def collect(self):
        self.ignore_patterns = [
            '*.png', '*.jpg', '*.js', '*.gif', '*.ttf', '*.md', '*.rst',
            '*.svg']
        page_themes = PageTheme.objects.all()
        for finder in get_finders():
            for path, storage in finder.list(self.ignore_patterns):
                for t in page_themes:
                    static_path = 'themes/{0}'.format(t.name.split('/')[-1])
                    if static_path in path:
                        try:
                            page_theme = PageTheme.objects.get(id=t.id)
                        except PageTheme.DoesNotExist:
                            raise Exception(
                                "Run sync_themes before this command")
                        except Exception as e:
                            self.stdout.write(
                                "Cannot load {} into database original error: {}".format(t, e))
                        skins_path = os.path.join(
                            storage.path('/'.join(path.split('/')[0:-1])))
                        for dirpath, skins, filenames in os.walk(skins_path):
                            for skin in [s for s in skins if s not in ['fonts']]:
                                for skin_dirpath, skins, filenames in os.walk(os.path.join(dirpath, skin)):
                                    skin, created = PageColorScheme.objects.get_or_create(
                                        theme=page_theme, label=skin, name=skin.title())
                                    for f in filenames:
                                        if 'styles' in f:
                                            with codecs.open(os.path.join(skin_dirpath, f)) as style_file:
                                                skin.styles = style_file.read()
                                        elif 'variables' in f:
                                            with codecs.open(os.path.join(skin_dirpath, f)) as variables_file:
                                                skin.variables = variables_file.read()
                                    skin.save()
                                    self.skins_updated += 1
        self.page_themes_updated += len(page_themes)