DEVELOPMENT IS ON GITLAB: https://gitlab.kwant-project.org/qt/adaptive about adaptive HOT 3 CLOSED

import re
import gitlab
import github

gitlab_url = 'https://gitlab.kwant-project.org/'
repo_name_gl = 'qt/adaptive'
repo_name_gh = "python-adaptive/adaptive"

# gh = github.Github("...") # Joe
gh = github.Github("...") # Bas

gl = gitlab.Gitlab(gitlab_url, private_token=...', api_version=4)
gl.auth()

repo_gl = gl.projects.get(repo_name_gl)
mrs = repo_gl.mergerequests.list(state='opened')
issues = repo_gl.issues.list(all=True)

repo_gh = gh.get_repo(repo_name_gh)

def random_color():
    import random
    r = lambda: random.randint(0, 255)
    return '%02X%02X%02X' % (r(),r(),r())

def get_label(label):
    try:
        return repo_gh.create_label(label, color=random_color())
    except:
        return repo_gh.get_label(label)

def get_issue_body(issue, is_pr=False):
    attrs = issue.attributes
    author = attrs["author"]
    username_url = get_username_url(author["username"])
    url = attrs["web_url"]
    output = (f'## ([original {"merge request" if is_pr else "issue"} on GitLab]({url}))'
            '\n\n'
            f'_opened by {author["name"]} ({username_url}) at {attrs["created_at"]}_'
            '\n\n'
            f'{attrs["description"]}'
           )
    return parse(output)

def get_comment_body(discussion, url):
    attrs = discussion.attributes
    note = attrs['notes'][0]
    body = note['body']
    author = note['author']
    username_url = get_username_url(author["username"])
    output = (
        f'_originally posted by {author["name"]} ({username_url}) at {note["created_at"]} on [GitLab]({url})_'
        '\n\n'
        f'{body}'
       )
    return parse(output)

def human_posted(discussion):
    return not discussion.attributes['notes'][0]['system']

def get_username_url(username):
    url = gitlab_url + username
    return f'[@{username}]({url})'

def parse(text):
    repo_url = gitlab_url + repo_name_gl
    text = re.sub('!(\d{1,3})', rf'[gitlab:!\1]({repo_url}/merge_requests/\1)', text)
    text = re.sub('#(\d{1,3})', rf'[gitlab:#\1]({repo_url}/issues/\1)', text)
    return text

import time

for issue in issues:
    time.sleep(2)
    attrs = issue.attributes
    labels = [get_label(label) for label in attrs["labels"]]
    new_issue = repo_gh.create_issue(title=attrs['title'], body=get_issue_body(issue), labels=labels)
    for discussion in issue.discussions.list():
        if human_posted(discussion):
            time.sleep(0.5)
            comment_body = get_comment_body(discussion, attrs['web_url'])
            new_issue.create_comment(comment_body)
    if issue.attributes['state'] == 'closed':
        # Close the issue if closed on GitLab
        new_issue.edit(state="closed")

for mr in mrs:
    attrs = mr.attributes
    new_pr = repo_gh.create_pull(title=attrs['title'],
                                 body=get_issue_body(mr, is_pr=True),
                                 head=attrs['source_branch'],
                                 base=attrs['target_branch'],
                                 maintainer_can_modify=True)
    for discussion in mr.discussions.list():
        if human_posted(discussion):
            comment_body = get_comment_body(discussion, attrs['web_url'])
            new_pr.create_issue_comment(comment_body)