init() — requests Function Reference

Architecture documentation for the __init__() function in sessions.py from the requests codebase.

Function python CoreAPI SessionLifecycle calls 4

Entity Profile

CoreAPI→ SessionLifecycle→ __init__() — requests Function Reference

Dependency Diagram

graph TD
  9e3b60ed_3668_f4e9_fa2a_9db7ae000c2e["__init__()"]
  b4dad953_9227_8b3f_4041_3f8f1f9f0b29["Session"]
  9e3b60ed_3668_f4e9_fa2a_9db7ae000c2e -->|defined in| b4dad953_9227_8b3f_4041_3f8f1f9f0b29
  9c6f5171_db61_9fae_2377_5daac75619a3["mount()"]
  9e3b60ed_3668_f4e9_fa2a_9db7ae000c2e -->|calls| 9c6f5171_db61_9fae_2377_5daac75619a3
  23816a5f_d797_e077_ac99_827b59b52f7b["default_headers()"]
  9e3b60ed_3668_f4e9_fa2a_9db7ae000c2e -->|calls| 23816a5f_d797_e077_ac99_827b59b52f7b
  2254e69c_6485_b746_f87f_e79515085198["default_hooks()"]
  9e3b60ed_3668_f4e9_fa2a_9db7ae000c2e -->|calls| 2254e69c_6485_b746_f87f_e79515085198
  fad58eac_0316_2b83_52d3_1a1829c12c66["cookiejar_from_dict()"]
  9e3b60ed_3668_f4e9_fa2a_9db7ae000c2e -->|calls| fad58eac_0316_2b83_52d3_1a1829c12c66
  style 9e3b60ed_3668_f4e9_fa2a_9db7ae000c2e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/requests/sessions.py lines 391–450

    def __init__(self):
        #: A case-insensitive dictionary of headers to be sent on each
        #: :class:`Request <Request>` sent from this
        #: :class:`Session <Session>`.
        self.headers = default_headers()

        #: Default Authentication tuple or object to attach to
        #: :class:`Request <Request>`.
        self.auth = None

        #: Dictionary mapping protocol or protocol and host to the URL of the proxy
        #: (e.g. {'http': 'foo.bar:3128', 'http://host.name': 'foo.bar:4012'}) to
        #: be used on each :class:`Request <Request>`.
        self.proxies = {}

        #: Event-handling hooks.
        self.hooks = default_hooks()

        #: Dictionary of querystring data to attach to each
        #: :class:`Request <Request>`. The dictionary values may be lists for
        #: representing multivalued query parameters.
        self.params = {}

        #: Stream response content default.
        self.stream = False

        #: SSL Verification default.
        #: Defaults to `True`, requiring requests to verify the TLS certificate at the
        #: remote end.
        #: If verify is set to `False`, requests will accept any TLS certificate
        #: presented by the server, and will ignore hostname mismatches and/or
        #: expired certificates, which will make your application vulnerable to
        #: man-in-the-middle (MitM) attacks.
        #: Only set this to `False` for testing.
        self.verify = True

        #: SSL client certificate default, if String, path to ssl client
        #: cert file (.pem). If Tuple, ('cert', 'key') pair.
        self.cert = None

        #: Maximum number of redirects allowed. If the request exceeds this
        #: limit, a :class:`TooManyRedirects` exception is raised.
        #: This defaults to requests.models.DEFAULT_REDIRECT_LIMIT, which is
        #: 30.
        self.max_redirects = DEFAULT_REDIRECT_LIMIT

        #: Trust environment settings for proxy configuration, default
        #: authentication and similar.
        self.trust_env = True

        #: A CookieJar containing all currently outstanding cookies set on this
        #: session. By default it is a
        #: :class:`RequestsCookieJar <requests.cookies.RequestsCookieJar>`, but
        #: may be any other ``cookielib.CookieJar`` compatible object.
        self.cookies = cookiejar_from_dict({})

        # Default connection adapters.
        self.adapters = OrderedDict()
        self.mount("https://", HTTPAdapter())
        self.mount("http://", HTTPAdapter())