diff options
| -rw-r--r-- | service/pixelated/adapter/tag_index.py | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/service/pixelated/adapter/tag_index.py b/service/pixelated/adapter/tag_index.py deleted file mode 100644 index 5b9bda51..00000000 --- a/service/pixelated/adapter/tag_index.py +++ /dev/null @@ -1,66 +0,0 @@ -# -# Copyright (c) 2014 ThoughtWorks, Inc. -# -# Pixelated is free software: you can redistribute it and/or modify -# it under the terms of the GNU Affero General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# Pixelated is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU Affero General Public License for more details. -# -# You should have received a copy of the GNU Affero General Public License -# along with Pixelated. If not, see <http://www.gnu.org/licenses/>. -# -import dbm -import atexit - -import os -from pixelated.adapter.tag import Tag - - -class TagIndex: - """ - Manages an index for mail's tags using a file storage. - """ - DB_PATH = os.path.join(os.environ['HOME'], '.pixelated_index') - - __db_instances = dict() - - def __init__(self, db_path=DB_PATH): - self.db_path = db_path - if db_path not in TagIndex.__db_instances: - TagIndex.__db_instances[db_path] = dbm.open(db_path, 'c') - self.db = TagIndex.__db_instances[db_path] - atexit.register(self._close_db) - - def set(self, tag): - self.db[tag.name] = tag.as_json_string() - - def add(self, tag): - if tag.name not in self.db: - self.set(tag) - return tag - - def get(self, tag_name): - if tag_name in self.db: - return Tag.from_json_string(self.db.get(tag_name)) - else: - return None - - def remove(self, tag_name): - if tag_name in self.db: - del self.db[tag_name] - - def empty(self): - return len(self.db.keys()) == 0 - - def values(self): - return set(self.get(key) for key in self.db.keys()) - - def _close_db(self): - self.db.close() - if self.db_path in TagIndex.__db_instances: - del TagIndex.__db_instances[self.db_path] |