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get_encoding_from_headers() — requests Function Reference

Architecture documentation for the get_encoding_from_headers() function in utils.py from the requests codebase.

Function python CoreAPI VerbHandlers calls 2 called by 2

Entity Profile

Dependency Diagram

graph TD
  9ab5b77a_1e93_5426_2b6e_540e378c20b4["get_encoding_from_headers()"]
  2c39b9da_e317_5e6c_bbac_8362bac2110c["utils.py"]
  9ab5b77a_1e93_5426_2b6e_540e378c20b4 -->|defined in| 2c39b9da_e317_5e6c_bbac_8362bac2110c
  7086c4f7_aa89_192d_ccbb_8bfa981ed237["build_response()"]
  7086c4f7_aa89_192d_ccbb_8bfa981ed237 -->|calls| 9ab5b77a_1e93_5426_2b6e_540e378c20b4
  14580864_b859_b8af_2bd9_9a8f13e57a3d["get_unicode_from_response()"]
  14580864_b859_b8af_2bd9_9a8f13e57a3d -->|calls| 9ab5b77a_1e93_5426_2b6e_540e378c20b4
  3e36ad14_0ff8_5ae4_5075_977b4fa6bc08["_parse_content_type_header()"]
  9ab5b77a_1e93_5426_2b6e_540e378c20b4 -->|calls| 3e36ad14_0ff8_5ae4_5075_977b4fa6bc08
  3429da06_bfa7_f55e_ca34_e7199d2cf1df["get()"]
  9ab5b77a_1e93_5426_2b6e_540e378c20b4 -->|calls| 3429da06_bfa7_f55e_ca34_e7199d2cf1df
  style 9ab5b77a_1e93_5426_2b6e_540e378c20b4 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

src/requests/utils.py lines 527–549

def get_encoding_from_headers(headers):
    """Returns encodings from given HTTP Header Dict.

    :param headers: dictionary to extract encoding from.
    :rtype: str
    """

    content_type = headers.get("content-type")

    if not content_type:
        return None

    content_type, params = _parse_content_type_header(content_type)

    if "charset" in params:
        return params["charset"].strip("'\"")

    if "text" in content_type:
        return "ISO-8859-1"

    if "application/json" in content_type:
        # Assume UTF-8 based on RFC 4627: https://www.ietf.org/rfc/rfc4627.txt since the charset was unset
        return "utf-8"

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Frequently Asked Questions

What does get_encoding_from_headers() do?
get_encoding_from_headers() is a function in the requests codebase, defined in src/requests/utils.py.
Where is get_encoding_from_headers() defined?
get_encoding_from_headers() is defined in src/requests/utils.py at line 527.
What does get_encoding_from_headers() call?
get_encoding_from_headers() calls 2 function(s): _parse_content_type_header, get.
What calls get_encoding_from_headers()?
get_encoding_from_headers() is called by 2 function(s): build_response, get_unicode_from_response.

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