author | Tero Marttila <terom@fixme.fi> |
Sun, 08 Feb 2009 03:08:25 +0200 | |
changeset 44 | d09cc8b3709c |
parent 34 | 09196d5b2a39 |
permissions | -rw-r--r-- |
16
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
1 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
2 |
Implements the tree containing pages and their metadata |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
3 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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4 |
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31
107062ebb6f9
bloat code with even more layers of indirection, split off the filesystem-based stuff into a separate lib.filesystem package (next, move it to sites/www.qmsk.net)
Tero Marttila <terom@fixme.fi>
parents:
17
diff
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5 |
from lib import tree_parse |
16
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
6 |
|
17
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
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diff
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7 |
class PageTreeError (Exception) : |
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
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diff
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|
8 |
""" |
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
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|
9 |
Error parsing/loading the page tree |
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
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10 |
""" |
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
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11 |
|
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
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diff
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12 |
pass |
16
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
13 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
14 |
class PageInfo (object) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
15 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
16 |
Contains metainformation about a page |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
17 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
18 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
19 |
def __init__ (self, parent, name, title, children=None) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
20 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
21 |
Initialize, children defaults to empty list |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
22 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
23 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
24 |
# store |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
25 |
self.parent = parent |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
26 |
self.name = name |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
27 |
self.title = title |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
28 |
self.children = children if children else [] |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
29 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
30 |
# no url get |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
31 |
self._url = None |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
32 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
33 |
def set_parent (self, parent) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
34 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
35 |
Set a parent where non was set before |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
36 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
37 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
38 |
assert self.parent is None |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
39 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
40 |
self.parent = parent |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
41 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
42 |
def add_child (self, child) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
43 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
44 |
Add a PageInfo child |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
45 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
46 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
47 |
self.children.append(child) |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
48 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
49 |
def get_child (self, name) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
50 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
51 |
Look up a child by name, returning None if not found |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
52 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
53 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
54 |
return dict((c.name, c) for c in self.children).get(name) |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
55 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
56 |
def get_ancestry (self) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
57 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
58 |
Returns a list of this page's parents and the page itself, but not root |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
59 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
60 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
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|
61 |
# collect in reverse order |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
62 |
ancestry = [] |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
63 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
64 |
# starting from self |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
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|
65 |
item = self |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
66 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
67 |
# add all items, but not root |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
68 |
while item and item.parent : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
69 |
ancestry.append(item) |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
70 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
71 |
item = item.parent |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
72 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
73 |
# reverse |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
74 |
ancestry.reverse() |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
75 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
76 |
# done |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
77 |
return ancestry |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
78 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
79 |
@property |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
80 |
def url (self) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
81 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
82 |
Build this page's URL |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
83 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
84 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
85 |
# cached? |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
86 |
if self._url : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
87 |
return self._url |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
88 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
89 |
segments = [item.name for item in self.get_ancestry()] |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
90 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
91 |
# add empty segment if dir |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
92 |
if self.children : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
93 |
segments.append('') |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
94 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
95 |
# join |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
96 |
url = '/'.join(segments) |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
97 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
98 |
# cache |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
99 |
self._url = url |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
100 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
101 |
# done |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
102 |
return url |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
103 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
104 |
class PageTree (object) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
105 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
106 |
The tree of pages, rooted at .root. |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
107 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
108 |
Use load_page_tree to initialize the global page_tree instance, and then use that |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
109 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
110 |
|
31
107062ebb6f9
bloat code with even more layers of indirection, split off the filesystem-based stuff into a separate lib.filesystem package (next, move it to sites/www.qmsk.net)
Tero Marttila <terom@fixme.fi>
parents:
17
diff
changeset
|
111 |
def __init__ (self, path) : |
16
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
112 |
""" |
31
107062ebb6f9
bloat code with even more layers of indirection, split off the filesystem-based stuff into a separate lib.filesystem package (next, move it to sites/www.qmsk.net)
Tero Marttila <terom@fixme.fi>
parents:
17
diff
changeset
|
113 |
Loads the PageTree root from the given file |
16
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
114 |
""" |
31
107062ebb6f9
bloat code with even more layers of indirection, split off the filesystem-based stuff into a separate lib.filesystem package (next, move it to sites/www.qmsk.net)
Tero Marttila <terom@fixme.fi>
parents:
17
diff
changeset
|
115 |
|
107062ebb6f9
bloat code with even more layers of indirection, split off the filesystem-based stuff into a separate lib.filesystem package (next, move it to sites/www.qmsk.net)
Tero Marttila <terom@fixme.fi>
parents:
17
diff
changeset
|
116 |
# store |
107062ebb6f9
bloat code with even more layers of indirection, split off the filesystem-based stuff into a separate lib.filesystem package (next, move it to sites/www.qmsk.net)
Tero Marttila <terom@fixme.fi>
parents:
17
diff
changeset
|
117 |
self.path = path |
107062ebb6f9
bloat code with even more layers of indirection, split off the filesystem-based stuff into a separate lib.filesystem package (next, move it to sites/www.qmsk.net)
Tero Marttila <terom@fixme.fi>
parents:
17
diff
changeset
|
118 |
|
107062ebb6f9
bloat code with even more layers of indirection, split off the filesystem-based stuff into a separate lib.filesystem package (next, move it to sites/www.qmsk.net)
Tero Marttila <terom@fixme.fi>
parents:
17
diff
changeset
|
119 |
# load |
107062ebb6f9
bloat code with even more layers of indirection, split off the filesystem-based stuff into a separate lib.filesystem package (next, move it to sites/www.qmsk.net)
Tero Marttila <terom@fixme.fi>
parents:
17
diff
changeset
|
120 |
self._load(path) |
16
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
121 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
122 |
def _load (self, path) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
123 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
124 |
Processes the lines in the given file |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
125 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
126 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
127 |
# parse tree |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
128 |
tree = tree_parse.parse(path, ':') |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
129 |
|
17
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
130 |
if not tree : |
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
131 |
raise PageTreeError("No root node found") |
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
132 |
|
16
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
133 |
def _create_node (parent, item) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
134 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
135 |
Creates and returns a PageInfo from the given parent node and (line_number, line, children) tuple item |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
136 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
137 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
138 |
# unpack |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
139 |
line_number, line, children = item |
17
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
140 |
|
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
141 |
# parse line |
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
142 |
url = title = None |
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
143 |
|
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
144 |
try : |
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
145 |
url, title = line.split(':') |
16
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
146 |
|
17
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
147 |
except : |
b538e1f7011c
add some better error checking to the page_tree stuff
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
148 |
raise PageTreeError("Invalid line: %s:%d: %r" % (path, line_number, line)) |
16
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
149 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
150 |
# remove whitespace |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
151 |
url = url.strip() |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
152 |
title = title.strip() |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
153 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
154 |
# create PageInfo |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
155 |
node = PageInfo(parent, url, title) |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
156 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
157 |
# set node children |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
158 |
node.children = [ |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
159 |
_create_node(node, child_item) for child_item in children |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
160 |
] |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
161 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
162 |
# return |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
163 |
return node |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
164 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
165 |
# translate |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
166 |
self.root = _create_node(None, tree) |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
167 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
168 |
# *evil cackle* |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
169 |
self.root.children.insert(0, self.root) |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
170 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
171 |
def get_page (self, url) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
172 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
173 |
Lookup the given page URL, and return the matching PageInfo object, or None, if not found |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
174 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
175 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
176 |
# start from root |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
177 |
node = self.root |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
178 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
179 |
# traverse the object tree |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
180 |
for segment in url.split('/') : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
181 |
if segment : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
182 |
node = node.get_child(segment) |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
183 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
184 |
if not node : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
185 |
return None |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
186 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
187 |
# return |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
188 |
return node |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
189 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
190 |
def get_siblings (self, url) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
191 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
192 |
Get the list of siblings for the given url, including the given page itself |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
193 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
194 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
195 |
# look up the page itself |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
196 |
page = self.get_page(url) |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
197 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
198 |
# specialcase root/unknown node |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
199 |
if page and page.parent : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
200 |
return page.parent.children |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
201 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
202 |
else : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
203 |
return self.root.children |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
204 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
205 |
def dump (self) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
206 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
207 |
Returns a string representation of the tree |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
208 |
""" |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
209 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
210 |
def _print_node (indent, node) : |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
211 |
return '\n'.join('%s%s' % (' '*indent, line) for line in [ |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
212 |
"%-15s : %s" % (node.name, node.title) |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
213 |
] + [ |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
214 |
_print_node(indent + 4, child) for child in node.children if child != node |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
215 |
]) |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
216 |
|
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
217 |
return _print_node(0, self.root) |
4a40718c7b4b
better error handling of import errors in CGI, and split PageTree out from page.py into page_tree.py and tree_parse.py
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
218 |