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101 lines
3.3 KiB
101 lines
3.3 KiB
import files
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import color
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from paper import Paper
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alphabet = 'abcdefghijklmopqrstuvwxyz'
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class Repository(object):
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def __init__(self):
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self.paperdir = files.find_papersdir()
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self.papers_config = files.load_papers()
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self.citekeys = self.papers_config['citekeys']
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self.numbers = self.papers_config['numbers']
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# loading existing papers
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def paper_from_number(self, number, fatal = True):
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try:
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citekey = self.numbers[int(number)]
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paper = self.paper_from_citekey(citekey)
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paper.number = int(number)
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return paper
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except KeyError:
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if fatal:
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print('{}error{}: no paper with number {}{}{}'.format(
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color.error, color.normal, color.citekey, citekey, color.end))
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exit(-1)
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raise IOError, 'file not found'
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def paper_from_citekey(self, citekey, fatal = True):
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"""Load a paper by its citekey from disk, if necessary."""
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try:
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name = self.citekeys[citekey]
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paper = Paper.from_disc(name, citekey = citekey)
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paper.citekey = citekey
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return paper
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except KeyError:
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if fatal:
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print('{}error{}: no paper with citekey {}{}{}'.format(
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color.error, color.normal, color.citekey, citekey, color.end))
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exit(-1)
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raise IOError, 'file not found'
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def paper_from_any(self, key, fatal = True):
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try:
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return self.paper_from_citekey(key, fatal = False)
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except IOError:
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try:
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return self.paper_from_number(key, fatal = False)
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except IOError:
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if fatal:
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print('{}error{}: paper with citekey or number {}{}{} not found{}'.format(
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color.error, color.normal, color.citekey, key, color.normal, color.end))
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exit(-1)
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raise IOError, 'file not found'
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# creating new papers
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def add_paper(self, pdfpath, bibpath):
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p = Paper.from_bibpdffiles(pdfpath, bibpath)
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# updating papersconfig
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p.citekey = self.create_citekey(p.bib_data)
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p.number = self.create_number()
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self.papers_config['citekeys'][p.citekey] = p.name
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self.papers_config['numbers'][p.number] = p.citekey
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self.citekeys[p.citekey] = p.name
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self.numbers[p.number] = p.citekey
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# writing all to disk
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files.save_papers(self.papers_config)
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p.save_to_disc()
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return p
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def create_citekey(self, bib_data, allowed = tuple()):
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"""Create a cite key unique to a given bib_data"""
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article = bib_data.entries[list(bib_data.entries.keys())[0]]
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first_author = article.persons['author'][0]
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year = article.fields['year']
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prefix = '{}{}'.format(first_author.last()[0][:6], year[2:])
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letter = 0
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citekey = None
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citekey = prefix
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while citekey in self.citekeys and citekey not in allowed:
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citekey = prefix + alphabet[letter]
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letter += 1
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return citekey
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def create_number(self):
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count = int(self.papers_config['count'])
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self.papers_config['count'] = count + 1
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return count
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