{
  "module": "mail_intake.parsers.headers",
  "content": {
    "path": "mail_intake.parsers.headers",
    "docstring": "# Summary\n\nMessage header parsing utilities for Mail Intake.\n\nThis module provides helper functions for normalizing and extracting\nuseful information from provider-native message headers.\n\nThe functions here are intentionally simple and tolerant of malformed\nor incomplete header data.",
    "objects": {
      "Dict": {
        "name": "Dict",
        "kind": "alias",
        "path": "mail_intake.parsers.headers.Dict",
        "signature": "<bound method Alias.signature of Alias('Dict', 'typing.Dict')>",
        "docstring": null
      },
      "List": {
        "name": "List",
        "kind": "alias",
        "path": "mail_intake.parsers.headers.List",
        "signature": "<bound method Alias.signature of Alias('List', 'typing.List')>",
        "docstring": null
      },
      "Tuple": {
        "name": "Tuple",
        "kind": "alias",
        "path": "mail_intake.parsers.headers.Tuple",
        "signature": "<bound method Alias.signature of Alias('Tuple', 'typing.Tuple')>",
        "docstring": null
      },
      "Optional": {
        "name": "Optional",
        "kind": "alias",
        "path": "mail_intake.parsers.headers.Optional",
        "signature": "<bound method Alias.signature of Alias('Optional', 'typing.Optional')>",
        "docstring": null
      },
      "parse_headers": {
        "name": "parse_headers",
        "kind": "function",
        "path": "mail_intake.parsers.headers.parse_headers",
        "signature": "<bound method Function.signature of Function('parse_headers', 16, 64)>",
        "docstring": "Convert a list of Gmail-style headers into a normalized dict.\n\nArgs:\n    raw_headers (List[Dict[str, str]]):\n        List of header dictionaries, each containing `name` and `value` keys.\n\nReturns:\n    Dict[str, str]:\n        Dictionary mapping lowercase header names to stripped values.\n\nNotes:\n    **Guarantees:**\n\n        - Provider payloads (such as Gmail) typically represent headers as a\n          list of name/value mappings.\n        - This function normalizes them into a case-insensitive dictionary\n          keyed by lowercase header names.\n\nExample:\n    Typical usage:\n\n    ```python\n    Input:\n        [\n            {\"name\": \"From\", \"value\": \"John Doe <john@example.com>\"},\n            {\"name\": \"Subject\", \"value\": \"Re: Interview Update\"},\n        ]\n\n    Output:\n        {\n            \"from\": \"John Doe <john@example.com>\",\n            \"subject\": \"Re: Interview Update\",\n        }\n    ```"
      },
      "extract_sender": {
        "name": "extract_sender",
        "kind": "function",
        "path": "mail_intake.parsers.headers.extract_sender",
        "signature": "<bound method Function.signature of Function('extract_sender', 67, 102)>",
        "docstring": "Extract sender email and optional display name from headers.\n\nArgs:\n    headers (Dict[str, str]):\n        Normalized header dictionary as returned by `parse_headers()`.\n\nReturns:\n    Tuple[str, Optional[str]]:\n        A tuple `(email, name)` where `email` is the sender email address\n        and `name` is the display name, or `None` if unavailable.\n\nNotes:\n    **Responsibilities:**\n\n        - This function parses the `From` header and attempts to extract\n          sender email address and optional human-readable display name.\n\nExample:\n    Typical values:\n\n    - `\"John Doe <john@example.com>\"` -> `(\"john@example.com\", \"John Doe\")`\n    - `\"john@example.com\"` -> `(\"john@example.com\", None)`"
      }
    }
  }
}