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@f-steff
Created July 21, 2023 09:51
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Install Python package at runtime
import pkg_resources
import subprocess
import sys
import importlib
import pprint
def install(package):
print(f'\n=======> Checking status of {package}:', flush=True)
try:
dist = pkg_resources.get_distribution(package)
print('{} ({}) is installed'.format(dist.key, dist.version), flush=True)
except pkg_resources.DistributionNotFound:
print('{} is NOT installed'.format(package), flush=True)
subprocess.check_call([sys.executable, "-m", "pip", "install", package])
# After installation, import the module and print its version
try:
pkg = importlib.import_module(package)
print(f'{package} ({pkg.__version__}) is installed')
except ImportError:
print(f"Failed to import {package}")
print (f"\n\n\n=========================================\nReport versions, and install Python packages, if needed.\n", flush=True)
install('flask')
install('gunicorn')
install('docker')
print (f"\n\nPackages are ready for use.\n=========================================\n\n", flush=True)
# Now that we have ensured Flask is installed, we can import it and run our main program
from flask import Flask, request, Response, redirect, render_template
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