Пример #1
0
    def __init__(self, dsn, **kwargs):

        self.dsn = dsn
        self.status = consts.STATUS_SETUP
        self._encoding = None
        self._py_enc = None

        self._closed = 0
        self._cancel = ffi.NULL
        self._typecasts = {}
        self._tpc_xid = None
        self._notifies = []
        self._autocommit = False
        self._pgconn = None
        self._equote = False
        self._lock = threading.RLock()
        self.notices = []
        self.cursor_factory = None

        # The number of commits/rollbacks done so far
        self._mark = 0

        if 'async' in kwargs:
            self._async = kwargs.pop('async')
        elif 'async_' in kwargs:
            self._async = kwargs.pop('async_')
        else:
            self._async = False

        items = []
        items.extend([(k, v) for (k, v) in kwargs.items() if v is not None])

        if items:
            raise TypeError("'%s' is an invalid keyword argument" %
                            items[0][0])

        self._async_status = consts.ASYNC_DONE
        self._async_cursor = None

        self_ref = weakref.ref(self)
        self._notice_callback = ffi.callback(
            'void(void *, const char *)',
            lambda arg, message: self_ref()._process_notice(
                arg,
                ffi.string(message).decode(self_ref()._py_enc or 'utf-8',
                                           'replace')))

        if not self._async:
            self._connect_sync()
        else:
            self._connect_async()
Пример #2
0
    def __init__(self, dsn, **kwargs):

        self.dsn = dsn
        self.status = consts.STATUS_SETUP
        self._encoding = None
        self._py_enc = None

        self._closed = 0
        self._cancel = ffi.NULL
        self._typecasts = {}
        self._tpc_xid = None
        self._notifies = []
        self._autocommit = False
        self._pgconn = None
        self._equote = False
        self._lock = threading.RLock()
        self.notices = []
        self.cursor_factory = None

        # The number of commits/rollbacks done so far
        self._mark = 0

        if 'async' in kwargs:
            self._async = kwargs.pop('async')
        elif 'async_' in kwargs:
            self._async = kwargs.pop('async_')
        else:
            self._async = False

        items = []
        items.extend([(k, v) for (k, v) in kwargs.items() if v is not None])

        if items:
            raise TypeError("'%s' is an invalid keyword argument" % items[0][0])

        self._async_status = consts.ASYNC_DONE
        self._async_cursor = None

        self_ref = weakref.ref(self)
        self._notice_callback = ffi.callback(
            'void(void *, const char *)',
            lambda arg, message: self_ref()._process_notice(
                arg,
                ffi.string(message).decode(self_ref()._py_enc or 'utf-8', 'replace')))

        if not self._async:
            self._connect_sync()
        else:
            self._connect_async()
Пример #3
0
        self._pgconn = None
        self._equote = False
        self._lock = threading.RLock()
        self.notices = []
        self.cursor_factory = None

        # The number of commits/rollbacks done so far
        self._mark = 0

        self._async = async
        self._async_status = consts.ASYNC_DONE
        self._async_cursor = None

        self_ref = weakref.ref(self)
        self._notice_callback = ffi.callback(
            'void(void *, const char *)',
            lambda arg, message: self_ref()._process_notice(
                arg, bytes_to_ascii(ffi.string(message))))

        if not self._async:
            self._connect_sync()
        else:
            self._connect_async()

    def _connect_sync(self):
        self._pgconn = libpq.PQconnectdb(self.dsn.encode('utf-8'))
        if not self._pgconn:
            raise exceptions.OperationalError('PQconnectdb() failed')
        elif libpq.PQstatus(self._pgconn) == libpq.CONNECTION_BAD:
            raise self._create_exception()

        # Register notice processor
Пример #4
0
        self._equote = False
        self._lock = threading.RLock()
        self.notices = []
        self.cursor_factory = None

        # The number of commits/rollbacks done so far
        self._mark = 0

        self._async = async
        self._async_status = consts.ASYNC_DONE
        self._async_cursor = None

        self_ref = weakref.ref(self)
        self._notice_callback = ffi.callback(
            'void(void *, const char *)',
            lambda arg, message: self_ref()._process_notice(
                arg,
                ffi.string(message).decode(self_ref()._py_enc or 'utf-8',
                                           'replace')))

        if not self._async:
            self._connect_sync()
        else:
            self._connect_async()

    def _connect_sync(self):
        self._pgconn = libpq.PQconnectdb(self.dsn.encode('utf-8'))
        if not self._pgconn:
            raise exceptions.OperationalError('PQconnectdb() failed')
        elif libpq.PQstatus(self._pgconn) == libpq.CONNECTION_BAD:
            raise self._create_exception()