+++ /dev/null
-import os
-import re
-import tempfile
-
-from django.conf import settings as django_settings
-from django.utils.http import urlquote
-from django.dispatch import dispatcher
-
-from compress.conf import settings
-from compress.signals import css_filtered, js_filtered
-
-def get_filter(compressor_class):
- """
- Convert a string version of a function name to the callable object.
- """
-
- if not hasattr(compressor_class, '__bases__'):
-
- try:
- compressor_class = compressor_class.encode('ascii')
- mod_name, class_name = get_mod_func(compressor_class)
- if class_name != '':
- compressor_class = getattr(__import__(mod_name, {}, {}, ['']), class_name)
- except (ImportError, AttributeError):
- raise Exception('Failed to import filter %s' % compressor_class)
-
- return compressor_class
-
-def get_mod_func(callback):
- """
- Converts 'django.views.news.stories.story_detail' to
- ('django.views.news.stories', 'story_detail')
- """
-
- try:
- dot = callback.rindex('.')
- except ValueError:
- return callback, ''
- return callback[:dot], callback[dot+1:]
-
-def needs_update(output_file, source_files):
- """
- Scan the source files for changes and returns True if the output_file needs to be updated.
- """
-
- mtime = max_mtime(source_files)
- version = get_version(mtime)
-
- compressed_file_full = media_root(get_output_filename(output_file, version))
-
- if not os.path.exists(compressed_file_full):
- return True, version
-
- # Check if the output file is outdated
- return (os.stat(compressed_file_full).st_mtime < mtime), mtime
-
-def media_root(filename):
- """
- Return the full path to ``filename``. ``filename`` is a relative path name in MEDIA_ROOT
- """
- return os.path.join(django_settings.STATIC_ROOT, filename)
-
-def media_url(url):
- return django_settings.STATIC_URL + urlquote(url)
-
-def concat(filenames, separator=''):
- """
- Concatenate the files from the list of the ``filenames``, ouput separated with ``separator``.
- """
- r = ''
-
- for filename in filenames:
- fd = open(media_root(filename), 'rb')
- r += fd.read()
- r += separator
- fd.close()
-
- return r
-
-def max_mtime(files):
- return int(max([os.stat(media_root(f)).st_mtime for f in files]))
-
-def save_file(filename, contents):
- fd = open(media_root(filename), 'wb+')
- fd.write(contents)
- fd.close()
-
-def get_output_filename(filename, version):
- if settings.COMPRESS_VERSION and version is not None:
- return filename.replace(settings.COMPRESS_VERSION_PLACEHOLDER, get_version(version))
- else:
- return filename.replace(settings.COMPRESS_VERSION_PLACEHOLDER, settings.COMPRESS_VERSION_DEFAULT)
-
-def get_version(version):
- try:
- return str(int(version))
- except ValueError:
- return str(version)
-
-def remove_files(path, filename, verbosity=0):
- regex = re.compile(r'^%s$' % (os.path.basename(get_output_filename(settings.COMPRESS_VERSION_PLACEHOLDER.join([re.escape(part) for part in filename.split(settings.COMPRESS_VERSION_PLACEHOLDER)]), r'\d+'))))
-
- for f in os.listdir(path):
- if regex.match(f):
- if verbosity >= 1:
- print "Removing outdated file %s" % f
-
- os.unlink(os.path.join(path, f))
-
-def filter_common(obj, verbosity, filters, attr, separator, signal):
- output = concat(obj['source_filenames'], separator)
- filename = get_output_filename(obj['output_filename'], get_version(max_mtime(obj['source_filenames'])))
-
- if settings.COMPRESS_VERSION:
- remove_files(os.path.dirname(media_root(filename)), obj['output_filename'], verbosity)
-
- if verbosity >= 1:
- print "Saving %s" % filename
-
- for f in filters:
- output = getattr(get_filter(f)(verbose=(verbosity >= 2)), attr)(output)
-
- save_file(filename, output)
- signal.send(None)
-
-def filter_css(css, verbosity=0):
- return filter_common(css, verbosity, filters=settings.COMPRESS_CSS_FILTERS, attr='filter_css', separator='', signal=css_filtered)
-
-def filter_js(js, verbosity=0):
- return filter_common(js, verbosity, filters=settings.COMPRESS_JS_FILTERS, attr='filter_js', separator=';', signal=js_filtered)
fnp / wolnelektury.git / blobdiff