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84 lines
3.0 KiB
84 lines
3.0 KiB
8 months ago
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# Copyright (c) 2006-2019 Andrey Golovigin
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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from __future__ import unicode_literals
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from xml.etree import ElementTree as ET
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from pybtex.database import Entry, Person
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from pybtex.database.input import BaseParser
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bibtexns = '{http://bibtexml.sf.net/}'
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def remove_ns(s):
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if s.startswith(bibtexns):
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return s[len(bibtexns):]
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class Parser(BaseParser):
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default_suffix = '.xml'
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def parse_bytes(self, value):
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tree = ET.fromstring(value)
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return self.parse_tree(tree)
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def parse_string(self, value):
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return self.parse_bytes(value.encode(self.encoding))
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def parse_stream(self, stream):
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tree = ET.parse(stream)
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return self.parse_tree(tree)
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def parse_tree(self, tree):
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entries = tree.findall(bibtexns + 'entry')
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self.data.add_entries(self.process_entry(entry) for entry in entries)
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return self.data
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def process_entry(self, entry):
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def process_person(person_entry, role):
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persons = person_entry.findall(bibtexns + 'person')
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if persons:
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for person in persons:
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process_person(person, role)
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else:
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text = person_entry.text.strip()
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if text:
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e.add_person(Person(text), role)
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else:
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names = {}
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for name in person_entry:
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names[remove_ns(name.tag)] = name.text
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e.add_person(Person(**names), role)
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id_ = entry.get('id')
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item = list(entry)[0]
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type = remove_ns(item.tag)
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e = Entry(type)
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for field in item:
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field_name = remove_ns(field.tag)
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if field_name in Person.valid_roles:
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process_person(field, field_name)
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else:
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field_text = field.text if field.text is not None else ''
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e.fields[field_name] = field_text
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return id_, e
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