deluge/deluge/ui/common.py
2009-03-30 22:15:13 +00:00

241 lines
7.3 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# deluge/ui/common.py
#
# Copyright (C) Damien Churchill 2008 <damoxc@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, write to:
# The Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor
# Boston, MA 02110-1301, USA.
#
import os
import sys
try:
from hashlib import sha1 as sha
except ImportError:
from sha import sha
import urlparse
from deluge import bencode
from deluge.log import LOG as log
import deluge.configmanager
class TorrentInfo(object):
def __init__(self, filename):
# Get the torrent data from the torrent file
try:
log.debug("Attempting to open %s.", filename)
self.__m_metadata = bencode.bdecode(open(filename, "rb").read())
except Exception, e:
log.warning("Unable to open %s: %s", filename, e)
raise e
self.__m_info_hash = sha(bencode.bencode(self.__m_metadata["info"])).hexdigest()
# Get list of files from torrent info
paths = {}
if self.__m_metadata["info"].has_key("files"):
prefix = ""
if len(self.__m_metadata["info"]["files"]) > 1:
prefix = self.__m_metadata["info"]["name"]
for index, f in enumerate(self.__m_metadata["info"]["files"]):
path = os.path.join(prefix, *f["path"])
f["index"] = index
paths[path] = f
def walk(path, item):
if type(item) is dict:
return item
return [paths[path]['index'], paths[path]['length'], True]
file_tree = FileTree(paths)
file_tree.walk(walk)
self.__m_files_tree = file_tree.get_tree()
else:
self.__m_files_tree = {
self.__m_metadata["info"]["name"]: (self.__m_metadata["info"]["length"], True)
}
self.__m_files = []
if self.__m_metadata["info"].has_key("files"):
prefix = ""
if len(self.__m_metadata["info"]["files"]) > 1:
prefix = self.__m_metadata["info"]["name"]
for f in self.__m_metadata["info"]["files"]:
self.__m_files.append({
'path': os.path.join(prefix, *f["path"]),
'size': f["length"],
'download': True
})
else:
self.__m_files.append({
"path": self.__m_metadata["info"]["name"],
"size": self.__m_metadata["info"]["length"],
"download": True
})
@property
def name(self):
return self.__m_metadata["info"]["name"]
@property
def info_hash(self):
return self.__m_info_hash
@property
def files(self):
return self.__m_files
@property
def files_tree(self):
return self.__m_files_tree
@property
def metadata(self):
return self.__m_metadata
class FileTree(object):
def __init__(self, paths):
self.tree = {}
def get_parent(path):
parent = self.tree
while "/" in path:
directory, path = path.split("/", 1)
child = parent.get(directory)
if child is None:
parent[directory] = {}
parent = parent[directory]
return parent, path
for path in paths:
if path[-1] == "/":
path = path[:-1]
parent, path = get_parent(path)
parent[path] = {}
else:
parent, path = get_parent(path)
parent[path] = []
def get_tree(self):
def to_tuple(path, item):
if type(item) is dict:
return item
return tuple(item)
self.walk(to_tuple)
return self.tree
def walk(self, callback):
def walk(directory, parent_path):
for path in directory.keys():
full_path = os.path.join(parent_path, path)
if type(directory[path]) is dict:
directory[path] = callback(full_path, directory[path]) or \
directory[path]
walk(directory[path], full_path)
else:
directory[path] = callback(full_path, directory[path]) or \
directory[path]
walk(self.tree, "")
def __str__(self):
lines = []
def write(path, item):
lines.append(" " * path.count("/") + str(type(item)))
self.walk(write)
return "\n".join(lines)
def get_torrent_info(filename):
"""
Return the metadata of a torrent file
"""
# Get the torrent data from the torrent file
try:
log.debug("Attempting to open %s.", filename)
metadata = bencode.bdecode(open(filename, "rb").read())
except Exception, e:
log.warning("Unable to open %s: %s", filename, e)
raise e
info_hash = sha(bencode.bencode(metadata["info"])).hexdigest()
# Get list of files from torrent info
paths = {}
if metadata["info"].has_key("files"):
prefix = ""
if len(metadata["info"]["files"]) > 1:
prefix = metadata["info"]["name"]
for f in metadata["info"]["files"]:
path = os.path.join(prefix, *f["path"])
paths[path] = f
def walk(path, item):
if type(item) is dict:
return item
return [paths[path]['length'], True]
file_tree = FileTree(paths)
file_tree.walk(walk)
files = file_tree.get_tree()
else:
files = {
metadata["info"]["name"]: (metadata["info"]["length"], True)
}
return {
"filename": filename,
"name": metadata["info"]["name"],
"files": files,
"info_hash": info_hash
}
def get_localhost_auth():
"""
Grabs the localclient auth line from the 'auth' file and creates a localhost uri
:returns: tuple, with the username and password to login as
"""
auth_file = deluge.configmanager.get_config_dir("auth")
if os.path.exists(auth_file):
for line in open(auth_file):
if line.startswith("#"):
# This is a comment line
continue
try:
lsplit = line.split(":")
except Exception, e:
log.error("Your auth file is malformed: %s", e)
continue
if len(lsplit) == 2:
username, password = lsplit
elif len(lsplit) == 3:
username, password, level = lsplit
else:
log.error("Your auth file is malformed: Incorrect number of fields!")
continue
if username == "localclient":
return (username, password)
return ("", "")