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Edit: /opt/alt/python38/lib/python3.8/site-packages/sentry_sdk/transport.py

from __future__ import print_function

import json
import io
import urllib3  # type: ignore
import certifi
import gzip

from datetime import datetime, timedelta

from sentry_sdk.consts import VERSION
from sentry_sdk.utils import Dsn, logger, capture_internal_exceptions
from sentry_sdk.worker import BackgroundWorker

if False:
    from sentry_sdk.consts import ClientOptions
    from typing import Type
    from typing import Any
    from typing import Optional
    from typing import Dict
    from typing import Union
    from typing import Callable
    from urllib3.poolmanager import PoolManager  # type: ignore
    from urllib3.poolmanager import ProxyManager  # type: ignore

try:
    from urllib.request import getproxies
except ImportError:
    from urllib import getproxies  # type: ignore

class Transport(object):
    """Baseclass for all transports.

A transport is used to send an event to sentry.
    """

parsed_dsn = None  # type: Dsn

def __init__(self, options=None):
        # type: (Optional[ClientOptions]) -> None
        self.options = options
        if options and options["dsn"]:
            self.parsed_dsn = Dsn(options["dsn"])
        else:
            self.parsed_dsn = None  # type: ignore

def capture_event(self, event):
        """This gets invoked with the event dictionary when an event should
        be sent to sentry.
        """
        raise NotImplementedError()

def flush(self, timeout, callback=None):
        """Wait `timeout` seconds for the current events to be sent out."""
        pass

def kill(self):
        # type: () -> None
        """Forcefully kills the transport."""
        pass

def __del__(self):
        # type: () -> None
        try:
            self.kill()
        except Exception:
            pass

class HttpTransport(Transport):
    """The default HTTP transport."""

def __init__(self, options):
        # type: (ClientOptions) -> None
        Transport.__init__(self, options)
        self._worker = BackgroundWorker()
        self._auth = self.parsed_dsn.to_auth("sentry.python/%s" % VERSION)
        self._disabled_until = None  # type: Optional[datetime]
        self._retry = urllib3.util.Retry()
        self.options = options

self._pool = self._make_pool(
            self.parsed_dsn,
            http_proxy=options["http_proxy"],
            https_proxy=options["https_proxy"],
            ca_certs=options["ca_certs"],
        )

from sentry_sdk import Hub

self.hub_cls = Hub

def _send_event(self, event):
        # type: (Dict[str, Any]) -> None
        if self._disabled_until is not None:
            if datetime.utcnow() < self._disabled_until:
                return
            self._disabled_until = None

body = io.BytesIO()
        with gzip.GzipFile(fileobj=body, mode="w") as f:
            f.write(json.dumps(event, allow_nan=False).encode("utf-8"))

logger.debug(
            "Sending %s event [%s] to %s project:%s"
            % (
                event.get("level") or "error",
                event["event_id"],
                self.parsed_dsn.host,
                self.parsed_dsn.project_id,
            )
        )
        response = self._pool.request(
            "POST",
            str(self._auth.store_api_url),
            body=body.getvalue(),
            headers={
                "X-Sentry-Auth": str(self._auth.to_header()),
                "Content-Type": "application/json",
                "Content-Encoding": "gzip",
            },
        )

try:
            if response.status == 429:
                self._disabled_until = datetime.utcnow() + timedelta(
                    seconds=self._retry.get_retry_after(response) or 60
                )
                return

elif response.status >= 300 or response.status < 200:
                logger.error(
                    "Unexpected status code: %s (body: %s)",
                    response.status,
                    response.data,
                )
        finally:
            response.close()

self._disabled_until = None

def _get_pool_options(self, ca_certs):
        # type: (Optional[Any]) -> Dict[str, Any]
        return {
            "num_pools": 2,
            "cert_reqs": "CERT_REQUIRED",
            "ca_certs": ca_certs or certifi.where(),
        }

def _make_pool(
        self,
        parsed_dsn,  # type: Dsn
        http_proxy,  # type: Optional[str]
        https_proxy,  # type: Optional[str]
        ca_certs,  # type: Optional[Any]
    ):
        # type: (...) -> Union[PoolManager, ProxyManager]
        # Use http_proxy if scheme is https and https_proxy is not set
        proxy = parsed_dsn.scheme == "https" and https_proxy or http_proxy
        if not proxy:
            proxy = getproxies().get(parsed_dsn.scheme)

opts = self._get_pool_options(ca_certs)

if proxy:
            return urllib3.ProxyManager(proxy, **opts)
        else:
            return urllib3.PoolManager(**opts)

def capture_event(self, event):
        # type: (Dict[str, Any]) -> None
        hub = self.hub_cls.current

def send_event_wrapper():
            # type: () -> None
            with hub:
                with capture_internal_exceptions():
                    self._send_event(event)

self._worker.submit(send_event_wrapper)

def flush(self, timeout, callback=None):
        # type: (float, Optional[Any]) -> None
        logger.debug("Flushing HTTP transport")
        if timeout > 0:
            self._worker.flush(timeout, callback)

def kill(self):
        # type: () -> None
        logger.debug("Killing HTTP transport")
        self._worker.kill()

class _FunctionTransport(Transport):
    def __init__(self, func):
        # type: (Callable[[Dict[str, Any]], None]) -> None
        Transport.__init__(self)
        self._func = func

def capture_event(self, event):
        # type: (Dict[str, Any]) -> None
        self._func(event)
        return None

def make_transport(options):
    # type: (ClientOptions) -> Optional[Transport]
    ref_transport = options["transport"]

# If no transport is given, we use the http transport class
    if ref_transport is None:
        transport_cls = HttpTransport  # type: Type[Transport]
    else:
        try:
            issubclass(ref_transport, type)  # type: ignore
        except TypeError:
            # if we are not a class but we are a callable, assume a
            # function that acts as capture_event
            if callable(ref_transport):
                return _FunctionTransport(ref_transport)
            # otherwise assume an object fulfilling the transport contract
            return ref_transport
        transport_cls = ref_transport  # type: ignore

# if a transport class is given only instanciate it if the dsn is not
    # empty or None
    if options["dsn"]:
        return transport_cls(options)

return None

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