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|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# webserver_framework.py
#
# Copyright (C) Martijn Voncken 2007 <mvoncken@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 2, 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.
#
# In addition, as a special exception, the copyright holders give
# permission to link the code of portions of this program with the OpenSSL
# library.
# You must obey the GNU General Public License in all respects for all of
# the code used other than OpenSSL. If you modify file(s) with this
# exception, you may extend this exception to your version of the file(s),
# but you are not obligated to do so. If you do not wish to do so, delete
# this exception statement from your version. If you delete this exception
# statement from all source files in the program, then also delete it here.
"""
json api.
only used for XUL and/or external scripts
it would be possible not to incluse the python-json dependency.
"""
from new import instancemethod
from inspect import getargspec
from webserver_framework import remote,ws,get_torrent_status,log,get_category_choosers, get_stats,log,filter_torrent_state,fsize,fspeed
from operator import attrgetter
import lib.webpy022 as web
proxy = ws.proxy
def to_json(obj):
from lib.pythonize import pythonize
obj = pythonize(obj)
try:
import json
return json.write(obj)
except ImportError:
raise ImportError("""Install python-json using your package-manager
http://sourceforge.net/projects/json-py/""")
class json_api:
"""
eperimental json api
generic proxy for all methods onm self.
"""
illegal_methods = ['shutdown', 'socket', 'xmlrpclib','pickle','os',
'is_localhost','CoreProxy','connect_on_new_core', 'connect_on_no_core',
'connected','deluge','GET','POST']
def __init__(self):
self._add_proxy_methods()
#extra exposed:
get_torrent_status = get_torrent_status
@remote
def POST(self,name):
import json
if name.startswith('_'):
raise AttributeError('_ methods are illegal.')
if name in self.illegal_methods:
raise AttributeError('Illegal method.')
if not(hasattr(self,name)):
raise AttributeError('No such method')
method = getattr(self,name)
vars = web.input(kwargs= None)
log.debug('vars=%s' % vars)
if vars.kwargs:
kwargs = json.read(vars.kwargs)
else:
kwargs = {}
result = method(**kwargs)
return "(" + to_json(result) + ")"
def list_methods(self):
"""
list all json methods
returns a dict of {methodname:{args:[list of kwargs],doc:'string'},..}
"""
methods = [getattr(self,m) for m in dir(self)
if not m.startswith('_')
and (not m in self.illegal_methods)
and callable(getattr(self,m))
]
return dict([(f.__name__,
{'args':getargspec(f)[0],'doc':(f.__doc__ or '').strip()})
for f in methods])
def _add_proxy_methods(self):
methods = [getattr(proxy,m) for m in dir(proxy)
if not m.startswith('_')
and (not m in self.illegal_methods)
and callable(getattr(proxy,m))
]
for m in methods:
setattr(self,m.__name__,m)
#extra's:
def list_torrents(self):
return [get_torrent_status(torrent_id)
for torrent_id in ws.proxy.get_session_state()]
def simplify_torrent_status(self, torrent):
"""smaller subset and preformatted data for the treelist"""
data = {
"id":torrent.id,
"message":torrent.message,
"name":torrent.name,
"total_size":fsize(torrent.total_size),
"progress":torrent.progress,
"category":torrent.category,
"seeds":"",
"peers":"",
"download_rate":"",
"upload_rate":"",
"eta":"",
"distributed_copies":"",
"ratio":"",
"calc_state_str":torrent.calc_state_str,
"queue_pos":torrent.queue_pos
}
if torrent.total_seeds > 0:
data['seeds'] = "%s (%s)" % (torrent.num_seeds, torrent.total_seeds)
if torrent.total_peers > 0:
data['peers'] = "%s (%s)" % (torrent.num_peers, torrent.total_peers)
if torrent.download_rate > 0:
data['download_rate'] = fspeed(torrent.download_rate)
if torrent.upload_rate > 0:
data['upload_rate'] = fspeed(torrent.upload_rate)
if torrent.eta > 0:
data['eta'] = ("%.3f" % torrent.eta)
if torrent.distributed_copies > 0:
data['distributed_copies'] = "%.3f" % torrent.distributed_copies
if torrent.ratio > 0:
data['ratio'] = "%.3f" % torrent.ratio
return data
def update_ui(self, filter=None, category=None ,sort='name' ,order='down'):
"""
Combines the most important ui calls into 1 composite call.
xmlhttp requests are expensive,max 2 running at the same time.
and performance over the internet is mostly related to the number
of requests (low ping)
returns :
{torrent_list:[{},..],'categories':[],'filters':'','stats':{}}
"""
torrent_list = self.list_torrents();
filter_tabs, category_tabs = get_category_choosers(torrent_list)
#filter-state
if filter:
torrent_list = filter_torrent_state(torrent_list, filter)
#filter-cat
if category:
torrent_list = [t for t in torrent_list if t.category == category]
#sorting
if sort:
torrent_list.sort(key=attrgetter(sort))
if order == 'up':
torrent_list = reversed(torrent_list)
torrent_list = [self.simplify_torrent_status(t) for t in torrent_list]
return {
'torrent_list':torrent_list,
'categories':category_tabs,
'filters':filter_tabs,
'stats':get_stats()
}
if __name__ == '__main__':
from pprint import pprint
#proxy.set_core_uri('http://localhost:58846') #How to configure this?
j = json_api()
if True:
print 'list-methods:'
methods = j.list_methods()
names = methods.keys()
names.sort()
for name in names:
m = methods[name]
print "%s(%s)\n %s\n" % (name , m['args'] , m['doc'])
#j.GET('list_torrents')
j.POST('list_torrents')
|
Deluge
