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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):