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# File Management
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File upload, management, and processing capabilities including support for assistants, fine-tuning, and batch operations.
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## Capabilities
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### File Operations
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```python { .api }
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class MainFiles:
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    def create(self, **kwargs): ...
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    def list(self, **kwargs): ...
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    def retrieve(self, **kwargs): ...
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    def delete(self, **kwargs): ...
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class Uploads:
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    def create(self, **kwargs): ...
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    parts: Parts
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class Parts:
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    def create(self, **kwargs): ...
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```
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## Usage Examples
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```python
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from portkey_ai import Portkey
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portkey = Portkey(
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    api_key="PORTKEY_API_KEY",
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    virtual_key="VIRTUAL_KEY"
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)
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# Upload file
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file_response = portkey.files.create(
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    file=open("document.pdf", "rb"),
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    purpose="assistants"
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)
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# List files
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files = portkey.files.list()
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# Delete file
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portkey.files.delete(file_response.id)
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```