ref(typing): Add additional stub packages for type checking

Adds `types-webob`, `types-greenlet` and `types-gevent` to linter
requirements and fixes newly exposed typing issues.

Fixes GH-2226

Author: Daverball

Diff for: linter-requirements.txt

@@ -3,8 +3,11 @@ black
 flake8==5.0.4  # flake8 depends on pyflakes>=3.0.0 and this dropped support for Python 2 "# type:" comments
 types-certifi
 types-protobuf
+types-gevent
+types-greenlet
 types-redis
 types-setuptools
+types-webob
 pymongo # There is no separate types module.
 loguru # There is no separate types module.
 flake8-bugbear

Diff for: sentry_sdk/integrations/_wsgi_common.py

@@ -16,6 +16,7 @@
     from typing import Any
     from typing import Dict
     from typing import Mapping
+    from typing import MutableMapping
     from typing import Optional
     from typing import Union
     from sentry_sdk._types import Event
@@ -114,7 +115,7 @@ def content_length(self):
             return 0
 
     def cookies(self):
-        # type: () -> Dict[str, Any]
+        # type: () -> MutableMapping[str, Any]
         raise NotImplementedError()
 
     def raw_data(self):

Diff for: sentry_sdk/integrations/pyramid.py

@@ -30,8 +30,8 @@
     from typing import Callable
     from typing import Dict
     from typing import Optional
-    from webob.cookies import RequestCookies  # type: ignore
-    from webob.compat import cgi_FieldStorage  # type: ignore
+    from webob.cookies import RequestCookies
+    from webob.request import _FieldStorageWithFile
 
     from sentry_sdk.utils import ExcInfo
     from sentry_sdk._types import Event, EventProcessor
@@ -186,15 +186,15 @@ def form(self):
         }
 
     def files(self):
-        # type: () -> Dict[str, cgi_FieldStorage]
+        # type: () -> Dict[str, _FieldStorageWithFile]
         return {
             key: value
             for key, value in self.request.POST.items()
             if getattr(value, "filename", None)
         }
 
     def size_of_file(self, postdata):
-        # type: (cgi_FieldStorage) -> int
+        # type: (_FieldStorageWithFile) -> int
         file = postdata.file
         try:
             return os.fstat(file.fileno()).st_size

Diff for: sentry_sdk/profiler.py

@@ -62,6 +62,7 @@
     from typing import Set
     from typing import Sequence
     from typing import Tuple
+    from typing import Type
     from typing_extensions import TypedDict
 
     import sentry_sdk.tracing
@@ -129,9 +130,10 @@
 
 
 try:
-    from gevent.monkey import get_original  # type: ignore
-    from gevent.threadpool import ThreadPool  # type: ignore
+    from gevent.monkey import get_original
+    from gevent.threadpool import ThreadPool as _ThreadPool
 
+    ThreadPool = _ThreadPool  # type: Optional[Type[_ThreadPool]]
     thread_sleep = get_original("time", "sleep")
 except ImportError:
     thread_sleep = time.sleep
@@ -923,7 +925,7 @@ def __init__(self, frequency):
 
         # used to signal to the thread that it should stop
         self.running = False
-        self.thread = None  # type: Optional[ThreadPool]
+        self.thread = None  # type: Optional[_ThreadPool]
         self.pid = None  # type: Optional[int]
 
         # This intentionally uses the gevent patched threading.Lock.
@@ -960,7 +962,7 @@ def ensure_running(self):
             self.pid = pid
             self.running = True
 
-            self.thread = ThreadPool(1)
+            self.thread = ThreadPool(1)  # type: ignore[misc]
             try:
                 self.thread.spawn(self.run)
             except RuntimeError:

Diff for: sentry_sdk/utils.py

@@ -54,6 +54,8 @@
         Union,
     )
 
+    from gevent.hub import Hub
+
     import sentry_sdk.integrations
     from sentry_sdk._types import Event, ExcInfo
 
@@ -1182,8 +1184,8 @@ def _is_contextvars_broken():
     Returns whether gevent/eventlet have patched the stdlib in a way where thread locals are now more "correct" than contextvars.
     """
     try:
-        import gevent  # type: ignore
-        from gevent.monkey import is_object_patched  # type: ignore
+        import gevent
+        from gevent.monkey import is_object_patched
 
         # Get the MAJOR and MINOR version numbers of Gevent
         version_tuple = tuple(
@@ -1209,7 +1211,7 @@ def _is_contextvars_broken():
         pass
 
     try:
-        import greenlet  # type: ignore
+        import greenlet
         from eventlet.patcher import is_monkey_patched  # type: ignore
 
         greenlet_version = parse_version(greenlet.__version__)
@@ -1794,12 +1796,14 @@ def now():
     from gevent.monkey import is_module_patched
 except ImportError:
 
-    def get_gevent_hub():
-        # type: () -> Any
+    # it's not great that the signatures are different, get_hub can't return None
+    # consider adding an if TYPE_CHECKING to change the signature to Optional[Hub]
+    def get_gevent_hub():  # type: ignore[misc]
+        # type: () -> Optional[Hub]
         return None
 
-    def is_module_patched(*args, **kwargs):
-        # type: (*Any, **Any) -> bool
+    def is_module_patched(mod_name):
+        # type: (str) -> bool
         # unable to import from gevent means no modules have been patched
         return False