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#!/usr/bin/env python2
from __future__ import unicode_literals
import datetime
import os
import subprocess
from contextlib import contextmanager
import frontmatter
PROJECT_DIR = os.path.abspath(os.path.dirname(__file__))
CHANGELOG_SITE_DIR = os.path.join(PROJECT_DIR, "site/changelog/")
CONTENT_DIR = os.path.join(CHANGELOG_SITE_DIR, "content/")
RELEASED_DIR = os.path.join(CONTENT_DIR, "released/")
EXPERIMENTAL_DIR = os.path.join(CONTENT_DIR, "experimental/")
INTRO_SAMPLE = "<!-- Available tags are: added, changed, deprecated, removed, fixed, performance, security -->"
@contextmanager
def project_dir():
owd = os.getcwd()
try:
os.chdir(PROJECT_DIR)
yield PROJECT_DIR
finally:
os.chdir(owd)
def main():
changes = ""
for item in os.listdir(EXPERIMENTAL_DIR):
if item.endswith(".md"):
changes = changes + process_change(os.path.join(EXPERIMENTAL_DIR, item))
elif item == ".gitignore":
pass
else:
print("Unexpected file: %s" % item)
if changes:
human_version = release(changes)
commit_release(human_version)
else:
print("No changes")
def process_change(path):
"""
Returns all changes from the file
"""
print("Processing %s..." % path)
with open(path, "rb") as md_file:
data = frontmatter.load(md_file)
os.remove(path)
print("Removed: %s" % path)
return data.content.replace(INTRO_SAMPLE, "")
def release(changes):
"""
Release version - move from experimental/ to released/.
Returns human version - the one suitable for tagging and displaying in changelog
"""
print("Releasing changes...")
current_internal_version = get_current_internal_version()
human_version = increase_human_version(current_internal_version)
data = frontmatter.loads(changes)
data["weight"] = current_internal_version + 1
data["subtitle"] = datetime.datetime.now().strftime("released on %Y-%m-%d")
data["draft"] = False
data["date"] = datetime.datetime.now() # 2018-10-02T09:29:50Z
data["version"] = human_version
print("Assigning new version: %s / %s" % (data["weight"], data["version"]))
released_file_path = os.path.join(RELEASED_DIR, "%s.md" % data["weight"])
with open(released_file_path, "wb") as released_file:
frontmatter.dump(data, released_file)
print("Created: %s" % released_file_path)
return human_version
def commit_release(human_version):
"""
Autogenerates commit and tag
"""
with project_dir():
subprocess.call(["git", "add", CONTENT_DIR])
subprocess.call(["git", "commit", "-m", "Generated by release script"])
subprocess.call(["git", "fetch", "--tags"])
subprocess.call(["git", "tag", "-d", "%s" % human_version])
subprocess.call(["git", "tag", "%s" % human_version])
def get_current_internal_version():
"""
Get current version from files in released/ folder (weight/filename)
"""
version = 0
files = os.listdir(RELEASED_DIR)
files.sort(reverse=True, key=natural_sort)
for item in files:
if item.endswith(".md"):
version = int(item[:-3])
break
return version
def increase_human_version(internal_version):
"""
Increase human version from previous file
"""
current_human_version = get_current_human_version(internal_version)
ma, mi = current_human_version.split(".")
return "%s.%s" % (ma, int(mi) + 1)
def get_current_human_version(internal_version):
"""
Returns version from frontmatter (used for tagging and displaying)
"""
md_path = os.path.join(RELEASED_DIR, "%s.md" % internal_version)
with open(md_path, "rb") as md_file:
data = frontmatter.load(md_file)
return data["version"].strip()
def print_release_version():
"""
Returns release version
"""
version = get_current_human_version(get_current_internal_version())
is_experimental = len([x for x in os.listdir(EXPERIMENTAL_DIR) if x.endswith(".md")]) > 0
print("%s%s" % (version, "+" if is_experimental else ""))
def natural_sort(el):
try:
v = int(el[:-3])
except ValueError:
v = 0
return v
if __name__ == "__main__":
main()
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