neue Verzeichnissstruktur
This commit is contained in:
Christian Berg
1
utils/management/commands/__init__.py
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1
utils/management/commands/__init__.py
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#!/usr/bin/python
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243
utils/management/commands/compresscss.py
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243
utils/management/commands/compresscss.py
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'''
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Created on 06.06.2011
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@author: christian
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'''
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import fnmatch
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from optparse import make_option
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import os
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import re
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from django.conf import settings
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from django.contrib.sites.models import Site
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from django.core.management.base import BaseCommand
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from django.utils.translation import ugettext as _
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class Command(BaseCommand):
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'''
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classdocs
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'''
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can_import_settings = True
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help = _("Reads raw CSS from stdin, and writes compressed CSS to stdout.")
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option_list = BaseCommand.option_list + (
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make_option('-w', '--wrap',
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type='int',
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default=None,
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metavar='N',
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help="Wrap output to approximately N chars per line."),
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)
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def remove_comments(self, css):
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"""Remove all CSS comment blocks."""
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iemac = False
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preserve = False
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comment_start = css.find("/*")
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while comment_start >= 0:
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# Preserve comments that look like `/*!...*/`.
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# Slicing is used to make sure we don"t get an IndexError.
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preserve = css[comment_start + 2:comment_start + 3] == "!"
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comment_end = css.find("*/", comment_start + 2)
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if comment_end < 0:
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if not preserve:
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css = css[:comment_start]
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break
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elif comment_end >= (comment_start + 2):
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if css[comment_end - 1] == "\\":
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# This is an IE Mac-specific comment; leave this one
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# and the following one alone.
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comment_start = comment_end + 2
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iemac = True
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elif iemac:
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comment_start = comment_end + 2
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iemac = False
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elif not preserve:
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css = css[:comment_start] + css[comment_end + 2:]
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else:
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comment_start = comment_end + 2
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comment_start = css.find("/*", comment_start)
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return css
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def remove_unnecessary_whitespace(self, css):
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"""Remove unnecessary whitespace characters."""
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def pseudoclasscolon(css):
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"""
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Prevents 'p :link' from becoming 'p:link'.
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Translates 'p :link' into 'p ___PSEUDOCLASSCOLON___link'; this is
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translated back again later.
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"""
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regex = re.compile(r"(^|\})(([^\{\:])+\:)+([^\{]*\{)")
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match = regex.search(css)
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while match:
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css = ''.join([
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css[:match.start()],
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match.group().replace(":", "___PSEUDOCLASSCOLON___"),
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css[match.end():]])
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match = regex.search(css)
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return css
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css = pseudoclasscolon(css)
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# Remove spaces from before things.
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css = re.sub(r"\s+([!{};:>+\(\)\],])", r"\1", css)
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# If there is a `@charset`,
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# then only allow one, and move to the beginning.
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css = re.sub(r"^(.*)(@charset \"[^\"]*\";)", r"\2\1", css)
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css = re.sub(r"^(\s*@charset [^;]+;\s*)+", r"\1", css)
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# Put the space back in for a few cases, such as `@media screen` and
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# `(-webkit-min-device-pixel-ratio:0)`.
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css = re.sub(r"\band\(", "and (", css)
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# Put the colons back.
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css = css.replace('___PSEUDOCLASSCOLON___', ':')
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# Remove spaces from after things.
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css = re.sub(r"([!{}:;>+\(\[,])\s+", r"\1", css)
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return css
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def remove_unnecessary_semicolons(self, css):
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"""Remove unnecessary semicolons."""
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return re.sub(r";+\}", "}", css)
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def remove_empty_rules(self, css):
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"""Remove empty rules."""
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return re.sub(r"[^\}\{]+\{\}", "", css)
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def normalize_rgb_colors_to_hex(self, css):
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"""Convert `rgb(51,102,153)` to `#336699`."""
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regex = re.compile(r"rgb\s*\(\s*([0-9,\s]+)\s*\)")
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match = regex.search(css)
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while match:
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colors = match.group(1).split(",")
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hexcolor = '#%.2x%.2x%.2x' % map(int, colors)
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css = css.replace(match.group(), hexcolor)
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match = regex.search(css)
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return css
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def condense_zero_units(self, css):
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"""Replace `0(px, em, %, etc)` with `0`."""
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return re.sub(r"([\s:])(0)(px|em|%|in|cm|mm|pc|pt|ex)", r"\1\2", css)
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def condense_multidimensional_zeros(self, css):
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"""Replace `:0 0 0 0;`, `:0 0 0;` etc. with `:0;`."""
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css = css.replace(":0 0 0 0;", ":0;")
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css = css.replace(":0 0 0;", ":0;")
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css = css.replace(":0 0;", ":0;")
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# Revert `background-position:0;` to the valid `background-position:0 0;`.
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css = css.replace("background-position:0;", "background-position:0 0;")
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return css
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def condense_floating_points(self, css):
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"""Replace `0.6` with `.6` where possible."""
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return re.sub(r"(:|\s)0+\.(\d+)", r"\1.\2", css)
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def condense_hex_colors(self, css):
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"""Shorten colors from #AABBCC to #ABC where possible."""
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regex = re.compile(r"([^\"'=\s])(\s*)#([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])")
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match = regex.search(css)
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while match:
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first = match.group(3) + match.group(5) + match.group(7)
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second = match.group(4) + match.group(6) + match.group(8)
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if first.lower() == second.lower():
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css = css.replace(match.group(), match.group(1) + match.group(2) + '#' + first)
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match = regex.search(css, match.end() - 3)
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else:
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match = regex.search(css, match.end())
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return css
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def condense_whitespace(self, css):
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"""Condense multiple adjacent whitespace characters into one."""
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return re.sub(r"\s+", " ", css)
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def condense_semicolons(self, css):
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"""Condense multiple adjacent semicolon characters into one."""
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return re.sub(r";;+", ";", css)
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def wrap_css_lines(self, css, line_length):
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"""Wrap the lines of the given CSS to an approximate length."""
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lines = []
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line_start = 0
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for i, char in enumerate(css):
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# It's safe to break after `}` characters.
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if char == '}' and (i - line_start >= line_length):
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lines.append(css[line_start:i + 1])
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line_start = i + 1
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if line_start < len(css):
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lines.append(css[line_start:])
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return '\n'.join(lines)
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def compress(self, css, wrap=None):
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css = self.remove_comments(css)
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css = self.condense_whitespace(css)
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# A pseudo class for the Box Model Hack
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# (see http://tantek.com/CSS/Examples/boxmodelhack.html)
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css = css.replace('"\\"}\\""', "___PSEUDOCLASSBMH___")
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css = self.remove_unnecessary_whitespace(css)
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css = self.remove_unnecessary_semicolons(css)
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css = self.condense_zero_units(css)
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css = self.condense_multidimensional_zeros(css)
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css = self.condense_floating_points(css)
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css = self.normalize_rgb_colors_to_hex(css)
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css = self.condense_hex_colors(css)
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if wrap is not None:
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css = self.wrap_css_lines(css, wrap)
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css = css.replace("___PSEUDOCLASSBMH___", '"\\"}\\""')
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css = self.condense_semicolons(css)
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# A Hack for IE compatiblity
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# These crappy browser has issues with AND Statments in @MEDIA Blocks
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css = css.replace('and(', 'and (')
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return css.strip()
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def handle(self, *args, **options):
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CSS_ROOT = os.path.join(settings.STATICFILES_DIRS[0], 'css')
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for site in Site.objects.all():
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css_input = os.path.join(CSS_ROOT, site.domain)
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css_output = '%s/%s.css' % (CSS_ROOT, site.domain.replace('.', '_'))
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print _("Compressing CSS for %s") % site.name
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print "Input Dir: %s" % css_input
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print "Output File: %s" % css_output
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try:
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os.makedirs(css_input)
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except OSError:
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pass
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css = ''
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"""Read each .css file in the css_input directory,
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and append their content"""
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for file_name in fnmatch.filter(sorted(os.listdir(css_input)), '*.css'):
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print ' Adding: %s' % file_name
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with open(os.path.join(css_input, file_name), 'r') as css_file:
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css += css_file.read()
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with open(css_output, 'w') as css_file:
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css_file.write(self.compress(css))
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47
utils/management/commands/compressjs.py
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47
utils/management/commands/compressjs.py
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@@ -0,0 +1,47 @@
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'''
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Created on 06.06.2011
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@author: christian
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'''
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import fnmatch
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import os
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from django.conf import settings
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from django.contrib.sites.models import Site
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from django.core.management.base import BaseCommand
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from django.utils.translation import ugettext as _
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import jsmin
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class Command(BaseCommand):
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'''
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classdocs
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'''
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can_import_settings = True
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help = _("Reads raw CSS from stdin, and writes compressed CSS to stdout.")
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def handle(self, *args, **options):
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JS_ROOT = os.path.join(settings.STATICFILES_DIRS[0], 'js')
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for site in Site.objects.all():
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js_input = os.path.join(JS_ROOT, site.domain)
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js_output = '%s/%s.js' % (JS_ROOT, site.domain.replace('.', '_'))
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print _("Compressing JavaScript for %s") % site.name
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print "Input Dir: %s" % js_input
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print "Output File: %s" % js_output
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try:
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os.makedirs(js_input)
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except OSError:
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pass
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output = ''
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# Read each .js file in the js_input directory, and append their
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# content
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js_files = fnmatch.filter(sorted(os.listdir(js_input)), '*.js')
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for file_name in js_files:
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print " Adding: %s..." % file_name
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input_file_name = os.path.join(js_input, file_name)
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with open(input_file_name, 'r') as input_file:
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output += input_file.read()
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with open(js_output, 'w') as output_file:
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output_file.write(jsmin.jsmin(output))
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46
utils/management/commands/scss-compiler.py
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46
utils/management/commands/scss-compiler.py
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'''
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Created on 06.06.2011
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@author: christian
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'''
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from django.conf import settings
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from django.contrib.sites.models import Site
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from django.core.management.base import BaseCommand
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from django.utils.translation import ugettext as _
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from optparse import make_option
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import os, re, fnmatch
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from scss import parser
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class Command(BaseCommand):
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'''
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classdocs
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'''
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can_import_settings = True
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help = _("Compile SCSS rules.")
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def handle(self, *args, **options):
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CSS_ROOT = os.path.join(settings.STATICFILES_DIRS[0], 'css')
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for site in Site.objects.all():
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css_input = os.path.join(CSS_ROOT, site.domain)
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css_output = '%s/%s.css' % (CSS_ROOT, site.domain.replace('.', '_'))
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print _("Compressing CSS for %s") % site.name
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print "Input Dir: %s" % css_input
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print "Output File: %s" % css_output
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try:
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os.makedirs(css_input)
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except OSError:
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pass
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css = ''
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"""Read each .css file in the css_input directory,
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and append their content"""
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for file_name in fnmatch.filter(sorted(os.listdir(css_input)), '*.css'):
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print ' Adding: %s' % file_name
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with open(os.path.join(css_input, file_name), 'r') as css_file:
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css += css_file.read()
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with open(css_output, 'w') as css_file:
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css_file.write(self.compress(css))
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#file.write(css)
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