frigate: pin to python3.11, support mpl 3.9.0

and backport a patch that prevents crashes if /run/secrets exists, but
is unaccessible to frigate.

Closes: #325228

pkgs/applications/video/frigate/default.nix

@@ -1,6 +1,6 @@
 { lib
 , callPackage
-, python3
+, python311
 , fetchFromGitHub
 , fetchurl
 , fetchpatch2
@@ -23,7 +23,7 @@ let
     inherit version src;
   };
 
-  python = python3.override {
+  python = python311.override {
     packageOverrides = self: super: {
       pydantic = super.pydantic_1;
 
@@ -71,6 +71,14 @@ python.pkgs.buildPythonApplication rec {
       url = "https://github.com/blakeblackshear/frigate/commit/b65656fa8733c1c2f3d944f716d2e9493ae7c99f.patch";
       hash = "sha256-taPWFV4PldBGUKAwFMKag4W/3TLMSGdKLYG8bj1Y5mU=";
     })
+    (fetchpatch2 {
+      # https://github.com/blakeblackshear/frigate/pull/10097
+      name = "frigate-secrets-permissionerror.patch";
+      url = "https://github.com/blakeblackshear/frigate/commit/a1424bad6c0163e790129ade7a9784514d0bf89d.patch";
+      hash = "sha256-/kIy4aW9o5AKHJQfCDVY46si+DKaUb+CsZsCGIbXvUQ=";
+    })
+    # https://github.com/blakeblackshear/frigate/pull/12324
+    ./mpl-3.9.0.patch
   ];
 
   postPatch = ''

pkgs/applications/video/frigate/mpl-3.9.0.patch

@@ -0,0 +1,42 @@
+From fba8cff13186bd80ceaa06806392957598139deb Mon Sep 17 00:00:00 2001
+From: Martin Weinelt <[email protected]>
+Date: Sun, 7 Jul 2024 14:23:29 +0200
+Subject: [PATCH] Fix colormap usage with matplotlib 3.9.0
+
+The mpl.cm toplevel registration has been removed.
+
+https://matplotlib.org/stable/api/prev_api_changes/api_changes_3.9.0.html#top-level-cmap-registration-and-access-functions-in-mpl-cm
+---
+ frigate/config.py                    | 2 +-
+ frigate/detectors/detector_config.py | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/frigate/config.py b/frigate/config.py
+index 2e8b2570..af4f3263 100644
+--- a/frigate/config.py
++++ b/frigate/config.py
+@@ -807,7 +807,7 @@ class CameraConfig(FrigateBaseModel):
+     def __init__(self, **config):
+         # Set zone colors
+         if "zones" in config:
+-            colors = plt.cm.get_cmap("tab10", len(config["zones"]))
++            colors = plt.colormaps["tab10"].resampled(len(config["zones"]))
+             config["zones"] = {
+                 name: {**z, "color": tuple(round(255 * c) for c in colors(idx)[:3])}
+                 for idx, (name, z) in enumerate(config["zones"].items())
+diff --git a/frigate/detectors/detector_config.py b/frigate/detectors/detector_config.py
+index 7fc958a3..b65631eb 100644
+--- a/frigate/detectors/detector_config.py
++++ b/frigate/detectors/detector_config.py
+@@ -125,7 +125,7 @@ class ModelConfig(BaseModel):
+
+     def create_colormap(self, enabled_labels: set[str]) -> None:
+         """Get a list of colors for enabled labels."""
+-        cmap = plt.cm.get_cmap("tab10", len(enabled_labels))
++        cmap = plt.colormaps["tab10"].resampled(len(enabled_labels))
+
+         for key, val in enumerate(enabled_labels):
+             self._colormap[val] = tuple(int(round(255 * c)) for c in cmap(key)[:3])
+-- 
+2.45.1
+