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A collection of framework independent HTTP protocol utils.

Project description

Build Status

httptools is a Python binding for nodejs HTTP parser. It's still in a very early development stage, expect APIs to break.

The package is available on PyPI: pip install httptools.


httptools contains two classes httptools.HttpRequestParser, httptools.HttpResponseParser and a function for parsing URLs httptools.parse_url. See unittests for examples.

class HttpRequestParser:

    def __init__(self, protocol):

        protocol -- a Python object with the following methods
        (all optional):

          - on_message_begin()
          - on_url(url: bytes)
          - on_header(name: bytes, value: bytes)
          - on_headers_complete()
          - on_body(body: bytes)
          - on_message_complete()
          - on_chunk_header()
          - on_chunk_complete()
          - on_status(status: bytes)

    def get_http_version(self) -> str:
        """Return an HTTP protocol version."""

    def should_keep_alive(self) -> bool:
        """Return ``True`` if keep-alive mode is preferred."""

    def should_upgrade(self) -> bool:
        """Return ``True`` if the parsed request is a valid Upgrade request.
	The method exposes a flag set just before on_headers_complete.
	Calling this method earlier will only yield `False`.

    def feed_data(self, data: bytes):
        """Feed data to the parser.

        Will eventually trigger callbacks on the ``protocol``

        On HTTP upgrade, this method will raise an
        ``HttpParserUpgrade`` exception, with its sole argument
        set to the offset of the non-HTTP data in ``data``.

    def get_method(self) -> bytes:
        """Return HTTP request method (GET, HEAD, etc)"""

class HttpResponseParser:

    """Has all methods except ``get_method()`` that
    HttpRequestParser has."""

    def get_status_code(self) -> int:
        """Return the status code of the HTTP response"""

def parse_url(url: bytes):
    """Parse URL strings into a structured Python object.

    Returns an instance of ``httptools.URL`` class with the
    following attributes:

      - schema: bytes
      - host: bytes
      - port: int
      - path: bytes
      - query: bytes
      - fragment: bytes
      - userinfo: bytes


  1. Clone this repository with git clone --recursive

  2. Create a virtual environment with Python 3.5: python3.5 -m venv envname

  3. Activate the environment with source envname/bin/activate

  4. Install Cython with pip install cython

  5. Run make and make test.



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