author | Julien Cristau <julien.cristau@logilab.fr> |
Mon, 17 Mar 2014 12:13:14 +0100 | |
changeset 9577 | c52441e4a3d7 |
parent 9543 | 39f981482e34 |
child 9664 | 5ef5494b6b0b |
permissions | -rw-r--r-- |
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# copyright 2010-2013 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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"""datafeed sources: copy data from an external data stream into the system |
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database |
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""" |
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import urllib2 |
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import StringIO |
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from os.path import exists |
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from datetime import datetime, timedelta |
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from base64 import b64decode |
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from cookielib import CookieJar |
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from lxml import etree |
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from cubicweb import RegistryNotFound, ObjectNotFound, ValidationError, UnknownEid |
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from cubicweb.server.repository import preprocess_inlined_relations |
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from cubicweb.server.sources import AbstractSource |
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from cubicweb.appobject import AppObject |
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class DataFeedSource(AbstractSource): |
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use_cwuri_as_url = True |
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|
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options = ( |
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('synchronize', |
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{'type' : 'yn', |
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'default': True, |
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'help': ('Is the repository responsible to automatically import ' |
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'content from this source? ' |
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'You should say yes unless you don\'t want this behaviour ' |
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'or if you use a multiple repositories setup, in which ' |
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'case you should say yes on one repository, no on others.'), |
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'group': 'datafeed-source', 'level': 2, |
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}), |
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('synchronization-interval', |
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{'type' : 'time', |
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'default': '5min', |
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'help': ('Interval in seconds between synchronization with the ' |
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'external source (default to 5 minutes, must be >= 1 min).'), |
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'group': 'datafeed-source', 'level': 2, |
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}), |
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('max-lock-lifetime', |
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{'type' : 'time', |
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'default': '1h', |
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'help': ('Maximum time allowed for a synchronization to be run. ' |
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'Exceeded that time, the synchronization will be considered ' |
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'as having failed and not properly released the lock, hence ' |
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'it won\'t be considered'), |
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'group': 'datafeed-source', 'level': 2, |
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}), |
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('delete-entities', |
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{'type' : 'yn', |
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'default': False, |
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'help': ('Should already imported entities not found anymore on the ' |
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'external source be deleted?'), |
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'group': 'datafeed-source', 'level': 2, |
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}), |
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('logs-lifetime', |
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{'type': 'time', |
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'default': '10d', |
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'help': ('Time before logs from datafeed imports are deleted.'), |
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'group': 'datafeed-source', 'level': 2, |
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}), |
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('http-timeout', |
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{'type': 'time', |
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'default': '1min', |
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'help': ('Timeout of HTTP GET requests, when synchronizing a source.'), |
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'group': 'datafeed-source', 'level': 2, |
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}), |
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) |
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def check_config(self, source_entity): |
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"""check configuration of source entity""" |
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typed_config = super(DataFeedSource, self).check_config(source_entity) |
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if typed_config['synchronization-interval'] < 60: |
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_ = source_entity._cw._ |
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msg = _('synchronization-interval must be greater than 1 minute') |
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raise ValidationError(source_entity.eid, {'config': msg}) |
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95 |
return typed_config |
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96 |
|
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97 |
def _entity_update(self, source_entity): |
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98 |
super(DataFeedSource, self)._entity_update(source_entity) |
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99 |
self.parser_id = source_entity.parser |
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100 |
self.latest_retrieval = source_entity.latest_retrieval |
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[repository] ldap-feed source. Closes #2086984
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|
101 |
|
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102 |
def update_config(self, source_entity, typed_config): |
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103 |
"""update configuration from source entity. `typed_config` is config |
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104 |
properly typed with defaults set |
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105 |
""" |
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106 |
super(DataFeedSource, self).update_config(source_entity, typed_config) |
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107 |
self.synchro_interval = timedelta(seconds=typed_config['synchronization-interval']) |
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108 |
self.max_lock_lifetime = timedelta(seconds=typed_config['max-lock-lifetime']) |
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109 |
self.http_timeout = typed_config['http-timeout'] |
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110 |
|
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111 |
def init(self, activated, source_entity): |
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112 |
super(DataFeedSource, self).init(activated, source_entity) |
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113 |
self.parser_id = source_entity.parser |
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114 |
self.load_mapping(source_entity._cw) |
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115 |
|
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116 |
def _get_parser(self, session, **kwargs): |
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117 |
return self.repo.vreg['parsers'].select( |
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118 |
self.parser_id, session, source=self, **kwargs) |
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119 |
|
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120 |
def load_mapping(self, session): |
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121 |
self.mapping = {} |
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122 |
self.mapping_idx = {} |
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123 |
try: |
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124 |
parser = self._get_parser(session) |
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125 |
except (RegistryNotFound, ObjectNotFound): |
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126 |
return # no parser yet, don't go further |
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127 |
self._load_mapping(session, parser=parser) |
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128 |
|
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|
129 |
def add_schema_config(self, schemacfg, checkonly=False, parser=None): |
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130 |
"""added CWSourceSchemaConfig, modify mapping accordingly""" |
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|
131 |
if parser is None: |
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132 |
parser = self._get_parser(schemacfg._cw) |
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133 |
parser.add_schema_config(schemacfg, checkonly) |
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134 |
|
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|
135 |
def del_schema_config(self, schemacfg, checkonly=False, parser=None): |
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|
136 |
"""deleted CWSourceSchemaConfig, modify mapping accordingly""" |
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|
137 |
if parser is None: |
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138 |
parser = self._get_parser(schemacfg._cw) |
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|
139 |
parser.del_schema_config(schemacfg, checkonly) |
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|
140 |
|
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|
141 |
def fresh(self): |
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|
142 |
if self.latest_retrieval is None: |
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|
143 |
return False |
7443
c10164464afc
[datafeed] we should use utc timestamp to avoid pb with local times
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|
144 |
return datetime.utcnow() < (self.latest_retrieval + self.synchro_interval) |
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|
145 |
|
7446
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[datafeed] extract some methods from pull_data to ease writing custom datafeed sources
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|
146 |
def update_latest_retrieval(self, session): |
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147 |
self.latest_retrieval = datetime.utcnow() |
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|
148 |
session.set_cnxset() |
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|
149 |
session.execute('SET X latest_retrieval %(date)s WHERE X eid %(x)s', |
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|
150 |
{'x': self.eid, 'date': self.latest_retrieval}) |
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|
151 |
session.commit() |
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|
152 |
|
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|
153 |
def acquire_synchronization_lock(self, session): |
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|
154 |
# XXX race condition until WHERE of SET queries is executed using |
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|
155 |
# 'SELECT FOR UPDATE' |
7921
a93e2ed5877a
[datafeed] add max-lifetime for concurrent synchronization lock (closes #1908676)
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parents:
7731
diff
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|
156 |
now = datetime.utcnow() |
8529
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|
157 |
session.set_cnxset() |
7933
b25dda2214a2
[datafeed] remove remaining uses of 'synchronizing' attribute replaced by 'in_synchronization' in 3.13.8. Closes #1989131
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parents:
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|
158 |
if not session.execute( |
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[datafeed] remove remaining uses of 'synchronizing' attribute replaced by 'in_synchronization' in 3.13.8. Closes #1989131
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|
159 |
'SET X in_synchronization %(now)s WHERE X eid %(x)s, ' |
b25dda2214a2
[datafeed] remove remaining uses of 'synchronizing' attribute replaced by 'in_synchronization' in 3.13.8. Closes #1989131
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|
160 |
'X in_synchronization NULL OR X in_synchronization < %(maxdt)s', |
b25dda2214a2
[datafeed] remove remaining uses of 'synchronizing' attribute replaced by 'in_synchronization' in 3.13.8. Closes #1989131
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|
161 |
{'x': self.eid, 'now': now, 'maxdt': now - self.max_lock_lifetime}): |
7456
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|
162 |
self.error('concurrent synchronization detected, skip pull') |
8529
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|
163 |
session.commit() |
7456
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|
164 |
return False |
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|
165 |
session.commit() |
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|
166 |
return True |
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|
167 |
|
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changeset
|
168 |
def release_synchronization_lock(self, session): |
7708
45be3a9debe6
[datafeed] for datafeed source, we don't want commit in extid2eid but explicitly handled by the source. Also, we should use 'safe' internal session
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|
169 |
session.set_cnxset() |
7933
b25dda2214a2
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|
170 |
session.execute('SET X in_synchronization NULL WHERE X eid %(x)s', |
7456
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|
171 |
{'x': self.eid}) |
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|
172 |
session.commit() |
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|
173 |
|
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ed66f236715d
fix _set_relation when no target eids, update datafeed source pull_data arguments to raise on error during tests
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parents:
7001
diff
changeset
|
174 |
def pull_data(self, session, force=False, raise_on_error=False): |
7456
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|
175 |
"""Launch synchronization of the source if needed. |
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|
176 |
|
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|
177 |
This method is responsible to handle commit/rollback on the given |
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|
178 |
session. |
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|
179 |
""" |
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|
180 |
if not force and self.fresh(): |
6972
12aa5cd81ce5
[datafeed] return empty dict when source is fresh avoid crash in the looping task because None returned
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|
181 |
return {} |
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|
182 |
if not self.acquire_synchronization_lock(session): |
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|
183 |
return {} |
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|
184 |
try: |
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185 |
with session.transaction(free_cnxset=False): |
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186 |
return self._pull_data(session, force, raise_on_error) |
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187 |
finally: |
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188 |
self.release_synchronization_lock(session) |
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189 |
|
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190 |
def _pull_data(self, session, force=False, raise_on_error=False): |
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191 |
importlog = self.init_import_log(session) |
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192 |
myuris = self.source_cwuris(session) |
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193 |
parser = self._get_parser(session, sourceuris=myuris, import_log=importlog) |
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194 |
if self.process_urls(parser, self.urls, raise_on_error): |
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Typo in comments and error messages
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195 |
self.warning("some error occurred, don't attempt to delete entities") |
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196 |
else: |
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197 |
parser.handle_deletion(self.config, session, myuris) |
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198 |
self.update_latest_retrieval(session) |
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199 |
stats = parser.stats |
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200 |
if stats.get('created'): |
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201 |
importlog.record_info('added %s entities' % len(stats['created'])) |
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202 |
if stats.get('updated'): |
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203 |
importlog.record_info('updated %s entities' % len(stats['updated'])) |
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204 |
session.set_cnxset() |
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205 |
importlog.write_log(session, end_timestamp=self.latest_retrieval) |
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206 |
session.commit() |
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207 |
return stats |
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208 |
|
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209 |
def process_urls(self, parser, urls, raise_on_error=False): |
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210 |
error = False |
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211 |
for url in urls: |
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212 |
self.info('pulling data from %s', url) |
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213 |
try: |
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214 |
if parser.process(url, raise_on_error): |
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215 |
error = True |
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216 |
except IOError as exc: |
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217 |
if raise_on_error: |
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218 |
raise |
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219 |
parser.import_log.record_error( |
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220 |
'could not pull data while processing %s: %s' |
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221 |
% (url, exc)) |
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222 |
error = True |
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223 |
except Exception as exc: |
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224 |
if raise_on_error: |
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225 |
raise |
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226 |
self.exception('error while processing %s: %s', |
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227 |
url, exc) |
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228 |
error = True |
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229 |
return error |
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230 |
|
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231 |
def before_entity_insertion(self, session, lid, etype, eid, sourceparams): |
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232 |
"""called by the repository when an eid has been attributed for an |
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233 |
entity stored here but the entity has not been inserted in the system |
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234 |
table yet. |
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235 |
|
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236 |
This method must return the an Entity instance representation of this |
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237 |
entity. |
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238 |
""" |
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239 |
entity = super(DataFeedSource, self).before_entity_insertion( |
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240 |
session, lid, etype, eid, sourceparams) |
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[datafeed] properly encode/decode external uri
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|
241 |
entity.cw_edited['cwuri'] = lid.decode('utf-8') |
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242 |
entity.cw_edited.set_defaults() |
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243 |
sourceparams['parser'].before_entity_copy(entity, sourceparams) |
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244 |
return entity |
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245 |
|
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246 |
def after_entity_insertion(self, session, lid, entity, sourceparams): |
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247 |
"""called by the repository after an entity stored here has been |
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248 |
inserted in the system table. |
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249 |
""" |
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|
250 |
relations = preprocess_inlined_relations(session, entity) |
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251 |
if session.is_hook_category_activated('integrity'): |
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252 |
entity.cw_edited.check(creation=True) |
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253 |
self.repo.system_source.add_entity(session, entity) |
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254 |
entity.cw_edited.saved = entity._cw_is_saved = True |
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255 |
sourceparams['parser'].after_entity_copy(entity, sourceparams) |
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256 |
# call hooks for inlined relations |
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257 |
call_hooks = self.repo.hm.call_hooks |
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|
258 |
if self.should_call_hooks: |
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259 |
for attr, value in relations: |
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260 |
call_hooks('before_add_relation', session, |
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|
261 |
eidfrom=entity.eid, rtype=attr, eidto=value) |
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|
262 |
call_hooks('after_add_relation', session, |
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263 |
eidfrom=entity.eid, rtype=attr, eidto=value) |
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264 |
|
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|
265 |
def source_cwuris(self, session): |
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266 |
sql = ('SELECT extid, eid, type FROM entities, cw_source_relation ' |
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267 |
'WHERE entities.eid=cw_source_relation.eid_from ' |
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268 |
'AND cw_source_relation.eid_to=%s' % self.eid) |
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|
269 |
return dict((b64decode(uri), (eid, type)) |
8429
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[ldapfeed] fix crash on sql cursor usage (closes #2380246)
Aurelien Campeas <aurelien.campeas@logilab.fr>
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|
270 |
for uri, eid, type in session.system_sql(sql).fetchall()) |
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271 |
|
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272 |
def init_import_log(self, session, **kwargs): |
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273 |
dataimport = session.create_entity('CWDataImport', cw_import_of=self, |
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274 |
start_timestamp=datetime.utcnow(), |
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275 |
**kwargs) |
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dataimport.init() |
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return dataimport |
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|
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279 |
|
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280 |
class DataFeedParser(AppObject): |
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281 |
__registry__ = 'parsers' |
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282 |
|
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283 |
def __init__(self, session, source, sourceuris=None, import_log=None, **kwargs): |
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284 |
super(DataFeedParser, self).__init__(session, **kwargs) |
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285 |
self.source = source |
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286 |
self.sourceuris = sourceuris |
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287 |
self.import_log = import_log |
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288 |
self.stats = {'created': set(), 'updated': set(), 'checked': set()} |
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289 |
|
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290 |
def normalize_url(self, url): |
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291 |
from cubicweb.sobjects import URL_MAPPING # available after registration |
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292 |
for mappedurl in URL_MAPPING: |
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293 |
if url.startswith(mappedurl): |
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294 |
return url.replace(mappedurl, URL_MAPPING[mappedurl], 1) |
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295 |
return url |
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296 |
|
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297 |
def add_schema_config(self, schemacfg, checkonly=False): |
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298 |
"""added CWSourceSchemaConfig, modify mapping accordingly""" |
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299 |
msg = schemacfg._cw._("this parser doesn't use a mapping") |
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300 |
raise ValidationError(schemacfg.eid, {None: msg}) |
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301 |
|
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302 |
def del_schema_config(self, schemacfg, checkonly=False): |
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303 |
"""deleted CWSourceSchemaConfig, modify mapping accordingly""" |
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304 |
msg = schemacfg._cw._("this parser doesn't use a mapping") |
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305 |
raise ValidationError(schemacfg.eid, {None: msg}) |
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306 |
|
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307 |
def extid2entity(self, uri, etype, **sourceparams): |
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308 |
"""return an entity for the given uri. May return None if it should be |
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309 |
skipped |
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310 |
""" |
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|
311 |
session = self._cw |
7534
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[datafeed, cw.xml] xml now carry entity's source information, interpreted at the other end so that for instance when an entity from elo is seen when importing cwo, it's properly marked as coming from elo source if one exists
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|
312 |
# if cwsource is specified and repository has a source with the same |
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313 |
# name, call extid2eid on that source so entity will be properly seen as |
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|
314 |
# coming from this source |
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d07cde311630
[datafeed] properly take care to cwsource=system in imported xml. Closes #1877017
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|
315 |
source_uri = sourceparams.pop('cwsource', None) |
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|
316 |
if source_uri is not None and source_uri != 'system': |
d07cde311630
[datafeed] properly take care to cwsource=system in imported xml. Closes #1877017
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|
317 |
source = session.repo.sources_by_uri.get(source_uri, self.source) |
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|
318 |
else: |
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|
319 |
source = self.source |
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|
320 |
sourceparams['parser'] = self |
7731
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[datafeed] properly encode/decode external uri
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parents:
7727
diff
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|
321 |
if isinstance(uri, unicode): |
48e78934a4e2
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|
322 |
uri = uri.encode('utf-8') |
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|
323 |
try: |
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|
324 |
eid = session.repo.extid2eid(source, str(uri), etype, session, |
7708
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[datafeed] for datafeed source, we don't want commit in extid2eid but explicitly handled by the source. Also, we should use 'safe' internal session
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|
325 |
complete=False, commit=False, |
7698
1c7411535c2d
[datafeed / fti] rather control a 'complete' parameter than setting empty attribute values
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|
326 |
sourceparams=sourceparams) |
8695
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[toward-py3k] rewrite to "except AnException as exc:" (part of #2711624)
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
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8694
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|
327 |
except ValidationError as ex: |
7950
99ae8c883ad3
[ms repository] when an exception is raised during extid2eid and no rollback is done, some manual cleanups have to be done (closes #1993420)
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|
328 |
# XXX use critical so they are seen during tests. Should consider |
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329 |
# raise_on_error instead? |
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|
330 |
self.source.critical('error while creating %s: %s', etype, ex) |
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|
331 |
self.import_log.record_error('error while creating %s: %s' |
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|
332 |
% (etype, ex)) |
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closes #1793991: [datafeed] error handling: log unexpected exceptions / don't stop on first validation error
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parents:
7552
diff
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|
333 |
return None |
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|
334 |
if eid < 0: |
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|
335 |
# entity has been moved away from its original source |
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|
336 |
# |
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|
337 |
# Don't give etype to entity_from_eid so we get UnknownEid if the |
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|
338 |
# entity has been removed |
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|
339 |
try: |
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|
340 |
entity = session.entity_from_eid(-eid) |
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|
341 |
except UnknownEid: |
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|
342 |
return None |
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|
343 |
self.notify_updated(entity) # avoid later update from the source's data |
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|
344 |
return entity |
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345 |
if self.sourceuris is not None: |
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346 |
self.sourceuris.pop(str(uri), None) |
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|
347 |
return session.entity_from_eid(eid, etype) |
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348 |
|
8409
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[datafeed] fix/finish cleanup started by auc in 8393:c25b96ae4f8a: parser.process prototytpe is (url, raise_on_error=False). Drop partialcommit argument which were never specified
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|
349 |
def process(self, url, raise_on_error=False): |
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350 |
"""main callback: process the url""" |
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|
351 |
raise NotImplementedError |
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352 |
|
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|
353 |
def before_entity_copy(self, entity, sourceparams): |
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354 |
raise NotImplementedError |
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355 |
|
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356 |
def after_entity_copy(self, entity, sourceparams): |
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357 |
self.stats['created'].add(entity.eid) |
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358 |
|
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|
359 |
def created_during_pull(self, entity): |
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360 |
return entity.eid in self.stats['created'] |
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361 |
|
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parents:
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|
362 |
def updated_during_pull(self, entity): |
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parents:
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363 |
return entity.eid in self.stats['updated'] |
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364 |
|
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parents:
diff
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|
365 |
def notify_updated(self, entity): |
ffda12be2e9f
[repository] #1460066: backport datafeed cube as cubicweb source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
366 |
return self.stats['updated'].add(entity.eid) |
7378
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
367 |
|
8435
5064b6e0d6f4
[datafeed] correctly distinguish checked/updated
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8434
diff
changeset
|
368 |
def notify_checked(self, entity): |
5064b6e0d6f4
[datafeed] correctly distinguish checked/updated
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8434
diff
changeset
|
369 |
return self.stats['checked'].add(entity.eid) |
5064b6e0d6f4
[datafeed] correctly distinguish checked/updated
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8434
diff
changeset
|
370 |
|
8187
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
371 |
def is_deleted(self, extid, etype, eid): |
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
372 |
"""return True if the entity of given external id, entity type and eid |
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
373 |
is actually deleted. Always return True by default, put more sensible |
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
374 |
stuff in sub-classes. |
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
375 |
""" |
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
376 |
return True |
7378
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
377 |
|
8430
5bee87a14bb1
fix ldap removal handling in ldapfeed (closes #2376625 and #2385133)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8429
diff
changeset
|
378 |
def handle_deletion(self, config, session, myuris): |
5bee87a14bb1
fix ldap removal handling in ldapfeed (closes #2376625 and #2385133)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8429
diff
changeset
|
379 |
if config['delete-entities'] and myuris: |
5bee87a14bb1
fix ldap removal handling in ldapfeed (closes #2376625 and #2385133)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8429
diff
changeset
|
380 |
byetype = {} |
5bee87a14bb1
fix ldap removal handling in ldapfeed (closes #2376625 and #2385133)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8429
diff
changeset
|
381 |
for extid, (eid, etype) in myuris.iteritems(): |
5bee87a14bb1
fix ldap removal handling in ldapfeed (closes #2376625 and #2385133)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8429
diff
changeset
|
382 |
if self.is_deleted(extid, etype, eid): |
5bee87a14bb1
fix ldap removal handling in ldapfeed (closes #2376625 and #2385133)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8429
diff
changeset
|
383 |
byetype.setdefault(etype, []).append(str(eid)) |
5bee87a14bb1
fix ldap removal handling in ldapfeed (closes #2376625 and #2385133)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8429
diff
changeset
|
384 |
for etype, eids in byetype.iteritems(): |
5bee87a14bb1
fix ldap removal handling in ldapfeed (closes #2376625 and #2385133)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8429
diff
changeset
|
385 |
self.warning('delete %s %s entities', len(eids), etype) |
8529
1daea1f433c9
[datafeed] make cnxset handling of datafeed source more robust
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8435
diff
changeset
|
386 |
session.set_cnxset() |
8430
5bee87a14bb1
fix ldap removal handling in ldapfeed (closes #2376625 and #2385133)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8429
diff
changeset
|
387 |
session.execute('DELETE %s X WHERE X eid IN (%s)' |
5bee87a14bb1
fix ldap removal handling in ldapfeed (closes #2376625 and #2385133)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8429
diff
changeset
|
388 |
% (etype, ','.join(eids))) |
8529
1daea1f433c9
[datafeed] make cnxset handling of datafeed source more robust
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8435
diff
changeset
|
389 |
session.commit() |
8430
5bee87a14bb1
fix ldap removal handling in ldapfeed (closes #2376625 and #2385133)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8429
diff
changeset
|
390 |
|
8188
1867e252e487
[repository] ldap-feed source. Closes #2086984
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8187
diff
changeset
|
391 |
def update_if_necessary(self, entity, attrs): |
1867e252e487
[repository] ldap-feed source. Closes #2086984
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8187
diff
changeset
|
392 |
entity.complete(tuple(attrs)) |
1867e252e487
[repository] ldap-feed source. Closes #2086984
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8187
diff
changeset
|
393 |
# check modification date and compare attribute values to only update |
1867e252e487
[repository] ldap-feed source. Closes #2086984
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8187
diff
changeset
|
394 |
# what's actually needed |
8435
5064b6e0d6f4
[datafeed] correctly distinguish checked/updated
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8434
diff
changeset
|
395 |
self.notify_checked(entity) |
8188
1867e252e487
[repository] ldap-feed source. Closes #2086984
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8187
diff
changeset
|
396 |
mdate = attrs.get('modification_date') |
1867e252e487
[repository] ldap-feed source. Closes #2086984
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8187
diff
changeset
|
397 |
if not mdate or mdate > entity.modification_date: |
1867e252e487
[repository] ldap-feed source. Closes #2086984
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8187
diff
changeset
|
398 |
attrs = dict( (k, v) for k, v in attrs.iteritems() |
1867e252e487
[repository] ldap-feed source. Closes #2086984
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8187
diff
changeset
|
399 |
if v != getattr(entity, k)) |
1867e252e487
[repository] ldap-feed source. Closes #2086984
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8187
diff
changeset
|
400 |
if attrs: |
8483
4ba11607d84a
[entity api] unify set_attributes / set_relations into a cw_set method. Closes #2423719
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8435
diff
changeset
|
401 |
entity.cw_set(**attrs) |
8434
39c5bb4dcc59
[ldapfeed] do not crash on ldap user deletion + pull + already deactivated users, cleanups (closes #2392933)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
8430
diff
changeset
|
402 |
self.notify_updated(entity) |
7378
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
403 |
|
8547
f23ac525ddd1
[datafeed] properly call hooks for inlined relations on entity creation. Closes #2481156
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8529
diff
changeset
|
404 |
|
7378
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
405 |
class DataFeedXMLParser(DataFeedParser): |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
406 |
|
8409
79534887943e
[datafeed] fix/finish cleanup started by auc in 8393:c25b96ae4f8a: parser.process prototytpe is (url, raise_on_error=False). Drop partialcommit argument which were never specified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8408
diff
changeset
|
407 |
def process(self, url, raise_on_error=False): |
7378
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
408 |
"""IDataFeedParser main entry point""" |
7447
d5705c9bbe82
don't crash if we can't fetch data or if xml is malformed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7446
diff
changeset
|
409 |
try: |
d5705c9bbe82
don't crash if we can't fetch data or if xml is malformed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7446
diff
changeset
|
410 |
parsed = self.parse(url) |
8695
358d8bed9626
[toward-py3k] rewrite to "except AnException as exc:" (part of #2711624)
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
8694
diff
changeset
|
411 |
except Exception as ex: |
7533
43835fbdf97d
[datafeed] actually raise on error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7527
diff
changeset
|
412 |
if raise_on_error: |
43835fbdf97d
[datafeed] actually raise on error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7527
diff
changeset
|
413 |
raise |
8069
4341fb713b14
[datafeed log]Â properly log errors catched at the source level
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8068
diff
changeset
|
414 |
self.import_log.record_error(str(ex)) |
7447
d5705c9bbe82
don't crash if we can't fetch data or if xml is malformed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7446
diff
changeset
|
415 |
return True |
7378
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
416 |
error = False |
8402
efafa1261477
[datafeed] allow the xml datafeed parser to work with client-side connections
Julien Cristau <julien.cristau@logilab.fr>
parents:
8069
diff
changeset
|
417 |
# Check whether self._cw is a session or a connection |
efafa1261477
[datafeed] allow the xml datafeed parser to work with client-side connections
Julien Cristau <julien.cristau@logilab.fr>
parents:
8069
diff
changeset
|
418 |
if getattr(self._cw, 'commit', None) is not None: |
efafa1261477
[datafeed] allow the xml datafeed parser to work with client-side connections
Julien Cristau <julien.cristau@logilab.fr>
parents:
8069
diff
changeset
|
419 |
commit = self._cw.commit |
efafa1261477
[datafeed] allow the xml datafeed parser to work with client-side connections
Julien Cristau <julien.cristau@logilab.fr>
parents:
8069
diff
changeset
|
420 |
set_cnxset = self._cw.set_cnxset |
efafa1261477
[datafeed] allow the xml datafeed parser to work with client-side connections
Julien Cristau <julien.cristau@logilab.fr>
parents:
8069
diff
changeset
|
421 |
rollback = self._cw.rollback |
efafa1261477
[datafeed] allow the xml datafeed parser to work with client-side connections
Julien Cristau <julien.cristau@logilab.fr>
parents:
8069
diff
changeset
|
422 |
else: |
efafa1261477
[datafeed] allow the xml datafeed parser to work with client-side connections
Julien Cristau <julien.cristau@logilab.fr>
parents:
8069
diff
changeset
|
423 |
commit = self._cw.cnx.commit |
efafa1261477
[datafeed] allow the xml datafeed parser to work with client-side connections
Julien Cristau <julien.cristau@logilab.fr>
parents:
8069
diff
changeset
|
424 |
set_cnxset = lambda: None |
efafa1261477
[datafeed] allow the xml datafeed parser to work with client-side connections
Julien Cristau <julien.cristau@logilab.fr>
parents:
8069
diff
changeset
|
425 |
rollback = self._cw.cnx.rollback |
7447
d5705c9bbe82
don't crash if we can't fetch data or if xml is malformed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7446
diff
changeset
|
426 |
for args in parsed: |
7378
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
427 |
try: |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
428 |
self.process_item(*args) |
8409
79534887943e
[datafeed] fix/finish cleanup started by auc in 8393:c25b96ae4f8a: parser.process prototytpe is (url, raise_on_error=False). Drop partialcommit argument which were never specified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8408
diff
changeset
|
429 |
# commit+set_cnxset instead of commit(free_cnxset=False) to let |
79534887943e
[datafeed] fix/finish cleanup started by auc in 8393:c25b96ae4f8a: parser.process prototytpe is (url, raise_on_error=False). Drop partialcommit argument which were never specified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8408
diff
changeset
|
430 |
# other a chance to get our connections set |
79534887943e
[datafeed] fix/finish cleanup started by auc in 8393:c25b96ae4f8a: parser.process prototytpe is (url, raise_on_error=False). Drop partialcommit argument which were never specified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8408
diff
changeset
|
431 |
commit() |
79534887943e
[datafeed] fix/finish cleanup started by auc in 8393:c25b96ae4f8a: parser.process prototytpe is (url, raise_on_error=False). Drop partialcommit argument which were never specified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8408
diff
changeset
|
432 |
set_cnxset() |
8695
358d8bed9626
[toward-py3k] rewrite to "except AnException as exc:" (part of #2711624)
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
8694
diff
changeset
|
433 |
except ValidationError as exc: |
7385
29f050e39b09
[datafeed] propagate raise_on_error to parser's process method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7379
diff
changeset
|
434 |
if raise_on_error: |
29f050e39b09
[datafeed] propagate raise_on_error to parser's process method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7379
diff
changeset
|
435 |
raise |
8409
79534887943e
[datafeed] fix/finish cleanup started by auc in 8393:c25b96ae4f8a: parser.process prototytpe is (url, raise_on_error=False). Drop partialcommit argument which were never specified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8408
diff
changeset
|
436 |
self.source.error('Skipping %s because of validation error %s' |
79534887943e
[datafeed] fix/finish cleanup started by auc in 8393:c25b96ae4f8a: parser.process prototytpe is (url, raise_on_error=False). Drop partialcommit argument which were never specified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8408
diff
changeset
|
437 |
% (args, exc)) |
79534887943e
[datafeed] fix/finish cleanup started by auc in 8393:c25b96ae4f8a: parser.process prototytpe is (url, raise_on_error=False). Drop partialcommit argument which were never specified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8408
diff
changeset
|
438 |
rollback() |
79534887943e
[datafeed] fix/finish cleanup started by auc in 8393:c25b96ae4f8a: parser.process prototytpe is (url, raise_on_error=False). Drop partialcommit argument which were never specified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8408
diff
changeset
|
439 |
set_cnxset() |
79534887943e
[datafeed] fix/finish cleanup started by auc in 8393:c25b96ae4f8a: parser.process prototytpe is (url, raise_on_error=False). Drop partialcommit argument which were never specified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8408
diff
changeset
|
440 |
error = True |
7378
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
441 |
return error |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
442 |
|
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
443 |
def parse(self, url): |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
444 |
if url.startswith('http'): |
8187
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
445 |
url = self.normalize_url(url) |
7378
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
446 |
self.source.info('GET %s', url) |
9224
5c6d6a9f4fc8
[datafeed] fix crash due to bad http_timeout handling. Closes #3096585
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
9182
diff
changeset
|
447 |
stream = _OPENER.open(url, timeout=self.source.http_timeout) |
7378
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
448 |
elif url.startswith('file://'): |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
449 |
stream = open(url[7:]) |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
450 |
else: |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
451 |
stream = StringIO.StringIO(url) |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
452 |
return self.parse_etree(etree.parse(stream).getroot()) |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
453 |
|
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
454 |
def parse_etree(self, document): |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
455 |
return [(document,)] |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
456 |
|
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
457 |
def process_item(self, *args): |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
458 |
raise NotImplementedError |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
459 |
|
8187
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
460 |
def is_deleted(self, extid, etype, eid): |
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
461 |
if extid.startswith('http'): |
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
462 |
try: |
9182
75493f6ca586
[datafeed] add a timeout config option (closes #2745677)
David Douard <david.douard@logilab.fr>
parents:
8695
diff
changeset
|
463 |
_OPENER.open(self.normalize_url(extid), # XXX HTTP HEAD request |
9224
5c6d6a9f4fc8
[datafeed] fix crash due to bad http_timeout handling. Closes #3096585
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
9182
diff
changeset
|
464 |
timeout=self.source.http_timeout) |
8695
358d8bed9626
[toward-py3k] rewrite to "except AnException as exc:" (part of #2711624)
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
8694
diff
changeset
|
465 |
except urllib2.HTTPError as ex: |
8187
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
466 |
if ex.code == 404: |
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
467 |
return True |
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
468 |
elif extid.startswith('file://'): |
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
469 |
return exists(extid[7:]) |
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
470 |
return False |
981f6e487788
[datafeed] set delete-entities=yes is now safer, by checking each entity actually seems deleted. Closes #2165381
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
8069
diff
changeset
|
471 |
|
7378
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
472 |
# use a cookie enabled opener to use session cookie if any |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
473 |
_OPENER = urllib2.build_opener() |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
474 |
try: |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
475 |
from logilab.common import urllib2ext |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
476 |
_OPENER.add_handler(urllib2ext.HTTPGssapiAuthHandler()) |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
477 |
except ImportError: # python-kerberos not available |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
478 |
pass |
86a1ae289f05
[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
7351
diff
changeset
|
479 |
_OPENER.add_handler(urllib2.HTTPCookieProcessor(CookieJar())) |