Introducing release script

templates/travis/.travis/release.py.j2

@@ -0,0 +1,131 @@
+import argparse
+import os
+import textwrap
+
+from git import Repo
+
+
+REDMINE_QUERY_URL = "https://pulp.plan.io/issues?set_filter=1&status_id=*&issue_id="
+release_path = os.path.dirname(os.path.abspath(__file__))
+plugin_path = release_path
+if ".travis" in release_path:
+    plugin_path = os.path.dirname(release_path)
+
+version = {}
+with open(f"{plugin_path}/{{ plugin_name }}/__init__.py") as fp:
+    version_line = [line for line in fp.readlines() if "__version__" in line][0]
+    exec(version_line, version)
+release_version = version["__version__"].replace(".dev", "")
+
+to_close = []
+for filename in os.listdir(f"{plugin_path}/CHANGES"):
+    if filename.split(".")[0].isdigit():
+        to_close.append(filename.split(".")[0])
+issues = ",".join(to_close)
+
+helper = textwrap.dedent(
+    """\
+        Start the release process.
+
+        Example:
+            setup.py on plugin before script:
+                version="2.0.dev"
+                requirements = ["pulpcore>=3.4"]
+
+
+            $ python .travis/realease.py minor 4.0 4.1
+
+            setup.py on plugin after script:
+                version="2.1.dev"
+                requirements = ["pulpcore>=4.0,<4.1"]
+
+    """
+)
+parser = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter, description=helper)
+
+parser.add_argument(
+    "release_part", type=str, help="Whether the release should be major, minor or patch.",
+)
+
+parser.add_argument(
+    "--lower", type=str, required=False, help="Lower bound of pulpcore requirement.",
+)
+
+parser.add_argument(
+    "--upper", type=str, required=False, help="Upper bound of pulpcore requirement.",
+)
+
+args = parser.parse_args()
+
+release_part = args.release_part
+
+if "pulpcore" not in release_path:
+    lower_pulpcore_version = args.lower
+    upper_pulpcore_version = args.upper
+
+print("\n\nHave you checked the output of: $towncrier --version x.y.z --draft")
+print(f"\n\nRepo path: {plugin_path}")
+repo = Repo(plugin_path)
+git = repo.git
+
+git.checkout("HEAD", b=f"release_{release_version}")
+
+# First commit: changelog
+os.system(f"towncrier --yes --version {release_version}")
+git.add("CHANGES.rst")
+git.add("CHANGES/*")
+git.commit("-m", f"Building changelog for {release_version}\n\n[noissue]")
+
+# Second commit: release version
+with open(f"{plugin_path}/requirements.txt", "rt") as setup_file:
+    setup_lines = setup_file.readlines()
+
+with open(f"{plugin_path}/requirements.txt", "wt") as setup_file:
+    for line in setup_lines:
+        if "pulpcore" in line and "pulpcore" not in release_path:
+            line = f"pulpcore>={lower_pulpcore_version},<{upper_pulpcore_version}\n"
+            break
+
+        setup_file.write(line)
+
+os.system("bump2version release --allow-dirty")
+
+plugin_name = plugin_path.split("/")[-1]
+git.add(f"{plugin_path}/{plugin_name}/__init__.py")
+git.add(f"{plugin_path}/setup.py")
+git.add(f"{plugin_path}/requirements.txt")
+git.add(f"{plugin_path}/.bumpversion.cfg")
+git.commit("-m", f"Releasing {release_version}\n\n[noissue]")
+
+sha = repo.head.object.hexsha
+short_sha = git.rev_parse(sha, short=7)
+
+# Third commit: bump to .dev
+with open(f"{plugin_path}/requirements.txt", "rt") as setup_file:
+    setup_lines = setup_file.readlines()
+
+with open(f"{plugin_path}/requirements.txt", "wt") as setup_file:
+    for line in setup_lines:
+        if "pulpcore" in line and "pulpcore" not in release_path:
+            line = f"pulpcore>={lower_pulpcore_version}\n"
+            break
+
+        setup_file.write(line)
+
+os.system(f"bump2version {release_part} --allow-dirty")
+
+version = {}
+with open(f"{plugin_path}/{{ plugin_name }}/__init__.py") as fp:
+    version_line = [line for line in fp.readlines() if "__version__" in line][0]
+    exec(version_line, version)
+new_dev_version = version["__version__"]
+
+
+git.add(f"{plugin_path}/{plugin_name}/__init__.py")
+git.add(f"{plugin_path}/setup.py")
+git.add(f"{plugin_path}/requirements.txt")
+git.add(f"{plugin_path}/.bumpversion.cfg")
+git.commit("-m", f"Bump to {new_dev_version}\n\n[noissue]")
+
+print(f"\n\nRedmine query of issues to close:\n{REDMINE_QUERY_URL}{issues}")
+print(f"\nRelease commit == {short_sha}")