move issues from redmine to github

transfer_issues_redmine_to_github

# Used this script to transfer issues from my old redmine installation to github
# just used two existing codes to export and import and just had to adapt this a tiny bit

from redminelib import Redmine  # from https://python-redmine.com/resources/index.html
import urllib.request
import urllib.error
import urllib.parse
import json
import base64
import sys
import os
import time
import datetime


def send_request(post_data=None):
    """Adapted from https://github.com/IQAndreas/github-issues-import """
    if post_data is not None:
        post_data = json.dumps(post_data).encode("utf-8")

    full_url = 'https://api.github.com/repos/<username>/<project>/issues'
    req = urllib.request.Request(full_url, post_data)

    req.add_header("Authorization", b"token <Oauth token>")
    req.add_header("Content-Type", "application/json")
    req.add_header("Accept", "application/json")
    req.add_header("User-Agent", "issueimporter")

    try:
        response = urllib.request.urlopen(req)
        json_data = response.read()
    except urllib.error.HTTPError as error:

        error_details = error.read()
        error_details = json.loads(error_details.decode("utf-8"))

        error_message = "ERROR: There was a problem importing the issues.\n%s %s" % (
            error.code, error.reason)
        if 'message' in error_details:
            error_message += "\nDETAILS: " + error_details['message']
        sys.exit(error_message)

    return json.loads(json_data.decode("utf-8"))


redmine = Redmine('https://<base redmine url>', version='2.6.5', username='<username>', password='<password>')
a = redmine.issue.filter(status_id='*')

for i in sorted(a, key=lambda i: i.id):
    if i.project.name == "photo-tags":
        continue
    newissue = {}
    print("-"*30)
    print("id:      ", i.id)
    print("project: ", i.project)
    print("tracker: ", i.tracker)
    print("title:   ", i.subject)
    print("descr:   ", i.description)
    print("created: ", i.created_on)
    print("status:  ", i.status)
    print("author:  ", i.author)
    print("done:    ", i.done_ratio)
    print("commit:  ", i.changesets)
    print("changed: ", i.updated_on)

    # create issue
    newissue['title'] = i.subject
    if str(i.status) in ['Closed', 'Rejected']:
        newissue['title'] = "[Closed] "+newissue['title']
    if i.description:
        newissue['body'] = "{}\n\n".format(i.description)
    else:
        newissue['body'] = ""
    newissue['body'] += "Original creation date in redmine: {} by {}\n".format(i.created_on, i.author)
    if i.changesets:
        newissue['body'] += "mentioned in commit {}".format(i.changesets[0]['revision'])
    if str(i.tracker) == 'Feature':
        newissue['labels'] = ['enhancement']
    elif str(i.tracker) == 'Rejected':
        newissue['labels'] = ['wontfix']
    elif str(i.tracker) == 'Support':
        newissue['labels'] = []
    else:
        newissue['labels'] = [str(i.tracker)]
    if i.subject.startswith("GAME"):
        newissue['labels'].append("gameplay")
    if i.subject.startswith("STATISTICS"):
        newissue['labels'].append("stats")
    if i.subject.startswith("LAYOUT"):
        newissue['labels'].append("layout")
    print(newissue)
    send_request(newissue)
    time.sleep(5)

need to set your github name, project name and the redmine login and password to use the above file