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supysonic/cli.py
2014-03-02 18:31:32 +01:00

234 lines
9.0 KiB
Python
Executable File

#!/usr/bin/python
# coding: utf-8
# This file is part of Supysonic.
#
# Supysonic is a Python implementation of the Subsonic server API.
# Copyright (C) 2013, 2014 Alban 'spl0k' Féron
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sys, cmd, argparse, getpass, time
import config
class CLIParser(argparse.ArgumentParser):
def error(self, message):
self.print_usage(sys.stderr)
raise RuntimeError(message)
class CLI(cmd.Cmd):
prompt = "supysonic> "
def _make_do(self, command):
def method(obj, line):
try:
args = getattr(obj, command + '_parser').parse_args(line.split())
except RuntimeError, e:
print >>sys.stderr, e
return
if hasattr(obj.__class__, command + '_subparsers'):
try:
func = getattr(obj, '{}_{}'.format(command, args.action))
except AttributeError:
return obj.default(line)
return func(** { key: vars(args)[key] for key in vars(args) if key != 'action' })
else:
try:
func = getattr(obj, command)
except AttributeError:
return obj.default(line)
return func(**vars(args))
return method
def __init__(self):
cmd.Cmd.__init__(self)
# Generate do_* and help_* methods
for parser_name in filter(lambda attr: attr.endswith('_parser') and '_' not in attr[:-7], dir(self.__class__)):
command = parser_name[:-7]
if not hasattr(self.__class__, 'do_' + command):
setattr(self.__class__, 'do_' + command, self._make_do(command))
if hasattr(self.__class__, 'do_' + command) and not hasattr(self.__class__, 'help_' + command):
setattr(self.__class__, 'help_' + command, getattr(self.__class__, parser_name).print_help)
if hasattr(self.__class__, command + '_subparsers'):
for action, subparser in getattr(self.__class__, command + '_subparsers').choices.iteritems():
setattr(self, 'help_{} {}'.format(command, action), subparser.print_help)
def do_EOF(self, line):
return True
do_exit = do_EOF
def default(self, line):
print 'Unknown command %s' % line.split()[0]
self.do_help(None)
def postloop(self):
print
def completedefault(self, text, line, begidx, endidx):
command = line.split()[0]
parsers = getattr(self.__class__, command + '_subparsers', None)
if not parsers:
return []
num_words = len(line[len(command):begidx].split())
if num_words == 0:
return [ a for a in parsers.choices.keys() if a.startswith(text) ]
return []
folder_parser = CLIParser(prog = 'folder', add_help = False)
folder_subparsers = folder_parser.add_subparsers(dest = 'action')
folder_subparsers.add_parser('list', help = 'Lists folders', add_help = False)
folder_add_parser = folder_subparsers.add_parser('add', help = 'Adds a folder', add_help = False)
folder_add_parser.add_argument('name', help = 'Name of the folder to add')
folder_add_parser.add_argument('path', help = 'Path to the directory pointed by the folder')
folder_del_parser = folder_subparsers.add_parser('delete', help = 'Deletes a folder', add_help = False)
folder_del_parser.add_argument('name', help = 'Name of the folder to delete')
folder_scan_parser = folder_subparsers.add_parser('scan', help = 'Run a scan on specified folders', add_help = False)
folder_scan_parser.add_argument('folders', metavar = 'folder', nargs = '*', help = 'Folder(s) to be scanned. If ommitted, all folders are scanned')
def folder_list(self):
print 'Name\t\tPath\n----\t\t----'
print '\n'.join('{0: <16}{1}'.format(f.name, f.path) for f in db.Folder.query.filter(db.Folder.root == True))
def folder_add(self, name, path):
ret = FolderManager.add(name, path)
if ret != FolderManager.SUCCESS:
print FolderManager.error_str(ret)
else:
print "Folder '{}' added".format(name)
def folder_delete(self, name):
ret = FolderManager.delete_by_name(name)
if ret != FolderManager.SUCCESS:
print FolderManager.error_str(ret)
else:
print "Deleted folder '{}'".format(name)
def folder_scan(self, folders):
class TimedProgressDisplay:
def __init__(self, name, interval = 5):
self.__name = name
self.__interval = interval
self.__last_display = 0
def __call__(self, scanned, total):
if time.time() - self.__last_display > self.__interval or scanned == total:
print "Scanning '{0}': {1}% ({2}/{3})".format(self.__name, (scanned * 100) / total, scanned, total)
self.__last_display = time.time()
s = Scanner(db.session)
if folders:
folders = map(lambda n: db.Folder.query.filter(db.Folder.name == n and db.Folder.root == True).first() or n, folders)
if any(map(lambda f: isinstance(f, basestring), folders)):
print "No such folder(s): " + ' '.join(f for f in folders if isinstance(f, basestring))
for folder in filter(lambda f: isinstance(f, db.Folder), folders):
FolderManager.scan(folder.id, s, TimedProgressDisplay(folder.name))
else:
for folder in db.Folder.query.filter(db.Folder.root == True):
FolderManager.scan(folder.id, s, TimedProgressDisplay(folder.name))
added, deleted = s.stats()
db.session.commit()
print "Scanning done"
print 'Added: %i artists, %i albums, %i tracks' % (added[0], added[1], added[2])
print 'Deleted: %i artists, %i albums, %i tracks' % (deleted[0], deleted[1], deleted[2])
user_parser = CLIParser(prog = 'user', add_help = False)
user_subparsers = user_parser.add_subparsers(dest = 'action')
user_subparsers.add_parser('list', help = 'List users', add_help = False)
user_add_parser = user_subparsers.add_parser('add', help = 'Adds a user', add_help = False)
user_add_parser.add_argument('name', help = 'Name/login of the user to add')
user_add_parser.add_argument('-a', '--admin', action = 'store_true', help = 'Give admin rights to the new user')
user_add_parser.add_argument('-p', '--password', help = "Specifies the user's password")
user_add_parser.add_argument('-e', '--email', default = '', help = "Sets the user's email address")
user_del_parser = user_subparsers.add_parser('delete', help = 'Deletes a user', add_help = False)
user_del_parser.add_argument('name', help = 'Name/login of the user to delete')
user_admin_parser = user_subparsers.add_parser('setadmin', help = 'Enable/disable admin rights for a user', add_help = False)
user_admin_parser.add_argument('name', help = 'Name/login of the user to grant/revoke admin rights')
user_admin_parser.add_argument('--off', action = 'store_true', help = 'Revoke admin rights if present, grant them otherwise')
user_pass_parser = user_subparsers.add_parser('changepass', help = "Changes a user's password", add_help = False)
user_pass_parser.add_argument('name', help = 'Name/login of the user to which change the password')
user_pass_parser.add_argument('password', nargs = '?', help = 'New password')
def user_list(self):
print 'Name\t\tAdmin\tEmail\n----\t\t-----\t-----'
print '\n'.join('{0: <16}{1}\t{2}'.format(u.name, '*' if u.admin else '', u.mail) for u in db.User.query.all())
def user_add(self, name, admin, password, email):
if not password:
password = getpass.getpass()
confirm = getpass.getpass('Confirm password: ')
if password != confirm:
print >>sys.stderr, "Passwords don't match"
return
status = UserManager.add(name, password, email, admin)
if status != UserManager.SUCCESS:
print >>sys.stderr, UserManager.error_str(status)
def user_delete(self, name):
user = db.User.query.filter(db.User.name == name).first()
if not user:
print >>sys.stderr, 'No such user'
else:
db.session.delete(user)
db.session.commit()
print "User '{}' deleted".format(name)
def user_setadmin(self, name, off):
user = db.User.query.filter(db.User.name == name).first()
if not user:
print >>sys.stderr, 'No such user'
else:
user.admin = not off
db.session.commit()
print "{0} '{1}' admin rights".format('Revoked' if off else 'Granted', name)
def user_changepass(self, name, password):
if not password:
password = getpass.getpass()
confirm = getpass.getpass('Confirm password: ')
if password != confirm:
print >>sys.stderr, "Passwords don't match"
return
status = UserManager.change_password2(name, password)
if status != UserManager.SUCCESS:
print >>sys.stderr, UserManager.error_str(status)
else:
print "Successfully changed '{}' password".format(name)
if __name__ == "__main__":
if not config.check():
sys.exit(1)
import db
db.init_db()
from managers.folder import FolderManager
from managers.user import UserManager
from scanner import Scanner
if len(sys.argv) > 1:
CLI().onecmd(' '.join(sys.argv[1:]))
else:
CLI().cmdloop()