mirror of
https://github.com/clearml/clearml
synced 2025-01-31 17:17:00 +00:00
326 lines
10 KiB
Python
326 lines
10 KiB
Python
from __future__ import absolute_import, division, print_function
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import collections
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import itertools
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import re
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import requests
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import six
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if six.PY3:
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from math import inf
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else:
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inf = float('inf')
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class InvalidVersion(ValueError):
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"""
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An invalid version was found, users should refer to PEP 440.
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"""
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_Version = collections.namedtuple(
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"_Version", ["epoch", "release", "dev", "pre", "post", "local"]
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)
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class _BaseVersion(object):
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def __hash__(self):
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return hash(self._key)
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def __lt__(self, other):
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return self._compare(other, lambda s, o: s < o)
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def __le__(self, other):
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return self._compare(other, lambda s, o: s <= o)
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def __eq__(self, other):
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return self._compare(other, lambda s, o: s == o)
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def __ge__(self, other):
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return self._compare(other, lambda s, o: s >= o)
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def __gt__(self, other):
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return self._compare(other, lambda s, o: s > o)
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def __ne__(self, other):
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return self._compare(other, lambda s, o: s != o)
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def _compare(self, other, method):
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if not isinstance(other, _BaseVersion):
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return NotImplemented
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return method(self._key, other._key)
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class Version(_BaseVersion):
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VERSION_PATTERN = r"""
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v?
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(?:
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(?:(?P<epoch>[0-9]+)!)? # epoch
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(?P<release>[0-9]+(?:\.[0-9]+)*) # release segment
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(?P<pre> # pre-release
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[-_\.]?
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(?P<pre_l>(a|b|c|rc|alpha|beta|pre|preview))
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[-_\.]?
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(?P<pre_n>[0-9]+)?
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)?
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(?P<post> # post release
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(?:-(?P<post_n1>[0-9]+))
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(?:
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[-_\.]?
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(?P<post_l>post|rev|r)
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[-_\.]?
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(?P<post_n2>[0-9]+)?
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)
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)?
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(?P<dev> # dev release
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[-_\.]?
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(?P<dev_l>dev)
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[-_\.]?
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(?P<dev_n>[0-9]+)?
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)?
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)
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(?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))? # local version
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"""
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_regex = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE)
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_local_version_separators = re.compile(r"[\._-]")
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def __init__(self, version):
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# Validate the version and parse it into pieces
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match = self._regex.search(version)
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if not match:
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raise InvalidVersion("Invalid version: '{0}'".format(version))
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# Store the parsed out pieces of the version
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self._version = _Version(
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epoch=int(match.group("epoch")) if match.group("epoch") else 0,
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release=tuple(int(i) for i in match.group("release").split(".")),
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pre=self._parse_letter_version(match.group("pre_l"), match.group("pre_n")),
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post=self._parse_letter_version(
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match.group("post_l") or '', match.group("post_n1") or match.group("post_n2") or ''
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),
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dev=self._parse_letter_version(match.group("dev_l") or '', match.group("dev_n") or ''),
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local=self._parse_local_version(match.group("local") or ''),
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)
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# Generate a key which will be used for sorting
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self._key = self._cmpkey(
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self._version.epoch,
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self._version.release,
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self._version.pre,
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self._version.post,
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self._version.dev,
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self._version.local,
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)
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def __repr__(self):
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return "<Version({0})>".format(repr(str(self)))
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def __str__(self):
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parts = []
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# Epoch
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if self.epoch != 0:
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parts.append("{0}!".format(self.epoch))
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# Release segment
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parts.append(".".join(str(x) for x in self.release))
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# Pre-release
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if self.pre is not None:
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parts.append("".join(str(x) for x in self.pre))
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# Post-release
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if self.post is not None:
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parts.append(".post{0}".format(self.post))
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# Development release
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if self.dev is not None:
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parts.append(".dev{0}".format(self.dev))
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# Local version segment
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if self.local is not None:
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parts.append("+{0}".format(self.local))
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return "".join(parts)
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@property
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def epoch(self):
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return self._version.epoch
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@property
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def release(self):
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return self._version.release
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@property
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def pre(self):
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return self._version.pre
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@property
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def post(self):
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return self._version.post[1] if self._version.post else None
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@property
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def dev(self):
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return self._version.dev[1] if self._version.dev else None
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@property
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def local(self):
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if self._version.local:
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return ".".join(str(x) for x in self._version.local)
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else:
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return None
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@property
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def public(self):
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return str(self).split("+", 1)[0]
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@property
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def base_version(self):
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parts = []
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# Epoch
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if self.epoch != 0:
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parts.append("{0}!".format(self.epoch))
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# Release segment
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parts.append(".".join(str(x) for x in self.release))
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return "".join(parts)
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@property
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def is_prerelease(self):
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return self.dev is not None or self.pre is not None
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@property
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def is_postrelease(self):
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return self.post is not None
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@property
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def is_devrelease(self):
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return self.dev is not None
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@staticmethod
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def _parse_letter_version(letter, number):
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if not letter and not number:
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return None
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if letter:
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# We consider there to be an implicit 0 in a pre-release if there is
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# not a numeral associated with it.
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if number is None:
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number = 0
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# We normalize any letters to their lower case form
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letter = letter.lower()
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# We consider some words to be alternate spellings of other words and
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# in those cases we want to normalize the spellings to our preferred
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# spelling.
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if letter == "alpha":
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letter = "a"
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elif letter == "beta":
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letter = "b"
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elif letter in ["c", "pre", "preview"]:
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letter = "rc"
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elif letter in ["rev", "r"]:
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letter = "post"
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return letter, int(number)
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if not letter and number:
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# We assume if we are given a number, but we are not given a letter
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# then this is using the implicit post release syntax (e.g. 1.0-1)
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letter = "post"
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return letter, int(number)
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@classmethod
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def _parse_local_version(cls, local):
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"""
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Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve").
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"""
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if local is not None:
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local = tuple(
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part.lower() if not part.isdigit() else int(part)
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for part in cls._local_version_separators.split(local)
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)
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if not local or not local[0]:
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return None
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return local
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return None
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@staticmethod
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def _cmpkey(epoch, release, pre, post, dev, local):
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# When we compare a release version, we want to compare it with all of the
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# trailing zeros removed. So we'll use a reverse the list, drop all the now
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# leading zeros until we come to something non zero, then take the rest
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# re-reverse it back into the correct order and make it a tuple and use
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# that for our sorting key.
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# release = tuple(
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# reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release))))
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# )
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# Versions without a pre-release (except as noted above) should sort after
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# those with one.
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if not pre:
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pre = inf
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elif pre:
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pre = pre[1]
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# Versions without a post segment should sort before those with one.
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if not post:
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post = -inf
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else:
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post = post[1]
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# Versions without a development segment should sort after those with one.
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if not dev:
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dev = inf
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else:
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dev = dev[1]
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if not local:
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# Versions without a local segment should sort before those with one.
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local = inf
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else:
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# Versions with a local segment need that segment parsed to implement
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# the sorting rules in PEP440.
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# - Alpha numeric segments sort before numeric segments
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# - Alpha numeric segments sort lexicographically
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# - Numeric segments sort numerically
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# - Shorter versions sort before longer versions when the prefixes
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# match exactly
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local = local[1]
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return epoch, release, pre, post, dev, local
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class CheckPackageUpdates(object):
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_package_version_checked = False
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@classmethod
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def check_new_package_available(cls, only_once=False):
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"""
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:return: true if there is a newer package in PyPI
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"""
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if only_once and cls._package_version_checked:
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return None
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# noinspection PyBroadException
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try:
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cls._package_version_checked = True
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releases = requests.get('https://pypi.python.org/pypi/trains/json').json()['releases'].keys()
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releases = [Version(r) for r in releases]
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latest_version = sorted(releases)
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from ..version import __version__
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cur_version = Version(__version__)
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if not cur_version.is_devrelease and not cur_version.is_prerelease:
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latest_version = [r for r in latest_version if not r.is_devrelease and not r.is_prerelease]
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if cur_version >= latest_version[-1]:
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return None
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not_patch_upgrade = latest_version[-1].release[:2] != cur_version.release[:2]
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return str(latest_version[-1]), not_patch_upgrade
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except Exception:
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return None
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