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Create catalog: Fix handling of the tilde character in BiBTeX catalogs

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Fixes #1832726 [Wrong ASCII conversion when writing bibtex file](https://bugs.launchpad.net/calibre/+bug/1832726)
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Kovid Goyal 2019-06-14 09:47:10 +05:30
parent 5a4ca12432
commit b2f299de88
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1 changed files with 5 additions and 4 deletions
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src/calibre/utils/bibtex.py
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@ -2558,7 +2558,7 @@ class BibTeX:
self.invalid_cit = re.compile('[ "@\',\\#}{~%&$^]')
self.upper = re.compile('[' +
string.ascii_uppercase + ']')
self.escape = re.compile('[~#&%_]')
self.escape = re.compile('[#&%_]')
def ValidateCitationKey(self, text):
"""
@ -2584,7 +2584,8 @@ class BibTeX:
"""
Latex escaping some (not all) special characters
"""
text.replace('\\', '\\\\')
text = text.replace('\\', '\\\\')
text = text.replace('~', '{\\char`\\~}') # TILDE
return self.escape.sub(lambda m: '\\%s' % m.group(), text)
# Calibre functions: Option to go to official ASCII Bibtex or unofficial UTF-8
@ -2594,11 +2595,11 @@ class BibTeX:
"""
if len(text) == 0:
return ''
text.replace('\\', '\\\\')
text = self.resolveEntities(text)
text = self.escapeSpecialCharacters(text)
if self.ascii_bibtex :
text = self.resolveUnicode(text)
return self.escapeSpecialCharacters(text)
return text
def bibtex_author_format(self, item):
"""