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585923c827
* style.scss: lint * style.scss: add 'th' padding * core: populate: add much more data for development * Add galaxy
115 lines
3.7 KiB
Python
115 lines
3.7 KiB
Python
import re
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from subprocess import PIPE, Popen, TimeoutExpired
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from django.conf import settings
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from django.core.management.base import BaseCommand
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# see https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string
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# added "v?"
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# Please note that this does not match the version of the three.js library.
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# Hence, you shall have to check this one by yourself
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semver_regex = re.compile(
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r"^v?"
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r"(?P<major>\d+)"
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r"\.(?P<minor>\d+)"
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r"\.(?P<patch>\d+)"
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r"(?:-(?P<prerelease>(?:\d+|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:\d+|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?"
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r"(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$"
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)
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class Command(BaseCommand):
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help = "Checks the front dependencies are up to date."
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def handle(self, *args, **options):
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deps = settings.SITH_FRONT_DEP_VERSIONS
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processes = dict(
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(url, create_process(url))
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for url in deps.keys()
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if parse_semver(deps[url]) is not None
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)
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for url, process in processes.items():
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try:
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stdout, stderr = process.communicate(timeout=15)
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except TimeoutExpired:
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process.kill()
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self.stderr.write(self.style.WARNING("{}: timeout".format(url)))
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continue
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# error, notice, warning
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stdout = stdout.decode("utf-8")
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stderr = stderr.decode("utf-8")
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if stderr != "":
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self.stderr.write(self.style.WARNING(stderr.strip()))
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continue
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# get all tags, parse them as semvers and find the biggest
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tags = list_tags(stdout)
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tags = map(parse_semver, tags)
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tags = filter(lambda tag: tag is not None, tags)
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latest_version = max(tags)
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# cannot fail as those which fail are filtered in the processes dict creation
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current_version = parse_semver(deps[url])
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assert current_version is not None
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if latest_version == current_version:
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msg = "{}: {}".format(url, semver_to_s(current_version))
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self.stdout.write(self.style.SUCCESS(msg))
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else:
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msg = "{}: {} < {}".format(
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url, semver_to_s(current_version), semver_to_s(latest_version)
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)
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self.stdout.write(self.style.ERROR(msg))
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def create_process(url):
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"""Spawn a "git ls-remote --tags" child process."""
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return Popen(["git", "ls-remote", "--tags", url], stdout=PIPE, stderr=PIPE)
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def list_tags(s):
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"""Parses "git ls-remote --tags" output. Takes a string."""
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tag_prefix = "refs/tags/"
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for line in s.strip().split("\n"):
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# an example line could be:
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# "1f41e2293f9c3c1962d2d97afa666207b98a222a\trefs/tags/foo"
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parts = line.split("\t")
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# check we have a commit ID (SHA-1 hash) and a tag name
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assert len(parts) == 2
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assert len(parts[0]) == 40
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assert parts[1].startswith(tag_prefix)
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# avoid duplicates (a peeled tag will appear twice: as "name" and as "name^{}")
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if not parts[1].endswith("^{}"):
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yield parts[1][len(tag_prefix) :]
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def parse_semver(s):
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"""
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Turns a semver string into a 3-tuple or None if the parsing failed, it is a
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prerelease or it has build metadata.
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See https://semver.org
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"""
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m = semver_regex.match(s)
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if (
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m is None
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or m.group("prerelease") is not None
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or m.group("buildmetadata") is not None
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):
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return None
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return (int(m.group("major")), int(m.group("minor")), int(m.group("patch")))
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def semver_to_s(t):
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"""Expects a 3-tuple with ints and turns it into a string of type "1.2.3"."""
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return "{}.{}.{}".format(t[0], t[1], t[2])
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