mirror of
https://github.com/correl/Transmission-XBMC.git
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111 lines
3.7 KiB
Python
111 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2008-2013 Erik Svensson <erik.public@gmail.com>
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# Licensed under the MIT license.
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from transmissionrpc.utils import Field
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from six import iteritems, integer_types
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class Session(object):
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"""
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Session is a class holding the session data for a Transmission daemon.
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Access the session field can be done through attributes.
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The attributes available are the same as the session arguments in the
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Transmission RPC specification, but with underscore instead of hyphen.
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``download-dir`` -> ``download_dir``.
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"""
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def __init__(self, client=None, fields=None):
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self._client = client
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self._fields = {}
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if fields is not None:
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self._update_fields(fields)
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def __getattr__(self, name):
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try:
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return self._fields[name].value
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except KeyError:
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raise AttributeError('No attribute %s' % name)
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def __str__(self):
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text = ''
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for key in sorted(self._fields.keys()):
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text += "% 32s: %s\n" % (key[-32:], self._fields[key].value)
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return text
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def _update_fields(self, other):
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"""
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Update the session data from a Transmission JSON-RPC arguments dictionary
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"""
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if isinstance(other, dict):
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for key, value in iteritems(other):
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self._fields[key.replace('-', '_')] = Field(value, False)
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elif isinstance(other, Session):
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for key in list(other._fields.keys()):
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self._fields[key] = Field(other._fields[key].value, False)
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else:
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raise ValueError('Cannot update with supplied data')
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def _dirty_fields(self):
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"""Enumerate changed fields"""
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outgoing_keys = ['peer_port', 'pex_enabled']
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fields = []
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for key in outgoing_keys:
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if key in self._fields and self._fields[key].dirty:
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fields.append(key)
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return fields
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def _push(self):
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"""Push changed fields to the server"""
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dirty = self._dirty_fields()
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args = {}
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for key in dirty:
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args[key] = self._fields[key].value
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self._fields[key] = self._fields[key]._replace(dirty=False)
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if len(args) > 0:
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self._client.set_session(**args)
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def update(self, timeout=None):
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"""Update the session information."""
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self._push()
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session = self._client.get_session(timeout=timeout)
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self._update_fields(session)
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session = self._client.session_stats(timeout=timeout)
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self._update_fields(session)
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def from_request(self, data):
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"""Update the session information."""
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self._update_fields(data)
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def _get_peer_port(self):
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"""
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Get the peer port.
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"""
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return self._fields['peer_port'].value
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def _set_peer_port(self, port):
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"""
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Set the peer port.
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"""
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if isinstance(port, integer_types):
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self._fields['peer_port'] = Field(port, True)
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self._push()
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else:
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raise ValueError("Not a valid limit")
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peer_port = property(_get_peer_port, _set_peer_port, None, "Peer port. This is a mutator.")
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def _get_pex_enabled(self):
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"""Is peer exchange enabled?"""
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return self._fields['pex_enabled'].value
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def _set_pex_enabled(self, enabled):
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"""Enable/disable peer exchange."""
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if isinstance(enabled, bool):
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self._fields['pex_enabled'] = Field(enabled, True)
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self._push()
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else:
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raise TypeError("Not a valid type")
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pex_enabled = property(_get_pex_enabled, _set_pex_enabled, None, "Enable peer exchange. This is a mutator.")
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