Read composer.json and composer.lock

composerInfo.py

# Which directory have composer.json and composer.lock
parser = argparse.ArgumentParser()
parser.add_argument('--path', help='Relative directory that contains the composer files')
cdir = parser.parse_args().path

# Reads composer.json for constraints
reqPack = {}
with open(cdir +'/composer.json') as json_file:
    data = json.loads(json.dumps(json.load(json_file)))
    for package in data['require']:
        packageStr = str(package)
        if package == 'php':
            continue
        if package.startswith('ext-'):
            continue
        reqPack[packageStr] = str(data['require'][package])

# Reads composer.lock for installed versions
inPack = {}
with open(cdir + '/composer.lock') as json_file:
    lockdata = json.loads(json.dumps(json.load(json_file)))
    for package in lockdata['packages']:
        for key in package:
            if str(key) == 'name' and str(package[key]) in reqPack:
                inPack[str(package['name'])] = str(package['version'])