metacpan.py

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# SPDX-License-Identifier: AGPL-3.0-or-later
"""metacpan
"""
 
from urllib.parse import urlunparse
from json import dumps
 
# about
about = {
    "website": 'https://metacpan.org/',
    "wikidata_id": 'Q841507',
    "official_api_documentation": 'https://github.com/metacpan/metacpan-api/blob/master/docs/API-docs.md',
    "use_official_api": True,
    "require_api_key": False,
    "results": 'JSON',
}
 
# engine dependent config
number_of_results = 20  # Don't put this over 5000
categories = ["it", "packages"]
disabled = True
shortcut = "cpan"
paging = True
 
query_data_template = {
    'query': {
        'multi_match': {
            'type': 'most_fields',
            'fields': ['documentation', 'documentation.*'],
            'analyzer': 'camelcase',
        }
    },
    'filter': {
        'bool': {
            'must': [
                {'exists': {'field': 'documentation'}},
                {'term': {'status': 'latest'}},
                {'term': {'indexed': 1}},
                {'term': {'authorized': 1}},
            ]
        }
    },
    "sort": [
        {"_score": {"order": "desc"}},
        {"date": {"order": "desc"}},
    ],
    '_source': ['documentation', "abstract"],
    'size': number_of_results,
}
search_url = urlunparse(["https", "fastapi.metacpan.org", "/v1/file/_search", "", "", ""])
 
 
def request(query, params):
    params["url"] = search_url
    params["method"] = "POST"
    query_data = query_data_template
    query_data["query"]["multi_match"]["query"] = query
    query_data["from"] = (params["pageno"] - 1) * number_of_results
    params["data"] = dumps(query_data)
    return params
 
 
def response(resp):
    results = []
 
    search_results = resp.json()["hits"]["hits"]
    for result in search_results:
        fields = result["_source"]
        module = fields["documentation"]
        results.append(
            {
                "url": "https://metacpan.org/pod/" + module,
                "title": module,
                "content": fields.get("abstract", ""),
            }
        )
 
    return results