Simple sharelatex to git repo dumper in python ugly but usefull

sharelatex_dump.py

#!/usr/bin/env python3
'''
    Simple Python Module to dump sharelatex onto gitlab
    apt install git
    apt install python3
    apt install python3-requests
'''
import sys
import os
import shutil
from subprocess import check_output, CalledProcessError
import re
import requests

if len(sys.argv) != 7:
    print('python3 dump.py EMAIL_SHARELATEX PASSWORD_SHARELATEX '
          + 'PROJECT_ID GIT_PROJECT GIT_ORIGIN BRANCH')
    sys.exit(1)
EMAIL_SHARELATEX = sys.argv[1]  # user@example.com
PASSWORD_SHARELATEX = sys.argv[2]  # 'secret_password' (clear text)
URL_SHARELATEX = 'https://share.cellebyte.de' # sharelatex url
PROJECT_ID = sys.argv[3] # '59ff3bbe1d9f9300718ea4ff' # https://share.cellebyte.de/project/PROJECT_ID
GIT_PROJECT = sys.argv[4]  # 'tischkicker_doku'
GIT_ORIGIN = sys.argv[5]  # 'git@github.com:$NAMESPACE/{}.git'.format(GIT_PROJECT)
BRANCH = sys.argv[6]  # 'dumper'


def main():
    '''
        Main Routine for dumping it to git
    '''
    session = requests.Session()
    response = session.get(URL_SHARELATEX + '/login')
    login_site = response.text

    token = re.findall(
        r'<input name="_csrf" type="hidden" value="(?P<token>.*?)">', login_site)
    print(token)
    response = session.post(
         '{}/login'.format(URL_SHARELATEX), data={
            '_csrf': token,
            'email': EMAIL_SHARELATEX,
            'password': PASSWORD_SHARELATEX})
    print(response.status_code)
    git_path = os.path.join('/tmp', GIT_PROJECT)
    if not os.path.exists(git_path):
        try:
            print(check_output(['git', 'clone', GIT_ORIGIN, git_path]))
        except CalledProcessError as error:
            print(error.returncode, error.output)
    try:
        print(check_output(['git', '-C', git_path, 'fetch', '--all']))
        print(check_output(['git', '-C', git_path, 'checkout', BRANCH]))
        print(check_output(['git', '-C', git_path, 'pull']))
        print(check_output(['git', '-C', git_path,
                            'config', 'user.name', 'sharelatex_' + BRANCH]))
        print(check_output(['git', '-C', git_path,
                            'config', 'push.default', 'simple']))
        print(check_output(['git', '-C', git_path,
                            'config', 'user.email', BRANCH + '@example.com']))

    except CalledProcessError as error:
        print(error.returncode, error.output)
    for thing in os.listdir(git_path):
        if not re.findall(r'^\.\w+$', thing, flags=re.MULTILINE):
            try:
                shutil.rmtree(os.path.join(git_path, thing))
            except NotADirectoryError:
                try:
                    os.remove(os.path.join(git_path, thing))
                except Exception:
                    pass

    response = session.get('{}/project/{}/download/zip'.format(URL_SHARELATEX,PROJECT_ID))
    dump = os.path.join(git_path, '{}.zip'.format(GIT_PROJECT)
    with open(dump, 'wb') as file_dump:
        for chunk in response.iter_content(chunk_size=128):
            file_dump.write(chunk)
    try:
        check_output(['unzip', dump, '-d', git_path])
        check_output(['rm', dump])
        check_output(['git', '-C', git_path, 'add', '.'])
        output = check_output(['git', '-C', git_path, 'status'])
        output = output.decode(sys.stdout.encoding)
        print(output)
        matches = re.findall(
            r'^\t(?P<statement>.*?):\s+(?P<file>.*?)$', output, re.MULTILINE)
        commit_message = 'Dumper recognizes these files:\n'
        for statement, file_name in matches:
            formatted = '  {}:   {}\n'.format(statement, file_name)
            commit_message = commit_message + formatted
        commit_message = commit_message + '\n\nPlease revert if changes are not right'
        print(check_output(
            ['git', '-C', git_path, 'commit', '-m', commit_message]))
        print(check_output(['git', '-C', git_path, 'push']))
    except CalledProcessError as error:
        print(error.returncode, error.output)


if __name__ == '__main__':
    main()