author | Aurelien Campeas <aurelien.campeas@logilab.fr> |
Fri, 20 May 2011 19:27:00 +0200 | |
changeset 7415 | 777c47312bc7 |
parent 6765 | b922e3a817e9 |
child 7573 | c8f8762c986d |
permissions | -rw-r--r-- |
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# 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:
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2 |
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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3 |
# |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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4 |
# This file is part of CubicWeb. |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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5 |
# |
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proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5376
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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:
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|
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
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|
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:
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9 |
# any later version. |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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10 |
# |
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT |
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proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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12 |
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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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:
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14 |
# details. |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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15 |
# |
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proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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16 |
# You should have received a copy of the GNU Lesser General Public License along |
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# with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
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"""Some utilities for the CubicWeb server.""" |
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__docformat__ = "restructuredtext en" |
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import sys |
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import string |
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import logging |
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from threading import Timer, Thread |
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from getpass import getpass |
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from random import choice |
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from cubicweb.server import SOURCE_TYPES |
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try: |
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from crypt import crypt |
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except ImportError: |
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# crypt is not available (eg windows) |
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from cubicweb.md5crypt import crypt |
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def getsalt(chars=string.letters + string.digits): |
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"""generate a random 2-character 'salt'""" |
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return choice(chars) + choice(chars) |
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40 |
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41 |
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42 |
def crypt_password(passwd, salt=None): |
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"""return the encrypted password using the given salt or a generated one |
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""" |
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45 |
if passwd is None: |
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return None |
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if salt is None: |
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salt = getsalt() |
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return crypt(passwd, salt) |
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def cartesian_product(seqin): |
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53 |
"""returns a generator which returns the cartesian product of `seqin` |
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54 |
||
55 |
for more details, see : |
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56 |
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/302478 |
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""" |
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def rloop(seqin, comb): |
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"""recursive looping function""" |
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if seqin: # any more sequences to process? |
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for item in seqin[0]: |
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newcomb = comb + [item] # add next item to current combination |
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# call rloop w/ remaining seqs, newcomb |
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for item in rloop(seqin[1:], newcomb): |
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yield item # seqs and newcomb |
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else: # processing last sequence |
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yield comb # comb finished, add to list |
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return rloop(seqin, []) |
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def cleanup_solutions(rqlst, solutions): |
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for sol in solutions: |
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for vname in sol.keys(): |
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if not (vname in rqlst.defined_vars or vname in rqlst.aliases): |
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del sol[vname] |
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def eschema_eid(session, eschema): |
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"""get eid of the CWEType entity for the given yams type. You should use |
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this because when schema has been loaded from the file-system, not from the |
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database, (e.g. during tests), eschema.eid is not set. |
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""" |
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83 |
if eschema.eid is None: |
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84 |
eschema.eid = session.execute( |
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'Any X WHERE X is CWEType, X name %(name)s', |
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{'name': str(eschema)})[0][0] |
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return eschema.eid |
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88 |
|
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DEFAULT_MSG = 'we need a manager connection on the repository \ |
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(the server doesn\'t have to run, even should better not)' |
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def manager_userpasswd(user=None, msg=DEFAULT_MSG, confirm=False, |
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passwdmsg='password'): |
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if not user: |
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if msg: |
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print msg |
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while not user: |
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user = raw_input('login: ') |
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user = unicode(user, sys.stdin.encoding) |
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passwd = getpass('%s: ' % passwdmsg) |
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102 |
if confirm: |
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103 |
while True: |
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104 |
passwd2 = getpass('confirm password: ') |
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105 |
if passwd == passwd2: |
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106 |
break |
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107 |
print 'password doesn\'t match' |
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108 |
passwd = getpass('password: ') |
0 | 109 |
# XXX decode password using stdin encoding then encode it using appl'encoding |
110 |
return user, passwd |
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_MARKER=object() |
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114 |
def func_name(func): |
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name = getattr(func, '__name__', _MARKER) |
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if name is _MARKER: |
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name = getattr(func, 'func_name', _MARKER) |
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if name is _MARKER: |
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name = repr(func) |
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return name |
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0 | 122 |
class LoopTask(object): |
123 |
"""threaded task restarting itself once executed""" |
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def __init__(self, interval, func, args): |
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125 |
if interval <= 0: |
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126 |
raise ValueError('Loop task interval must be > 0 ' |
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'(current value: %f for %s)' % \ |
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(interval, func_name(func))) |
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self.interval = interval |
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def auto_restart_func(self=self, func=func, args=args): |
0 | 131 |
try: |
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132 |
func(*args) |
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133 |
except: |
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134 |
logger = logging.getLogger('cubicweb.repository') |
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parents:
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135 |
logger.exception('Unhandled exception in LoopTask %s', self.name) |
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fix ticket #1382716 (problem was actually more subtle than I originally thought)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
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136 |
raise |
0 | 137 |
finally: |
138 |
self.start() |
|
139 |
self.func = auto_restart_func |
|
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140 |
self.name = func_name(func) |
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141 |
|
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merge debug and info views
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142 |
def __str__(self): |
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143 |
return '%s (%s seconds)' % (self.name, self.interval) |
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144 |
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0 | 145 |
def start(self): |
146 |
self._t = Timer(self.interval, self.func) |
|
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147 |
self._t.setName('%s-%s[%d]' % (self._t.getName(), self.name, self.interval)) |
0 | 148 |
self._t.start() |
149 |
||
150 |
def cancel(self): |
|
151 |
self._t.cancel() |
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152 |
||
153 |
def join(self): |
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154 |
if self._t.isAlive(): |
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[repo] ensure thread is alive before calling .join. Closes #963580
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155 |
self._t.join() |
0 | 156 |
|
157 |
||
158 |
class RepoThread(Thread): |
|
159 |
"""subclass of thread so it auto remove itself from a given list once |
|
160 |
executed |
|
161 |
""" |
|
162 |
def __init__(self, target, running_threads): |
|
163 |
def auto_remove_func(self=self, func=target): |
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164 |
try: |
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165 |
func() |
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fix ticket #1382716 (problem was actually more subtle than I originally thought)
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parents:
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|
166 |
except: |
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Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
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167 |
logger = logging.getLogger('cubicweb.repository') |
b922e3a817e9
fix ticket #1382716 (problem was actually more subtle than I originally thought)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
6427
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changeset
|
168 |
logger.exception('Unhandled exception in RepoThread %s', self._name) |
b922e3a817e9
fix ticket #1382716 (problem was actually more subtle than I originally thought)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
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169 |
raise |
0 | 170 |
finally: |
171 |
self.running_threads.remove(self) |
|
1138
22f634977c95
make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents:
1134
diff
changeset
|
172 |
Thread.__init__(self, target=auto_remove_func) |
0 | 173 |
self.running_threads = running_threads |
6381
c9eed5037223
[repo threads] Add several safety when looking for a callable name.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
6128
diff
changeset
|
174 |
self._name = func_name(target) |
1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1138
diff
changeset
|
175 |
|
0 | 176 |
def start(self): |
177 |
self.running_threads.append(self) |
|
3585
cd437d24aa65
use daemon thread
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2708
diff
changeset
|
178 |
self.daemon = True |
0 | 179 |
Thread.start(self) |
180 |
||
5376
2c3f14bc2590
[python2.6] don't add a name property on Thread
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
5066
diff
changeset
|
181 |
def getName(self): |
0 | 182 |
return '%s(%s)' % (self._name, Thread.getName(self)) |