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gh-dhofheinz-open-plugins-p…/commands/best-practices/.scripts/semver-checker.py
2025-11-29 18:20:28 +08:00

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#!/usr/bin/env python3
"""
============================================================================
Semantic Version Validator
============================================================================
Purpose: Validate version strings against Semantic Versioning 2.0.0
Version: 1.0.0
Usage: ./semver-checker.py <version> [--strict]
Returns: 0=valid, 1=invalid, 2=missing params, 3=strict mode violation
============================================================================
"""
import re
import sys
from typing import Tuple, Optional, Dict, List
# Semantic versioning patterns
STRICT_SEMVER_PATTERN = r'^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)$'
FULL_SEMVER_PATTERN = r'^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$'
def usage():
"""Print usage information"""
print("""Usage: semver-checker.py <version> [--strict]
Validate version string against Semantic Versioning 2.0.0 specification.
Arguments:
version Version string to validate (required)
--strict Enforce strict MAJOR.MINOR.PATCH format (no pre-release/build)
Pattern (strict): MAJOR.MINOR.PATCH (e.g., 1.2.3)
Pattern (full): MAJOR.MINOR.PATCH[-PRERELEASE][+BUILD]
Valid examples:
- 1.0.0 (strict)
- 1.2.3 (strict)
- 1.0.0-alpha.1 (full)
- 1.2.3+build.20241013 (full)
Invalid examples:
- 1.0 (missing PATCH)
- v1.0.0 (has prefix)
- 1.2.x (placeholder)
Exit codes:
0 - Valid semantic version
1 - Invalid format
2 - Missing required parameters
3 - Strict mode violation (valid semver, but has pre-release/build)
Reference: https://semver.org/
""")
sys.exit(2)
def parse_semver(version: str) -> Optional[Dict[str, any]]:
"""
Parse semantic version string into components
Returns:
Dict with major, minor, patch, prerelease, build
None if invalid format
"""
match = re.match(FULL_SEMVER_PATTERN, version)
if not match:
return None
major, minor, patch, prerelease, build = match.groups()
return {
'major': int(major),
'minor': int(minor),
'patch': int(patch),
'prerelease': prerelease or None,
'build': build or None,
'is_strict': prerelease is None and build is None
}
def find_issues(version: str) -> List[str]:
"""Find specific issues with version format"""
issues = []
# Check for common mistakes
if version.startswith('v') or version.startswith('V'):
issues.append("Starts with 'v' prefix (remove it)")
# Check for missing components
parts = version.split('.')
if len(parts) < 3:
issues.append(f"Missing components (has {len(parts)}, needs 3: MAJOR.MINOR.PATCH)")
elif len(parts) > 3:
# Check if extra parts are pre-release or build
if '-' not in version and '+' not in version:
issues.append(f"Too many components (has {len(parts)}, expected 3)")
# Check for placeholders
if 'x' in version.lower() or '*' in version:
issues.append("Contains placeholder values (x or *)")
# Check for non-numeric base version
base_version = version.split('-')[0].split('+')[0]
base_parts = base_version.split('.')
for i, part in enumerate(base_parts):
if not part.isdigit():
component = ['MAJOR', 'MINOR', 'PATCH'][i] if i < 3 else 'component'
issues.append(f"{component} is not numeric: '{part}'")
# Check for leading zeros
for i, part in enumerate(base_parts[:3]):
if len(part) > 1 and part.startswith('0'):
component = ['MAJOR', 'MINOR', 'PATCH'][i]
issues.append(f"{component} has leading zero: '{part}'")
# Check for non-standard identifiers
if version in ['latest', 'stable', 'dev', 'master', 'main']:
issues.append("Using non-numeric identifier (not a version)")
return issues
def validate_version(version: str, strict: bool = False) -> Tuple[bool, int, str]:
"""
Validate semantic version
Returns:
(is_valid, exit_code, message)
"""
if not version or version.strip() == '':
return False, 2, "ERROR: Version cannot be empty"
# Parse the version
parsed = parse_semver(version)
if parsed is None:
# Invalid format
issues = find_issues(version)
message = "❌ FAIL: Invalid semantic version format\n\n"
message += f"Version: {version}\n"
message += "Valid: No\n\n"
message += "Issues Found:\n"
if issues:
for issue in issues:
message += f" - {issue}\n"
else:
message += " - Does not match semantic versioning pattern\n"
message += "\nRequired Format: MAJOR.MINOR.PATCH\n"
message += "\nExamples:\n"
message += " - 1.0.0 (initial release)\n"
message += " - 1.2.3 (standard version)\n"
message += " - 2.0.0-beta.1 (pre-release)\n"
message += "\nReference: https://semver.org/"
return False, 1, message
# Check strict mode
if strict and not parsed['is_strict']:
message = "⚠️ WARNING: Valid semver, but not strict format\n\n"
message += f"Version: {version}\n"
message += "Format: Valid semver with "
if parsed['prerelease']:
message += "pre-release"
if parsed['build']:
message += " and " if parsed['prerelease'] else ""
message += "build metadata"
message += "\n\n"
message += "Note: OpenPlugins recommends strict MAJOR.MINOR.PATCH format\n"
message += "without pre-release or build metadata for marketplace submissions.\n\n"
message += f"Recommended: {parsed['major']}.{parsed['minor']}.{parsed['patch']} (for stable release)\n\n"
message += "Quality Score Impact: +5 points (valid, but consider strict format)"
return True, 3, message
# Valid version
message = "✅ PASS: Valid semantic version\n\n"
message += f"Version: {version}\n"
message += "Format: "
if parsed['is_strict']:
message += "MAJOR.MINOR.PATCH (strict)\n"
else:
message += "MAJOR.MINOR.PATCH"
if parsed['prerelease']:
message += "-PRERELEASE"
if parsed['build']:
message += "+BUILD"
message += "\n"
message += "Valid: Yes\n\n"
message += "Components:\n"
message += f" - MAJOR: {parsed['major']}"
if parsed['major'] > 0:
message += " (breaking changes)"
message += "\n"
message += f" - MINOR: {parsed['minor']}"
if parsed['minor'] > 0:
message += " (new features)"
message += "\n"
message += f" - PATCH: {parsed['patch']}"
if parsed['patch'] > 0:
message += " (bug fixes)"
message += "\n"
if parsed['prerelease']:
message += f" - Pre-release: {parsed['prerelease']}\n"
if parsed['build']:
message += f" - Build: {parsed['build']}\n"
message += "\n"
if parsed['prerelease']:
message += "Note: Pre-release versions indicate unstable releases.\n"
message += "Remove pre-release identifier for stable marketplace submission.\n\n"
message += "Quality Score Impact: +5 points\n\n"
message += "The version follows Semantic Versioning 2.0.0 specification."
return True, 0, message
def main():
"""Main entry point"""
if len(sys.argv) < 2 or sys.argv[1] in ['-h', '--help']:
usage()
version = sys.argv[1]
strict = '--strict' in sys.argv
is_valid, exit_code, message = validate_version(version, strict)
print(message)
sys.exit(exit_code)
if __name__ == '__main__':
main()