author | Tero Marttila <terom@fixme.fi> |
Fri, 06 Feb 2009 20:46:43 +0200 | |
changeset 5 | 9ed4c7d2bdd2 |
parent 3 | 84a149e35cbe |
permissions | -rw-r--r-- |
2 | 1 |
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import os.path |
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def get_site_url (script_name) : |
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""" |
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Get the URL that points to the site root (i.e. where style.css is) using the given value of SCRIPT_NAME |
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/foo/bar/quux.py -> /foo |
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/~terom/qmsk.net/site/index.py -> /~terom/qmsk.net |
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84a149e35cbe
fix get_site_url to not return trailing slashes
Tero Marttila <terom@fixme.fi>
parents:
2
diff
changeset
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/ -> "" |
84a149e35cbe
fix get_site_url to not return trailing slashes
Tero Marttila <terom@fixme.fi>
parents:
2
diff
changeset
|
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None -> "" |
2 | 12 |
""" |
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if script_name : |
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3
84a149e35cbe
fix get_site_url to not return trailing slashes
Tero Marttila <terom@fixme.fi>
parents:
2
diff
changeset
|
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return os.path.dirname(os.path.dirname(script_name)).rstrip("/") |
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else : |
3
84a149e35cbe
fix get_site_url to not return trailing slashes
Tero Marttila <terom@fixme.fi>
parents:
2
diff
changeset
|
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return "" |
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def get_page_path (path_info, default) : |
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""" |
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Get the path of the page that was requested, or the given default is empty/invalid. |
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The path will never begin with an /. |
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/quux -> quux |
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/ -> <default> |
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None -> <default> |
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""" |
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if path_info : |
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# remove prefixed slashes |
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path_info = path_info.lstrip('/') |
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if path_info : |
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return path_info |
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else : |
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return default |
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class Request (object) : |
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# The name of the site itself, this can be used to reference e.g. style.css |
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site_url = None |
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# The page root url, for links to pages |
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page_root = None |
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# The full path to the requested page |
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page_path = None |
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def __init__ (self, environ, default_page='main') : |
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self.site_url = get_site_url(environ.get("SCRIPT_NAME")) |
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self.page_root = environ.get("SCRIPT_NAME") |
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self.page_path = get_page_path(environ.get("PATH_INFO"), default_page) |
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def page_name_parts (self) : |
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""" |
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Returns a list of page name components |
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""" |
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return self.page_path.split('/') |
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def page_name_prefixes (self) : |
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""" |
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Iterate over the components of the page name, yielding (prefix, suffix) pairs |
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""" |
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prefix = self.page_name_parts() |
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suffix = [] |
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while prefix : |
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yield ('/'.join(prefix), '/'.join(suffix)) |
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suffix.insert(0, prefix.pop(-1)) |
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