server/utils.py
author Alexandre Fayolle <alexandre.fayolle@logilab.fr>
Sat, 29 May 2010 09:57:02 +0000
branchstable
changeset 5602 277b15d6d3ed
parent 5601 92cf309672ca
child 5606 61b28589d33f
permissions -rw-r--r--
forbid looping tasks with an interval of 0 This severly harm the server, and generally are the result of a baaad configuration file. We want to stop the server asap when this is detected to give people a chance to fix the configuration.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5421
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
     1
# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
     2
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
     3
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
     4
# This file is part of CubicWeb.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
     5
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
     6
# CubicWeb is free software: you can redistribute it and/or modify it under the
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
     7
# terms of the GNU Lesser General Public License as published by the Free
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
     8
# Software Foundation, either version 2.1 of the License, or (at your option)
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
     9
# any later version.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
    10
#
5424
8ecbcbff9777 replace logilab-common by CubicWeb in disclaimer
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5421
diff changeset
    11
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
5421
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
    12
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
    13
# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
    14
# details.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
    15
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
    16
# You should have received a copy of the GNU Lesser General Public License along
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5376
diff changeset
    17
# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    18
"""Some utilities for the CubicWeb server.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    19
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    20
"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    21
__docformat__ = "restructuredtext en"
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    22
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    23
import sys
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    24
import string
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    25
from threading import Timer, Thread
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    26
from getpass import getpass
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    27
from random import choice
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    28
2105
92ea410806fe refactor sources configuration, add source to sources when using a cube defining
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
    29
from logilab.common.configuration import Configuration
92ea410806fe refactor sources configuration, add source to sources when using a cube defining
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
    30
92ea410806fe refactor sources configuration, add source to sources when using a cube defining
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
    31
from cubicweb.server import SOURCE_TYPES
92ea410806fe refactor sources configuration, add source to sources when using a cube defining
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
    32
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    33
try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    34
    from crypt import crypt
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    35
except ImportError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    36
    # crypt is not available (eg windows)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    37
    from cubicweb.md5crypt import crypt
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    38
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    39
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    40
def getsalt(chars=string.letters + string.digits):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    41
    """generate a random 2-character 'salt'"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    42
    return choice(chars) + choice(chars)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    43
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    44
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    45
def crypt_password(passwd, salt=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    46
    """return the encrypted password using the given salt or a generated one
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    47
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    48
    if passwd is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    49
        return None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    50
    if salt is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    51
        salt = getsalt()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    52
    return crypt(passwd, salt)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    53
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    54
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    55
def cartesian_product(seqin):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    56
    """returns a generator which returns the cartesian product of `seqin`
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    57
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    58
    for more details, see :
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    59
    http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/302478
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    60
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    61
    def rloop(seqin, comb):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    62
        """recursive looping function"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    63
        if seqin:                   # any more sequences to process?
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    64
            for item in seqin[0]:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    65
                newcomb = comb + [item]     # add next item to current combination
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    66
                # call rloop w/ remaining seqs, newcomb
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1138
diff changeset
    67
                for item in rloop(seqin[1:], newcomb):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    68
                    yield item          # seqs and newcomb
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    69
        else:                           # processing last sequence
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    70
            yield comb                  # comb finished, add to list
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    71
    return rloop(seqin, [])
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    72
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    73
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    74
def cleanup_solutions(rqlst, solutions):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    75
    for sol in solutions:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    76
        for vname in sol.keys():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    77
            if not (vname in rqlst.defined_vars or vname in rqlst.aliases):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    78
                del sol[vname]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    79
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    80
5066
bf5cbc351e99 [repo] move eschema_eid function from hooks.metadata to server.utils
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4714
diff changeset
    81
def eschema_eid(session, eschema):
bf5cbc351e99 [repo] move eschema_eid function from hooks.metadata to server.utils
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4714
diff changeset
    82
    """get eid of the CWEType entity for the given yams type. You should use
bf5cbc351e99 [repo] move eschema_eid function from hooks.metadata to server.utils
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4714
diff changeset
    83
    this because when schema has been loaded from the file-system, not from the
bf5cbc351e99 [repo] move eschema_eid function from hooks.metadata to server.utils
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4714
diff changeset
    84
    database, (e.g. during tests), eschema.eid is not set.
bf5cbc351e99 [repo] move eschema_eid function from hooks.metadata to server.utils
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4714
diff changeset
    85
    """
bf5cbc351e99 [repo] move eschema_eid function from hooks.metadata to server.utils
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4714
diff changeset
    86
    if eschema.eid is None:
bf5cbc351e99 [repo] move eschema_eid function from hooks.metadata to server.utils
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4714
diff changeset
    87
        eschema.eid = session.execute(
bf5cbc351e99 [repo] move eschema_eid function from hooks.metadata to server.utils
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4714
diff changeset
    88
            'Any X WHERE X is CWEType, X name %(name)s',
bf5cbc351e99 [repo] move eschema_eid function from hooks.metadata to server.utils
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4714
diff changeset
    89
            {'name': str(eschema)})[0][0]
bf5cbc351e99 [repo] move eschema_eid function from hooks.metadata to server.utils
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4714
diff changeset
    90
    return eschema.eid
bf5cbc351e99 [repo] move eschema_eid function from hooks.metadata to server.utils
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4714
diff changeset
    91
bf5cbc351e99 [repo] move eschema_eid function from hooks.metadata to server.utils
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4714
diff changeset
    92
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    93
DEFAULT_MSG = 'we need a manager connection on the repository \
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    94
(the server doesn\'t have to run, even should better not)'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    95
1910
864aa3ea0db5 [server] refactor server.utils.manager_userpasswd
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1802
diff changeset
    96
def manager_userpasswd(user=None, msg=DEFAULT_MSG, confirm=False,
864aa3ea0db5 [server] refactor server.utils.manager_userpasswd
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1802
diff changeset
    97
                       passwdmsg='password'):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    98
    if not user:
3701
104b7c326172 check we've some message to display
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3585
diff changeset
    99
        if msg:
104b7c326172 check we've some message to display
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3585
diff changeset
   100
            print msg
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   101
        while not user:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   102
            user = raw_input('login: ')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   103
        user = unicode(user, sys.stdin.encoding)
1910
864aa3ea0db5 [server] refactor server.utils.manager_userpasswd
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1802
diff changeset
   104
    passwd = getpass('%s: ' % passwdmsg)
864aa3ea0db5 [server] refactor server.utils.manager_userpasswd
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1802
diff changeset
   105
    if confirm:
864aa3ea0db5 [server] refactor server.utils.manager_userpasswd
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1802
diff changeset
   106
        while True:
864aa3ea0db5 [server] refactor server.utils.manager_userpasswd
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1802
diff changeset
   107
            passwd2 = getpass('confirm password: ')
864aa3ea0db5 [server] refactor server.utils.manager_userpasswd
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1802
diff changeset
   108
            if passwd == passwd2:
864aa3ea0db5 [server] refactor server.utils.manager_userpasswd
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1802
diff changeset
   109
                break
864aa3ea0db5 [server] refactor server.utils.manager_userpasswd
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1802
diff changeset
   110
            print 'password doesn\'t match'
864aa3ea0db5 [server] refactor server.utils.manager_userpasswd
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1802
diff changeset
   111
            passwd = getpass('password: ')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   112
    # XXX decode password using stdin encoding then encode it using appl'encoding
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   113
    return user, passwd
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   114
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   115
2105
92ea410806fe refactor sources configuration, add source to sources when using a cube defining
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   116
def ask_source_config(sourcetype, inputlevel=0):
92ea410806fe refactor sources configuration, add source to sources when using a cube defining
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   117
    sconfig = Configuration(options=SOURCE_TYPES[sourcetype].options)
92ea410806fe refactor sources configuration, add source to sources when using a cube defining
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   118
    sconfig.adapter = sourcetype
92ea410806fe refactor sources configuration, add source to sources when using a cube defining
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   119
    sconfig.input_config(inputlevel=inputlevel)
92ea410806fe refactor sources configuration, add source to sources when using a cube defining
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   120
    return sconfig
92ea410806fe refactor sources configuration, add source to sources when using a cube defining
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   121
92ea410806fe refactor sources configuration, add source to sources when using a cube defining
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   122
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   123
class LoopTask(object):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   124
    """threaded task restarting itself once executed"""
2708
60d728bdcba5 allow to specify arbitrary argument when recording a looping task func
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2105
diff changeset
   125
    def __init__(self, interval, func, args):
5602
277b15d6d3ed forbid looping tasks with an interval of 0
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5601
diff changeset
   126
        if interval <= 0:
277b15d6d3ed forbid looping tasks with an interval of 0
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5601
diff changeset
   127
            raise ValueError('Loop task interval must be > 0 '
277b15d6d3ed forbid looping tasks with an interval of 0
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5601
diff changeset
   128
                             '(current value: %f for %s)' % \
277b15d6d3ed forbid looping tasks with an interval of 0
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5601
diff changeset
   129
                             (interval, func.__name__))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   130
        self.interval = interval
2708
60d728bdcba5 allow to specify arbitrary argument when recording a looping task func
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2105
diff changeset
   131
        def auto_restart_func(self=self, func=func, args=args):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   132
            try:
2708
60d728bdcba5 allow to specify arbitrary argument when recording a looping task func
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2105
diff changeset
   133
                func(*args)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   134
            finally:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   135
                self.start()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   136
        self.func = auto_restart_func
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   137
        self.name = func.__name__
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1138
diff changeset
   138
4714
fccda6dd91bf merge debug and info views
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4212
diff changeset
   139
    def __str__(self):
fccda6dd91bf merge debug and info views
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4212
diff changeset
   140
        return '%s (%s seconds)' % (self.name, self.interval)
fccda6dd91bf merge debug and info views
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4212
diff changeset
   141
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   142
    def start(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   143
        self._t = Timer(self.interval, self.func)
5601
92cf309672ca /siteinfo page: display information about the names of the running threads
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5424
diff changeset
   144
        self._t.setName('%s-%s[%d]' % (self._t.getName(), self.name, self.interval))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   145
        self._t.start()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   146
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   147
    def cancel(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   148
        self._t.cancel()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   149
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   150
    def join(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   151
        self._t.join()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   152
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   153
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   154
class RepoThread(Thread):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   155
    """subclass of thread so it auto remove itself from a given list once
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   156
    executed
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   157
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   158
    def __init__(self, target, running_threads):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   159
        def auto_remove_func(self=self, func=target):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   160
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   161
                func()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   162
            finally:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   163
                self.running_threads.remove(self)
1138
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 1134
diff changeset
   164
        Thread.__init__(self, target=auto_remove_func)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   165
        self.running_threads = running_threads
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   166
        self._name = target.__name__
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1138
diff changeset
   167
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   168
    def start(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   169
        self.running_threads.append(self)
3585
cd437d24aa65 use daemon thread
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2708
diff changeset
   170
        self.daemon = True
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   171
        Thread.start(self)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   172
5376
2c3f14bc2590 [python2.6] don't add a name property on Thread
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5066
diff changeset
   173
    def getName(self):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   174
        return '%s(%s)' % (self._name, Thread.getName(self))