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fabfile.py
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# -*- coding: utf-8 -*-
"""
Repostatus.org fabfile – this is used to build badges and push to GitHub Pages.
Requires Python (tested with 3.8), Fabric and ghp-import.
requirements (and tested versions):
Fabric==2.5.0
ghp-import==0.4.0
requests==2.7.0
"""
from fabric import task
import os
import re
import requests
import json
import shutil
badge_info = {
'concept': {
'shield_url': 'http://img.shields.io/badge/repo%20status-Concept-ffffff.svg',
'description': "Minimal or no implementation has been done yet, or the repository is only intended to be a limited example, demo, or proof-of-concept.",
'display_name': 'Concept',
},
'wip': {
'shield_url': 'http://img.shields.io/badge/repo%20status-WIP-yellow.svg',
'description': "Initial development is in progress, but there has not yet been a stable, usable release suitable for the public.",
'display_name': 'WIP',
},
'suspended': {
'shield_url': 'http://img.shields.io/badge/repo%20status-Suspended-orange.svg',
'description': "Initial development has started, but there has not yet been a stable, usable release; work has been stopped for the time being but the author(s) intend on resuming work.",
'display_name': 'Suspended',
},
'abandoned': {
'shield_url': 'http://img.shields.io/badge/repo%20status-Abandoned-red.svg',
'description': "Initial development has started, but there has not yet been a stable, usable release; the project has been abandoned and the author(s) do not intend on continuing development.",
'display_name': 'Abandoned',
},
'active': {
'shield_url': 'http://img.shields.io/badge/repo%20status-Active-brightgreen.svg',
'description': "The project has reached a stable, usable state and is being actively developed.",
'display_name': 'Active',
},
'inactive': {
'shield_url': 'http://img.shields.io/badge/repo%20status-Inactive-yellowgreen.svg',
'description': "The project has reached a stable, usable state but is no longer being actively developed; support/maintenance will be provided as time allows.",
'display_name': 'Inactive',
},
'unsupported': {
'shield_url': 'http://img.shields.io/badge/repo%20status-Unsupported-lightgrey.svg',
'description': "The project has reached a stable, usable state but the author(s) have ceased all work on it. A new maintainer may be desired.",
'display_name': 'Unsupported',
},
"moved": {
'shield_url': 'http://img.shields.io/badge/repo%20status-Moved-red.svg',
'description': 'The project has been moved to a new location, and the version at that location should be considered authoritative.',
'display_name': 'Moved'
}
}
def _download_media(url, fname):
""" download the given binary URL to fname """
r = requests.get(url, stream=True)
if r.status_code != 200:
raise SystemExit("%s returned status code %d" % (url, r.status_code))
with open(fname, 'wb') as fh:
for chunk in r.iter_content():
fh.write(chunk)
fh.flush()
def _make_badge_markup(badge_name, display_name, description, url, savedir):
""" generate example markup for a badge, write to disk under savedir """
if badge_name == 'moved':
moved_to = 'http://example.com'
moved = 'to %s ' % moved_to
else:
moved_to = None
moved = ''
alt = "Project Status: {statuscap} {moved}– {desc}".format(
desc=description,
statuscap=display_name,
moved=moved
)
target = "https://www.repostatus.org/#{status}".format(status=badge_name)
with open(os.path.join(savedir, '{n}_md.txt'.format(n=badge_name)), 'w') as fh:
fh.write(_format_md(url, target, alt, moved_to))
with open(os.path.join(savedir, '{n}_html.txt'.format(n=badge_name)), 'w') as fh:
fh.write(_format_html(url, target, alt, moved_to))
with open(os.path.join(savedir, '{n}_rst.txt'.format(n=badge_name)), 'w') as fh:
fh.write(_format_rst(url, target, alt, moved_to))
def _format_md(url, target, alt, moved_to=None):
if moved_to is None:
moved = ''
else:
moved = ' to [%s](%s)' % (moved_to, moved_to)
s = "[]({target}){moved}\n".format(
target=target,
url=url,
alt=alt,
moved=moved
)
return s
def _format_rst(url, target, alt, moved_to=None):
if moved_to is None:
return '.. image:: {url}\n :alt: {alt}\n :target: {target}\n'.format(
url=url,
target=target,
alt=alt
)
s = '|repostatus| to `%s <%s>`_\n\n' % (moved_to, moved_to)
s += '.. |repostatus| image:: {url}\n :alt: {alt}\n ' \
':target: {target}\n'.format(
url=url,
target=target,
alt=alt
)
return s
def _format_html(url, target, alt, moved_to=None):
if moved_to is None:
moved = ''
else:
moved = ' to <a href="%s">%s</a>' % (moved_to, moved_to)
s = '<a href="{target}"><img src="{url}" alt="{alt}" /></a>{moved}\n'.format(
url=url,
target=target,
alt=alt,
moved=moved
)
return s
@task
def make_badges(c):
""" Regenerate the badges into badges/latest """
if not os.path.exists('badges/latest'):
os.makedirs('badges/latest')
badge_data = {}
for name in badge_info:
badge_data[name] = {
'description': badge_info[name]['description'],
'url': 'https://www.repostatus.org/badges/latest/{name}.svg'.format(name=name),
'display_name': badge_info[name]['display_name'],
}
with open('badges/latest/badges.json', 'w') as fh:
fh.write(json.dumps(badge_data, indent=2, sort_keys=True))
print("badge info written to badges/latest/badges.json")
for name, _dict in badge_info.items():
_download_media(_dict['shield_url'], 'badges/latest/{n}.svg'.format(n=name))
_make_badge_markup(name, _dict['display_name'], _dict['description'], badge_data[name]['url'], 'badges/latest')
print("badge images and markup written to badges/latest")
@task
def version_badges(c, ver):
"""Copy the latest badges into a versioned directory; update related files"""
if not re.match(r'\d+\.\d+\.\d+', ver):
raise SystemExit("Error: %s does not appear to be an x.y.z semver version" % ver)
badgedir = os.path.join('badges', ver)
if os.path.exists(badgedir):
raise SystemExit("Error: badge version %s already present!" % ver)
# copy latest
print("Copying badges/latest to badges/%s" % ver)
shutil.copytree('badges/latest', 'badges/%s' % ver)
# update URLs
print("Updating URLs in badges/%s/*.txt" % ver)
for fname in os.listdir(badgedir):
if not fname.endswith('.txt'):
continue
fpath = os.path.join(badgedir, fname)
with open(fpath, 'r') as fh:
content = fh.read()
content = content.replace('/badges/latest/', '/badges/%s/' % ver)
with open(fpath, 'w') as fh:
fh.write(content)
print("Updating badges/%s/badges.json" % ver)
with open('badges/%s/badges.json' % ver, 'r') as fh:
content = fh.read()
content = content.replace('/badges/latest/', '/badges/%s/' % ver)
with open('badges/%s/badges.json' % ver, 'w') as fh:
fh.write(content)
@task
def badges2pages(c):
"""Copy badges/ to gh_pages/badges/"""
shutil.rmtree('gh_pages/badges')
shutil.copytree('badges', 'gh_pages/badges')
@task
def publish(c):
"""Regenerate and publish to GitHub Pages"""
x = c.run('git branch')
if '* master' not in x.stdout:
print("ERROR: publish must be run from the master branch")
raise SystemExit(1)
x = c.run('git status')
if (('Your branch is up to date with' not in x.stdout and
'HEAD detached at' not in x.stdout) or
'nothing to commit' not in x.stdout):
print("ERROR: Your local git clone is dirty or not pushed to origin.")
raise SystemExit(1)
c.run("ghp-import gh_pages")
print("Changes pushed into gh-pages branch; please verify that branch and then push it to origin to deploy.")