Commit v0.3

v0.3 - Hello PythonDebugger

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Files changed (3)

• +4 -0 [M] docker-compose.yml
• +1 -1 [M] web/entrypoint.sh
• +14 -1 [M] web/flaskapp.py

File docker-compose.yml MODIFIED

• stdin_open : Open STDIN for debugger (--interactive , -i)
• tty : Allocate a pseudo-TTY for debugger (--tty , -t)

         command: ./entrypoint.sh
         volumes:
             - ./web:/web
+        stdin_open: true
+        tty: true

File web/entrypoint.sh MODIFIED

• --timeout : Extend worker lifetime 30 to 3600 to allow debugging session

     flaskapp:app \
     --bind :8000 \
     --workers 2 \
-    --timeout 3600 \
     --access-logfile logs/gunicorn-access.log \
     --error-logfile logs/gunicorn-error.log \
     --log-level info \
+    --timeout 3600 \
     --reload

File web/flaskapp.py MODIFIED

• Create route /debug and method hello_debug() to test the PythonDebugger.

+# run 'docker ps' to get the flaskapp_web CONTAINER_ID
+# run 'docker attach CONTAINER_ID' to connect a terminal session
+# pdb.set_trace() will launch the debugger in the attached terminal
+# see https://docs.python.org/3.6/library/pdb.html?highlight=pdb#debugger-commands
+@app.route('/debug')
+def hello_debug():
+    import pdb; pdb.set_trace()
+    return "Hello Python Debugger"

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Commit-v0.2 | Commit-v0.3 | Commit-v0.4