doiHandler.py

import crossref_commons.retrieval

class doiHandler(object):
    def __init__(self, doi):
        self.doi = doi
    def callCrossRef(self):
        self.ref = crossref_commons.retrieval.get_publication_as_json(self.doi)
    def getMetadata(self):
        if not hasattr(self, 'ref'):
            self.callCrossRef()
        self.articleMetadata = {
            'title': self.getTitle(),
            'doi': self.doi,
            'url': self.getURL(),
            'date_published': self.getDatePublished(),
            'date_updated': self.getDateUpdated(),
            'authors': self.getAuthors(),
            'abstract': self.getAbstract()
        }
        return self.articleMetadata
    def getURL(self):
        return f"https://doi.org/{self.doi}"
    def getAbstract(self):
        try:
            return self.ref['abstract']
        except KeyError:
            return None
    def getTitle(self):
        try:
            return self.ref['title']
        except KeyError:
            return None
    def getDatePublished(self):
        try:
            return self.ref['date-time']
        except KeyError:
            return None
    def getDateUpdated(self):
        try:
            return self.ref['issued']['date-time']
        except KeyError:
            return None
    def getAuthors(self):
        try:
            return self.ref['author']
        except KeyError:
            return None
    def getPublisher(self):
        try:
            return self.ref['publisher']
        except KeyError:
            return None
    

# def main():
#     rss_url = 'https://opg.optica.org/rss/ao_feed.xml'  # Replace with the actual RSS feed URL
#     import requests

#     entries = fetch_rss_entries(rss_url)
#     # print(entries[0]['dc_identifier'])
#     abstracts = 0 
#     doi = entries[0]['dc_identifier'].replace('doi:', '')
#     for entry in entries:
#         doi = entry['dc_identifier'].replace('doi:', '')
#         abstract = getAbstract(doi)
#         if abstract:
#             abstracts += 1
#         else:
#             ref = crossref_commons.retrieval.get_publication_as_json(doi)
#             print(ref)


    
#     print(f"Total number of entries: {len(entries)}")
#     print(f"Total number of abstracts: {abstracts}")


# # doi = "10.1186/1758-2946-4-12" # example


# if __name__ == "__main__":
#     main()