cryptonas-archive/live-cd-v0.3/templatewriter.py

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#!/usr/bin/env python
import os, re, sys
try:
import feedparser
except ImportError:
sys.stderr.write("Could not load python module 'feedparser'!\n")
sys.stderr.write("Maybe you should run 'apt-get install python-feedparser.\n")
sys.exit(1)
class TemplateWriter:
templatefile = "template.tmpl"
tmpldir = "placeholder"
contentdir = "content"
tmplfileext = ".tmpl"
outfileext = ".html"
output_directory = "html"
max_rss_items = 5
## regular expressions of not-wanted file/directory names
## for now: no svn, no vi-swap files, no backup files
ignore_items = [ r'\.svn', r'\.swp$', r'~$' ]
def __init__(self):
self.placeholder = self.__get_placeholder_dict()
self.template = open(self.templatefile).read()
def get_sorted(self, flist):
result = flist[:]
result.sort()
return result
def get_filtered(self, flist):
result = []
for item in flist:
found = False
for expression in self.ignore_items:
if re.search(expression, item):
found = True
continue
if not found:
result.append(item)
return result
def __get_placeholder_dict(self):
"""returns the common dictionary for all files - except for the 'entries'
"""
placeholder = {}
for tmpl in self.get_sorted(self.get_filtered(os.listdir(self.tmpldir))):
tmplfile = os.path.join(self.tmpldir, tmpl)
if not os.path.isfile(tmplfile):
print " str.repl: cancelling %s - not a file" % tmplfile
else:
placeholder[tmpl] = file(tmplfile).read().strip()
placeholder["rss_content"] = self.get_rss_info()
return placeholder
def get_entries(self, html_name):
"""reads all files in the given directory sorted into a string
"""
entries = ""
for entry in self.get_sorted(self.get_filtered(os.listdir(
os.path.join(self.contentdir, html_name)))):
entries += file(os.path.join(self.contentdir, html_name, entry)).read()
return entries
def build_sites_from_template(self):
print "Building:"
for html in self.get_sorted(self.get_filtered(os.listdir(self.contentdir))):
print " %s%s" % (html, self.outfileext)
self.placeholder["entries"] = self.get_entries(html)
## start with the content of the template
text = self.template
## repeat substitution for five times - for recursive stuff
text = text % self.placeholder
text = text % self.placeholder
text = text % self.placeholder
text = text % self.placeholder
text = text % self.placeholder
## write the result
outfile = open(os.path.join(self.output_directory, html + self.outfileext), "w")
outfile.write(text)
outfile.close()
return
def get_rss_info(self):
"""retrieve rss feed from http://devel.cryptobox.org/timeline"""
timeline_url = r'http://devel.cryptobox.org/timeline?max=%d&wiki=off&ticket=on&changeset=on&milestone=off&format=rss' % self.max_rss_items
entry_html = r'<li><p class="date">%(updated)s</p><a href="%(link)s">%(title)s</a>%(summary)s</li>'
feed = feedparser.parse(timeline_url)
if feed["entries"]:
html_items = [ entry_html % e for e in feed["entries"] ]
return '<ul class="recent_changes">\n' + '\n'.join(html_items) + '</ul>\n'
else:
return '<p>The latest development changes are temporarily unavailable. Sorry!</p>'
if __name__ == "__main__":
TemplateWriter().build_sites_from_template()