commit 7f623ad09866b6b0bb803b45c312134cf237c4fd · dwn.poxiao-labs.work/atpasser

+1 -1

README.md

···

       1
       -
       # ATPasser

     

       2
        
       

     

       3
        
       A simple library for the [Authenticated Transfer Protocol](https://atproto.com/specs/atp) (AT Protocol or atproto for short).

     

       4

···

       1
       +
       # ATPasser ╬<!

     

       2
        
       

     

       3
        
       A simple library for the [Authenticated Transfer Protocol](https://atproto.com/specs/atp) (AT Protocol or atproto for short).

     

       4

+137

src/atpasser/data/cbor.py

···

       1
       +
       from datetime import tzinfo

     

       2
       +
       import typing

     

       3
       +
       import cbor2

     

       4
       +
       import cid

     

       5
       +
       

     

       6
       +
       from .data import dataHook, Data

     

       7
       +
       

     

       8
       +
       

     

       9
       +
       def tagHook(decoder: cbor2.CBORDecoder, tag: cbor2.CBORTag, shareable_index=None):

     

       10
       +
           """

     

       11
       +
           A simple tag hook for CID support.

     

       12
       +
           """

     

       13
       +
           return cid.from_bytes(tag.value) if tag.tag == 42 else tag

     

       14
       +
       

     

       15
       +
       

     

       16
       +
       class CBOREncoder(cbor2.CBOREncoder):

     

       17
       +
           """

     

       18
       +
           Wrapper of cbor2.CBOREncoder.

     

       19
       +
           """

     

       20
       +
       

     

       21
       +
           def __init__(

     

       22
       +
               self,

     

       23
       +
               fp: typing.IO[bytes],

     

       24
       +
               datetime_as_timestamp: bool = False,

     

       25
       +
               timezone: tzinfo | None = None,

     

       26
       +
               value_sharing: bool = False,

     

       27
       +
               default: (

     

       28
       +
                   typing.Callable[[cbor2.CBOREncoder, typing.Any], typing.Any] | None

     

       29
       +
               ) = None,

     

       30
       +
               canonical: bool = False,

     

       31
       +
               date_as_datetime: bool = False,

     

       32
       +
               string_referencing: bool = False,

     

       33
       +
               indefinite_containers: bool = False,

     

       34
       +
           ):

     

       35
       +
               super().__init__(

     

       36
       +
                   fp,

     

       37
       +
                   datetime_as_timestamp,

     

       38
       +
                   timezone,

     

       39
       +
                   value_sharing,

     

       40
       +
                   default,

     

       41
       +
                   canonical,

     

       42
       +
                   date_as_datetime,

     

       43
       +
                   string_referencing,

     

       44
       +
                   indefinite_containers,

     

       45
       +
               )

     

       46
       +
       

     

       47
       +
           @cbor2.shareable_encoder

     

       48
       +
           def cidOrDataEncoder(self: cbor2.CBOREncoder, value: cid.CIDv0 | cid.CIDv1 | Data):

     

       49
       +
               """

     

       50
       +
               Encode CID or Data to CBOR Tag.

     

       51
       +
               """

     

       52
       +
               if isinstance(value, (cid.CIDv0, cid.CIDv1)):

     

       53
       +
                   self.encode(cbor2.CBORTag(42, value.encode()))

     

       54
       +
               elif isinstance(value, Data):

     

       55
       +
                   self.encode(value.data())

     

       56
       +
       

     

       57
       +
       

     

       58
       +
       def _cborObjectHook(decoder: cbor2.CBORDecoder, value):

     

       59
       +
           return dataHook(value)

     

       60
       +
       

     

       61
       +
       

     

       62
       +
       class CBORDecoder(cbor2.CBORDecoder):

     

       63
       +
           """

     

       64
       +
           Wrapper of cbor2.CBORDecoder.

     

       65
       +
           """

     

       66
       +
       

     

       67
       +
           def __init__(

     

       68
       +
               self,

     

       69
       +
               fp: typing.IO[bytes],

     

       70
       +
               tag_hook: (

     

       71
       +
                   typing.Callable[[cbor2.CBORDecoder, cbor2.CBORTag], typing.Any] | None

     

       72
       +
               ) = tagHook,

     

       73
       +
               object_hook: (

     

       74
       +
                   typing.Callable[

     

       75
       +
                       [cbor2.CBORDecoder, dict[typing.Any, typing.Any]], typing.Any

     

       76
       +
                   ]

     

       77
       +
                   | None

     

       78
       +
               ) = _cborObjectHook,

     

       79
       +
               str_errors: typing.Literal["strict", "error", "replace"] = "strict",

     

       80
       +
           ):

     

       81
       +
               super().__init__(fp, tag_hook, object_hook, str_errors)

     

       82
       +
       

     

       83
       +
       

     

       84
       +
       # Make things for CBOR again.

     

       85
       +
       

     

       86
       +
       from io import BytesIO

     

       87
       +
       

     

       88
       +
       

     

       89
       +
       def dumps(

     

       90
       +
           obj: object,

     

       91
       +
           datetime_as_timestamp: bool = False,

     

       92
       +
           timezone: tzinfo | None = None,

     

       93
       +
           value_sharing: bool = False,

     

       94
       +
           default: typing.Callable[[cbor2.CBOREncoder, typing.Any], typing.Any] | None = None,

     

       95
       +
           canonical: bool = False,

     

       96
       +
           date_as_datetime: bool = False,

     

       97
       +
           string_referencing: bool = False,

     

       98
       +
           indefinite_containers: bool = False,

     

       99
       +
       ) -> bytes:

     

       100
       +
           with BytesIO() as fp:

     

       101
       +
               CBOREncoder(

     

       102
       +
                   fp,

     

       103
       +
                   datetime_as_timestamp=datetime_as_timestamp,

     

       104
       +
                   timezone=timezone,

     

       105
       +
                   value_sharing=value_sharing,

     

       106
       +
                   default=default,

     

       107
       +
                   canonical=canonical,

     

       108
       +
                   date_as_datetime=date_as_datetime,

     

       109
       +
                   string_referencing=string_referencing,

     

       110
       +
                   indefinite_containers=indefinite_containers,

     

       111
       +
               ).encode(obj)

     

       112
       +
               return fp.getvalue()

     

       113
       +
       

     

       114
       +
       

     

       115
       +
       def dump(

     

       116
       +
           obj: object,

     

       117
       +
           fp: typing.IO[bytes],

     

       118
       +
           datetime_as_timestamp: bool = False,

     

       119
       +
           timezone: tzinfo | None = None,

     

       120
       +
           value_sharing: bool = False,

     

       121
       +
           default: typing.Callable[[cbor2.CBOREncoder, typing.Any], typing.Any] | None = None,

     

       122
       +
           canonical: bool = False,

     

       123
       +
           date_as_datetime: bool = False,

     

       124
       +
           string_referencing: bool = False,

     

       125
       +
           indefinite_containers: bool = False,

     

       126
       +
       ) -> None:

     

       127
       +
           CBOREncoder(

     

       128
       +
               fp,

     

       129
       +
               datetime_as_timestamp=datetime_as_timestamp,

     

       130
       +
               timezone=timezone,

     

       131
       +
               value_sharing=value_sharing,

     

       132
       +
               default=default,

     

       133
       +
               canonical=canonical,

     

       134
       +
               date_as_datetime=date_as_datetime,

     

       135
       +
               string_referencing=string_referencing,

     

       136
       +
               indefinite_containers=indefinite_containers,

     

       137
       +
           ).encode(obj)

+14 -5

src/atpasser/data/wrapper.py

···

       34
        
       # Screw it. I have to make 4 `json`-like functions.

     

       35
        
       

     

       36
        
       

     

       37
       -
       def _dataDecorator(func):

     

       38
        
           @functools.wraps(func)

     

       39
        
           def wrapper(obj, *args, **kwargs):

     

       40
        
               kwargs.setdefault("cls", DataEncoder)

     
···

       43
        
           return wrapper

     

       44
        
       

     

       45
        
       

     

       46
       -
       dump = _dataDecorator(json.dump)

     

       47
       -
       dumps = _dataDecorator(json.dumps)

     

       48
       -
       load = _dataDecorator(json.load)

     

       49
       -
       loads = _dataDecorator(json.loads)

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       50
        
       """

     

       51
        
       Wrapper of the JSON functions to support ATProto data.

     

       52
        
       """

···

       34
        
       # Screw it. I have to make 4 `json`-like functions.

     

       35
        
       

     

       36
        
       

     

       37
       +
       def _dataDecoratorForDump(func):

     

       38
        
           @functools.wraps(func)

     

       39
        
           def wrapper(obj, *args, **kwargs):

     

       40
        
               kwargs.setdefault("cls", DataEncoder)

     
···

       43
        
           return wrapper

     

       44
        
       

     

       45
        
       

     

       46
       +
       def _dataDecoratorForLoad(func):

     

       47
       +
           @functools.wraps(func)

     

       48
       +
           def wrapper(obj, *args, **kwargs):

     

       49
       +
               kwargs.setdefault("cls", DataDecoder)

     

       50
       +
               return func(obj, *args, **kwargs)

     

       51
       +
       

     

       52
       +
           return wrapper

     

       53
       +
       

     

       54
       +
       

     

       55
       +
       dump = _dataDecoratorForDump(json.dump)

     

       56
       +
       dumps = _dataDecoratorForDump(json.dumps)

     

       57
       +
       load = _dataDecoratorForLoad(json.load)

     

       58
       +
       loads = _dataDecoratorForLoad(json.loads)

     

       59
        
       """

     

       60
        
       Wrapper of the JSON functions to support ATProto data.

     

       61
        
       """