author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Wed, 25 Mar 2015 07:57:38 +0100 | |
changeset 10285 | d14db30b90d6 |
parent 10034 | 7d0acf9cb92a |
child 10309 | 35bf741203d6 |
permissions | -rw-r--r-- |
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# copyright 2003-2014 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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# |
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# This file is part of CubicWeb. |
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# |
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# CubicWeb is free software: you can redistribute it and/or modify it under the |
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# terms of the GNU Lesser General Public License as published by the Free |
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# Software Foundation, either version 2.1 of the License, or (at your option) |
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# any later version. |
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# |
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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# details. |
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# |
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# 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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"""Define server side service provided by cubicweb""" |
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import threading |
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from yams.schema import role_name |
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from cubicweb import ValidationError |
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from cubicweb.server import Service |
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from cubicweb.predicates import match_user_groups, match_kwargs |
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class StatsService(Service): |
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"""Return a dictionary containing some statistics about the repository |
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resources usage. |
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""" |
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__regid__ = 'repo_stats' |
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__select__ = match_user_groups('managers', 'users') |
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def call(self): |
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repo = self._cw.repo # Service are repo side only. |
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results = {} |
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querier = repo.querier |
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source = repo.system_source |
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for size, maxsize, hits, misses, title in ( |
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(len(querier._rql_cache), repo.config['rql-cache-size'], |
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querier.cache_hit, querier.cache_miss, 'rqlt_st'), |
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(len(source._cache), repo.config['rql-cache-size'], |
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source.cache_hit, source.cache_miss, 'sql'), |
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): |
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results['%s_cache_size' % title] = '%s / %s' % (size, maxsize) |
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results['%s_cache_hit' % title] = hits |
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results['%s_cache_miss' % title] = misses |
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results['%s_cache_hit_percent' % title] = (hits * 100) / (hits + misses) |
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results['type_source_cache_size'] = len(repo._type_source_cache) |
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results['extid_cache_size'] = len(repo._extid_cache) |
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results['sql_no_cache'] = repo.system_source.no_cache |
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results['nb_open_sessions'] = len(repo._sessions) |
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results['nb_active_threads'] = threading.activeCount() |
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looping_tasks = repo._tasks_manager._looping_tasks |
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results['looping_tasks'] = ', '.join(str(t) for t in looping_tasks) |
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results['available_cnxsets'] = repo._cnxsets_pool.qsize() |
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results['threads'] = ', '.join(sorted(str(t) for t in threading.enumerate())) |
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return results |
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class GcStatsService(Service): |
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"""Return a dictionary containing some statistics about the repository |
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resources usage. |
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""" |
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__regid__ = 'repo_gc_stats' |
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__select__ = match_user_groups('managers') |
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def call(self, nmax=20): |
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"""Return a dictionary containing some statistics about the repository |
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memory usage. |
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This is a public method, not requiring a session id. |
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nmax is the max number of (most) referenced object returned as |
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the 'referenced' result |
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""" |
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from cubicweb._gcdebug import gc_info |
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from cubicweb.appobject import AppObject |
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from cubicweb.rset import ResultSet |
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from cubicweb.dbapi import Connection, Cursor |
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from cubicweb.web.request import CubicWebRequestBase |
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from rql.stmts import Union |
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lookupclasses = (AppObject, |
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Union, ResultSet, |
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Connection, Cursor, |
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CubicWebRequestBase) |
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try: |
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from cubicweb.server.session import Session, InternalSession |
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lookupclasses += (InternalSession, Session) |
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except ImportError: |
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pass # no server part installed |
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96 |
results = {} |
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97 |
counters, ocounters, garbage = gc_info(lookupclasses, |
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98 |
viewreferrersclasses=()) |
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99 |
values = sorted(counters.iteritems(), key=lambda x: x[1], reverse=True) |
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100 |
results['lookupclasses'] = values |
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101 |
values = sorted(ocounters.iteritems(), key=lambda x: x[1], reverse=True)[:nmax] |
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102 |
results['referenced'] = values |
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103 |
results['unreachable'] = len(garbage) |
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104 |
return results |
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105 |
|
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106 |
|
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107 |
class RegisterUserService(Service): |
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108 |
"""check if a user with the given login exists, if not create it with the |
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109 |
given password. This service is designed to be used for anonymous |
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110 |
registration on public web sites. |
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111 |
|
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112 |
To use it, do: |
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113 |
with self.appli.repo.internal_cnx() as cnx: |
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114 |
cnx.call_service('register_user', |
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115 |
login=login, |
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116 |
password=password, |
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117 |
**cwuserkwargs) |
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118 |
""" |
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119 |
__regid__ = 'register_user' |
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120 |
__select__ = Service.__select__ & match_kwargs('login', 'password') |
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121 |
default_groups = ('users',) |
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122 |
|
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123 |
def call(self, login, password, email=None, groups=None, **cwuserkwargs): |
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124 |
cnx = self._cw |
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125 |
errmsg = cnx._('the value "%s" is already used, use another one') |
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126 |
|
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127 |
if (cnx.execute('CWUser X WHERE X login %(login)s', {'login': login}, |
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128 |
build_descr=False) |
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129 |
or cnx.execute('CWUser X WHERE X use_email C, C address %(login)s', |
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130 |
{'login': login}, build_descr=False)): |
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131 |
qname = role_name('login', 'subject') |
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132 |
raise ValidationError(None, {qname: errmsg % login}) |
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133 |
|
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134 |
if isinstance(password, unicode): |
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135 |
# password should *always* be utf8 encoded |
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136 |
password = password.encode('UTF8') |
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137 |
cwuserkwargs['login'] = login |
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138 |
cwuserkwargs['upassword'] = password |
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139 |
# we have to create the user |
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140 |
user = cnx.create_entity('CWUser', **cwuserkwargs) |
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141 |
if groups is None: |
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142 |
groups = self.default_groups |
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143 |
assert groups, "CWUsers must belong to at least one CWGroup" |
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144 |
group_names = ', '.join('%r' % group for group in groups) |
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145 |
cnx.execute('SET X in_group G WHERE X eid %%(x)s, G name IN (%s)' % group_names, |
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146 |
{'x': user.eid}) |
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147 |
|
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148 |
if email or '@' in login: |
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149 |
d = {'login': login, 'email': email or login} |
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150 |
if cnx.execute('EmailAddress X WHERE X address %(email)s', d, |
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151 |
build_descr=False): |
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152 |
qname = role_name('address', 'subject') |
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153 |
raise ValidationError(None, {qname: errmsg % d['email']}) |
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154 |
cnx.execute('INSERT EmailAddress X: X address %(email)s, ' |
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155 |
'U primary_email X, U use_email X ' |
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156 |
'WHERE U login %(login)s', d, build_descr=False) |
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157 |
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158 |
return user |