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"""Retrieve collection detail."""
from __future__ import annotations
import json
import os
import re
import sys
import yaml
# See semantic versioning specification (https://semver.org/)
NUMERIC_IDENTIFIER = r'(?:0|[1-9][0-9]*)'
ALPHANUMERIC_IDENTIFIER = r'(?:[0-9]*[a-zA-Z-][a-zA-Z0-9-]*)'
PRE_RELEASE_IDENTIFIER = r'(?:' + NUMERIC_IDENTIFIER + r'|' + ALPHANUMERIC_IDENTIFIER + r')'
BUILD_IDENTIFIER = r'[a-zA-Z0-9-]+' # equivalent to r'(?:[0-9]+|' + ALPHANUMERIC_IDENTIFIER + r')'
VERSION_CORE = NUMERIC_IDENTIFIER + r'\.' + NUMERIC_IDENTIFIER + r'\.' + NUMERIC_IDENTIFIER
PRE_RELEASE = r'(?:-' + PRE_RELEASE_IDENTIFIER + r'(?:\.' + PRE_RELEASE_IDENTIFIER + r')*)?'
BUILD = r'(?:\+' + BUILD_IDENTIFIER + r'(?:\.' + BUILD_IDENTIFIER + r')*)?'
SEMVER_REGULAR_EXPRESSION = r'^' + VERSION_CORE + PRE_RELEASE + BUILD + r'$'
def validate_version(version):
"""Raise exception if the provided version is not None or a valid semantic version."""
if version is None:
return
if not re.match(SEMVER_REGULAR_EXPRESSION, version):
raise Exception('Invalid version number "{0}". Collection version numbers must '
'follow semantic versioning (https://semver.org/).'.format(version))
def read_manifest_json(collection_path):
"""Return collection information from the MANIFEST.json file."""
manifest_path = os.path.join(collection_path, 'MANIFEST.json')
if not os.path.exists(manifest_path):
return None
try:
with open(manifest_path, encoding='utf-8') as manifest_file:
manifest = json.load(manifest_file)
collection_info = manifest.get('collection_info') or {}
result = dict(
version=collection_info.get('version'),
)
validate_version(result['version'])
except Exception as ex: # pylint: disable=broad-except
raise Exception('{0}: {1}'.format(os.path.basename(manifest_path), ex))
return result
def read_galaxy_yml(collection_path):
"""Return collection information from the galaxy.yml file."""
galaxy_path = os.path.join(collection_path, 'galaxy.yml')
if not os.path.exists(galaxy_path):
return None
try:
with open(galaxy_path, encoding='utf-8') as galaxy_file:
galaxy = yaml.safe_load(galaxy_file)
result = dict(
version=galaxy.get('version'),
)
validate_version(result['version'])
except Exception as ex: # pylint: disable=broad-except
raise Exception('{0}: {1}'.format(os.path.basename(galaxy_path), ex))
return result
def main():
"""Retrieve collection detail."""
collection_path = sys.argv[1]
try:
result = read_manifest_json(collection_path) or read_galaxy_yml(collection_path) or {}
except Exception as ex: # pylint: disable=broad-except
result = dict(
error='{0}'.format(ex),
)
print(json.dumps(result))
if __name__ == '__main__':
main()
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