text
stringlengths 0
828
|
---|
return ', '.join(placeholders)"
|
4711,"def make_file_object_logger(fh):
|
""""""
|
Make a logger that logs to the given file object.
|
""""""
|
def logger_func(stmt, args, fh=fh):
|
""""""
|
A logger that logs everything sent to a file object.
|
""""""
|
now = datetime.datetime.now()
|
six.print_(""Executing (%s):"" % now.isoformat(), file=fh)
|
six.print_(textwrap.dedent(stmt), file=fh)
|
six.print_(""Arguments:"", file=fh)
|
pprint.pprint(args, fh)
|
return logger_func"
|
4712,"def current(cls, with_exception=True):
|
""""""
|
Returns the current database context.
|
""""""
|
if with_exception and len(cls.stack) == 0:
|
raise NoContext()
|
return cls.stack.top()"
|
4713,"def transaction(self):
|
""""""
|
Sets up a context where all the statements within it are ran within
|
a single database transaction. For internal use only.
|
""""""
|
# The idea here is to fake the nesting of transactions. Only when
|
# we've gotten back to the topmost transaction context do we actually
|
# commit or rollback.
|
with self.mdr:
|
try:
|
self._depth += 1
|
yield self
|
self._depth -= 1
|
except self.mdr.OperationalError:
|
# We've lost the connection, so there's no sense in
|
# attempting to roll back back the transaction.
|
self._depth -= 1
|
raise
|
except:
|
self._depth -= 1
|
if self._depth == 0:
|
self.mdr.rollback()
|
raise
|
if self._depth == 0:
|
self.mdr.commit()"
|
4714,"def cursor(self):
|
""""""
|
Get a cursor for the current connection. For internal use only.
|
""""""
|
cursor = self.mdr.cursor()
|
with self.transaction():
|
try:
|
yield cursor
|
if cursor.rowcount != -1:
|
self.last_row_count = cursor.rowcount
|
self.last_row_id = getattr(cursor, 'lastrowid', None)
|
except:
|
self.last_row_count = None
|
self.last_row_id = None
|
_safe_close(cursor)
|
raise"
|
4715,"def execute(self, stmt, args):
|
""""""
|
Execute a statement, returning a cursor. For internal use only.
|
""""""
|
self.logger(stmt, args)
|
with self.cursor() as cursor:
|
cursor.execute(stmt, args)
|
return cursor"
|
4716,"def execute_proc(self, procname, args):
|
""""""
|
Execute a stored procedure, returning a cursor. For internal use
|
only.
|
""""""
|
self.logger(procname, args)
|
with self.cursor() as cursor:
|
cursor.callproc(procname, args)
|
return cursor"
|
4717,"def close(self):
|
""""""
|
Close the connection this context wraps.
|
""""""
|
self.logger = None
|
for exc in _EXCEPTIONS:
|
setattr(self, exc, None)
|
try:
|
self.mdr.close()
|
finally:
|
self.mdr = None"
|
4718,"def connect(self):
|
""""""
|
Returns a context that uses this pool as a connection source.
|
""""""
|
ctx = Context(self.module, self.create_mediator())
|
ctx.logger = self.logger
|
ctx.default_factory = self.default_factory
|
return ctx"
|
4719,"def close(self):
|
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