commit d83e382748d018143ac5e9238f1cc38049ba3ec4 · dwn.poxiao-labs.work/atpasser

src/atpasser/data/__init__.py

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       from .wrapper import *

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src/atpasser/data/data.py

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       import base64

     

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       from cid import CIDv0, CIDv1, cid, make_cid

     

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       import json

     

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       class Data:

     

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           """

     

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           A class representing data with "$type" key.

     

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           Attributes:

     

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               type (str): The type of the data.

     

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               json (str): Original object in JSON format.

     

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           """

     

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           def __init__(self, dataType: str, json: str = "{}") -> None:

     

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               """

     

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               Initalizes data object.

     

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               Parameters:

     

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                   type (str): The type of the data.

     

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                   json (str): Original object in JSON format.

     

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               """

     

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               self.type = dataType

     

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               self.json = json

     

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           def data(self):

     

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               """

     

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               Loads data as a Python-friendly format.

     

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               Returns:

     

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                   dict: Converted data from JSON object.

     

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               """

     

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               return json.loads(self.json, object_hook=dataHook)

     

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       def dataHook(data: dict):

     

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           """

     

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           Treated as `JSONDecoder`'s `object_hook`

     

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           Parameters:

     

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               data: data in format that `JSONDecoder` like ;)

     

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           """

     

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           if "$bytes" in data:

     

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               return base64.b64decode(data["$bytes"])

     

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           elif "$link" in data:

     

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               return make_cid(data["$link"])

     

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           elif "$type" in data:

     

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               dataType = data["$type"]

     

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               del data["$type"]

     

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               return Data(dataType, json.dumps(data))

     

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           else:

     

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               return data

     

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       def _convertDataToFakeJSON(data):

     

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           if isinstance(data, bytes):

     

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               return {"$bytes": base64.b64encode(data)}

     

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           elif isinstance(data, (CIDv0, CIDv1)):

     

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               return {"link": data.encode()}

     

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           elif isinstance(data, dict):

     

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               for item in data:

     

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                   data[item] = _convertDataToFakeJSON(data[item])

     

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           elif isinstance(data, (tuple, list, set)):

     

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               return [_convertDataToFakeJSON(item) for item in data]

     

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           else:

     

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               return data

     

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       class DataEncoder(json.JSONEncoder):

     

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           """

     

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           A superset of `JSONEncoder` to support ATProto data.

     

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           """

     

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           def default(self, o):

     

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               result = _convertDataToFakeJSON(o)

     

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               return super().default(result)

+52

src/atpasser/data/wrapper.py

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       from json import loads

     

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       from typing import Callable, Any

     

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       from .data import *

     

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       import functools

     

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       # Pyright did the whole job. Thank it.

     

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       class DataDecoder(json.JSONDecoder):

     

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           """

     

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           A superset of `JSONDecoder` to support ATProto data.

     

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           """

     

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           def __init__(

     

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               self,

     

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               *,

     

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               object_hook: Callable[[dict[str, Any]], Any] | None = dataHook,

     

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               parse_float: Callable[[str], Any] | None = None,

     

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               parse_int: Callable[[str], Any] | None = None,

     

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               parse_constant: Callable[[str], Any] | None = None,

     

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               strict: bool = True,

     

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               object_pairs_hook: Callable[[list[tuple[str, Any]]], Any] | None = None,

     

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           ) -> None:

     

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               super().__init__(

     

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                   object_hook=object_hook,

     

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                   parse_float=parse_float,

     

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                   parse_int=parse_int,

     

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                   parse_constant=parse_constant,

     

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                   strict=strict,

     

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                   object_pairs_hook=object_pairs_hook,

     

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               )

     

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

     

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       def _dataDecorator(func):

     

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           @functools.wraps(func)

     

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

     

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               kwargs.setdefault("cls", DataEncoder)

     

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

     

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           return wrapper

     

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       dump = _dataDecorator(json.dump)

     

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       dumps = _dataDecorator(json.dumps)

     

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       load = _dataDecorator(json.load)

     

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       loads = _dataDecorator(json.loads)

     

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       """

     

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       Wrapper of the JSON functions to support ATProto data.

     

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       """

-179

src/atpasser/dataFormatter/__init__.py

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       import base64  # Converts between Base64 and byte object

     

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       from cid import CIDv0, CIDv1, cid, make_cid  # Converts CID to/from object

     

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       import json

     

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       # JSON is a string, however we uses the term JSON for dicts which read

     

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       # directly using the json library itself, and data for dicts that are

     

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       # friendly to Python by implementing bytes and CID support *or* data with

     

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       # a type

     

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       class Data:

     

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           """

     

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           Data with a type.

     

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           """

     

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           def __init__(self, type: str, content: dict) -> None:

     

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               self.type = type

     

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               self.content = jsonToData(content)

     

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       def jsonToData(json):

     

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           """

     

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           Convert 'JSON' to 'data'

     

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           """

     

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           if isinstance(json, dict):

     

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               if "$bytes" in json:  # bytes shown as `$bytes` object in JSON

     

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                   bytesInB64 = json["$bytes"]

     

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                   return base64.b64decode(bytesInB64)

     

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               elif "$link" in json:  # CID link

     

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                   cidInString = json["$link"]

     

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                   return make_cid(cidInString)

     

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               elif "$type" in json:  # data have their lexicons

     

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                   type = json["$type"]

     

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                   del json["$type"]  # loop if we don't del

     

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                   return Data(type, json)

     

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               else:  # general dict

     

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                   result = {}

     

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                   for item in json:

     

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                       result[item] = jsonToData(json[item])

     

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                   return result

     

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           elif isinstance(json, (list, tuple, set)):  # only lists are valid

     

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               return [jsonToData(item) for item in json]

     

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           else:

     

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               return json

     

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       def dataToJson(data):

     

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           """

     

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           Convert 'data' to 'JSON'

     

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           """

     

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           if isinstance(data, bytes):  # bytes

     

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               return {"$bytes": base64.b64encode(data)}

     

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           elif isinstance(data, (CIDv0, CIDv1)):  # CID link

     

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               return {"$link": str(data)}

     

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           elif isinstance(data, dict):  # general dict

     

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               result = {}

     

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               for item in data:

     

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                   result[item] = dataToJson(data[item])

     

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               return result

     

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           elif isinstance(data, (list, tuple, set)):  # only lists are valid

     

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               return [dataToJson(item) for item in data]

     

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           else:

     

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               return data

     

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       # We should need a wrapper, converts REAL json TEXT/FILE to so-called data

     

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       def dump(

     

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           obj,

     

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           fp,

     

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           *w,

     

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           skipkeys=False,

     

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           ensure_ascii=True,

     

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           check_circular=True,

     

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           allow_nan=True,

     

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           cls=None,

     

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           indent=None,

     

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           separators=None,

     

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           default=None,

     

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           sort_keys=False,

     

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           **kw

     

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       ):

     

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           """

     

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           json.dump() like function which replaces json to data instead

     

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           """

     

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           json_result = dataToJson(obj)

     

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           json.dump(

     

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               json_result,

     

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               fp,

     

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               *w,

     

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               skipkeys=skipkeys,

     

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               ensure_ascii=ensure_ascii,

     

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               check_circular=check_circular,

     

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               allow_nan=allow_nan,

     

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               cls=cls,

     

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               indent=indent,

     

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               separators=separators,

     

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               default=default,

     

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               sort_keys=sort_keys,

     

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               **kw,

     

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           )

     

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       def dumps(

     

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           obj,

     

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           *w,

     

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           skipkeys=False,

     

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           ensure_ascii=True,

     

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           check_circular=True,

     

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           allow_nan=True,

     

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           cls=None,

     

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           indent=None,

     

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           separators=None,

     

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           default=None,

     

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           sort_keys=False,

     

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           **kw

     

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       ):

     

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           """

     

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           json.dumps() like function which replaces json to data instead

     

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           """

     

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           json_result = dataToJson(obj)

     

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           json.dumps(

     

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               json_result,

     

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               *w,

     

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               skipkeys=skipkeys,

     

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               ensure_ascii=ensure_ascii,

     

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               check_circular=check_circular,

     

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               allow_nan=allow_nan,

     

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               cls=cls,

     

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               indent=indent,

     

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               separators=separators,

     

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               default=default,

     

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               sort_keys=sort_keys,

     

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               **kw,

     

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           )

     

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       def load(

     

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           fp,

     

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           *w,

     

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           cls=None,

     

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           object_hook=None,

     

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           parse_float=None,

     

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           parse_int=None,

     

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           parse_constant=None,

     

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           object_pairs_hook=None,

     

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           **kw

     

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       ):

     

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           """

     

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           json.load() like function which replaces json to data instead

     

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           """

     

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           result = json.load(

     

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               fp,

     

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               *w,

     

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               cls=cls,

     

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               object_hook=object_hook,

     

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               parse_float=parse_float,

     

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               parse_int=parse_int,

     

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               parse_constant=parse_constant,

     

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               object_pairs_hook=object_pairs_hook,

     

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               **kw,

     

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           )

     

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           return jsonToData(result)

     

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       def loads(

     

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           s,

     

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           *w,

     

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           cls=None,

     

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           object_hook=None,

     

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           parse_float=None,

     

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           parse_int=None,

     

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           parse_constant=None,

     

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           object_pairs_hook=None,

     

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           **kw

     

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       ):

     

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           result = json.loads(s,*w,cls=cls,object_hook=object_hook,parse_float=parse_float,parse_int=parse_int,parse_constant=parse_constant,object_pairs_hook=object_pairs_hook,**kw)

     

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           return jsonToData(result)