1
0
mirror of https://github.com/moparisthebest/SickRage synced 2024-11-10 19:35:08 -05:00
SickRage/lib/shove/store/ftp.py

89 lines
2.6 KiB
Python

# -*- coding: utf-8 -*-
'''
FTP-accessed stores
shove's URL for FTP accessed stores follows the standard form for FTP URLs
defined in RFC-1738:
ftp://<user>:<password>@<host>:<port>/<url-path>
'''
import urlparse
try:
from cStringIO import StringIO
except ImportError:
from StringIO import StringIO
from ftplib import FTP, error_perm
from shove import BaseStore
class FtpStore(BaseStore):
def __init__(self, engine, **kw):
super(FtpStore, self).__init__(engine, **kw)
user = kw.get('user', 'anonymous')
password = kw.get('password', '')
spliturl = urlparse.urlsplit(engine)
# Set URL, path, and strip 'ftp://' off
base, path = spliturl[1], spliturl[2] + '/'
if '@' in base:
auth, base = base.split('@')
user, password = auth.split(':')
self._store = FTP(base, user, password)
# Change to remote path if it exits
try:
self._store.cwd(path)
except error_perm:
self._makedir(path)
self._base, self._user, self._password = base, user, password
self._updated, self ._keys = True, None
def __getitem__(self, key):
try:
local = StringIO()
# Download item
self._store.retrbinary('RETR %s' % key, local.write)
self._updated = False
return self.loads(local.getvalue())
except:
raise KeyError(key)
def __setitem__(self, key, value):
local = StringIO(self.dumps(value))
self._store.storbinary('STOR %s' % key, local)
self._updated = True
def __delitem__(self, key):
try:
self._store.delete(key)
self._updated = True
except:
raise KeyError(key)
def _makedir(self, path):
'''Makes remote paths on an FTP server.'''
paths = list(reversed([i for i in path.split('/') if i != '']))
while paths:
tpath = paths.pop()
self._store.mkd(tpath)
self._store.cwd(tpath)
def keys(self):
'''Returns a list of keys in a store.'''
if self._updated or self._keys is None:
rlist, nlist = list(), list()
# Remote directory listing
self._store.retrlines('LIST -a', rlist.append)
for rlisting in rlist:
# Split remote file based on whitespace
rfile = rlisting.split()
# Append tuple of remote item type & name
if rfile[-1] not in ('.', '..') and rfile[0].startswith('-'):
nlist.append(rfile[-1])
self._keys = nlist
return self._keys
__all__ = ['FtpStore']