[esp32] Upgrade uv to 0.10.1 and increase HTTP retries (#13918)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

docker/Dockerfile

@@ -23,7 +23,7 @@ RUN if command -v apk > /dev/null; then \
 
 ENV PIP_DISABLE_PIP_VERSION_CHECK=1
 
-RUN pip install --no-cache-dir -U pip uv==0.6.14
+RUN pip install --no-cache-dir -U pip uv==0.10.1
 
 COPY requirements.txt /
 

esphome/components/esp32/__init__.py

@@ -1436,14 +1436,6 @@ async def to_code(config):
         CORE.relative_internal_path(".espressif")
     )
 
-    # Set the uv cache inside the data dir so "Clean All" clears it.
-    # Avoids persistent corrupted cache from mid-stream download failures.
-    os.environ["UV_CACHE_DIR"] = str(CORE.relative_internal_path(".uv_cache"))
-
-    # Set the uv cache inside the data dir so "Clean All" clears it.
-    # Avoids persistent corrupted cache from mid-stream download failures.
-    os.environ["UV_CACHE_DIR"] = str(CORE.relative_internal_path(".uv_cache"))
-
     if conf[CONF_TYPE] == FRAMEWORK_ESP_IDF:
         cg.add_build_flag("-DUSE_ESP_IDF")
         cg.add_build_flag("-DUSE_ESP32_FRAMEWORK_ESP_IDF")

esphome/platformio_api.py

@@ -133,6 +133,8 @@ def run_platformio_cli(*args, **kwargs) -> str | int:
     )
     # Suppress Python syntax warnings from third-party scripts during compilation
     os.environ.setdefault("PYTHONWARNINGS", "ignore::SyntaxWarning")
+    # Increase uv retry count to handle transient network errors (default is 3)
+    os.environ.setdefault("UV_HTTP_RETRIES", "10")
     cmd = ["platformio"] + list(args)
 
     if not CORE.verbose: