diff options
Diffstat (limited to '.venv/lib/python3.12/site-packages/asyncpg/protocol/settings.pyx')
-rw-r--r-- | .venv/lib/python3.12/site-packages/asyncpg/protocol/settings.pyx | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/asyncpg/protocol/settings.pyx b/.venv/lib/python3.12/site-packages/asyncpg/protocol/settings.pyx new file mode 100644 index 00000000..8e6591b9 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/asyncpg/protocol/settings.pyx @@ -0,0 +1,106 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# <see AUTHORS file> +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from asyncpg import exceptions + + +@cython.final +cdef class ConnectionSettings(pgproto.CodecContext): + + def __cinit__(self, conn_key): + self._encoding = 'utf-8' + self._is_utf8 = True + self._settings = {} + self._codec = codecs.lookup('utf-8') + self._data_codecs = DataCodecConfig(conn_key) + + cdef add_setting(self, str name, str val): + self._settings[name] = val + if name == 'client_encoding': + py_enc = get_python_encoding(val) + self._codec = codecs.lookup(py_enc) + self._encoding = self._codec.name + self._is_utf8 = self._encoding == 'utf-8' + + cdef is_encoding_utf8(self): + return self._is_utf8 + + cpdef get_text_codec(self): + return self._codec + + cpdef inline register_data_types(self, types): + self._data_codecs.add_types(types) + + cpdef inline add_python_codec(self, typeoid, typename, typeschema, + typeinfos, typekind, encoder, decoder, + format): + cdef: + ServerDataFormat _format + ClientExchangeFormat xformat + + if format == 'binary': + _format = PG_FORMAT_BINARY + xformat = PG_XFORMAT_OBJECT + elif format == 'text': + _format = PG_FORMAT_TEXT + xformat = PG_XFORMAT_OBJECT + elif format == 'tuple': + _format = PG_FORMAT_ANY + xformat = PG_XFORMAT_TUPLE + else: + raise exceptions.InterfaceError( + 'invalid `format` argument, expected {}, got {!r}'.format( + "'text', 'binary' or 'tuple'", format + )) + + self._data_codecs.add_python_codec(typeoid, typename, typeschema, + typekind, typeinfos, + encoder, decoder, + _format, xformat) + + cpdef inline remove_python_codec(self, typeoid, typename, typeschema): + self._data_codecs.remove_python_codec(typeoid, typename, typeschema) + + cpdef inline clear_type_cache(self): + self._data_codecs.clear_type_cache() + + cpdef inline set_builtin_type_codec(self, typeoid, typename, typeschema, + typekind, alias_to, format): + cdef: + ServerDataFormat _format + + if format is None: + _format = PG_FORMAT_ANY + elif format == 'binary': + _format = PG_FORMAT_BINARY + elif format == 'text': + _format = PG_FORMAT_TEXT + else: + raise exceptions.InterfaceError( + 'invalid `format` argument, expected {}, got {!r}'.format( + "'text' or 'binary'", format + )) + + self._data_codecs.set_builtin_type_codec(typeoid, typename, typeschema, + typekind, alias_to, _format) + + cpdef inline Codec get_data_codec(self, uint32_t oid, + ServerDataFormat format=PG_FORMAT_ANY, + bint ignore_custom_codec=False): + return self._data_codecs.get_codec(oid, format, ignore_custom_codec) + + def __getattr__(self, name): + if not name.startswith('_'): + try: + return self._settings[name] + except KeyError: + raise AttributeError(name) from None + + return object.__getattribute__(self, name) + + def __repr__(self): + return '<ConnectionSettings {!r}>'.format(self._settings) |