| |
| |
| |
| |
| |
| class StrictVersion: |
| def __init__(self, version_string): |
| self.version_string = version_string |
| self.major = 0 |
| self.minor = 0 |
| self.patch = 0 |
| self.pre_release = None |
| self.parse_version_string() |
|
|
| def parse_version_string(self): |
| parts = self.version_string.split('.') |
| if not parts: |
| raise ValueError("Version string must not be empty") |
|
|
| self.major = int(parts[0]) |
| self.minor = int(parts[1]) if len(parts) > 1 else 0 |
| self.patch = int(parts[2]) if len(parts) > 2 else 0 |
|
|
| |
| if len(parts) > 3: |
| self.pre_release = parts[3] |
|
|
| def __str__(self): |
| version = f"{self.major}.{self.minor}.{self.patch}" |
| if self.pre_release: |
| version += f"-{self.pre_release}" |
| return version |
|
|
| def __eq__(self, other): |
| return (self.major, self.minor, self.patch, self.pre_release) == \ |
| (other.major, other.minor, other.patch, other.pre_release) |
|
|
| def __lt__(self, other): |
| if (self.major, self.minor, self.patch) == (other.major, other.minor, other.patch): |
| return self.pre_release_compare(self.pre_release, other.pre_release) < 0 |
| return (self.major, self.minor, self.patch) < (other.major, other.minor, other.patch) |
|
|
| @staticmethod |
| def pre_release_compare(pre1, pre2): |
| if pre1 == pre2: |
| return 0 |
| if pre1 is None: |
| return 1 |
| if pre2 is None: |
| return -1 |
| return -1 if pre1 < pre2 else 1 |
|
|
| def __le__(self, other): |
| return self == other or self < other |
|
|
| def __gt__(self, other): |
| return not self <= other |
|
|
| def __ge__(self, other): |
| return not self < other |
|
|
| def __ne__(self, other): |
| return not self == other |
|
|
|
|
