ref: Drop Flask < 2

MIGRATION_GUIDE.md

@@ -30,6 +30,7 @@ Looking to upgrade from Sentry SDK 2.x to 3.x? Here's a comprehensive list of wh
 - Dropped support for Django versions below 2.0.
 - Dropped support for gevent versions below 20.9.
 - Dropped support for greenlet versions below 0.4.17.
+- Dropped support for Flask below 2.0.
 - The `enable_tracing` option was removed. Use `traces_sample_rate=1.0` instead.
 - The deprecated `push_scope` and `configure_scope` APIs have been removed. Use `with new_scope():` to push a new scope and `scope = get_current_scope()` to retrieve the current scope instead.
 - Transaction profiling and related code was removed.

scripts/populate_tox/config.py

@@ -157,15 +157,12 @@
         "package": "flask",
         "deps": {
             "*": ["flask-login", "werkzeug", "blinker"],
-            # https://github.com/pallets/flask/issues/4455
-            "<2.0": [
-                "werkzeug<2.1.0",
-                "markupsafe<2.0.0",
-                "itsdangerous>=0.24,<2.0",
-                "jinja2<3.1.1",
-            ],
+            "<2.3": ["werkzeug<2.3"],
             "py3.7": ["setuptools<82"],  # Handled by importlib.metadata on Python 3.8+
         },
+        "python": {
+            "<2.3": "<3.11",
+        },
     },
     "gql": {
         "package": "gql[all]",

sentry_sdk/integrations/__init__.py

@@ -139,7 +139,7 @@ def iter_default_integrations(
     "dramatiq": (1, 9),
     "falcon": (1, 4),
     "fastapi": (0, 79, 0),
-    "flask": (1, 1, 4),
+    "flask": (2, 0, 0),
     "gql": (3, 4, 1),
     "graphene": (3, 3),
     "google_genai": (1, 29, 0),  # google-genai

tests/integrations/flask/test_flask.py

@@ -20,7 +20,7 @@
 try:
     from werkzeug.wrappers.request import UnsupportedMediaType
 except ImportError:
-    UnsupportedMediaType = None
+    from werkzeug.exceptions import BadRequest as UnsupportedMediaType
 
 import sentry_sdk
 import sentry_sdk.integrations.flask as flask_sentry