Initial CI stuff

resources/ci/install.py

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+import common
+import os         # for env vars
+import subprocess # do stuff at the shell level
+
+env = common.prepare_env()
+
+# get executables
+#  python
+#   linux/windows: python
+#   macosx:        python3
+#  pip
+#   linux/macosx: pip3
+#   windows:      pip
+PYTHON_EXECUTABLE = "python3" if "osx" in env["OS_NAME"] else "python"
+PIP_EXECUTABLE = "pip" if "windows" in env["OS_NAME"] else "pip3"
+PIP_EXECUTABLE = "pip" if "osx" in env["OS_NAME"] and "actions" in env["CI_SYSTEM"] else PIP_EXECUTABLE
+
+# upgrade pip
+subprocess.check_call([PYTHON_EXECUTABLE,"-m","pip","install","--upgrade","pip"])
+
+# pip version
+subprocess.check_call([PIP_EXECUTABLE,"--version"])
+# if pip3, install wheel
+if PIP_EXECUTABLE == "pip3":
+	subprocess.check_call([PIP_EXECUTABLE,"install","-U","wheel"])
+# install listed dependencies
+subprocess.check_call([PIP_EXECUTABLE,"install","-r","./resources/app/meta/manifests/pip_requirements.txt"])