Merge pull request #34 from travelton/excluded_extensions

Feature: Ignore File Extensions

CHANGES.rst

@@ -1,6 +1,11 @@
 Changelog
 =========
 
+Version 0.3.3
+------------
+Addition of ignored file extensions
+
+
 Version 0.1
 ------------
 First release

README.rst

@@ -73,6 +73,11 @@ Or staticfiles directories using: ::
 
   $ ./manage.py livereload --ignore-static-dirs
 
+You can ignore file extensions: ::
+
+  $ ./manage.py livereload --ignore-file-extensions=.less,.scss
+
+
 Extra files and/or paths to watch for changes can be added as positional arguments. By default livereload server watches the files that are found by your staticfiles finders and your template loaders. ::
 
   $ python manage.py livereload path/to/my-extra-directory/

livereload/__init__.py

@@ -1,5 +1,5 @@
 """django-livereload"""
-__version__ = '0.3.2'
+__version__ = '0.3.3'
 __license__ = 'BSD License'
 
 __author__ = 'Tomas Walch'

livereload/management/commands/livereload.py

@@ -17,6 +17,11 @@ def add_arguments(self, parser):
             action='store',
             help='Extra files or directories to watch',
         )
+        parser.add_argument(
+            '--ignore-file-extensions',
+            action='store',
+            help='File extensions to ignore',
+        )
         parser.add_argument(
             '--host', dest='host', default=livereload_host(), help='Host address for livereload sever.'
         )
@@ -54,6 +59,10 @@ def handle(self, *args, **options):
             watch_dirs.extend([os.path.join(app_config.path, 'static')
                                for app_config in app_configs])
 
+        ignore_file_extensions = options.get('ignore_file_extensions', '').split(',')
+        for extension in ignore_file_extensions:
+            server.ignore_file_extension(extension.strip())
+
         for dir in filter(None, watch_dirs):
             server.watch(dir)
 

livereload/server.py

@@ -88,11 +88,22 @@ class Server(object):
                     CPU usage.
     """
     def __init__(self, watcher=None):
+        self._setup_logging()
         if not watcher:
             watcher_cls = get_watcher_class()
             watcher = watcher_cls()
         self.watcher = watcher
 
+    def ignore_file_extension(self, extension):
+        """
+        Configure a file extension to be ignored.
+
+        :param extension: file extension to be ignored
+                          (ex. .less, .scss, etc)
+        """
+        logger.info('Ignoring file extension: {}'.format(extension))
+        self.watcher.ignore_file_extension(extension)
+
     def watch(self, filepath, func=None, delay=None):
         """Add the given filepath for watcher list.
 
@@ -137,7 +148,6 @@ def serve(self, liveport=None, host=None, restart_delay=2):
         :param open_url_delay: open webbrowser after the delay seconds
         """
         host = host or '127.0.0.1'
-        self._setup_logging()
         logger.info('Serving on http://%s:%s' % (host, liveport))
 
         self.application(host, liveport=liveport)

livereload/watcher.py

@@ -31,10 +31,16 @@ def __init__(self):
         self.filepath = None
         self._start = time.time()
 
-    def ignore(self, filename):
-        """Ignore a given filename or not."""
+        # ignored file extensions
+        self.ignored_file_extensions = ['.pyc', '.pyo', '.o', '.swp']
+
+    def should_ignore(self, filename):
+        """Should ignore a given filename?"""
         _, ext = os.path.splitext(filename)
-        return ext in ['.pyc', '.pyo', '.o', '.swp']
+        return ext in self.ignored_file_extensions
+
+    def ignore_file_extension(self, extension):
+        self.ignored_file_extensions.append(extension)
 
     def watch(self, path, func=None, delay=0, ignore=None):
         """Add a task to watcher.
@@ -94,7 +100,7 @@ def is_file_changed(self, path, ignore=None):
         if not os.path.isfile(path):
             return False
 
-        if self.ignore(path):
+        if self.should_ignore(path):
             return False
 
         if ignore and ignore(path):