mylar/lib/rtorrent/common.py

152 lines
4.0 KiB
Python

# Copyright (c) 2013 Chris Lucas, <chris@chrisjlucas.com>
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import urlparse
import os
from rtorrent.compat import is_py3
def bool_to_int(value):
"""Translates python booleans to RPC-safe integers"""
if value is True:
return("1")
elif value is False:
return("0")
else:
return(value)
def cmd_exists(cmds_list, cmd):
"""Check if given command is in list of available commands
@param cmds_list: see L{RTorrent._rpc_methods}
@type cmds_list: list
@param cmd: name of command to be checked
@type cmd: str
@return: bool
"""
return(cmd in cmds_list)
def find_torrent(info_hash, torrent_list):
"""Find torrent file in given list of Torrent classes
@param info_hash: info hash of torrent
@type info_hash: str
@param torrent_list: list of L{Torrent} instances (see L{RTorrent.get_torrents})
@type torrent_list: list
@return: L{Torrent} instance, or -1 if not found
"""
for t in torrent_list:
if t.info_hash == info_hash:
return t
return None
def is_valid_port(port):
"""Check if given port is valid"""
return(0 <= int(port) <= 65535)
def convert_version_tuple_to_str(t):
return(".".join([str(n) for n in t]))
def safe_repr(fmt, *args, **kwargs):
""" Formatter that handles unicode arguments """
if not is_py3():
# unicode fmt can take str args, str fmt cannot take unicode args
fmt = fmt.decode("utf-8")
out = fmt.format(*args, **kwargs)
return out.encode("utf-8")
else:
return fmt.format(*args, **kwargs)
def split_path(path):
fragments = path.split('/')
if len(fragments) == 1:
return fragments
if not fragments[-1]:
return fragments[:-1]
return fragments
def join_path(base, path):
# Return if we have a new absolute path
if os.path.isabs(path):
return path
# non-absolute base encountered
if base and not os.path.isabs(base):
raise NotImplementedError()
return '/'.join(split_path(base) + split_path(path))
def join_uri(base, uri, construct=True):
p_uri = urlparse.urlparse(uri)
# Return if there is nothing to join
if not p_uri.path:
return base
scheme, netloc, path, params, query, fragment = urlparse.urlparse(base)
# Switch to 'uri' parts
_, _, _, params, query, fragment = p_uri
path = join_path(path, p_uri.path)
result = urlparse.ParseResult(scheme, netloc, path, params, query, fragment)
if not construct:
return result
# Construct from parts
return urlparse.urlunparse(result)
def update_uri(uri, construct=True, **kwargs):
if isinstance(uri, urlparse.ParseResult):
uri = dict(uri._asdict())
if type(uri) is not dict:
raise ValueError("Unknown URI type")
uri.update(kwargs)
result = urlparse.ParseResult(**uri)
if not construct:
return result
return urlparse.urlunparse(result)