Add Github Actions support (#509)

Add Github Actions support for Windows, Mac and Linux
Add deploy step for CPT

Signed-off-by: Uilian Ries <[email protected]>

.github/deploy/release_changelog.py

@@ -0,0 +1,247 @@
+import argparse
+import os
+import re
+from datetime import date
+
+from github import Github
+
+
+GH_TOKEN = os.getenv("GH_TOKEN")
+GH_COMMIT = os.getenv("GITHUB_SHA")
+REPOSITORY = os.getenv("GITHUB_REPOSITORY") or "conan-io/conan-package-tools"
+TAG = "changelog:"
+DOCS_TAG = "docs:"
+
+
+class GHReleaser(object):
+    def __init__(self, gh_token, repository):
+        tmp = Github(gh_token)
+        self._repo = tmp.get_repo(repository)
+
+    def release(self, version, changelog, commit_hash, files=None):
+        d = date.today()
+        d_str = d.strftime("%d-%b-%Y")
+        release_name = "%s (%s)" % (version, d_str)
+        release = self._repo.create_git_release(version,
+                                                name=release_name,
+                                                message=changelog,
+                                                target_commitish=commit_hash,
+                                                draft=True)
+        if files:
+            for the_file in files:
+                release.upload_asset(the_file)
+
+        release.update_release(name=release_name,
+                               message=changelog,
+                               draft=False)
+
+
+def get_changelog_markdown(version, repository, gh_token, with_docs=True):
+    changelogs, errors = get_changelogs(repository, version, gh_token, with_docs=with_docs)
+    if errors:
+        raise Exception("Check the errors in the changelog and try again")
+
+    markdown = get_markdown(changelogs)
+    return markdown
+
+
+def get_changelog_rst(version, repository, gh_token, docs=True):
+    changelogs, errors = get_changelogs(repository, version, gh_token, with_docs=docs)
+    if errors:
+        raise Exception("Check the errors in the changelog and try again")
+
+    rst = get_rst(changelogs)
+    return rst
+
+
+def get_rst(changelogs):
+    c = order_changelogs(changelogs)
+    rst = format_to_rst(c)
+    return rst
+
+
+def format_to_rst(changelogs):
+    lines = []
+    for x in changelogs:
+        if x[2]: # With docs
+            lines.append("- %s `#%s <%s>`_ . Docs `here <%s>`__" % (x[0],
+                                                                  x[1].split("/")[-1],
+                                                                  x[1],
+                                                                  x[2]))
+        else:
+            lines.append("- %s `#%s <%s>`_" % (x[0], x[1].split("/")[-1], x[1]))
+    tmp = "\n".join(lines)
+
+    commands = ["install", "config", "get", "info", "search", "new", "create", "upload", "export",
+                "export-pkg", "test", "source", "build", "package", "profile", "remote", "user",
+                "imports", "copy", "remove", "alias", "download", "help", "inspect"]
+
+    # Format detected commands with :command:
+    for cmd in commands:
+        regex = r"`{1,2}(conan %s)`{1,2}" % cmd
+        tmp = re.sub(regex, r":command:`\1`", tmp)
+    return tmp + "\n"
+
+
+def print_step(message):
+    print("\n\n*******************************************************************")
+    print("* %s" % message)
+    print("*******************************************************************\n")
+
+
+def get_changelogs(repo_name, milestone, gh_token, with_docs=True):
+    err = False
+    changelogs = []
+
+    g = Github(gh_token)
+    repo = g.get_repo(repo_name)
+
+    print("Searching for {} milestone".format(milestone))
+    tmp = milestone.split(".")
+    if len(tmp) == 3 and tmp[2] == "0":
+        milestone_alternative = ".".join(tmp[0:2])
+    else:
+        milestone_alternative = milestone
+
+    milestone = milestone_by_name(repo, (milestone, milestone_alternative))
+    if not milestone:
+        print("ERROR: Milestone not found!")
+        exit(1)
+
+    print("Reading issues from GH api...")
+    issues = repo.get_issues(milestone=milestone, state="all")
+    print("done!")
+
+    for issue in issues:
+        if issue.pull_request:
+            body = issue.body
+            if TAG in body.lower():
+                tmp = _get_tag_text(TAG, body)
+                if with_docs:
+                    if DOCS_TAG not in body.lower():
+                        print("WARNING: Empty DOCS for changelog at %s" % issue.html_url)
+                        err = True
+                        continue
+                    docs_link = _get_tag_text(DOCS_TAG, body)
+                else:
+                    docs_link = None
+                if docs_link:
+                    if not docs_link[0].strip().startswith("https://github.com/conan-io/docs/") or docs_link[0].strip().endswith("XXX"):
+                        print("WARNING: Invalid DOCS tag for changelog at %s (%s)" % (issue.html_url, docs_link))
+                        err = True
+                        continue
+                    else:
+                        pr_number = docs_link[0].rsplit('/', 1)[1]
+                        docs_repo = g.get_repo("conan-io/docs")
+                        docs_pr = docs_repo.get_pull(int(pr_number))
+                        if not docs_pr.merged:
+                            print("WARNING: Docs PR #{} is not merged.".format(pr_number))
+                            err = True
+                            continue
+                    changelogs.extend([(cl, issue.html_url, docs_link[0]) for cl in tmp])
+                else:
+                    changelogs.extend([(cl, issue.html_url, None) for cl in tmp])
+            else:
+                print("WARNING: Empty changelog at %s" % issue.html_url)
+                err = True
+                continue
+    return changelogs, err
+
+
+def milestone_by_name(repo, milestone_names):
+    milestones = list(repo.get_milestones(state="all"))
+    for milestone in milestones:
+        if milestone.title in milestone_names:
+            return milestone
+    return None
+
+
+def _get_tag_text(tag, body):
+    ret = []
+    pos = body.lower().find(tag)
+    while pos != -1:
+        cl = body[pos + len(tag):].splitlines()[0]
+        cl = cl.strip().strip("-")
+        # Just in case "omitted" or "omit" appears in the explanation
+        if cl and ("omit" not in cl.lower() or len(cl) > 20):
+            ret.append(cl)
+        body = body[pos + len(tag):]
+        pos = body.lower().find(tag)
+    return ret
+
+
+def get_markdown(changelogs):
+    c = order_changelogs(changelogs)
+    markdown = format_to_gh(c)
+    return markdown
+
+
+def order_changelogs(changelogs):
+    def weight(element, raising=True):
+        global error
+        el = element[0]
+        if el.lower().startswith("feature:"):
+            return 0
+        elif el.lower().startswith("bugfix:"):
+            return 2
+        elif el.lower().startswith("fix:"):
+            return 1
+        else:
+            msg = "WARNING: Invalid tag '%s' at %s" % (el.split(" ")[0], element[1])
+            if raising:
+                raise Exception("Check the errors and try again")
+            else:
+                print(msg)
+    # To print the errors
+    sorted(changelogs, key=lambda x: weight(x, raising=False))
+    # To raise when errored
+    return sorted(changelogs, key=lambda x: weight(x))
+
+
+def format_to_gh(changelogs):
+    lines = []
+    for x in changelogs:
+        if x[2]: # With docs
+            lines.append("- %s (%s). Docs: [:page_with_curl:](%s)" % (x[0], x[1], x[2]))
+        else:
+            lines.append("- %s (%s)" % (x[0], x[1]))
+    return "\n".join(lines)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description='Launch configuration according '
+                                                 'to the environment')
+    parser.add_argument('--release-version', '-rv', help='CPT release version e.g: 1.8')
+    parser.add_argument('--dry-run', '-d', help='Do not commit changes', action="store_true")
+    args = parser.parse_args()
+
+    release_version = args.release_version
+    if release_version is None:
+        github_ref = os.getenv("GITHUB_REF")
+        if not github_ref:
+            print("ERROR: Only Github Action supported.")
+            exit(1)
+        match = re.search(r"refs/tags/(.*)", github_ref)
+        if not match:
+            print("ERROR: Invalid branch or tag.")
+            exit(1)
+
+        release_version = match.group(1)
+
+    # Generate changelog, verify all is ok
+    print_step("Getting changelog markdown from '{}'".format(REPOSITORY, release_version))
+    changelog = get_changelog_markdown(release_version, REPOSITORY, GH_TOKEN, with_docs=False)
+    if not changelog:
+        print("ERROR! The changelog is empty, verify the milestone name: %s" % release_version)
+        exit(1)
+
+    print(changelog)
+    print("-----------------------------------")
+
+    if args.dry_run:
+        print_step("DRY RUN - SKIP Release to GitHub")
+    else:
+        print_step("Releasing to GitHub...")
+        releaser = GHReleaser(GH_TOKEN, REPOSITORY)
+        releaser.release(release_version, changelog, GH_COMMIT)
+        print_step("** RELEASED **")