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        return v

     

       
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132
       
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class LegacyBlobModel(BaseModel):

     

       
133
       
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    """

     

       
134
       
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    Model for deprecated legacy blob format.

     

       
135
       
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136
       
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    This format is still found in some records but should not be written.

     

       
137
       
-
       
    """

     

       
138
       
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139
       
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    cid: str

     

       
140
       
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    """CID in string format (not link format)"""

     

       
141
       
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142
       
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    mimeType: str

     

       
143
       
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    """Content type of blob"""

     

       
144
       
-
       


     

       
145
       
-
       
    model_config = ConfigDict(arbitrary_types_allowed=True)

     

       
146
       
-
       


     

       
147
       
-
       
    @field_validator("mimeType")

     

       
148
       
-
       
    def validateMimeType(cls, v: str) -> str:

     

       
149
       
-
       
        """

     

       
150
       
-
       
        Validate that mimeType is not empty.

     

       
151
       
-
       


     

       
152
       
-
       
        Args:

     

       
153
       
-
       
            v: MIME type to validate

     

       
154
       
-
       


     

       
155
       
-
       
        Returns:

     

       
156
       
-
       
            Validated MIME type

     

       
157
       
-
       


     

       
158
       
-
       
        Raises:

     

       
159
       
-
       
            ValueError: If MIME type is empty

     

       
160
       
-
       
        """

     

       
161
       
-
       
        if not v:

     

       
162
       
-
       
            raise ValueError("MIME type cannot be empty")

     

       
163
       
-
       
        return v

     

       
164
       
-
       


     

       
165
       
-
       


     

       
166
       
 
       
class TypedDataModel(DataModel):

     

       
167
       
 
       
    """

     

       
168
       
 
       
    Model for AT Protocol data with type information.

     

···

       
129
       
 
       
        return v

     

       
130
       
 
       


     

       
131
       
 
       


     

       
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class TypedDataModel(DataModel):

     

       
133
       
 
       
    """

     

       
134
       
 
       
    Model for AT Protocol data with type information.