Match requirement.txt with pip freeze stdout

match_requirements.py

import subprocess
result = subprocess.run(['pip', 'freeze'], stdout=subprocess.PIPE)
rq_file = open("requirements.txt", "r")
rq_file_versioned = open("requirements_versioned.txt", "w")
rq_versioned = list()
versioned_lines = result.stdout.decode("utf-8").split("\n")[:-1]
rq_lines = rq_file.readlines()
rq_file.close()

def match(dependency):
    global versioned_lines
    for versioned_line in versioned_lines:
        versioned_line = versioned_line.strip()
        dependency_bulk = versioned_line.split("==")[0]
        if dependency == dependency_bulk:
            print(f"FOUND : {dependency} => {versioned_line}")
            return versioned_line
    print(f"SKIP : {dependency}")
    return dependency


for rq_line in rq_lines:
    rq_line = rq_line.strip()
    dependency = rq_line.split("==")[0]
    rq_versioned.append(match(dependency))

rq_file_versioned.write("\n".join(rq_versioned))
rq_file_versioned.close()