IQ.Lvbs: vendor imgui wheels in branch; install from local files

Replaces the upstream GitHub-Releases-fetch shim with a local-wheel shim
so the package installs cleanly from a private gitea repo over SSH (no
HTTPS download / token plumbing required at install time).

imgui/pyproject.toml

@@ -15,6 +15,6 @@ packages = ["imgui"]
 imgui = ["*.so", "install/**/*"]
 
 [tool.shim]
-repo_url = "https://github.com/commaai/dependencies"
-tag = "imgui/v1.92.7"
+# IQ.Lvbs fork: wheels are vendored under wheels/ in this branch; setup.py extracts
+# the platform-matched wheel locally instead of fetching from a release URL.
 datadir = "install"

imgui/setup.py

@@ -1,11 +1,13 @@
-"""Shim setup.py: downloads pre-built wheels from GitHub Releases at install time."""
+"""Shim setup.py: extracts pre-built wheels vendored under wheels/ at install time.
+
+IQ.Lvbs fork of commaai/dependencies. Upstream downloads wheels from GitHub
+release storage at install time; we vendor the wheel bytes inside the git
+branch so the install works against a private gitea repo with no extra auth.
+"""
 import os
 import platform
-import time
 import zipfile
 from io import BytesIO
-from urllib.error import URLError
-from urllib.request import urlopen
 
 try:
   import tomllib
@@ -19,13 +21,11 @@ _HERE = os.path.dirname(os.path.abspath(__file__))
 with open(os.path.join(_HERE, "pyproject.toml"), "rb") as _f:
   _cfg = tomllib.load(_f)
 
-REPO_URL = _cfg["tool"]["shim"]["repo_url"]
-TAG = _cfg["tool"]["shim"]["tag"]
 DATADIR = _cfg["tool"]["shim"]["datadir"]
 VERSION = _cfg["project"]["version"]
 MODULE = _cfg["project"]["name"].replace("-", "_")
 
-# all top-level packages bundled in this wheel (e.g. acados + casadi).
+# all top-level packages bundled in this wheel.
 # `packages` may be a flat list or a dict with find.include patterns.
 _pkgs = _cfg.get("tool", {}).get("setuptools", {}).get("packages", [f"{MODULE}*"])
 if isinstance(_pkgs, list):
@@ -48,37 +48,32 @@ class InstallPrebuilt(build_py):
     module_dir = os.path.join(_HERE, MODULE)
     data_dir = os.path.join(module_dir, DATADIR)
 
-    if not os.path.exists(os.path.join(data_dir, "bin")):
+    if not os.path.exists(os.path.join(data_dir, "lib")) and not os.path.exists(os.path.join(data_dir, "bin")):
       key = (platform.system(), platform.machine())
       plat = PLATFORM_MAP.get(key)
       if plat is None:
         raise RuntimeError(f"unsupported platform: {key}")
 
-      whl_names = [
+      candidates = [
         f"{MODULE}-{VERSION}-py3-none-{plat}.whl",
         f"{MODULE}-{VERSION}-py3-none-any.whl",
       ]
-
-      raw = None
-      for whl_name in whl_names:
-        url = f"{REPO_URL}/releases/download/{TAG}/{whl_name}"
-        print(f"Downloading {url} ...")
-        for attempt in range(3):
-          try:
-            raw = urlopen(url, timeout=60).read()
-            break
-          except (URLError, OSError) as e:
-            if attempt == 2:
-              if whl_name == whl_names[-1]:
-                raise
-              break
-            wait = 2 ** attempt
-            print(f"Download failed ({e}), retrying in {wait}s ...")
-            time.sleep(wait)
-        if raw is not None:
+      whl_path = None
+      wheels_dir = os.path.join(_HERE, "wheels")
+      for name in candidates:
+        candidate = os.path.join(wheels_dir, name)
+        if os.path.exists(candidate):
+          whl_path = candidate
           break
+      if whl_path is None:
+        raise RuntimeError(
+          f"vendored wheel not found for platform {key} under {wheels_dir} "
+          f"(looked for: {', '.join(candidates)})"
+        )
 
-      print("Extracting wheel ...")
+      print(f"Extracting vendored wheel {whl_path} ...")
+      with open(whl_path, "rb") as f:
+        raw = f.read()
       with zipfile.ZipFile(BytesIO(raw)) as zf:
         purelib_data = f"{MODULE}-{VERSION}.data/purelib/"
         for info in zf.infolist():