mirror of
https://github.com/chanzuckerberg/cellxgene.git
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* Notify users of new versions of cellxgene Fixes https://github.com/chanzuckerberg/cellxgene/issues/683 * Do not use PyGithub client * Protect against AttributeError * Document that all version tags must follow SemVer * Release tags `should -> MUST` follow semantic versioning
85 lines
2.9 KiB
Python
85 lines
2.9 KiB
Python
import click
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import re
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import requests
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from requests.exceptions import ConnectionError
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from .. import __version__
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# Official SemVer regex: https://semver.org/
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SEMVER_FORMAT = re.compile(
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r"^(?P<major>0|[1-9]\d*)\.(?P<minor>0|[1-9]\d*)\.(?P<patch>0|[1-9]\d*)"
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+ r"(?:-(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)"
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+ r"(?:\.(?:0|[1-9]\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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def log_upgrade_check():
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# Sanity-check that the CLI version is a properly-formatted SemVer string
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assert validate_version_str(__version__, release_only=False)
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# Get the current latest release
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try:
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release_tag_generator = (r['tag_name'] for r in _request_cellxgene_releases())
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latest_release = next(release_tag_generator, lambda tag_name: validate_version_str(tag_name))
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if version_gt(latest_release, __version__):
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click.echo(f"There's a new version of cellxgene available ({latest_release})!")
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click.echo("To upgrade, run the following: pip install --upgrade cellxgene\n")
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except (ConnectionError, RateLimitException):
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click.echo("Upgrade check failed.\n")
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class RateLimitException(Exception):
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"""
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Github API Rate Limit Exception
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"""
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def _request_cellxgene_releases():
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def raise_on_rate_limit(response):
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if response.status_code == 403 and res.headers.get('X-RateLimit-Remaining') == '0':
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raise RateLimitException
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url = "https://api.github.com/repos/chanzuckerberg/cellxgene/releases"
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res = requests.get(url)
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raise_on_rate_limit(res)
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for release in res.json():
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yield release
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while 'next' in res.links.keys():
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res = requests.get(res.links['next']['url'])
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raise_on_rate_limit(res)
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for release in res.json():
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yield release
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def validate_version_str(version_str, release_only=True):
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"""
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Test if a string conforms to SemVer format (https://semver.org/)
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:param version_str: a string to be validated
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:param release_only: only declare releases (not prereleases) valid
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:return: True if the version string is of a valid SemVer format else False
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"""
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match = SEMVER_FORMAT.match(version_str)
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has_match = match is not None
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if has_match and release_only:
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return not match.group("prerelease")
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return has_match
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def split_version(version_string):
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"""
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Split a SemVer-formatted string into its component integers
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:param version_string: a SemVer string to be split
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:return: an array of three integers
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"""
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match = SEMVER_FORMAT.match(version_string)
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return [int(match.group(group)) for group in ["major", "minor", "patch"]]
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def version_gt(left_version, right_version):
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for left, right in zip(split_version(left_version), split_version(right_version)):
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if left > right:
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return True
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elif right > left:
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return False
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return False
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