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| 1 | +#!/usr/bin/env python3 |
| 2 | +import requests |
| 3 | +from packaging import version |
| 4 | +from argparse import ArgumentParser |
| 5 | +import re |
| 6 | +import os |
| 7 | +import datetime |
| 8 | +import json |
| 9 | +from functools import reduce |
| 10 | + |
| 11 | + |
| 12 | +def make_auth_header(token): |
| 13 | + return {"Authorization": f"token {token}"} |
| 14 | + |
| 15 | + |
| 16 | +def list_github_tags(token, repo): |
| 17 | + return requests.get(f"https://api.github.com/repos/{repo}/tags", headers=make_auth_header(token)).json() |
| 18 | + |
| 19 | + |
| 20 | +def list_version_tags(github_tags): |
| 21 | + return list(filter(lambda v: isinstance(v, version.Version), map(lambda t: version.parse(t['name']), github_tags))) |
| 22 | + |
| 23 | + |
| 24 | +def reduce_tag(acc, tag): |
| 25 | + acc[version.parse(tag['name'])] = tag |
| 26 | + return acc |
| 27 | + |
| 28 | + |
| 29 | +def make_tags_search_hash(github_tags): |
| 30 | + return reduce(reduce_tag, github_tags, {}) |
| 31 | + |
| 32 | + |
| 33 | +def get_latest_version(parsed_tags): |
| 34 | + sorted_tags = sorted(parsed_tags, reverse=True) |
| 35 | + if sorted_tags: |
| 36 | + return sorted_tags[0] |
| 37 | + else: |
| 38 | + return version.parse("0.0.0") |
| 39 | + |
| 40 | + |
| 41 | +def get_branch_commit_sha(token, repo, branch): |
| 42 | + url = f"https://api.github.com/repos/{repo}/branches/{branch}" |
| 43 | + return requests.get(url, headers=make_auth_header(token)).json()['commit']['sha'] |
| 44 | + |
| 45 | + |
| 46 | +def get_branch_commit_message(token, repo, branch): |
| 47 | + url = f"https://api.github.com/repos/{repo}/branches/{branch}" |
| 48 | + return requests.get(url, headers=make_auth_header(token)).json()['commit']['commit']['message'] |
| 49 | + |
| 50 | + |
| 51 | +def create_lightweight_tag(token, repo, tag_obj): |
| 52 | + url = f"https://api.github.com/repos/{repo}/git/refs" |
| 53 | + r = requests.post(url, headers=make_auth_header(token), json=tag_obj) |
| 54 | + # meh, just roughly |
| 55 | + if 201 <= r.status_code < 300: |
| 56 | + return True |
| 57 | + else: |
| 58 | + print( |
| 59 | + f"Failed to create tag {json.dumps(tag_obj, indent=4)}, because {r.status_code} {json.dumps(r.json(), indent=4)}") |
| 60 | + return False |
| 61 | + |
| 62 | + |
| 63 | +def create_annotated_tag(token, repo, tag_obj): |
| 64 | + url = f"https://api.github.com/repos/{repo}/git/tags" |
| 65 | + r = requests.post(url, headers=make_auth_header(token), json=tag_obj) |
| 66 | + # meh, just roughly |
| 67 | + if 201 <= r.status_code < 300: |
| 68 | + return True |
| 69 | + else: |
| 70 | + print( |
| 71 | + f"Failed to create tag {json.dumps(tag_obj, indent=4)}, because {r.status_code} {json.dumps(r.json(), indent=4)}") |
| 72 | + return False |
| 73 | + |
| 74 | + |
| 75 | +def make_lightweight_tag_object(version, sha): |
| 76 | + return { |
| 77 | + "ref": f"refs/tags/v{version}", |
| 78 | + "sha": sha |
| 79 | + } |
| 80 | + |
| 81 | + |
| 82 | +def make_annotated_tag_object(version, tag_message, sha, tagger='CI Bot', email='travis@travis'): |
| 83 | + date = datetime.datetime.now().astimezone().replace(microsecond=0).isoformat() |
| 84 | + return { |
| 85 | + "tag": f"v{version}", |
| 86 | + "message": tag_message, |
| 87 | + "object": sha, |
| 88 | + "type": "commit", |
| 89 | + "tagger": { |
| 90 | + "name": tagger, |
| 91 | + "email": email, |
| 92 | + "date": date |
| 93 | + } |
| 94 | + } |
| 95 | + |
| 96 | + |
| 97 | +if __name__ == "__main__": |
| 98 | + parser = ArgumentParser(description="Calculates and returns new version based on the version tags of the " |
| 99 | + "specified repo, only PEP440 versions are taken into account. " |
| 100 | + "If micro version is not passed, " |
| 101 | + "version is incremented by --increment, default is 1") |
| 102 | + parser.add_argument("-t", "--token", dest="token", |
| 103 | + help="github api token, if not set taken from GITHUB_SECRET_TOKEN", |
| 104 | + default=os.getenv('GITHUB_SECRET_TOKEN')) |
| 105 | + parser.add_argument("-c", "--create_release", action="store_true", default=False, |
| 106 | + dest="do_release", help="create calculated new release") |
| 107 | + parser.add_argument("-b", "--branch", dest="branch", help="branch to tag", default="master") |
| 108 | + parser.add_argument("-r", "--repo", dest="repo", help="github repo", required=True) |
| 109 | + parser.add_argument("-re", "--commit_message_regex", dest="regex", default=".*", |
| 110 | + help="commit regex to be tagged, if not set any commit on given branch will be tagged") |
| 111 | + parser.add_argument("-m", "--micro", dest="micro", type=int, help="new micro version <major>.<minor>.<micro>") |
| 112 | + parser.add_argument("-i", "--increment", dest="increment", help="increment minor version by this number", |
| 113 | + default=1, type=int) |
| 114 | + options = parser.parse_args() |
| 115 | + sec_token = options.token |
| 116 | + if not sec_token: |
| 117 | + print("Secret token is not set neither by parameter nor by environment variable") |
| 118 | + exit(1) |
| 119 | + repo = options.repo |
| 120 | + do_release = options.do_release |
| 121 | + newmicro = options.micro |
| 122 | + increment = options.increment |
| 123 | + branch = options.branch |
| 124 | + regex = options.regex |
| 125 | + tags = list_github_tags(sec_token, repo) |
| 126 | + tag_search = make_tags_search_hash(tags) |
| 127 | + parsed_tags = list_version_tags(tags) |
| 128 | + latest = get_latest_version(parsed_tags) |
| 129 | + latest_tag_sha = tag_search[latest]['commit']['sha'] |
| 130 | + ma = latest.major |
| 131 | + mi = latest.minor |
| 132 | + mic = latest.micro |
| 133 | + if newmicro: |
| 134 | + if mic > newmicro: |
| 135 | + print(f"latest micro version {ma}.{mi}.{mic} is bigger than provided, provided {newmicro}") |
| 136 | + exit(1) |
| 137 | + else: |
| 138 | + newrel_version = f"{ma}.{mi}.{newmicro}" |
| 139 | + else: |
| 140 | + newrel_version = f"{ma}.{mi}.{mic + 1}" |
| 141 | + new_commit_sha = get_branch_commit_sha(sec_token, repo, branch) |
| 142 | + commit_message = get_branch_commit_message(sec_token, repo, branch) |
| 143 | + tag_anno_obj = make_annotated_tag_object(newrel_version, commit_message, new_commit_sha) |
| 144 | + tag_ref_obj = make_lightweight_tag_object(newrel_version, new_commit_sha) |
| 145 | + create_log = f"Will create tag \n{json.dumps(tag_anno_obj, indent=4)} \n" \ |
| 146 | + f" new commit {new_commit_sha}, tag {newrel_version}\n " \ |
| 147 | + f"old commit {latest_tag_sha}, tag {str(latest)}" |
| 148 | + if re.match(regex, commit_message): |
| 149 | + print(f"Commit message {commit_message} matched {regex}, proceeding to release {newrel_version}") |
| 150 | + if latest_tag_sha == new_commit_sha: |
| 151 | + print(f"Release aborted release {latest} already created for {new_commit_sha}") |
| 152 | + else: |
| 153 | + if do_release: |
| 154 | + print(create_log) |
| 155 | + create_annotated_tag(sec_token, repo, tag_anno_obj) |
| 156 | + create_lightweight_tag(sec_token, repo, tag_ref_obj) |
| 157 | + else: |
| 158 | + print(create_log) |
| 159 | + print("Release aborted, specify -c to actually do release") |
| 160 | + else: |
| 161 | + print(f"Commit message {commit_message} don't match {regex}, aborted release") |
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