Add example docker file for building agents (livekit#401)

* Add example docker file for building agents

* fix ruff errors

* use entrypoint

* one more type

* fix typecheck workflow

* more types

.github/workflows/check-types.yml

@@ -1,4 +1,4 @@
-name: Check Types 
+name: Check Types
 
 on:
   push:
@@ -16,39 +16,52 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-      with:
-        submodules: recursive
-
-    - uses: actions/setup-python@v5
-      with:
-        python-version: '3.9'
-        cache: 'pip'
-
-    - name: Install mypy 
-      run: python -m pip install --upgrade mypy 
-
-    - name: Install all packages
-      run: |
-        pip install ./livekit-agents \
-                    ./livekit-plugins/livekit-plugins-openai \
-                    ./livekit-plugins/livekit-plugins-deepgram \
-                    ./livekit-plugins/livekit-plugins-google \
-                    ./livekit-plugins/livekit-plugins-nltk \
-                    ./livekit-plugins/livekit-plugins-silero \
-                    ./livekit-plugins/livekit-plugins-elevenlabs \
-                    ./livekit-plugins/livekit-plugins-cartesia \
-                    ./livekit-plugins/livekit-plugins-azure
-    - name: Check Types 
-      run : |
-        mypy --install-types --non-interactive \
-             -p livekit.agents \
-             -p livekit.plugins.openai \
-             -p livekit.plugins.deepgram \
-             -p livekit.plugins.google \
-             -p livekit.plugins.nltk \
-             -p livekit.plugins.silero \
-             -p livekit.plugins.elevenlabs \
-             -p livekit.plugins.cartesia \
-             -p livekit.plugins.azure
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
 
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.9"
+          cache: "pip"
+
+      - name: Install mypy
+        run: python -m pip install --upgrade mypy
+
+      - name: Install all packages
+        run: |
+          pip install ./livekit-agents \
+                      ./livekit-plugins/livekit-plugins-openai \
+                      ./livekit-plugins/livekit-plugins-deepgram \
+                      ./livekit-plugins/livekit-plugins-google \
+                      ./livekit-plugins/livekit-plugins-nltk \
+                      ./livekit-plugins/livekit-plugins-silero \
+                      ./livekit-plugins/livekit-plugins-elevenlabs \
+                      ./livekit-plugins/livekit-plugins-cartesia \
+                      ./livekit-plugins/livekit-plugins-azure
+
+      - name: Install stub packages
+        run: |
+          pip install \
+            pandas-stubs \
+            types-Pygments \
+            types-cachetools \
+            types-cffi \
+            types-psutil \
+            types-pyOpenSSL \
+            types-requests \
+            types-openpyxl \
+            types-requests
+
+      - name: Check Types
+        run: |
+          mypy --install-types --non-interactive \
+               -p livekit.agents \
+               -p livekit.plugins.openai \
+               -p livekit.plugins.deepgram \
+               -p livekit.plugins.google \
+               -p livekit.plugins.nltk \
+               -p livekit.plugins.silero \
+               -p livekit.plugins.elevenlabs \
+               -p livekit.plugins.cartesia \
+               -p livekit.plugins.azure

examples/Dockerfile-example

@@ -0,0 +1,49 @@
+# This is an example Dockerfile that builds a minimal container for running LK Agents
+# syntax=docker/dockerfile:1
+ARG PYTHON_VERSION=3.11.6
+FROM python:${PYTHON_VERSION}-slim
+
+# Prevents Python from writing pyc files.
+ENV PYTHONDONTWRITEBYTECODE=1
+
+# Keeps Python from buffering stdout and stderr to avoid situations where
+# the application crashes without emitting any logs due to buffering.
+ENV PYTHONUNBUFFERED=1
+
+# Create a non-privileged user that the app will run under.
+# See https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#user
+ARG UID=10001
+RUN adduser \
+    --disabled-password \
+    --gecos "" \
+    --home "/home/appuser" \
+    --shell "/sbin/nologin" \
+    --uid "${UID}" \
+    appuser
+
+
+# Install gcc and other build dependencies.
+RUN apt-get update && \
+    apt-get install -y \
+    gcc \
+    python3-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+USER appuser
+
+RUN mkdir -p /home/appuser/.cache
+RUN chown -R appuser /home/appuser/.cache
+
+WORKDIR /home/appuser
+
+COPY requirements.txt .
+RUN python -m pip install --user --no-cache-dir -r requirements.txt
+
+COPY . .
+
+# ensure that any dependent models are downloaded at build-time
+RUN python myagent.py download-files
+
+# Run the application.
+ENTRYPOINT ["python", "myagent.py"]
+CMD ["start"]

livekit-agents/livekit/agents/cli/log.py

@@ -70,7 +70,7 @@ def default(self, o: Any):
                 return o.isoformat()
             elif istraceback(o):
                 return "".join(traceback.format_tb(o)).strip()
-            elif type(o) == Exception or isinstance(o, Exception) or type(o) == type:
+            elif type(o) is Exception or isinstance(o, Exception) or type(o) is type:
                 return str(o)
 
             # extra values are formatted as str() if the encoder raises TypeError

livekit-agents/livekit/agents/llm/function_context.py

@@ -219,7 +219,7 @@ def is_type_supported(t: type) -> bool:
         for e in t:
             if initial_type is None:
                 initial_type = type(e.value)
-            if type(e.value) != initial_type:
+            if type(e.value) is not initial_type:
                 return False
 
         return initial_type in (str, int)