init_poolmanager() — requests Function Reference

Architecture documentation for the init_poolmanager() function in adapters.py from the requests codebase.

Function python CoreAPI SessionLifecycle called by 2

Entity Profile

CoreAPI→ SessionLifecycle→ init_poolmanager() — requests Function Reference

Dependency Diagram

graph TD
  ae70d91c_f99f_b4f2_d044_c4472b35bbe0["init_poolmanager()"]
  5fdf5d52_8295_768a_e20f_c6cefb721b91["HTTPAdapter"]
  ae70d91c_f99f_b4f2_d044_c4472b35bbe0 -->|defined in| 5fdf5d52_8295_768a_e20f_c6cefb721b91
  22d5de8c_9d85_20f5_c3fb_f4c08e8c2ef8["__init__()"]
  22d5de8c_9d85_20f5_c3fb_f4c08e8c2ef8 -->|calls| ae70d91c_f99f_b4f2_d044_c4472b35bbe0
  216aa9d4_1168_8f0b_3016_d617765a2194["__setstate__()"]
  216aa9d4_1168_8f0b_3016_d617765a2194 -->|calls| ae70d91c_f99f_b4f2_d044_c4472b35bbe0
  style ae70d91c_f99f_b4f2_d044_c4472b35bbe0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/requests/adapters.py lines 218–242

    def init_poolmanager(
        self, connections, maxsize, block=DEFAULT_POOLBLOCK, **pool_kwargs
    ):
        """Initializes a urllib3 PoolManager.

        This method should not be called from user code, and is only
        exposed for use when subclassing the
        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.

        :param connections: The number of urllib3 connection pools to cache.
        :param maxsize: The maximum number of connections to save in the pool.
        :param block: Block when no free connections are available.
        :param pool_kwargs: Extra keyword arguments used to initialize the Pool Manager.
        """
        # save these values for pickling
        self._pool_connections = connections
        self._pool_maxsize = maxsize
        self._pool_block = block

        self.poolmanager = PoolManager(
            num_pools=connections,
            maxsize=maxsize,
            block=block,
            **pool_kwargs,
        )