.

Author: ericbusboom

.devcontainer/Dockerfile

@@ -0,0 +1,27 @@
+FROM mcr.microsoft.com/devcontainers/python:1-3.12-bookworm
+
+# [Optional] Allow the vscode user to pip install globally w/o sudo
+# ENV PIP_TARGET=/usr/local/pip-global
+# ENV PYTHONPATH=${PIP_TARGET}:${PYTHONPATH}
+# ENV PATH=${PIP_TARGET}/bin:${PATH}
+# RUN mkdir -p ${PIP_TARGET} \
+#     && chown vscode:root ${PIP_TARGET} \
+#     && echo "if [ \"\$(stat -c '%U' ${PIP_TARGET})\" != \"vscode\" ]; then chown -R vscode:root ${PIP_TARGET}; fi" \
+#         | tee -a /root/.bashrc /home/vscode/.bashrc /root/.zshrc >> /home/vscode/.zshrc 
+
+# copy dependency sync script for session and package management
+COPY ./.devcontainer/sync_deps.py /workspaces/session/post-start/
+
+# [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
+
+# copy requirements list into layer of dev image
+COPY requirements.txt /workspaces/session/
+RUN pip --disable-pip-version-check --no-cache-dir install -r /workspaces/session/requirements.txt
+
+# [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>

.devcontainer/devcontainer.json

@@ -5,13 +5,15 @@
 
 	// This is the default
 	// "image": "mcr.microsoft.com/devcontainers/universal:2",
-
-	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	//"image": "mcr.microsoft.com/devcontainers/python:1-${templateOption:imageVariant}",
 	//"image": "mcr.microsoft.com/devcontainers/python:1-3.12-bookworm",
 
 	// Using the prebuild
-	"image": "ghcr.io/league-infrastructure/jtlpython:latest",
+	// "image": "ghcr.io/league-infrastructure/jtlpython:latest",
+
+	"build": {
+		"dockerfile": "Dockerfile",
+		"context": ".."
+	  },
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	"features": {

.devcontainer/sync_deps.py

@@ -0,0 +1,88 @@
+#!/usr/local/bin/python
+
+#-----------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See LICENSE in the project root for license information.
+#-----------------------------------------------------------------------------------------
+import os
+import sys
+import difflib
+
+orig_deps_file = './../session/requirements.txt'
+new_deps_file = './requirements.txt'
+
+'''
+read package dependencies listed in requirements.txt files
+'''
+def read_dependencies():
+    orig_deps = ""
+    new_deps = ""
+    if os.path.exists(orig_deps_file)and os.path.exists(new_deps_file):
+        orig_deps = open(orig_deps_file, 'r')
+        new_deps = open(new_deps_file, 'r')
+    else:
+        raise Exception("A requirements.txt file was not found")
+    return orig_deps, new_deps
+
+'''
+report the diff between two requirements.txt files
+'''
+def report_changes(orig_deps, new_deps):
+    change_report = difflib.ndiff(orig_deps.readlines(), new_deps.readlines())
+    return change_report
+
+'''
+sync changes by detecting changes in requirements.txt to pip un-/install
+'''
+def sync_changes(change_report):
+    changes_detected = False
+    for change in change_report:
+        if change.startswith('- '):
+            dependency = change[2:].replace('\n','')
+            auto_uninstall = "-y"
+            print("Detected requirements.txt change for [{dep}] \n".format(dep=dependency))
+            sys.stdout.flush()
+            # Note: Uninstall will not remove site-packages/dist-info directories or resultant dangling dependencies
+            os.system("sudo pip --no-cache-dir uninstall {uninstall} {dep}".format(uninstall=auto_uninstall, dep=dependency))
+            changes_detected = True
+        if change.startswith('+ '):
+            dependency = change[2:].replace('\n','')
+            print("Detected requirements.txt change for [{dep}] \n".format(dep=dependency))
+            sys.stdout.flush()
+            os.system("sudo pip --no-cache-dir install {dep}".format(dep=dependency))
+            changes_detected = True
+    return changes_detected
+
+'''
+replace session requirements with newest dependencies
+'''
+def replace_session_deps(changes_detected):
+    if not changes_detected:
+        print("No changes detected \n")
+        sys.stdout.flush()
+        return
+    
+    if os.path.exists(orig_deps_file) and os.path.exists(new_deps_file):
+        os.remove(orig_deps_file )
+        print("Updating session with latest requirements.txt \n")
+        sys.stdout.flush()
+        with open(new_deps_file) as new_deps:
+            with open(orig_deps_file, "w") as orig_deps:
+                for line in new_deps:
+                    orig_deps.write(line)
+    else:
+        raise Exception("A requirements.txt file was not found \n")
+
+def main():
+    try:
+        print("main module: syncing requirements.txt deps for devcontainer session in [os:{os}]...\n".format(os=sys.platform))
+        sys.stdout.flush()
+        orig_deps, new_deps = read_dependencies()
+        change_report = report_changes(orig_deps, new_deps)
+        changes_detected = sync_changes(change_report)
+        replace_session_deps(changes_detected)
+    except Exception as ex:
+        print(str(ex))
+
+if __name__ == '__main__':
+    sys.exit(main())