+++ /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_class(class_string):
- """
- Convert a string version of a function name to the callable object.
- """
-
- if not hasattr(class_string, '__bases__'):
-
- try:
- class_string = class_string.encode('ascii')
- mod_name, class_name = get_mod_func(class_string)
- if class_name != '':
- class_string = getattr(__import__(mod_name, {}, {}, ['']), class_name)
- except (ImportError, AttributeError):
- raise Exception('Failed to import filter %s' % class_string)
-
- return class_string
-
-
-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, verbosity=0):
- """
- Scan the source files for changes and returns True if the output_file needs to be updated.
- """
-
- version = get_version(source_files)
-
- on = get_output_filename(output_file, version)
- compressed_file_full = media_root(on)
-
- if not os.path.exists(compressed_file_full):
- return True, version
-
- update_needed = getattr(get_class(settings.COMPRESS_VERSIONING)(), 'needs_update')(output_file, source_files, version)
- return update_needed
-
-
-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, prefix=None):
- if prefix:
- return prefix + urlquote(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):
- dirname = os.path.dirname(media_root(filename))
- if not os.path.exists(dirname):
- os.makedirs(dirname)
- 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, version)
- else:
- return filename.replace(settings.COMPRESS_VERSION_PLACEHOLDER, settings.COMPRESS_VERSION_DEFAULT)
-
-
-def get_version(source_files, verbosity=0):
- version = getattr(get_class(settings.COMPRESS_VERSIONING)(), 'get_version')(source_files)
- return version
-
-
-def get_version_from_file(path, filename):
- regex = re.compile(r'^%s$' % (get_output_filename(settings.COMPRESS_VERSION_PLACEHOLDER.join([re.escape(part) for part in filename.split(settings.COMPRESS_VERSION_PLACEHOLDER)]), r'([A-Za-z0-9]+)')))
- for f in os.listdir(path):
- result = regex.match(f)
- if result and result.groups():
- return result.groups()[0]
-
-
-def remove_files(path, filename, verbosity=0):
- regex = re.compile(r'^%s$' % (os.path.basename(get_output_filename(settings.COMPRESS_VERSION_PLACEHOLDER.join([re.escape(part) for part in filename.split(settings.COMPRESS_VERSION_PLACEHOLDER)]), r'[A-Za-z0-9]+'))))
- if os.path.exists(path):
- 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(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_class(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 / redakcja.git / blobdiff