PR for Dave's demo

.devcontainer/Dockerfile

@@ -0,0 +1,23 @@
+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.236.0/containers/python-3/.devcontainer/base.Dockerfile
+
+# [Choice] Python version (use -bullseye variants on local arm64/Apple Silicon): 3, 3.10, 3.9, 3.8, 3.7, 3.6, 3-bullseye, 3.10-bullseye, 3.9-bullseye, 3.8-bullseye, 3.7-bullseye, 3.6-bullseye, 3-buster, 3.10-buster, 3.9-buster, 3.8-buster, 3.7-buster, 3.6-buster
+ARG VARIANT="3.10-bullseye"
+FROM mcr.microsoft.com/vscode/devcontainers/python:0-${VARIANT}
+
+# [Choice] Node.js version: none, lts/*, 16, 14, 12, 10
+ARG NODE_VERSION="none"
+RUN if [ "${NODE_VERSION}" != "none" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
+
+#COPY .devcontainer/codestream.vsix /home/vscode/codestream.vsix
+
+# [Optional] If your pip requirements rarely change, uncomment this section to add them to the image.
+# COPY requirements.txt /tmp/pip-tmp/
+# RUN pip3 --disable-pip-version-check --no-cache-dir install -r /tmp/pip-tmp/requirements.txt \
+#    && rm -rf /tmp/pip-tmp
+
+# [Optional] Uncomment this section to install additional OS packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
+
+# [Optional] Uncomment this line to install global node packages.
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1

.devcontainer/devcontainer.json

@@ -0,0 +1,58 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.236.0/containers/python-3
+{
+	"name": "Python 3",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"context": "..",
+		"args": { 
+			// Update 'VARIANT' to pick a Python version: 3, 3.10, 3.9, 3.8, 3.7, 3.6
+			// Append -bullseye or -buster to pin to an OS version.
+			// Use -bullseye variants on local on arm64/Apple Silicon.
+			"VARIANT": "3.10-bullseye",
+			// Options
+			"NODE_VERSION": "none"
+		}
+	},
+
+	// Configure tool-specific properties.
+	"customizations": {
+		// Configure properties specific to VS Code.
+		"vscode": {
+			// Set *default* container specific settings.json values on container create.
+			"settings": { 
+				"python.defaultInterpreterPath": "/usr/local/bin/python",
+				"python.linting.enabled": true,
+				"python.linting.pylintEnabled": true,
+				"python.formatting.autopep8Path": "/usr/local/py-utils/bin/autopep8",
+				"python.formatting.blackPath": "/usr/local/py-utils/bin/black",
+				"python.formatting.yapfPath": "/usr/local/py-utils/bin/yapf",
+				"python.linting.banditPath": "/usr/local/py-utils/bin/bandit",
+				"python.linting.flake8Path": "/usr/local/py-utils/bin/flake8",
+				"python.linting.mypyPath": "/usr/local/py-utils/bin/mypy",
+				"python.linting.pycodestylePath": "/usr/local/py-utils/bin/pycodestyle",
+				"python.linting.pydocstylePath": "/usr/local/py-utils/bin/pydocstyle",
+				"python.linting.pylintPath": "/usr/local/py-utils/bin/pylint",
+				"codestream.serverUrl": "https://staging-api.codestream.us"
+			},
+
+			// Add the IDs of extensions you want installed when the container is created.
+			"extensions": [
+				"ms-python.vscode-pylance",
+				"codestream.codestream",
+//				"/home/vscode/codestream.vsix",
+				"ms-azuretools.vscode-docker"
+			]
+		}
+	},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "pip3 install --user -r requirements.txt",
+
+	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode",
+	"postCreateCommand": "pip install -r ./requirements.txt"
+}

.gitignore

@@ -143,3 +143,5 @@ dmypy.json
 
 # Cython debug symbols
 cython_debug/
+
+.vscode/

src/routes/app.py

@@ -24,15 +24,15 @@ def hello_world():
     return "Hello World!"
 
 
-@app.route("/error")
+@app.route("/error") # Dave changed this
 def error():
-    raise ValueError("1 != 0")
+    raise ValueError("1 != 0") # Dave changed that
 
 
-@app.route("/external")
+@app.route("/external") # Dave changed more
 def external_call():
     req = requests.get("http://localhost:8000/external/source")
-    req.raise_for_status()
+    req.raise_for_status() # Dave changed things
 
     return " ".join(("External:", req.text))
 

src/routes/db.py

@@ -2,7 +2,7 @@
 import sqlite3
 import string
 
-
+# All the changes
 def connect():
     db_path = os.path.join(os.path.dirname(__file__), "example.db")
     if os.path.exists(db_path):