author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Thu, 25 Mar 2010 14:49:24 +0100 | |
branch | stable |
changeset 5018 | 2f2d9bc6dca4 |
parent 4252 | 6c4f109c2b03 |
child 5421 | 8167de96c523 |
permissions | -rw-r--r-- |
0 | 1 |
"""cubicweb on google appengine |
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:organization: Logilab |
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ab6573088b4a
update copyright: welcome 2010
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
3689
diff
changeset
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:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2. |
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr |
1977
606923dff11b
big bunch of copyright / docstring update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1802
diff
changeset
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses |
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""" |
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__docformat__ = "restructuredtext en" |
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try: |
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# WARNING: do not import the google's db module here since it will take |
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# precedence over our own db submodule |
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from google.appengine.api.datastore import Key, Get, Query |
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from google.appengine.api.datastore_errors import BadKeyError |
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except ImportError: |
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# not in google app environment |
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pass |
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else: |
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1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1133
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import os |
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_SS = os.environ.get('SERVER_SOFTWARE') |
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if _SS is None: |
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MODE = 'test' |
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elif _SS.startswith('Dev'): |
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MODE = 'dev' |
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else: |
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MODE = 'prod' |
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from cubicweb.server import SOURCE_TYPES |
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from cubicweb.goa.gaesource import GAESource |
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SOURCE_TYPES['gae'] = GAESource |
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1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1133
diff
changeset
|
34 |
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def do_monkey_patch(): |
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# monkey patch yams Bytes validator since it should take a bytes string with gae |
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# and not a StringIO |
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def check_bytes(eschema, value): |
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"""check value is a bytes string""" |
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return isinstance(value, str) |
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from yams import constraints |
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constraints.BASE_CHECKERS['Bytes'] = check_bytes |
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def rql_for_eid(eid): |
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return 'Any X WHERE X eid "%s"' % eid |
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4023
eae23c40627a
drop common subpackage
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3689
diff
changeset
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from cubicweb import uilib |
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uilib.rql_for_eid = rql_for_eid |
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def typed_eid(eid): |
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try: |
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return str(Key(eid)) |
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except BadKeyError: |
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raise ValueError(eid) |
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import cubicweb |
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cubicweb.typed_eid = typed_eid |
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# XXX monkey patch cubicweb.schema.CubicWebSchema to have string eid with |
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# optional cardinality (since eid is set after the validation) |
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1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1133
diff
changeset
|
60 |
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0 | 61 |
import re |
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from yams import buildobjs as ybo |
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1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1133
diff
changeset
|
63 |
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def add_entity_type(self, edef): |
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edef.name = edef.name.encode() |
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assert re.match(r'[A-Z][A-Za-z0-9]*[a-z]+[0-9]*$', edef.name), repr(edef.name) |
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eschema = super(CubicWebSchema, self).add_entity_type(edef) |
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3689
deb13e88e037
follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2101
diff
changeset
|
68 |
if not eschema.final: |
1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1133
diff
changeset
|
69 |
# automatically add the eid relation to non final entity types |
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rdef = ybo.RelationDefinition(eschema.type, 'eid', 'Bytes', |
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cardinality='?1', uid=True) |
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self.add_relation_def(rdef) |
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rdef = ybo.RelationDefinition(eschema.type, 'identity', eschema.type) |
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self.add_relation_def(rdef) |
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self._eid_index[eschema.eid] = eschema |
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return eschema |
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1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1133
diff
changeset
|
77 |
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0 | 78 |
from cubicweb.schema import CubicWebSchema |
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CubicWebSchema.add_entity_type = add_entity_type |
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# don't reset vreg on repository set_schema |
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from cubicweb.server import repository |
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orig_set_schema = repository.Repository.set_schema |
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def set_schema(self, schema, resetvreg=True): |
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orig_set_schema(self, schema, False) |
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repository.Repository.set_schema = set_schema |
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# deactivate function ensuring relation cardinality consistency |
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repository.del_existing_rel_if_needed = lambda *args: None |
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def get_cubes(self): |
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"""return the list of top level cubes used by this instance""" |
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config = self.config |
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cubes = config['included-cubes'] + config['included-yams-cubes'] |
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return config.expand_cubes(cubes) |
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repository.Repository.get_cubes = get_cubes |
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1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1133
diff
changeset
|
97 |
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from rql import RQLHelper |
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RQLHelper.simplify = lambda x, r: None |
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# activate entity caching on the server side |
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def set_entity_cache(self, entity): |
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2101
08003e0354a7
update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
104 |
self.transaction_data.setdefault('_eid_cache', {})[entity.eid] = entity |
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def entity_cache(self, eid): |
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2101
08003e0354a7
update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
107 |
return self.transaction_data['_eid_cache'][eid] |
0 | 108 |
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def drop_entity_cache(self, eid=None): |
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if eid is None: |
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2101
08003e0354a7
update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
111 |
self.transaction_data['_eid_cache'] = {} |
08003e0354a7
update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
112 |
elif '_eid_cache' in self.transaction_data: |
08003e0354a7
update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
113 |
self.transaction_data['_eid_cache'].pop(eid, None) |
0 | 114 |
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def datastore_get(self, key): |
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if isinstance(key, basestring): |
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key = Key(key) |
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try: |
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2101
08003e0354a7
update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
119 |
gentity = self.transaction_data['_key_cache'][key] |
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#self.critical('cached %s', gentity) |
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except KeyError: |
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gentity = Get(key) |
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#self.critical('Get %s', gentity) |
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2101
08003e0354a7
update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
124 |
self.transaction_data.setdefault('_key_cache', {})[key] = gentity |
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return gentity |
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def clear_datastore_cache(self, key=None): |
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if key is None: |
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2101
08003e0354a7
update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
129 |
self.transaction_data['_key_cache'] = {} |
0 | 130 |
else: |
131 |
if isinstance(key, basestring): |
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key = Key(key) |
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2101
08003e0354a7
update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
133 |
self.transaction_data['_key_cache'].pop(key, None) |
0 | 134 |
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from cubicweb.server.session import Session |
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Session.set_entity_cache = set_entity_cache |
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Session.entity_cache = entity_cache |
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Session.drop_entity_cache = drop_entity_cache |
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Session.datastore_get = datastore_get |
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Session.clear_datastore_cache = clear_datastore_cache |
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from docutils.frontend import OptionParser |
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# avoid a call to expanduser which is not available under gae |
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def get_standard_config_files(self): |
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return self.standard_config_files |
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OptionParser.get_standard_config_files = get_standard_config_files |