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# vim: tabstop=4 shiftwidth=4
"""
Walks through your blog root figuring out all the categories you have
and how many entries are in each category. It generates html with
this information and stores it in the $categorylinks variable which
you can use in your head or foot templates.
You can format the output by setting "category_begin", "category_item",
"category_end" and properties.
Categories exist in a hierarchy. "category_start" starts the category listing
and is only used at the very beginning. The "category_begin" property begins a
new category group and the "category_end" property ends that category group. The
"category_item" property is the template for each category item. Then
after all the categories are printed, "category_finish" ends the category
listing.
For example, the following properties will use <ul> to open a category, </ul>
to close a category and <li> for each item:
py["category_start"] = "<ul>"
py["category_begin"] = "<li><ul>"
py["category_item"] = r'<li><a href="%(base_url)s/%(category)sindex">%(category)s</a></li>'
py["category_end"] = "</li></ul>"
py["category_finish"] = "</ul>"
Another example, the following properties don't have a begin or an end but
instead use indentation for links and displays the number of entries in that
category:
py["category_start"] = ""
py["category_begin"] = ""
py["category_item"] = r'%(indent)s<a href="%(base_url)s/%(category)sindex">%(category)s</a> (%(count)d)<br />'
py["category_end"] = ""
py["category_finish"] = ""
There are no variables available in the category_begin or category_end templates.
Available variables in the category_item template:
base_url (this is set in your config.py file) string
fullcategory 'dev/pyblosxom/status/' string
category 'status/' string
flavour 'html' string
count 70 int
indent ' ' string
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify,
merge, publish, distribute, sublicense, and/or sell copies of the
Software, and to permit persons to whom the Software is furnished
to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
Copyright 2004, 2005 Will Guaraldi
"""
__author__ = "Will Guaraldi - willg at bluesock dot org"
__version__ = "$Id: pycategories.py,v 1.20.4.4 2005/06/14 15:36:45 willhelm Exp $"
__url__ = "http://pyblosxom.sourceforge.net/"
__description__ = "Builds a list of categories."
from Pyblosxom import tools
import re, os
DEFAULT_START = r'<ul class="categorygroup">'
DEFAULT_BEGIN = r'<li><ul class="categorygroup">'
DEFAULT_ITEM = r'<li><a href="%(base_url)s/%(fullcategory)sindex.%(flavour)s">%(category)s</a> (%(count)d)</li>'
DEFAULT_END = "</ul></li>"
DEFAULT_FINISH = "</ul>"
def verify_installation(request):
config = request.getConfiguration()
if not config.has_key("category_template"):
print "missing optional config property 'category_template' which allows "
print "you to specify how the category hierarchy is rendered. see"
print "the documentation at the top of the pycategories plugin code "
print "file for more details."
return 1
class PyblCategories:
def __init__(self, request):
self._request = request
self._categories = None
self.genCategories()
def __str__(self):
if self._categories == None:
self.genCategories()
return self._categories
def genCategories(self):
config = self._request.getConfiguration()
root = config["datadir"]
start_t = config.get("category_start", DEFAULT_START)
begin_t = config.get("category_begin", DEFAULT_BEGIN)
item_t = config.get("category_item", DEFAULT_ITEM)
end_t = config.get("category_end", DEFAULT_END)
finish_t = config.get("category_start", DEFAULT_FINISH)
self._baseurl = config.get("base_url", "")
form = self._request.getForm()
flavour = (form.has_key('flav') and form['flav'].value or
config.get('default_flavour', 'html'))
# build the list of all entries in the datadir
elist = tools.Walk(self._request, root)
# peel off the root dir from the list of entries
elist = [mem[len(root)+1:] for mem in elist]
# go through the list of entries and build a map that
# maintains a count of how many entries are in each
# category
elistmap = {}
for mem in elist:
mem = os.path.dirname(mem)
elistmap[mem] = 1 + elistmap.get(mem, 0)
self._elistmap = elistmap
# go through the elistmap keys (which is the list of
# categories) and for each piece in the key (i.e. the key
# could be "dev/pyblosxom/releases" and the pieces would
# be "dev", "pyblosxom", and "releases") we build keys
# for the category list map (i.e. "dev", "dev/pyblosxom",
# "dev/pyblosxom/releases")
clistmap = {}
for mem in elistmap.keys():
mem = mem.split(os.sep)
for index in range(len(mem)+1):
p = os.sep.join(mem[0:index])
clistmap[p] = 0
# then we take the category list from the clistmap and
# sort it alphabetically
clist = clistmap.keys()
clist.sort()
output = []
indent = 0
output.append(start_t)
# then we generate each item in the list
for item in clist:
itemlist = item.split(os.sep)
num = 0
for key in self._elistmap.keys():
if key.endswith(item) or key.endswith(item + os.sep):
num = num + self._elistmap[key]
if not item:
tab = ""
else:
tab = len(itemlist) * " "
if indent > len(itemlist):
for i in range(indent - len(itemlist)):
output.append(end_t)
elif indent < len(itemlist):
for i in range(len(itemlist) - indent):
output.append(begin_t)
# now we build the dict with the values for substitution
d = { "base_url": self._baseurl,
"fullcategory": item + "/",
"category": itemlist[-1] + "/",
"flavour": flavour,
"count": num,
"indent": tab }
# and we toss it in the thing
output.append(item_t % d)
indent = len(itemlist)
output.append(end_t * indent)
output.append(finish_t)
# then we join the list and that's the final string
self._categories = "\n".join(output)
def cb_prepare(args):
request = args["request"]
data = request.getData()
data["categorylinks"] = PyblCategories(request)
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