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metadata_detector.py
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# Copyright (C) 2017 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU General Public License version 3, or any later version
# See top-level LICENSE file for more information
mapping_filenames = {
b"package.json": "npm",
b"codemeta.json": "codemeta"
}
def detect_metadata(files):
"""
Detects files potentially containing metadata
Args:
- file_entries (list): list of files
Returns:
- empty list if nothing was found
- dictionary {mapping_filenames[name]:f['sha1']}
"""
results = {}
for f in files:
name = f['name'].lower().strip()
# TODO: possibility to detect extensions
if name in mapping_filenames:
tool = mapping_filenames[name]
if tool in results:
results[tool].append(f['sha1'])
else:
results[tool] = [f['sha1']]
return results
def extract_minimal_metadata_dict(metadata_list):
"""
Every item in the metadata_list is a dict of translated_metadata in the
CodeMeta vocabulary
we wish to extract a minimal set of terms and keep all values corresponding
to this term
Args:
- metadata_list (list): list of dicts of translated_metadata
Returns:
- minimal_dict (dict): one dict with selected values of metadata
"""
minimal_dict = {
"developmentStatus": [],
"version": [],
"operatingSystem": [],
"description": [],
"keywords": [],
"issueTracker": [],
"name": [],
"author": [],
"relatedLink": [],
"url": [],
"type": [],
"license": [],
"maintainer": [],
"email": [],
"softwareRequirements": [],
"identifier": [],
"codeRepository": []
}
for term in minimal_dict.keys():
for metadata_dict in metadata_list:
if term in metadata_dict:
minimal_dict[term].append(metadata_dict[term])
if not minimal_dict[term]:
minimal_dict[term] = None
return minimal_dict

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