mirror of
https://github.com/sqlalchemy/sqlalchemy.git
synced 2026-05-30 12:34:52 -04:00
Mike Bayer
fe250af8eb
the current state, not the "committed" state, of foreign and primary key attributes when issuing SQL, if a flush is not in process. Previously, only the database-committed state would be used. In particular, this would cause a many-to-one get()-on-lazyload operation to fail, as autoflush is not triggered on these loads when the attributes are determined and the "committed" state may not be available. [ticket:1910] - A new flag on relationship(), load_on_pending, allows the lazy loader to fire off on pending objects without a flush taking place, as well as a transient object that's been manually "attached" to the session. Note that this flag blocks attribute events from taking place when an object is loaded, so backrefs aren't available until after a flush. The flag is only intended for very specific use cases.
72 lines
1.9 KiB
Python
72 lines
1.9 KiB
Python
import sys
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sys.path = ['../../lib', './lib/'] + sys.path
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import os
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import re
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import doctest
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import sqlalchemy.util as util
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import sqlalchemy.log as salog
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import logging
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salog.default_enabled=True
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rootlogger = logging.getLogger('sqlalchemy')
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rootlogger.setLevel(logging.NOTSET)
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class MyStream(object):
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def write(self, string):
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sys.stdout.write(string)
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sys.stdout.flush()
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def flush(self):
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pass
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handler = logging.StreamHandler(MyStream())
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handler.setFormatter(logging.Formatter('%(message)s'))
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rootlogger.addHandler(handler)
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def teststring(s, name, globs=None, verbose=None, report=True,
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optionflags=0, extraglobs=None, raise_on_error=False,
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parser=doctest.DocTestParser()):
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from doctest import DebugRunner, DocTestRunner, master
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# Assemble the globals.
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if globs is None:
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globs = {}
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else:
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globs = globs.copy()
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if extraglobs is not None:
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globs.update(extraglobs)
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if raise_on_error:
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runner = DebugRunner(verbose=verbose, optionflags=optionflags)
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else:
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runner = DocTestRunner(verbose=verbose, optionflags=optionflags)
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test = parser.get_doctest(s, globs, name, name, 0)
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runner.run(test)
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if report:
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runner.summarize()
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if master is None:
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master = runner
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else:
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master.merge(runner)
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return runner.failures, runner.tries
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def replace_file(s, newfile):
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engine = r"'(sqlite|postgresql|mysql):///.*'"
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engine = re.compile(engine, re.MULTILINE)
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s, n = re.subn(engine, "'sqlite:///" + newfile + "'", s)
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if not n:
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raise ValueError("Couldn't find suitable create_engine call to replace '%s' in it" % oldfile)
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return s
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for filename in ('orm/tutorial', 'core/tutorial'):
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filename = '%s.rst' % filename
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s = open(filename).read()
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#s = replace_file(s, ':memory:')
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s = re.sub(r'{(?:stop|sql|opensql)}', '', s)
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teststring(s, filename)
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