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lixian_commands.py
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lixian_commands.py
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__all__ = []
from lixian import XunleiClient
from lixian_config import *
from lixian_encoding import default_encoding
from lixian_cli_parser import *
from lixian_cli import parse_login
##################################################
# command decorator
##################################################
def command(name='', usage='', help=''):
def as_command(f):
assert usage, 'missing command usage: ' + f.func_name
f.command_name = name or f.func_name.replace('_', '-')
f.command_usage = usage
f.command_help = help or f.func_doc
import textwrap
if f.command_help:
f.command_help = textwrap.dedent(f.command_help)
return f
return as_command
##################################################
@command(usage='echo arguments')
def echo(args):
'''
lx echo ...
'''
print ' '.join(expand_command_line(args))
##################################################
@command(name='hash', usage='compute hashes')
def print_hash(args):
'''
lx hash --sha1 file...
lx hash --md5 file...
lx hash --md4 file...
lx hash --dcid file...
lx hash --ed2k file...
lx hash --info-hash xxx.torrent...
lx hash --verify-sha1 file hash
lx hash --verify-md5 file hash
lx hash --verify-md4 file hash
lx hash --verify-dcid file hash
lx hash --verify-ed2k file ed2k://...
lx hash --verify-bt file xxx.torrent
'''
#assert len(args) == 1
import lixian_hash
#import lixian_hash_ed2k
#print 'ed2k:', lixian_hash_ed2k.hash_file(args[0])
#print 'dcid:', lixian_hash.dcid_hash_file(args[0])
lixian_hash.main(expand_command_line(args))
##################################################
@command(name='diagnostics', usage='print helpful information for diagnostics')
def lx_diagnostics(args):
'''
usage: lx diagnostics
'''
print 'default_encoding ->', default_encoding
import sys
print 'sys.getdefaultencoding() ->', sys.getdefaultencoding()
print 'sys.getfilesystemencoding() ->', sys.getfilesystemencoding()
print r"print u'\u4e2d\u6587'.encode('utf-8') ->", u'\u4e2d\u6587'.encode('utf-8')
print r"print u'\u4e2d\u6587'.encode('gbk') ->", u'\u4e2d\u6587'.encode('gbk')
##################################################
@command(usage='convert thunder:// (and more) to normal url')
def decode_url(args):
'''
usage: lx decode-url thunder://...
'''
from lixian_url import url_unmask
for x in args:
print url_unmask(x)
##################################################
@command(usage='parse links from kuai.xunlei.com')
def kuai(args):
'''
usage: lx kuai http://kuai.xunlei.com/d/xxx...
Note that you can simply use:
lx add http://kuai.xunlei.com/d/xxx...
or:
lx download http://kuai.xunlei.com/d/xxx...
'''
import lixian_kuai
lixian_kuai.main(args)
##################################################
@command(usage='parse links')
def extend_links(args):
'''
usage: lx extend-links http://kuai.xunlei.com/d/... http://www.verycd.com/topics/...
parse and print links from pages
lx extend-links urls...
lx extend-links --name urls...
'''
args = parse_command_line(args, [], ['name'])
import lixian_extend_links
if args.name:
for x in lixian_extend_links.extend_links_name(args):
print x.encode(default_encoding)
else:
for x in lixian_extend_links.extend_links(args):
print x
##################################################
def b_encoding(b):
if 'encoding' in b:
return b['encoding']
if 'codepage' in b:
return 'cp' + str(b['codepage'])
return 'utf-8'
def b_name(info, encoding='utf-8'):
if 'name.utf-8' in info:
return info['name.utf-8'].decode('utf-8')
return info['name'].decode(encoding)
def b_path(f, encoding='utf-8'):
if 'path.utf-8' in f:
return [p.decode('utf-8') for p in f['path.utf-8']]
return [p.decode(encoding) for p in f['path']]
@command(usage='list files in local .torrent')
def list_torrent(args):
'''
usage: lx list-torrent [--size] xxx.torrent...
'''
args = parse_command_line(args, [], ['size'], default={'size':get_config('size')})
torrents = args
if not torrents:
from glob import glob
torrents = glob('*.torrent')
if not torrents:
raise Exception('No .torrent file found')
for p in torrents:
with open(p, 'rb') as stream:
from lixian_hash_bt import bdecode
b = bdecode(stream.read())
encoding = b_encoding(b)
info = b['info']
from lixian_util import format_size
if args.size:
size = sum(f['length'] for f in info['files']) if 'files' in info else info['length']
print '*', b_name(info, encoding).encode(default_encoding), format_size(size)
else:
print '*', b_name(info, encoding).encode(default_encoding)
if 'files' in info:
for f in info['files']:
if f['path'][0].startswith('_____padding_file_'):
continue
path = '/'.join(b_path(f, encoding)).encode(default_encoding)
if args.size:
print '%s (%s)' % (path, format_size(f['length']))
else:
print path
else:
path = b_name(info, encoding).encode(default_encoding)
if args.size:
from lixian_util import format_size
print '%s (%s)' % (path, format_size(info['length']))
else:
print path
##################################################
@command(name='get-torrent', usage='get .torrent by task id or info hash')
@command_line_parser()
@with_parser(parse_login)
def get_torrent(args):
'''
usage: lx get-torrent [info-hash|task-id]...
'''
client = XunleiClient(args.username, args.password, args.cookies)
for id in args:
id = id.lower()
import re
if re.match(r'[a-fA-F0-9]{40}$', id):
torrent = client.get_torrent_file_by_info_hash(id)
elif re.match(r'#?\d+$', id):
tasks = client.read_all_tasks()
from lixian_tasks import find_task_by_id
task = find_task_by_id(tasks, id)
assert task, id + ' not found'
id = task['bt_hash']
id = id.lower()
torrent = client.get_torrent_file_by_info_hash(id)
else:
raise NotImplementedError()
path = id + '.torrent'
print path
with open(path, 'wb') as output:
output.write(torrent)
##################################################
def export_aria2_conf(args):
client = XunleiClient(args.username, args.password, args.cookies)
import lixian_tasks
tasks = lixian_tasks.search_tasks(client, args, status=(args.completed and 'completed' or 'all'))
files = []
for task in tasks:
if task['type'] == 'bt':
subs, skipped, single_file = lixian_tasks.expand_bt_sub_tasks(client, task)
if not subs:
continue
if single_file:
files.append((subs[0]['xunlei_url'], subs[0]['name'], None))
else:
for f in subs:
import os.path
files.append((f['xunlei_url'], f['name'], task['name']))
else:
files.append((task['xunlei_url'], task['name'], None))
output = ''
for url, name, dir in files:
if type(url) == unicode:
url = url.encode(default_encoding)
output += url + '\n'
output += ' out=' + name.encode(default_encoding) + '\n'
if dir:
output += ' dir=' + dir.encode(default_encoding) + '\n'
output += ' header=Cookie: gdriveid=' + client.get_gdriveid() + '\n'
return output
@command(usage='export task download urls as aria2 format')
def export_aria2(args):
'''
usage: lx export-aria2 [id|name]...
'''
from lixian_cli import parse_login_command_line
args = parse_login_command_line(args)
print export_aria2_conf(args)
def download_aria2_stdin(aria2_conf, j):
aria2_opts = ['aria2c', '-i', '-', '-j', j]
aria2_opts.extend(get_config('aria2-opts', '').split())
from subprocess import Popen, PIPE
sub = Popen(aria2_opts, stdin=PIPE, bufsize=1, shell=True)
sub.communicate(aria2_conf)
sub.stdin.close()
exit_code = sub.wait()
if exit_code != 0:
raise Exception('aria2c exited abnormaly')
def download_aria2_temp(aria2_conf, j):
import tempfile
temp = tempfile.NamedTemporaryFile('w', delete=False)
temp.file.write(aria2_conf)
temp.file.close()
try:
aria2_opts = ['aria2c', '-i', temp.name, '-j', j]
aria2_opts.extend(get_config('aria2-opts', '').split())
import subprocess
exit_code = subprocess.call(aria2_opts)
finally:
import os
os.unlink(temp.name)
if exit_code != 0:
raise Exception('aria2c exited abnormaly')
@command(usage='concurrently download tasks in aria2')
def download_aria2(args):
'''
usage: lx download-aria2 -j 5 [id|name]...
'''
from lixian_cli import parse_login_command_line
args = parse_login_command_line(args, keys=['j'], alias={'max-concurrent-downloads':'j'})
j = get_config('aria2-j', args.j) or '5'
aria2_conf = export_aria2_conf(args)
import platform
if platform.system() == 'Windows':
download_aria2_temp(aria2_conf, j)
else:
download_aria2_stdin(aria2_conf, j)
##################################################
# update helps
##################################################
extended_commands = [
echo,
print_hash,
lx_diagnostics,
decode_url,
kuai,
extend_links,
list_torrent,
get_torrent,
export_aria2,
download_aria2,
]
commands = dict((x.command_name, x) for x in extended_commands)
def update_helps(commands):
helps = dict((name, doc) for (name, usage, doc) in commands)
if commands:
import lixian_help
lixian_help.extended_usage = '''\nExtended commands:
''' + lixian_help.join_commands([(x[0], x[1]) for x in commands])
for name, usage, doc in commands:
assert not hasattr(lixian_help, name)
setattr(lixian_help, name, doc)
update_helps([(x.command_name, x.command_usage, x.command_help) for x in extended_commands])