46 lines
1.1 KiB
Python
46 lines
1.1 KiB
Python
import pdf
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import epub
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import txt
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import os
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import base64
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import ox
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def get_id(f):
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return base64.b32encode(ox.sha1sum(f).decode('hex'))
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def metadata(f):
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ext = f.split('.')[-1]
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data = {}
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if ext == 'pdf':
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info = pdf.info(f)
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elif ext == 'epub':
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info = epub.info(f)
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elif ext == 'txt':
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info = txt.info(f)
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for key in ('title', 'author', 'date', 'publisher', 'isbn'):
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if key in info:
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value = info[key]
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if isinstance(value, str):
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try:
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value = value.decode('utf-8')
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except:
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value = None
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if value:
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data[key] = info[key]
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if 'isbn' in data:
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value = data.pop('isbn')
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if len(value) == 10:
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data['isbn10'] = value
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data['mainid'] = 'isbn10'
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else:
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data['isbn13'] = value
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data['mainid'] = 'isbn13'
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if not 'title' in data:
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data['title'] = os.path.splitext(os.path.basename(f))[0]
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if 'author' in data and isinstance(data['author'], basestring):
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data['author'] = [data['author']]
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return data
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