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[redakcja.git] / apps / compress / utils.py
index 5e13222..1e5f4cc 100644 (file)
@@ -9,6 +9,7 @@ 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.
@@ -26,6 +27,7 @@ def get_class(class_string):
 
     return class_string
 
+
 def get_mod_func(callback):
     """
     Converts 'django.views.news.stories.story_detail' to
@@ -36,7 +38,8 @@ def get_mod_func(callback):
         dot = callback.rindex('.')
     except ValueError:
         return callback, ''
-    return callback[:dot], callback[dot+1:]
+    return callback[:dot], callback[dot + 1:]
+
 
 def needs_update(output_file, source_files, verbosity=0):
     """
@@ -44,27 +47,30 @@ def needs_update(output_file, source_files, verbosity=0):
     """
 
     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``.
@@ -77,9 +83,11 @@ def concat(filenames, 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):
@@ -88,16 +96,19 @@ def save_file(filename, contents):
     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):
@@ -105,19 +116,21 @@ def get_version_from_file(path, filename):
         if result and result.groups():
             return result.groups()[0]
 
-def remove_files(path, filename, verbosity=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:
@@ -132,8 +145,10 @@ def filter_common(obj, verbosity, filters, attr, separator, signal):
     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)