Using template to generate Dockerfile

templates/tools/dockerfile/test/python_testing_x64/Dockerfile.template

@@ -0,0 +1,34 @@
+%YAML 1.2
+--- |
+  # Copyright 2016 gRPC authors.
+  #
+  # Licensed under the Apache License, Version 2.0 (the "License");
+  # you may not use this file except in compliance with the License.
+  # You may obtain a copy of the License at
+  #
+  #     http://www.apache.org/licenses/LICENSE-2.0
+  #
+  # Unless required by applicable law or agreed to in writing, software
+  # distributed under the License is distributed on an "AS IS" BASIS,
+  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  # See the License for the specific language governing permissions and
+  # limitations under the License.
+  
+  FROM debian:stretch
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../gcp_api_libraries.include"/>
+  
+  # Install Python Versions from Debain 'testing' repository
+  RUN echo 'deb http://ftp.de.debian.org/debian testing main' >> /etc/apt/sources.list
+  RUN echo 'APT::Default-Release "stable";' | tee -a /etc/apt/apt.conf.d/00local
+  RUN apt-get update && apt-get -t testing install -y python2.7 python3.5 python3.6 python3.7 python-all-dev python3-all-dev
+
+  RUN curl https://bootstrap.pypa.io/get-pip.py | python2.7
+  RUN curl https://bootstrap.pypa.io/get-pip.py | python3.5
+  RUN curl https://bootstrap.pypa.io/get-pip.py | python3.6
+  RUN curl https://bootstrap.pypa.io/get-pip.py | python3.7
+
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]

tools/dockerfile/test/python_testing_x64/Dockerfile

@@ -53,32 +53,18 @@ RUN apt-get update && apt-get install -y time && apt-get clean
 RUN apt-get update && apt-get install -y python-pip && apt-get clean
 RUN pip install --upgrade google-api-python-client oauth2client
 
-#====================
-# Python dependencies
 
-# Install dependencies
-
-# RUN apt-get update && apt-get install -y \
-#     python-all-dev \
-#     python3-all-dev \
-#     python-pip
-
-# Install Python packages from PyPI
-# RUN pip install --upgrade pip==10.0.1
-# RUN pip install virtualenv
-# RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
-
-# Install Python 3
+# Install Python Versions from Debain 'testing' repository
 RUN echo 'deb http://ftp.de.debian.org/debian testing main' >> /etc/apt/sources.list
 RUN echo 'APT::Default-Release "stable";' | tee -a /etc/apt/apt.conf.d/00local
 RUN apt-get update && apt-get -t testing install -y python2.7 python3.5 python3.6 python3.7 python-all-dev python3-all-dev
-# RUN apt-get -t testing install -y python3-distutils
 
 RUN curl https://bootstrap.pypa.io/get-pip.py | python2.7
 RUN curl https://bootstrap.pypa.io/get-pip.py | python3.5
 RUN curl https://bootstrap.pypa.io/get-pip.py | python3.6
 RUN curl https://bootstrap.pypa.io/get-pip.py | python3.7
 
+
 RUN mkdir /var/local/jenkins
 
 # Define the default command.