ref: factor out our remaining pkg_resources usages (#62084)

this requires python 3.9+

<!-- Describe your PR here. -->

Author: asottile-sentry

src/sentry/runner/settings.py

@@ -1,3 +1,4 @@
+import importlib.resources
 import os
 import warnings
 
@@ -16,10 +17,8 @@ def generate_secret_key():
     return get_random_string(50, chars)
 
 
-def load_config_template(path, version="default"):
-    from pkg_resources import resource_string
-
-    return resource_string("sentry", f"data/config/{path}.{version}").decode("utf8")
+def load_config_template(path: str, version: str = "default") -> str:
+    return importlib.resources.files("sentry").joinpath(f"data/config/{path}.{version}").read_text()
 
 
 def generate_settings(dev=False):

src/sentry/tsdb/redis.py

@@ -1,3 +1,4 @@
+import importlib.resources
 import itertools
 import logging
 import random
@@ -9,7 +10,6 @@
 
 from django.utils import timezone
 from django.utils.encoding import force_bytes
-from pkg_resources import resource_string
 
 from sentry.tsdb.base import BaseTSDB
 from sentry.utils.compat import crc32
@@ -23,7 +23,9 @@
 
 SketchParameters = namedtuple("SketchParameters", "depth width capacity")
 
-CountMinScript = SentryScript(None, resource_string("sentry", "scripts/tsdb/cmsketch.lua"))
+CountMinScript = SentryScript(
+    None, importlib.resources.files("sentry").joinpath("scripts/tsdb/cmsketch.lua").read_bytes()
+)
 
 
 class SuppressionWrapper:

src/sentry/utils/redis.py

@@ -1,15 +1,14 @@
 from __future__ import annotations
 
 import functools
+import importlib.resources
 import logging
-import posixpath
 from copy import deepcopy
 from threading import Lock
 from typing import Any, Generic, TypeVar, overload
 
 import rb
 from django.utils.functional import SimpleLazyObject
-from pkg_resources import resource_string
 from redis.client import Script
 from redis.connection import ConnectionPool, Encoder
 from redis.exceptions import BusyLoadingError, ConnectionError
@@ -304,7 +303,10 @@ def call_script(client, keys, args):
             # XXX: Script is a list here. We're doing this to work around the lack of
             # `nonlocal` in python 3, so that we only instantiate the script once.
             script.append(
-                Script(client, resource_string("sentry", posixpath.join("scripts", path)))
+                Script(
+                    client,
+                    importlib.resources.files("sentry").joinpath("scripts", path).read_bytes(),
+                )
             )
             # Unset the client here to keep things as close to how they worked before
             # as possible. It will always be overridden on `__call__` anyway.