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SickRage/lib/shove/store/svn.py

111 lines
3.3 KiB
Python

# -*- coding: utf-8 -*-
'''
subversion managed store.
The shove psuedo-URL used for a subversion store that is password protected is:
svn:<username><password>:<path>?url=<url>
or for non-password protected repositories:
svn://<path>?url=<url>
<path> is the local repository copy
<url> is the URL of the subversion repository
'''
import os
import urllib
import threading
try:
import pysvn
except ImportError:
raise ImportError('Requires Python Subversion library')
from shove import BaseStore, synchronized
class SvnStore(BaseStore):
'''Class for subversion store.'''
def __init__(self, engine=None, **kw):
super(SvnStore, self).__init__(engine, **kw)
# Get path, url from keywords if used
path, url = kw.get('path'), kw.get('url')
# Get username. password from keywords if used
user, password = kw.get('user'), kw.get('password')
# Process psuedo URL if used
if engine is not None:
path, query = engine.split('n://')[1].split('?')
url = query.split('=')[1]
# Check for username, password
if '@' in path:
auth, path = path.split('@')
user, password = auth.split(':')
path = urllib.url2pathname(path)
# Create subversion client
self._client = pysvn.Client()
# Assign username, password
if user is not None:
self._client.set_username(user)
if password is not None:
self._client.set_password(password)
# Verify that store exists in repository
try:
self._client.info2(url)
# Create store in repository if it doesn't exist
except pysvn.ClientError:
self._client.mkdir(url, 'Adding directory')
# Verify that local copy exists
try:
if self._client.info(path) is None:
self._client.checkout(url, path)
# Check it out if it doesn't exist
except pysvn.ClientError:
self._client.checkout(url, path)
self._path, self._url = path, url
# Lock
self._lock = threading.Condition()
@synchronized
def __getitem__(self, key):
try:
return self.loads(self._client.cat(self._key_to_file(key)))
except:
raise KeyError(key)
@synchronized
def __setitem__(self, key, value):
fname = self._key_to_file(key)
# Write value to file
open(fname, 'wb').write(self.dumps(value))
# Add to repository
if key not in self:
self._client.add(fname)
self._client.checkin([fname], 'Adding %s' % fname)
@synchronized
def __delitem__(self, key):
try:
fname = self._key_to_file(key)
self._client.remove(fname)
# Remove deleted value from repository
self._client.checkin([fname], 'Removing %s' % fname)
except:
raise KeyError(key)
def _key_to_file(self, key):
'''Gives the filesystem path for a key.'''
return os.path.join(self._path, urllib.quote_plus(key))
@synchronized
def keys(self):
'''Returns a list of keys in the subversion repository.'''
return list(str(i.name.split('/')[-1]) for i
in self._client.ls(self._path))
__all__ = ['SvnStore']