author | Tero Marttila <terom@fixme.fi> |
Thu, 11 Jun 2009 21:40:39 +0300 | |
changeset 92 | eb50b4f7812d |
parent 85 | 7da934333469 |
child 93 | d3872a673fbe |
permissions | -rw-r--r-- |
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""" |
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Filesystem path handling |
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""" |
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import os, os.path, errno |
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import codecs, shutil |
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import itertools |
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from utils import lazy_load |
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class Node (object) : |
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""" |
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A filesystem object is basically just complicated representation of a path. |
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On the plus side, it has a parent node and can handle unicode/binary paths. |
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""" |
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# the binary name |
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fsname = None |
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# the unicode name |
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name = None |
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def decode_fsname (self, fsname) : |
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""" |
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Decode the given raw byte string representing a filesystem name into an user-readable unicode name. |
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XXX: currently just hardcoded as utf-8 |
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>>> Node(None, 'foo').decode_fsname('\xa5\xa6') |
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u'\\ufffd\\ufffd' |
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""" |
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return fsname.decode('utf-8', 'replace') |
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def encode_name (self, name) : |
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""" |
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Returns a suitable fsname for the given unicode name or strict ASCII str |
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XXX: currently just hardcoded as utf-8 |
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>>> Node(None, 'foo').encode_name(u'ab') |
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'ab' |
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""" |
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# this should fail for non-ASCII str |
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return name.encode('utf-8') |
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def __init__ (self, parent, fsname=None, name=None, config=None) : |
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""" |
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Initialize the node with a parent and both name/fsname. |
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If not given, fsname is encoded from name, or name decoded from fsname, using encode/decode_name. |
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If parent is given, but both fsname and name are None, then this node will be cloned from the parent. |
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>>> Node(Root('/'), 'foo') |
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Node('/', 'foo') |
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>>> Node(Node(Root('/'), 'bar')) |
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Node('/', 'bar') |
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>>> Node(None, fsname='foo\xa5').name |
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u'foo\\ufffd' |
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>>> Node(None, name=u'foo').fsname |
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'foo' |
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""" |
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# fsname must not be an unicode string |
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assert not fsname or isinstance(fsname, str) |
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if parent and not fsname and not name : |
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# no name given -> we're the same as parent |
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self.parent, self.config, self.fsname, self.name = parent.parent, parent.config, parent.fsname, parent.name |
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else : |
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# store |
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self.parent = parent |
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# config, either as given, or copy from parent |
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if config : |
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self.config = config |
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elif parent : |
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self.config = parent.config |
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else : |
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# XXX: no config |
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self.config = None |
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# fsname |
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if fsname : |
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self.fsname = fsname |
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else : |
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self.fsname = self.encode_name(name) |
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# name |
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if name : |
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self.name = unicode(name) |
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else : |
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self.name = self.decode_fsname(fsname) |
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def subnode (self, name) : |
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""" |
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Returns a Node object representing the given name behind this node. |
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The name should either be a plain ASCII string or unicode object. |
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>>> Node(Root('/'), 'foo').subnode('bar') |
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Node('/foo', 'bar') |
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""" |
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return Node(self, name=name) |
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def nodepath (self) : |
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""" |
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Returns the path of nodes from this node to the root node, inclusive |
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118 |
>>> list(Node(Root('/'), 'foo').subnode('bar').nodepath()) |
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[Root('/'), Node('/', 'foo'), Node('/foo', 'bar')] |
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120 |
""" |
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121 |
|
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# recursive generator |
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123 |
for node in self.parent.nodepath() : |
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yield node |
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125 |
|
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yield self |
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|
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128 |
@lazy_load |
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def path (self) : |
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""" |
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131 |
Return the machine-readable root-path for this node |
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132 |
|
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133 |
>>> Node(Root('/'), 'foo').subnode('bar').path |
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'/foo/bar' |
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135 |
>>> Node(Root('/'), name=u'foo').path |
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136 |
'/foo' |
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137 |
>>> Node(Root('/'), fsname='\\x01\\x02').path |
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'/\\x01\\x02' |
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139 |
""" |
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140 |
|
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141 |
# build using parent path and our fsname |
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# XXX: rewrite using nodepath? |
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return os.path.join(self.parent.path, self.fsname) |
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144 |
|
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145 |
@lazy_load |
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146 |
def unicodepath (self) : |
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""" |
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148 |
Return the human-readable root-path for this node |
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149 |
|
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150 |
>>> Node(Root('/'), 'foo').subnode('bar').unicodepath |
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151 |
u'/foo/bar' |
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152 |
>>> Node(Root('/'), name=u'foo').unicodepath |
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153 |
u'/foo' |
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154 |
>>> Node(Root('/'), fsname='\\x01\\x02').unicodepath |
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155 |
u'/??' |
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156 |
""" |
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157 |
|
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158 |
# build using parent unicodepath and our name |
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159 |
# XXX: rewrte using nodepath? |
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160 |
return os.path.join(self.parent.path, self.name) |
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161 |
|
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162 |
def path_segments (self, unicode=True) : |
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163 |
""" |
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164 |
Return a series of single-level names describing the path from the root to this node. |
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165 |
|
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166 |
If `unicode` is given, then the returned items will be the unicode names, otherwise, the binary names. |
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167 |
|
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168 |
>>> list(Node(Root('/'), 'foo').subnode('bar').path_segments()) |
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169 |
[u'/', u'foo', u'bar'] |
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170 |
>>> list(Node(Root('/'), 'foo').subnode('bar').path_segments(unicode=False)) |
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171 |
['/', 'foo', 'bar'] |
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172 |
""" |
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173 |
|
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174 |
# iter |
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175 |
for segment in self.parent.path_segments(unicode=unicode) : |
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176 |
yield segment |
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177 |
|
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178 |
yield self.name if unicode else self.fsname |
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179 |
|
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180 |
def exists (self) : |
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181 |
""" |
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182 |
Tests if this node exists on the physical filesystem |
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183 |
|
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184 |
>>> Node(Root('.'), '.').exists() |
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185 |
True |
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186 |
>>> Node(Root('/'), 'nonexistant').exists() |
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187 |
False |
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188 |
""" |
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189 |
|
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190 |
return os.path.exists(self.path) |
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191 |
|
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192 |
def is_dir (self) : |
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193 |
""" |
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194 |
Tests if this node represents a directory on the physical filesystem |
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195 |
|
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196 |
>>> Node(Root('/'), '.').is_dir() |
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197 |
True |
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198 |
>>> Root('/').subnode('dev').subnode('null').is_dir() |
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199 |
False |
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200 |
""" |
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201 |
|
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202 |
return os.path.isdir(self.path) |
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203 |
|
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204 |
def is_file (self) : |
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205 |
""" |
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206 |
Tests if this node represents a normal file on the physical filesystem |
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207 |
|
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208 |
>>> Node(Root('/'), '.').is_file() |
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209 |
False |
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>>> Root('/').subnode('dev').subnode('null').is_file() |
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211 |
False |
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212 |
""" |
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213 |
|
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214 |
return os.path.isfile(self.path) |
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|
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216 |
def test (self) : |
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217 |
""" |
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218 |
Tests that this node exists. Raises an error it not, otherwise, returns the node itself |
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219 |
""" |
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220 |
|
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221 |
if not self.exists() : |
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raise Exception("Filesystem node does not exist: %s" % self) |
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223 |
|
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224 |
return self |
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225 |
|
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226 |
def path_to (self, node) : |
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""" |
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228 |
Returns a relative path from this node to the given node |
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229 |
|
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230 |
XXX: doctests |
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231 |
""" |
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|
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# get real paths for both |
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from_path = list(self.nodepath()) |
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to_path = list(node.nodepath()) |
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pivot = None |
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237 |
|
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# reduce common prefix |
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while from_path and to_path and from_path[0] == to_path[0] : |
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from_path.pop(0) |
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pivot = to_path.pop(0) |
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242 |
|
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# full path |
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path = itertools.chain(reversed(from_path), [pivot] if pivot else (), to_path) |
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|
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# build path |
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return Path(*path) |
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|
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def path_from (self, node) : |
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""" |
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Returns a relative path to this node from the given node. |
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|
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This is the same as path_to, but just reversed. |
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""" |
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|
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return node.path_to(self) |
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|
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def stat (self, soft=False) : |
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""" |
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Returns the os.stat struct for this node. |
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261 |
|
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If `soft` is given, returns None if this node doesn't exist |
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|
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>>> Root('/').stat() is not None |
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True |
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266 |
>>> Root('/nonexistant').stat(soft=True) is None |
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True |
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268 |
""" |
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269 |
|
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try : |
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return os.stat(self.path) |
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|
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except OSError, e : |
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# trap ENOENT for soft |
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if soft and e.errno == errno.ENOENT : |
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276 |
return None |
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277 |
|
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278 |
else : |
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raise |
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|
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def __str__ (self) : |
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return self.path |
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283 |
|
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def __unicode__ (self) : |
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return self.unicodepath |
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286 |
|
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def __repr__ (self) : |
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288 |
""" |
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Returns a str representing this dir |
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290 |
""" |
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291 |
|
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return "Node(%r, %r)" % (self.parent.path, self.fsname) |
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293 |
|
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294 |
def __eq__ (self, other) : |
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295 |
""" |
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296 |
Compare for equality |
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|
297 |
""" |
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|
298 |
|
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299 |
return isinstance(other, Node) and self.name == other.name and self.parent == other.parent |
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|
300 |
|
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301 |
def __cmp__ (self, other) : |
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302 |
""" |
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303 |
Arbitrary comparisons between Nodes |
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|
304 |
|
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|
305 |
>>> cmp(Node(None, 'foo'), Node(None, 'foo')) |
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|
306 |
0 |
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|
307 |
>>> cmp(Node(None, 'aaa'), Node(None, 'bbb')) |
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|
308 |
-1 |
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|
309 |
>>> cmp(Node(None, 'bbb'), Node(None, 'aaa')) |
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|
310 |
1 |
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|
311 |
|
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|
312 |
>>> cmp(Node(Node(None, 'a'), 'aa'), Node(Node(None, 'a'), 'aa')) |
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|
313 |
0 |
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314 |
>>> cmp(Node(Node(None, 'a'), 'aa'), Node(Node(None, 'a'), 'ab')) |
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|
315 |
-1 |
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316 |
>>> cmp(Node(Node(None, 'a'), 'ab'), Node(Node(None, 'a'), 'aa')) |
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317 |
1 |
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318 |
|
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319 |
>>> cmp(Node(Node(None, 'a'), 'zz'), Node(Node(None, 'b'), 'aa')) |
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320 |
-1 |
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321 |
>>> cmp(Node(Node(None, 'a'), 'aa'), Node(Node(None, 'b'), 'zz')) |
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322 |
-1 |
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323 |
>>> cmp(Node(Node(None, 'z'), 'aa'), Node(Node(None, 'a'), 'zz')) |
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324 |
1 |
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325 |
""" |
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326 |
|
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327 |
if other is None : |
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328 |
# arbitrary... |
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329 |
return 1 |
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|
330 |
|
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331 |
else : |
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332 |
return cmp((self.parent, self.name), (other.parent if self.parent else None, other.name)) |
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333 |
|
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334 |
class Path (object) : |
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335 |
""" |
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336 |
A Path is a sequence of Nodes that form a path through a Node tree rooted at some Root. |
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|
337 |
|
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338 |
Each node must either be the parent or the child of the following node. |
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|
339 |
|
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|
340 |
The first and last nodes may be Files, but all other objects must be Directories. |
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341 |
""" |
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342 |
|
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343 |
def __init__ (self, *nodes) : |
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344 |
""" |
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345 |
Initialize with the given node path. |
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346 |
|
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347 |
The node path must not be empty. |
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348 |
""" |
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|
349 |
|
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|
350 |
self.nodes = nodes |
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|
351 |
|
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352 |
def subpath (self, *nodes) : |
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353 |
""" |
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354 |
Returns a new path with the given node(s) appended |
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355 |
""" |
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|
356 |
|
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|
357 |
return Path(*itertools.chain(self.nodes, nodes)) |
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|
358 |
|
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|
359 |
def path_segments (self, unicode=True) : |
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360 |
""" |
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361 |
Yields a series of physical path segments for this path. |
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|
362 |
|
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363 |
File -> Directory : |
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|
364 |
file.parent == dir -> nothing |
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|
365 |
|
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366 |
Directory -> Directory : |
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|
367 |
dir_1.parent == dir_2 -> '..' |
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368 |
dir_1 == dir_2.parent -> dir_2.name |
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|
369 |
|
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|
370 |
Directory -> File : |
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|
371 |
file.parent == dir -> file.name |
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|
372 |
|
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373 |
>>> root = Root('root'); Path(root, root.subfile('foo')) |
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374 |
Path('foo') |
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375 |
>>> root = Root('root'); Path(root, root.subdir('foo'), root.subdir('foo').subfile('bar')) |
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376 |
Path('foo', 'bar') |
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|
377 |
>>> root = Root('root'); Path(root.subfile('foo'), root) |
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|
378 |
Path('.') |
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|
379 |
>>> root = Root('root'); Path(root.subfile('foo'), root, root.subfile('bar')) |
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|
380 |
Path('bar') |
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|
381 |
>>> root = Root('root'); Path(root.subfile('foo')) |
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|
382 |
Path('foo') |
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383 |
""" |
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|
384 |
|
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|
385 |
# XXX: this logic should be implemented as methods in Node |
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|
386 |
|
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|
387 |
prev = prev_last = None |
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|
388 |
|
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|
389 |
# output directory components |
60
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|
390 |
for node in self.nodes : |
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|
391 |
if not prev : |
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|
392 |
# ignore the first item for now |
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|
393 |
pass |
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|
394 |
|
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|
395 |
elif isinstance(prev, File) : |
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|
396 |
# going from a file to its dir doesn't require anything |
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|
397 |
assert isinstance(node, Directory) and prev.parent == node |
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|
398 |
|
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|
399 |
elif isinstance(node, File) : |
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|
400 |
# final target, must come from a directory |
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|
401 |
assert node is self.nodes[-1] and (not prev or (isinstance(prev, Directory) and node.parent == prev)) |
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|
402 |
|
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|
403 |
elif prev.parent == node : |
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|
404 |
# going from a dir into the dir above it |
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|
405 |
yield '..' |
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changeset
|
406 |
|
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|
407 |
elif node.parent == prev : |
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|
408 |
# going from a dir into a dir underneath it |
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|
409 |
yield node.name if unicode else node.fsname |
60
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|
410 |
|
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|
411 |
else : |
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|
412 |
raise Exception("invalid path: %r" % (self.nodes, )) |
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|
413 |
|
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|
414 |
# chained together |
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|
415 |
prev_last = prev |
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|
416 |
prev = node |
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|
417 |
|
79
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|
418 |
# output final file/lone dir component |
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|
419 |
if isinstance(node, File) : |
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|
420 |
# the last/only node is the final file target and must *always* be output |
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|
421 |
yield node.name if unicode else node.fsname |
60
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|
422 |
|
79
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|
423 |
elif isinstance(node, Directory) and (prev_last is None or isinstance(prev_last, File)) : |
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|
424 |
assert prev_last.parent == node |
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changeset
|
425 |
|
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|
426 |
# going from a file into it's own directory is a direct reference |
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|
427 |
yield '.' |
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changeset
|
428 |
|
60
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|
429 |
def __iter__ (self) : |
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|
430 |
""" |
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|
431 |
Iterate over the nodes |
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|
432 |
""" |
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changeset
|
433 |
|
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|
434 |
return iter(self.nodes) |
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|
435 |
|
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|
436 |
def __unicode__ (self) : |
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|
437 |
""" |
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|
438 |
Returns the unicode human-readable path |
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|
439 |
""" |
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changeset
|
440 |
|
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changeset
|
441 |
return os.path.join(*self.path_segments(unicode=True)) |
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|
442 |
|
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|
443 |
def __str__ (self) : |
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|
444 |
""" |
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changeset
|
445 |
Returns the binary machine-readable path |
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|
446 |
""" |
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changeset
|
447 |
|
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changeset
|
448 |
return os.path.join(*self.path_segments(unicode=False)) |
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changeset
|
449 |
|
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|
450 |
def __repr__ (self) : |
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|
451 |
return "Path(%s)" % ', '.join(repr(segment) for segment in self.path_segments(unicode=False)) |
51
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changeset
|
452 |
|
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|
453 |
class File (Node) : |
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changeset
|
454 |
""" |
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|
455 |
A file. Simple, eh? |
0f39cb5e4b11
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parents:
diff
changeset
|
456 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
457 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
458 |
@property |
0f39cb5e4b11
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parents:
diff
changeset
|
459 |
def basename (self) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
460 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
461 |
Returns the "base" part of this file's name, i.e. the filename without the extension |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
462 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
463 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
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parents:
diff
changeset
|
464 |
basename, _ = os.path.splitext(self.name) |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
465 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
466 |
return basename |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
467 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
468 |
@property |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
469 |
def fileext (self) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
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changeset
|
470 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
471 |
Returns the file extension part of the file's name, without any leading dot |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
472 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
473 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
474 |
_, fileext = os.path.splitext(self.name) |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
475 |
|
77
2a53c5ade434
misc. fixes, it runs now, but HTML output is corrupt (no flattening)
Tero Marttila <terom@fixme.fi>
parents:
76
diff
changeset
|
476 |
# strip leading . |
2a53c5ade434
misc. fixes, it runs now, but HTML output is corrupt (no flattening)
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parents:
76
diff
changeset
|
477 |
return fileext[1:] |
51
0f39cb5e4b11
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Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
478 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
479 |
def matchext (self, ext_list) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
480 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
481 |
Tests if this file's extension is part of the recognized list of extensions |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
482 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
483 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
484 |
return (self.fileext.lower() in ext_list) |
55
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
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diff
changeset
|
485 |
|
60
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
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diff
changeset
|
486 |
def test (self) : |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
487 |
""" |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
488 |
Tests that this file exists as a file. Raises an error it not, otherwise, returns itself |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
489 |
""" |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
490 |
|
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
491 |
if not self.is_file() : |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
492 |
raise Exception("File does not exist: %s" % self) |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
493 |
|
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
494 |
return self |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
495 |
|
55
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
496 |
def open (self, mode='r', encoding=None, errors=None, bufsize=None) : |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
497 |
""" |
60
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
498 |
Wrapper for open/codecs.open. |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
499 |
|
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
500 |
Raises an error if read_only mode is set and mode contains any of 'wa+' |
55
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
501 |
""" |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
502 |
|
60
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
503 |
if self.config.read_only and any((c in mode) for c in 'wa+') : |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
504 |
raise Exception("Unable to open file for %s due to read_only mode: %s" % (mode, self)) |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
505 |
|
55
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
506 |
if encoding : |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
507 |
return codecs.open(self.path, mode, encoding, errors, bufsize) |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
508 |
|
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
509 |
else : |
77
2a53c5ade434
misc. fixes, it runs now, but HTML output is corrupt (no flattening)
Tero Marttila <terom@fixme.fi>
parents:
76
diff
changeset
|
510 |
return open(self.path, mode, *(arg for arg in (bufsize, ) if arg is not None)) |
51
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
511 |
|
77
2a53c5ade434
misc. fixes, it runs now, but HTML output is corrupt (no flattening)
Tero Marttila <terom@fixme.fi>
parents:
76
diff
changeset
|
512 |
def open_write (self, *args, **kwargs) : |
68
49388e9fd5fa
add open_write method for filesystem.File
Tero Marttila <terom@fixme.fi>
parents:
60
diff
changeset
|
513 |
""" |
49388e9fd5fa
add open_write method for filesystem.File
Tero Marttila <terom@fixme.fi>
parents:
60
diff
changeset
|
514 |
Open for write using open('w'). |
49388e9fd5fa
add open_write method for filesystem.File
Tero Marttila <terom@fixme.fi>
parents:
60
diff
changeset
|
515 |
""" |
49388e9fd5fa
add open_write method for filesystem.File
Tero Marttila <terom@fixme.fi>
parents:
60
diff
changeset
|
516 |
|
77
2a53c5ade434
misc. fixes, it runs now, but HTML output is corrupt (no flattening)
Tero Marttila <terom@fixme.fi>
parents:
76
diff
changeset
|
517 |
return self.open('w', *args, **kwargs) |
68
49388e9fd5fa
add open_write method for filesystem.File
Tero Marttila <terom@fixme.fi>
parents:
60
diff
changeset
|
518 |
|
60
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
519 |
def copy_from (self, file) : |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
520 |
""" |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
521 |
Replace this file with a copy of the given file with default permissions. |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
522 |
|
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
523 |
Raises an error if read_only mode is set. |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
524 |
|
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
525 |
XXX: accept mode |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
526 |
""" |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
527 |
|
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
528 |
if self.config.read_only : |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
529 |
raise Exception("Not copying file as read_only mode is set: %s -> %s" % (file, self)) |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
530 |
|
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
531 |
# perform the copy |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
532 |
shutil.copyfile(file.path, self.path) |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
533 |
|
85
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
534 |
def newer_than (self, file) : |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
535 |
""" |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
536 |
Tests if this file is newer than the given file. |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
537 |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
538 |
Returns True if it is, False if it isn't, or None if either file doesn't exist. |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
539 |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
540 |
XXX: stat cache? |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
541 |
""" |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
542 |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
543 |
stat_self = self.stat(soft=True) |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
544 |
stat_file = file.stat(soft=True) |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
545 |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
546 |
if stat_self and stat_file : |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
547 |
return stat_self.st_mtime > stat_file.st_mtime |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
548 |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
549 |
else : |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
550 |
return None |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
551 |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
552 |
def older_than (self, file) : |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
553 |
""" |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
554 |
Tests if this file is older than the given file. |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
555 |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
556 |
Opposite of newer_than. |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
557 |
""" |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
558 |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
559 |
return file.newer_than(self) |
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
560 |
|
51
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
561 |
class Directory (Node) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
562 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
563 |
A directory is a node that contains other nodes. |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
564 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
565 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
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changeset
|
566 |
# a list of (test_func, node_type) tuples for use by children() to build subnodes with |
0f39cb5e4b11
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parents:
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changeset
|
567 |
NODE_TYPES = None |
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parents:
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changeset
|
568 |
|
55
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|
569 |
def subdir (self, name, create=False) : |
51
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changeset
|
570 |
""" |
55
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|
571 |
Returns a Directory object representing the name underneath this dir. |
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changeset
|
572 |
|
60
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diff
changeset
|
573 |
If the create option is given, the directory will be created if it does not exist. Note that this will |
406da27a4be2
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changeset
|
574 |
raise an error if read_only mode is set |
51
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changeset
|
575 |
""" |
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changeset
|
576 |
|
60
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changeset
|
577 |
subdir = Directory(self, name=name) |
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changeset
|
578 |
|
60
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diff
changeset
|
579 |
if create and not subdir.is_dir() : |
406da27a4be2
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parents:
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diff
changeset
|
580 |
# create it! |
406da27a4be2
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diff
changeset
|
581 |
subdir.mkdir() |
406da27a4be2
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Tero Marttila <terom@fixme.fi>
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diff
changeset
|
582 |
|
77
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diff
changeset
|
583 |
return subdir |
51
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changeset
|
584 |
|
68
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diff
changeset
|
585 |
def test_subdir (self, name, create=False) : |
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changeset
|
586 |
""" |
49388e9fd5fa
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diff
changeset
|
587 |
Test for the presence of a subdir with the given name, and possibly return it, or None. |
49388e9fd5fa
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diff
changeset
|
588 |
|
49388e9fd5fa
add open_write method for filesystem.File
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parents:
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diff
changeset
|
589 |
Returns a (exists, created, dir) tuple. |
49388e9fd5fa
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diff
changeset
|
590 |
|
49388e9fd5fa
add open_write method for filesystem.File
Tero Marttila <terom@fixme.fi>
parents:
60
diff
changeset
|
591 |
XXX: ugly, not used |
49388e9fd5fa
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Tero Marttila <terom@fixme.fi>
parents:
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diff
changeset
|
592 |
""" |
49388e9fd5fa
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Tero Marttila <terom@fixme.fi>
parents:
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diff
changeset
|
593 |
|
49388e9fd5fa
add open_write method for filesystem.File
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parents:
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diff
changeset
|
594 |
subdir = Directory(self, name=name) |
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diff
changeset
|
595 |
|
49388e9fd5fa
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Tero Marttila <terom@fixme.fi>
parents:
60
diff
changeset
|
596 |
# already exists? |
49388e9fd5fa
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Tero Marttila <terom@fixme.fi>
parents:
60
diff
changeset
|
597 |
if subdir.is_dir() : |
49388e9fd5fa
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Tero Marttila <terom@fixme.fi>
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diff
changeset
|
598 |
if create : |
49388e9fd5fa
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parents:
60
diff
changeset
|
599 |
# create it! |
49388e9fd5fa
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Tero Marttila <terom@fixme.fi>
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diff
changeset
|
600 |
subdir.mkdir() |
49388e9fd5fa
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diff
changeset
|
601 |
|
49388e9fd5fa
add open_write method for filesystem.File
Tero Marttila <terom@fixme.fi>
parents:
60
diff
changeset
|
602 |
# didn't exist, did create |
49388e9fd5fa
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diff
changeset
|
603 |
return True, True, subdir |
49388e9fd5fa
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parents:
60
diff
changeset
|
604 |
|
49388e9fd5fa
add open_write method for filesystem.File
Tero Marttila <terom@fixme.fi>
parents:
60
diff
changeset
|
605 |
else : |
49388e9fd5fa
add open_write method for filesystem.File
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parents:
60
diff
changeset
|
606 |
# doesn't exist, don't create |
49388e9fd5fa
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diff
changeset
|
607 |
return False, False, subdir |
49388e9fd5fa
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60
diff
changeset
|
608 |
|
49388e9fd5fa
add open_write method for filesystem.File
Tero Marttila <terom@fixme.fi>
parents:
60
diff
changeset
|
609 |
else : |
49388e9fd5fa
add open_write method for filesystem.File
Tero Marttila <terom@fixme.fi>
parents:
60
diff
changeset
|
610 |
# already existing |
49388e9fd5fa
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Tero Marttila <terom@fixme.fi>
parents:
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diff
changeset
|
611 |
return True, False, subdir |
49388e9fd5fa
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diff
changeset
|
612 |
|
49388e9fd5fa
add open_write method for filesystem.File
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parents:
60
diff
changeset
|
613 |
|
51
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parents:
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changeset
|
614 |
def subfile (self, name) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
615 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
616 |
Returns a File object representing the name underneath this dir |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
617 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
618 |
|
77
2a53c5ade434
misc. fixes, it runs now, but HTML output is corrupt (no flattening)
Tero Marttila <terom@fixme.fi>
parents:
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diff
changeset
|
619 |
return File(self, name=name) |
51
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parents:
diff
changeset
|
620 |
|
60
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
621 |
def test (self) : |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
622 |
""" |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
623 |
Tests that this dir exists as a dir. Raises an error it not, otherwise, returns itself |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
624 |
""" |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
625 |
|
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
626 |
if not self.is_dir() : |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
627 |
raise Exception("Directory does not exist: %s" % self) |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
628 |
|
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
629 |
return self |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
630 |
|
55
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
631 |
def mkdir (self) : |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
632 |
""" |
60
406da27a4be2
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Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
633 |
Create this directory with default permissions. |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
634 |
|
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
635 |
This will fail if read_only mode is set |
55
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
636 |
|
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
637 |
XXX: mode argument |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
638 |
""" |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
639 |
|
60
406da27a4be2
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Tero Marttila <terom@fixme.fi>
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55
diff
changeset
|
640 |
if self.config.read_only : |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
641 |
# forbidden |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
642 |
raise Exception("Unable to create dir due to read_only mode: %s" % self) |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
643 |
|
55
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
644 |
# do it |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
645 |
os.mkdir(self.path) |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
646 |
|
51
0f39cb5e4b11
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Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
647 |
def listdir (self, skip_dotfiles=True) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
648 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
649 |
Yield a series of raw fsnames for nodes in this dir |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
650 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
651 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
652 |
# expressed |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
653 |
return (fsname for fsname in os.listdir(self.path) if not (skip_dotfiles and fsname.startswith('.'))) |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
654 |
|
55
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
655 |
def subnodes (self, skip_dotfiles=True, sort=True) : |
51
0f39cb5e4b11
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Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
656 |
""" |
55
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
657 |
Yield a series of Nodes contained in this dir. |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
658 |
|
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
659 |
If skip_dotfiles is given, nodes that begin with a . are omitted. |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
660 |
|
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
661 |
If `sort` is given, the returned nodes will be in sorted order. |
51
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
662 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
663 |
|
55
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
664 |
iter = (Node(self, fsname) for fsname in self.listdir(skip_dotfiles)) |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
665 |
|
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
666 |
if sort : |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
667 |
return sorted(iter) |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
668 |
|
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
669 |
else : |
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
670 |
return iter |
51
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
671 |
|
79
e5400304a3d3
fix filesystem.Path.path_segments and add some doctests
Tero Marttila <terom@fixme.fi>
parents:
77
diff
changeset
|
672 |
__iter__ = subnodes |
51
0f39cb5e4b11
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Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
673 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
674 |
@property |
0f39cb5e4b11
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Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
675 |
def root_path (self) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
676 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
677 |
Build and return a relative path to the root of this dir tree |
55
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
678 |
|
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
679 |
XXX: move to node |
51
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
680 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
681 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
682 |
# build using parent root_path |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
683 |
return os.path.join('..', self.parent.root_path) |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
684 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
685 |
def children (self) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
686 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
687 |
Yield a series of Node subclasses representing the items in this dir. |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
688 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
689 |
This uses self.NODE_TYPES to figure out what kind of sub-node object to build. This should be a list of |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
690 |
(test_func, node_type) |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
691 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
692 |
tuples, of which the first is a function that takes a Node as it's sole argument, and returns a boolean. |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
693 |
For the first test_func which returns True, a Node-subclass object is constructed using node_type.from_node. |
55
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
694 |
|
77abe8dca695
further work on filesystem.py (path_from proto, stat, open, subdir-create, mkdir, subnodes
Tero Marttila <terom@fixme.fi>
parents:
51
diff
changeset
|
695 |
XXX: never used |
51
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
696 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
697 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
698 |
for node in self : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
699 |
# figure out what type to use |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
700 |
for test_func, node_type in self.NODE_TYPES : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
701 |
if test_func(node) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
702 |
# matches, build |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
703 |
yield node_type.from_node(node) |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
704 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
705 |
else : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
706 |
# unknown file type! |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
707 |
raise Exception("unrecongized type of file: %s" % node); |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
708 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
709 |
# assign default Directory.NODE_TYPES |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
710 |
Directory.NODE_TYPES = [ |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
711 |
(Node.is_dir, Directory), |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
712 |
(Node.is_file, File), |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
713 |
] |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
714 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
715 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
716 |
class Root (Directory) : |
0f39cb5e4b11
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Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
717 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
718 |
A special Directory that overrides the Node methods to anchor the recursion/etc at some 'real' filesystem path. |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
719 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
720 |
|
60
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
721 |
# XXX: config needs a default |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
722 |
def __init__ (self, fspath, config=None) : |
51
0f39cb5e4b11
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Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
723 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
724 |
Construct the directory tree root at the given 'real' path, which must be a raw str |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
725 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
726 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
727 |
# abuse Node's concept of a "name" a bit |
76 | 728 |
super(Root, self).__init__(None, fspath) |
729 |
||
730 |
# store our config |
|
731 |
self.config = config |
|
51
0f39cb5e4b11
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Tero Marttila <terom@fixme.fi>
parents:
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changeset
|
732 |
|
60
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
733 |
def nodepath (self) : |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
734 |
""" |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
735 |
Just return ourself |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
736 |
""" |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
737 |
|
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
738 |
return [self] |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
739 |
|
51
0f39cb5e4b11
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Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
740 |
@property |
0f39cb5e4b11
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Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
741 |
def path (self) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
742 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
743 |
Returns the raw path |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
744 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
745 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
746 |
return self.fsname |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
747 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
748 |
@property |
0f39cb5e4b11
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Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
749 |
def unicodepath (self) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
750 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
751 |
Returns the raw decoded path |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
752 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
753 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
754 |
return self.name |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
755 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
756 |
@property |
0f39cb5e4b11
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Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
757 |
def root_path (self) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
758 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
759 |
Returns an empty string representing this dir |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
760 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
761 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
762 |
return '' |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
763 |
|
60
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
764 |
def path_segments (self, unicode=True) : |
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
765 |
""" |
79
e5400304a3d3
fix filesystem.Path.path_segments and add some doctests
Tero Marttila <terom@fixme.fi>
parents:
77
diff
changeset
|
766 |
No path segments other than our own |
60
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
767 |
""" |
79
e5400304a3d3
fix filesystem.Path.path_segments and add some doctests
Tero Marttila <terom@fixme.fi>
parents:
77
diff
changeset
|
768 |
|
e5400304a3d3
fix filesystem.Path.path_segments and add some doctests
Tero Marttila <terom@fixme.fi>
parents:
77
diff
changeset
|
769 |
yield self.name if unicode else self.fsname |
60
406da27a4be2
do some filesystem.Path stuff, and read_only mode
Tero Marttila <terom@fixme.fi>
parents:
55
diff
changeset
|
770 |
|
51
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
771 |
def __repr__ (self) : |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
772 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
773 |
Override Node.__repr__ to not use self.parent.path |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
774 |
""" |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
775 |
|
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
776 |
return "Root(%r)" % self.fsname |
0f39cb5e4b11
start writing new structure, with config, render, filesystem modules
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
777 |
|
79
e5400304a3d3
fix filesystem.Path.path_segments and add some doctests
Tero Marttila <terom@fixme.fi>
parents:
77
diff
changeset
|
778 |
# testing |
e5400304a3d3
fix filesystem.Path.path_segments and add some doctests
Tero Marttila <terom@fixme.fi>
parents:
77
diff
changeset
|
779 |
if __name__ == '__main__' : |
e5400304a3d3
fix filesystem.Path.path_segments and add some doctests
Tero Marttila <terom@fixme.fi>
parents:
77
diff
changeset
|
780 |
import doctest |
e5400304a3d3
fix filesystem.Path.path_segments and add some doctests
Tero Marttila <terom@fixme.fi>
parents:
77
diff
changeset
|
781 |
|
e5400304a3d3
fix filesystem.Path.path_segments and add some doctests
Tero Marttila <terom@fixme.fi>
parents:
77
diff
changeset
|
782 |
doctest.testmod() |
e5400304a3d3
fix filesystem.Path.path_segments and add some doctests
Tero Marttila <terom@fixme.fi>
parents:
77
diff
changeset
|
783 |