server/sqlutils.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Wed, 21 Apr 2010 16:53:47 +0200
branchstable
changeset 5368 d321e4b62a10
parent 5214 3285b6e3b930
child 5421 8167de96c523
permissions -rw-r--r--
[book] start documenting the HTML form system
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     1
"""SQL utilities functions and classes.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     2
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     3
:organization: Logilab
4212
ab6573088b4a update copyright: welcome 2010
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4195
diff changeset
     4
:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     5
: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: 1954
diff changeset
     6
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     7
"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     8
__docformat__ = "restructuredtext en"
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     9
2493
9806571ea790 major refactoring of database dump/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2396
diff changeset
    10
import os
4298
2ca56131079e enable cubicweb-ctl db-dump and db-restore on Windows with SQL Server
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 4212
diff changeset
    11
import subprocess
4719
aaed3f813ef8 kill dead/useless code as suggested by pylint
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4622
diff changeset
    12
from datetime import datetime, date
1016
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 0
diff changeset
    13
4849
3827b9ee77ac missing rename
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4848
diff changeset
    14
from logilab import database as db, common as lgc
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    15
from logilab.common.shellutils import ProgressBar
4466
8b0ca7904820 moved generic datetime manipulation function to lgc
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4436
diff changeset
    16
from logilab.common.date import todate, todatetime
4848
41f84eea63c9 rename logilab.db into logilab.database
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4831
diff changeset
    17
from logilab.database.sqlgen import SQLGenerator
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    18
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    19
from cubicweb import Binary, ConfigurationError
4023
eae23c40627a drop common subpackage
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3689
diff changeset
    20
from cubicweb.uilib import remove_html_tags
2596
d02eed70937f [R repo, schema] use VIRTUAL_RTYPES const
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2512
diff changeset
    21
from cubicweb.schema import PURE_VIRTUAL_RTYPES
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    22
from cubicweb.server import SQL_CONNECT_HOOKS
1132
96752791c2b6 pylint cleanup
sylvain.thenault@logilab.fr
parents: 1026
diff changeset
    23
from cubicweb.server.utils import crypt_password
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    24
from rql.utils import RQL_FUNCTIONS_REGISTRY
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    25
1783
b81f9761907c mx flag has moved
sylvain.thenault@logilab.fr
parents: 1619
diff changeset
    26
lgc.USE_MX_DATETIME = False
1251
af40e615dc89 introduce a 'cw_' prefix on entity table and column names so we don't conflict with sql or DBMS specific keywords
sylvain.thenault@logilab.fr
parents: 0
diff changeset
    27
SQL_PREFIX = 'cw_'
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    28
4353
7db69db4913c command may now officially be either a string or a list, don't make think it's for backward compat
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4342
diff changeset
    29
def _run_command(cmd):
4342
b4e186da08f2 handle lgc.adbh api changes within regards of backup/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4322
diff changeset
    30
    """backup/restore command are string w/ lgc < 0.47, lists with earlier versions
b4e186da08f2 handle lgc.adbh api changes within regards of backup/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4322
diff changeset
    31
    """
b4e186da08f2 handle lgc.adbh api changes within regards of backup/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4322
diff changeset
    32
    if isinstance(cmd, basestring):
4353
7db69db4913c command may now officially be either a string or a list, don't make think it's for backward compat
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4342
diff changeset
    33
        print '->', cmd
7db69db4913c command may now officially be either a string or a list, don't make think it's for backward compat
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4342
diff changeset
    34
        return subprocess.call(cmd, shell=True)
4342
b4e186da08f2 handle lgc.adbh api changes within regards of backup/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4322
diff changeset
    35
    print ' '.join(cmd)
b4e186da08f2 handle lgc.adbh api changes within regards of backup/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4322
diff changeset
    36
    return subprocess.call(cmd)
b4e186da08f2 handle lgc.adbh api changes within regards of backup/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4322
diff changeset
    37
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    38
3623
9b838e2d72bb avoid progress bar when test launched from apycot
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2759
diff changeset
    39
def sqlexec(sqlstmts, cursor_or_execute, withpb=not os.environ.get('APYCOT_ROOT'),
9b838e2d72bb avoid progress bar when test launched from apycot
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2759
diff changeset
    40
            pbtitle='', delimiter=';'):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    41
    """execute sql statements ignoring DROP/ CREATE GROUP or USER statements
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    42
    error. If a cnx is given, commit at each statement
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    43
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    44
    if hasattr(cursor_or_execute, 'execute'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    45
        execute = cursor_or_execute.execute
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    46
    else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    47
        execute = cursor_or_execute
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    48
    sqlstmts = sqlstmts.split(delimiter)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    49
    if withpb:
2396
8bfb99d7bbcc [cw-ctl] improve dialog messages
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 1977
diff changeset
    50
        pb = ProgressBar(len(sqlstmts), title=pbtitle)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    51
    for sql in sqlstmts:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    52
        sql = sql.strip()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    53
        if withpb:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    54
            pb.update()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    55
        if not sql:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    56
            continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    57
        # some dbapi modules doesn't accept unicode for sql string
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    58
        execute(str(sql))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    59
    if withpb:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    60
        print
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    61
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    62
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    63
def sqlgrants(schema, driver, user,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    64
              text_index=True, set_owner=True,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    65
              skip_relations=(), skip_entities=()):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    66
    """return sql to give all access privileges to the given user on the system
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    67
    schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    68
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    69
    from yams.schema2sql import grant_schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    70
    from cubicweb.server.sources import native
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    71
    output = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    72
    w = output.append
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    73
    w(native.grant_schema(user, set_owner))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    74
    w('')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    75
    if text_index:
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    76
        dbhelper = db.get_db_helper(driver)
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    77
        w(dbhelper.sql_grant_user_on_fti(user))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    78
        w('')
1251
af40e615dc89 introduce a 'cw_' prefix on entity table and column names so we don't conflict with sql or DBMS specific keywords
sylvain.thenault@logilab.fr
parents: 0
diff changeset
    79
    w(grant_schema(schema, user, set_owner, skip_entities=skip_entities, prefix=SQL_PREFIX))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    80
    return '\n'.join(output)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    81
1619
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
    82
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
    83
def sqlschema(schema, driver, text_index=True,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    84
              user=None, set_owner=False,
2596
d02eed70937f [R repo, schema] use VIRTUAL_RTYPES const
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2512
diff changeset
    85
              skip_relations=PURE_VIRTUAL_RTYPES, skip_entities=()):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    86
    """return the system sql schema, according to the given parameters"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    87
    from yams.schema2sql import schema2sql
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    88
    from cubicweb.server.sources import native
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    89
    if set_owner:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    90
        assert user, 'user is argument required when set_owner is true'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    91
    output = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    92
    w = output.append
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    93
    w(native.sql_schema(driver))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    94
    w('')
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
    95
    dbhelper = db.get_db_helper(driver)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    96
    if text_index:
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
    97
        w(dbhelper.sql_init_fti().replace(';', ';;'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    98
        w('')
1619
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
    99
    w(schema2sql(dbhelper, schema, prefix=SQL_PREFIX,
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
   100
                 skip_entities=skip_entities,
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
   101
                 skip_relations=skip_relations).replace(';', ';;'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   102
    if dbhelper.users_support and user:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   103
        w('')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   104
        w(sqlgrants(schema, driver, user, text_index, set_owner,
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
   105
                    skip_relations, skip_entities).replace(';', ';;'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   106
    return '\n'.join(output)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   107
1619
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
   108
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
   109
def sqldropschema(schema, driver, text_index=True,
2596
d02eed70937f [R repo, schema] use VIRTUAL_RTYPES const
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2512
diff changeset
   110
                  skip_relations=PURE_VIRTUAL_RTYPES, skip_entities=()):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   111
    """return the sql to drop the schema, according to the given parameters"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   112
    from yams.schema2sql import dropschema2sql
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   113
    from cubicweb.server.sources import native
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   114
    output = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   115
    w = output.append
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   116
    if text_index:
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   117
        dbhelper = db.get_db_helper(driver)
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   118
        w(dbhelper.sql_drop_fti())
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   119
        w('')
1251
af40e615dc89 introduce a 'cw_' prefix on entity table and column names so we don't conflict with sql or DBMS specific keywords
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   120
    w(dropschema2sql(schema, prefix=SQL_PREFIX,
1954
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1953
diff changeset
   121
                     skip_entities=skip_entities,
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1953
diff changeset
   122
                     skip_relations=skip_relations))
5214
3285b6e3b930 fix cwctl db-init -d on SQL Server
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5013
diff changeset
   123
    w('')
3285b6e3b930 fix cwctl db-init -d on SQL Server
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5013
diff changeset
   124
    w(native.sql_drop_schema(driver))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   125
    return '\n'.join(output)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   126
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   127
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   128
class SQLAdapterMixIn(object):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   129
    """Mixin for SQL data sources, getting a connection from a configuration
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   130
    dictionary and handling connection locking
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   131
    """
1619
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
   132
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   133
    def __init__(self, source_config):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   134
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   135
            self.dbdriver = source_config['db-driver'].lower()
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   136
            dbname = source_config['db-name']
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   137
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   138
            raise ConfigurationError('missing some expected entries in sources file')
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   139
        dbhost = source_config.get('db-host')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   140
        port = source_config.get('db-port')
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   141
        dbport = port and int(port) or None
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   142
        dbuser = source_config.get('db-user')
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   143
        dbpassword = source_config.get('db-password')
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   144
        dbencoding = source_config.get('db-encoding', 'UTF-8')
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   145
        dbextraargs = source_config.get('db-extra-arguments')
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   146
        self.dbhelper = db.get_db_helper(self.dbdriver)
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   147
        self.dbhelper.record_connection_info(dbname, dbhost, dbport, dbuser,
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   148
                                             dbpassword, dbextraargs,
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   149
                                             dbencoding)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   150
        self.sqlgen = SQLGenerator()
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   151
        # copy back some commonly accessed attributes
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   152
        dbapi_module = self.dbhelper.dbapi_module
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   153
        self.OperationalError = dbapi_module.OperationalError
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   154
        self.InterfaceError = dbapi_module.InterfaceError
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   155
        self._binary = dbapi_module.Binary
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   156
        self._process_value = dbapi_module.process_value
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   157
        self._dbencoding = dbencoding
1619
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
   158
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   159
    def get_connection(self):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   160
        """open and return a connection to the database"""
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   161
        return self.dbhelper.get_connection()
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   162
4893
15ae9a33a7f2 [db backup] fix name error in backup_to_file: we've to pass .confirm all along the chain as for restore
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4854
diff changeset
   163
    def backup_to_file(self, backupfile, confirm):
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   164
        for cmd in self.dbhelper.backup_commands(backupfile,
4342
b4e186da08f2 handle lgc.adbh api changes within regards of backup/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4322
diff changeset
   165
                                                 keepownership=False):
4353
7db69db4913c command may now officially be either a string or a list, don't make think it's for backward compat
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4342
diff changeset
   166
            if _run_command(cmd):
7db69db4913c command may now officially be either a string or a list, don't make think it's for backward compat
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4342
diff changeset
   167
                if not confirm('   [Failed] Continue anyway?', default='n'):
4342
b4e186da08f2 handle lgc.adbh api changes within regards of backup/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4322
diff changeset
   168
                    raise Exception('Failed command: %s' % cmd)
2493
9806571ea790 major refactoring of database dump/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2396
diff changeset
   169
9806571ea790 major refactoring of database dump/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2396
diff changeset
   170
    def restore_from_file(self, backupfile, confirm, drop=True):
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   171
        for cmd in self.dbhelper.restore_commands(backupfile,
4854
b06d2a3b27d9 logilab.db compat
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   172
                                                  keepownership=False,
2493
9806571ea790 major refactoring of database dump/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2396
diff changeset
   173
                                                  drop=drop):
4353
7db69db4913c command may now officially be either a string or a list, don't make think it's for backward compat
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4342
diff changeset
   174
            if _run_command(cmd):
7db69db4913c command may now officially be either a string or a list, don't make think it's for backward compat
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4342
diff changeset
   175
                if not confirm('   [Failed] Continue anyway?', default='n'):
4195
86dcaf6bb92f closes #601987
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4179
diff changeset
   176
                    raise Exception('Failed command: %s' % cmd)
2493
9806571ea790 major refactoring of database dump/restore:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2396
diff changeset
   177
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   178
    def merge_args(self, args, query_args):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   179
        if args is not None:
4474
55fe19813bb7 kill mx compat code (dropped since 3.2), more efficient merge_args implementation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4466
diff changeset
   180
            newargs = {}
55fe19813bb7 kill mx compat code (dropped since 3.2), more efficient merge_args implementation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4466
diff changeset
   181
            for key, val in args.iteritems():
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   182
                # convert cubicweb binary into db binary
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   183
                if isinstance(val, Binary):
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   184
                    val = self._binary(val.getvalue())
4474
55fe19813bb7 kill mx compat code (dropped since 3.2), more efficient merge_args implementation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4466
diff changeset
   185
                newargs[key] = val
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   186
            # should not collide
4474
55fe19813bb7 kill mx compat code (dropped since 3.2), more efficient merge_args implementation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4466
diff changeset
   187
            newargs.update(query_args)
55fe19813bb7 kill mx compat code (dropped since 3.2), more efficient merge_args implementation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4466
diff changeset
   188
            return newargs
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   189
        return query_args
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   190
5013
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   191
    def process_result(self, cursor, column_callbacks=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   192
        """return a list of CubicWeb compliant values from data in the given cursor
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   193
        """
5013
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   194
        # use two different implementations to avoid paying the price of
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   195
        # callback lookup for each *cell* in results when there is nothing to
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   196
        # lookup
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   197
        if not column_callbacks:
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   198
            return self._process_result(cursor)
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   199
        return self._cb_process_result(cursor, column_callbacks)
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   200
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   201
    def _process_result(self, cursor, column_callbacks=None):
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   202
        # begin bind to locals for optimization
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   203
        descr = cursor.description
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   204
        encoding = self._dbencoding
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   205
        process_value = self._process_value
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   206
        binary = Binary
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   207
        # /end
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   208
        results = cursor.fetchall()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   209
        for i, line in enumerate(results):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   210
            result = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   211
            for col, value in enumerate(line):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   212
                if value is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   213
                    result.append(value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   214
                    continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   215
                result.append(process_value(value, descr[col], encoding, binary))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   216
            results[i] = result
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   217
        return results
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   218
5013
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   219
    def _cb_process_result(self, cursor, column_callbacks):
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   220
        # begin bind to locals for optimization
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   221
        descr = cursor.description
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   222
        encoding = self._dbencoding
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   223
        process_value = self._process_value
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   224
        binary = Binary
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   225
        # /end
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   226
        results = cursor.fetchall()
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   227
        for i, line in enumerate(results):
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   228
            result = []
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   229
            for col, value in enumerate(line):
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   230
                if value is None:
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   231
                    result.append(value)
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   232
                    continue
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   233
                cbstack = column_callbacks.get(col, None)
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   234
                if cbstack is None:
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   235
                    value = process_value(value, descr[col], encoding, binary)
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   236
                else:
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   237
                    for cb in cbstack:
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   238
                        value = cb(self, value)
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   239
                result.append(value)
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   240
            results[i] = result
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   241
        return results
ad91f93bbb93 [source storage] refactor source sql generation and results handling to allow repository side callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4965
diff changeset
   242
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   243
    def preprocess_entity(self, entity):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   244
        """return a dictionary to use as extra argument to cursor.execute
1251
af40e615dc89 introduce a 'cw_' prefix on entity table and column names so we don't conflict with sql or DBMS specific keywords
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   245
        to insert/update an entity into a SQL database
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   246
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   247
        attrs = {}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   248
        eschema = entity.e_schema
4965
04543ed0bbdc [source] only consider edited_attributes in source.preprocess_entity()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4913
diff changeset
   249
        for attr in entity.edited_attributes:
04543ed0bbdc [source] only consider edited_attributes in source.preprocess_entity()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4913
diff changeset
   250
            value = entity[attr]
3689
deb13e88e037 follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3623
diff changeset
   251
            rschema = eschema.subjrels[attr]
deb13e88e037 follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3623
diff changeset
   252
            if rschema.final:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   253
                atype = str(entity.e_schema.destination(attr))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   254
                if atype == 'Boolean':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   255
                    value = self.dbhelper.boolean_value(value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   256
                elif atype == 'Password':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   257
                    # if value is a Binary instance, this mean we got it
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   258
                    # from a query result and so it is already encrypted
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   259
                    if isinstance(value, Binary):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   260
                        value = value.getvalue()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   261
                    else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   262
                        value = crypt_password(value)
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   263
                    value = self._binary(value)
1619
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
   264
                # XXX needed for sqlite but I don't think it is for other backends
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
   265
                elif atype == 'Datetime' and isinstance(value, date):
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
   266
                    value = todatetime(value)
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
   267
                elif atype == 'Date' and isinstance(value, datetime):
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
   268
                    value = todate(value)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   269
                elif isinstance(value, Binary):
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   270
                    value = self._binary(value.getvalue())
1251
af40e615dc89 introduce a 'cw_' prefix on entity table and column names so we don't conflict with sql or DBMS specific keywords
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   271
            attrs[SQL_PREFIX+str(attr)] = value
4965
04543ed0bbdc [source] only consider edited_attributes in source.preprocess_entity()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4913
diff changeset
   272
        attrs[SQL_PREFIX+'eid'] = entity.eid
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   273
        return attrs
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   274
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   275
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   276
from logging import getLogger
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   277
from cubicweb import set_log_methods
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   278
set_log_methods(SQLAdapterMixIn, getLogger('cubicweb.sqladapter'))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   279
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   280
def init_sqlite_connexion(cnx):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   281
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   282
    class group_concat(object):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   283
        def __init__(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   284
            self.values = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   285
        def step(self, value):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   286
            if value is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   287
                self.values.append(value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   288
        def finalize(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   289
            return ', '.join(self.values)
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   290
    cnx.create_aggregate("GROUP_CONCAT", 1, group_concat)
1619
e4845b54a704 force proper date/datetime according to type (necessary for sqlite at least)
sylvain.thenault@logilab.fr
parents: 1408
diff changeset
   291
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   292
    def _limit_size(text, maxsize, format='text/plain'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   293
        if len(text) < maxsize:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   294
            return text
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   295
        if format in ('text/html', 'text/xhtml', 'text/xml'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   296
            text = remove_html_tags(text)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   297
        if len(text) > maxsize:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   298
            text = text[:maxsize] + '...'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   299
        return text
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   300
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   301
    def limit_size3(text, format, maxsize):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   302
        return _limit_size(text, maxsize, format)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   303
    cnx.create_function("LIMIT_SIZE", 3, limit_size3)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   304
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   305
    def limit_size2(text, maxsize):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   306
        return _limit_size(text, maxsize)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   307
    cnx.create_function("TEXT_LIMIT_SIZE", 2, limit_size2)
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   308
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   309
    import yams.constraints
4831
c5aec27c1bf7 [repo] use logilab.db instead of lgc.adbh/lgc.db/lgc.sqlgen/indexer, test new date extranction functions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
   310
    yams.constraints.patch_sqlite_decimal()
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   311
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   312
sqlite_hooks = SQL_CONNECT_HOOKS.setdefault('sqlite', [])
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   313
sqlite_hooks.append(init_sqlite_connexion)