fix: erpnext image build

improve travis.py
python packages not installed in editable mode
use venv module instead of virtualenv

build/common/worker/install_app.sh

@@ -13,4 +13,4 @@ cd ./apps
 [ "${APP_BRANCH}" ] && BRANCH="-b ${APP_BRANCH}"
 
 git clone --depth 1 -o upstream ${APP_REPO} ${BRANCH}
-pip3 install --no-cache-dir -e /home/frappe/frappe-bench/apps/${APP_NAME}
+pip3 install --no-cache-dir /home/frappe/frappe-bench/apps/${APP_NAME}

build/erpnext-nginx/Dockerfile

@@ -1,12 +1,12 @@
 ARG NODE_IMAGE_TAG=12-prod
+ARG GIT_BRANCH=develop
 FROM bitnami/node:${NODE_IMAGE_TAG}
 
+ARG GIT_BRANCH
 COPY build/erpnext-nginx/install_app.sh /install_app
 
-ARG GIT_BRANCH=develop
 RUN /install_app erpnext https://github.com/frappe/erpnext ${GIT_BRANCH}
 
-ARG GIT_BRANCH=develop
 FROM frappe/frappe-nginx:${GIT_BRANCH}
 
 COPY --from=0 /home/frappe/frappe-bench/sites/ /var/www/html/

build/erpnext-worker/Dockerfile

@@ -1,5 +1,5 @@
 ARG GIT_BRANCH=develop
 FROM frappe/frappe-worker:${GIT_BRANCH}
 
-ARG GIT_BRANCH=develop
+ARG GIT_BRANCH
 RUN install_app erpnext https://github.com/frappe/erpnext ${GIT_BRANCH}

build/frappe-worker/Dockerfile

@@ -32,11 +32,11 @@ RUN install_packages \
 RUN mkdir -p apps logs commands /home/frappe/backups
 
 # Setup python environment
-RUN virtualenv env \
+RUN python -m venv env \
     && . env/bin/activate \
     && cd apps \
     && git clone --depth 1 -o upstream https://github.com/frappe/frappe --branch ${GIT_BRANCH} \
-    && pip3 install --no-cache-dir -e /home/frappe/frappe-bench/apps/frappe
+    && pip3 install --no-cache-dir /home/frappe/frappe-bench/apps/frappe
 
 # Copy scripts and templates
 COPY build/common/commands/* /home/frappe/frappe-bench/commands/

travis.py

@@ -4,21 +4,24 @@ import argparse
 import subprocess
 import os
 
-parser = argparse.ArgumentParser(description='frappe_docker common CI elements', add_help=True)
+def parse_args():
+    parser = argparse.ArgumentParser(description='frappe_docker common CI elements', add_help=True)
 
-parser.add_argument('service', action='store', type=str, help='Name of the service to build: "erpnext" or "frappe"')
+    parser.add_argument('service', action='store', type=str, help='Name of the service to build: "erpnext" or "frappe"')
-parser.add_argument('-o', '--tag-only', required=False, action='store_true', dest='tag_only', help='Only tag an image and push it.')
+    parser.add_argument('-o', '--tag-only', required=False, action='store_true', dest='tag_only', help='Only tag an image and push it.')
 
-image_type = parser.add_mutually_exclusive_group(required=True)
+    image_type = parser.add_mutually_exclusive_group(required=True)
-image_type.add_argument('-a', '--nginx', action='store_const', dest='image_type', const='nginx', help='Build the nginx + static assets image')
+    image_type.add_argument('-a', '--nginx', action='store_const', dest='image_type', const='nginx', help='Build the nginx + static assets image')
-image_type.add_argument('-s', '--socketio', action='store_const', dest='image_type', const='socketio', help='Build the frappe-socketio image')
+    image_type.add_argument('-s', '--socketio', action='store_const', dest='image_type', const='socketio', help='Build the frappe-socketio image')
-image_type.add_argument('-w', '--worker', action='store_const', dest='image_type', const='worker', help='Build the python environment image')
+    image_type.add_argument('-w', '--worker', action='store_const', dest='image_type', const='worker', help='Build the python environment image')
 
-tag_type = parser.add_mutually_exclusive_group(required=True)
+    tag_type = parser.add_mutually_exclusive_group(required=True)
-tag_type.add_argument('-g', '--git-version', action='store', type=str, dest='version', help='The version number of service (i.e. "11", "12", etc.)')
+    tag_type.add_argument('-g', '--git-version', action='store', type=str, dest='version', help='The version number of service (i.e. "11", "12", etc.)')
-tag_type.add_argument('-t', '--tag', action='store', type=str, dest='tag', help='The image tag (i.e. erpnext-worker:$TAG )')
+    tag_type.add_argument('-t', '--tag', action='store', type=str, dest='tag', help='The image tag (i.e. erpnext-worker:$TAG )')
+
+    args = parser.parse_args()
+    return args
 
-args = parser.parse_args()
 
 def git_version(service, version, branch):
     print(f'Pulling {service} v{version}')
@@ -34,6 +37,7 @@ def git_version(service, version, branch):
     os.chdir(cd)
     return version_tag
 
+
 def build(service, tag, image, branch):
     build_args = f'--build-arg GIT_BRANCH={branch}'
     if service == 'nginx' and branch == 'version-11':
@@ -43,12 +47,15 @@ def build(service, tag, image, branch):
     subprocess.run(f'docker build {build_args} -t {service}-{image} -f build/{service}-{image}/Dockerfile .', shell=True)
     tag_and_push(f'{service}-{image}', tag)
 
+
 def tag_and_push(image_name, tag):
     print(f'Tagging {image_name} as "{tag}" and pushing')
     subprocess.run(f'docker tag {image_name} frappe/{image_name}:{tag}', shell=True)
     subprocess.run(f'docker push frappe/{image_name}:{tag}', shell=True)
 
+
 def main():
+    args = parse_args()
     tag = args.tag
     branch = 'develop'
 
@@ -61,4 +68,5 @@ def main():
     else:
         build(args.service, tag, args.image_type, branch)
 
-main()
+if __name__ == "__main__":
+    main()