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RTF metadata: Add support for publisher and tags. Fixes #6657 (RTF metadata)

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Kovid Goyal 2011-01-12 13:17:56 -07:00
parent be5519221e
commit ee98918a0c
1 changed files with 56 additions and 34 deletions
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88
src/calibre/ebooks/metadata/rtf.py
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@ -10,7 +10,8 @@ from calibre.ebooks.metadata import MetaInformation, string_to_authors
title_pat = re.compile(r'\{\\info.*?\{\\title(.*?)(?<!\\)\}', re.DOTALL)
author_pat = re.compile(r'\{\\info.*?\{\\author(.*?)(?<!\\)\}', re.DOTALL)
comment_pat = re.compile(r'\{\\info.*?\{\\subject(.*?)(?<!\\)\}', re.DOTALL)
category_pat = re.compile(r'\{\\info.*?\{\\category(.*?)(?<!\\)\}', re.DOTALL)
tags_pat = re.compile(r'\{\\info.*?\{\\category(.*?)(?<!\\)\}', re.DOTALL)
publisher_pat = re.compile(r'\{\\info.*?\{\\manager(.*?)(?<!\\)\}', re.DOTALL)
def get_document_info(stream):
"""
@ -82,61 +83,73 @@ def decode(raw, codec):
def get_metadata(stream):
""" Return metadata as a L{MetaInfo} object """
title, author, comment, category = None, None, None, None
stream.seek(0)
if stream.read(5) != r'{\rtf':
return MetaInformation(None, None)
return MetaInformation(_('Unknown'))
block = get_document_info(stream)[0]
if not block:
return MetaInformation(None, None)
return MetaInformation(_('Unknown'))
stream.seek(0)
cpg = detect_codepage(stream)
stream.seek(0)
title_match = title_pat.search(block)
if title_match:
if title_match is not None:
title = decode(title_match.group(1).strip(), cpg)
else:
title = _('Unknown')
author_match = author_pat.search(block)
if author_match:
if author_match is not None:
author = decode(author_match.group(1).strip(), cpg)
comment_match = comment_pat.search(block)
if comment_match:
comment = decode(comment_match.group(1).strip(), cpg)
category_match = category_pat.search(block)
if category_match:
category = decode(category_match.group(1).strip(), cpg)
mi = MetaInformation(title, author)
else:
author = None
mi = MetaInformation(title)
if author:
mi.authors = string_to_authors(author)
comment_match = comment_pat.search(block)
if comment_match is not None:
comment = decode(comment_match.group(1).strip(), cpg)
mi.comments = comment
mi.category = category
tags_match = tags_pat.search(block)
if tags_match is not None:
tags = decode(tags_match.group(1).strip(), cpg)
mi.tags = tags
publisher_match = publisher_pat.search(block)
if publisher_match is not None:
publisher = decode(publisher_match.group(1).strip(), cpg)
mi.publisher = publisher
return mi
def create_metadata(stream, options):
md = r'{\info'
md = [r'{\info']
if options.title:
title = options.title.encode('ascii', 'ignore')
md += r'{\title %s}'%(title,)
md.append(r'{\title %s}'%(title,))
if options.authors:
au = options.authors
if not isinstance(au, basestring):
au = u', '.join(au)
author = au.encode('ascii', 'ignore')
md += r'{\author %s}'%(author,)
if options.get('category', None):
category = options.category.encode('ascii', 'ignore')
md += r'{\category %s}'%(category,)
md.append(r'{\author %s}'%(author,))
comp = options.comment if hasattr(options, 'comment') else options.comments
if comp:
comment = comp.encode('ascii', 'ignore')
md += r'{\subject %s}'%(comment,)
if len(md) > 6:
md += '}'
md.append(r'{\subject %s}'%(comment,))
if options.publisher:
publisher = options.publisher.encode('ascii', 'ignore')
md.append(r'{\manager %s}'%(publisher,))
if options.tags:
tags = u', '.join(options.tags)
tags = tags.encode('ascii', 'ignore')
md.append(r'{\category %s}'%(tags,))
if len(md) > 1:
md.append('}')
stream.seek(0)
src = stream.read()
ans = src[:6] + md + src[6:]
ans = src[:6] + u''.join(md) + src[6:]
stream.seek(0)
stream.write(ans)
@ -156,7 +169,7 @@ def set_metadata(stream, options):
base_pat = r'\{\\name(.*?)(?<!\\)\}'
title = options.title
if title != None:
if title is not None:
title = title.encode('ascii', 'replace')
pat = re.compile(base_pat.replace('name', 'title'), re.DOTALL)
if pat.search(src):
@ -164,7 +177,7 @@ def set_metadata(stream, options):
else:
src = add_metadata_item(src, 'title', title)
comment = options.comments
if comment != None:
if comment is not None:
comment = comment.encode('ascii', 'replace')
pat = re.compile(base_pat.replace('name', 'subject'), re.DOTALL)
if pat.search(src):
@ -172,7 +185,7 @@ def set_metadata(stream, options):
else:
src = add_metadata_item(src, 'subject', comment)
author = options.authors
if author != None:
if author is not None:
author = ', '.join(author)
author = author.encode('ascii', 'ignore')
pat = re.compile(base_pat.replace('name', 'author'), re.DOTALL)
@ -180,14 +193,23 @@ def set_metadata(stream, options):
src = pat.sub(r'{\\author ' + author + r'}', src)
else:
src = add_metadata_item(src, 'author', author)
category = options.get('category', None)
if category != None:
category = category.encode('ascii', 'replace')
tags = options.tags
if tags is not None:
tags = ', '.join(tags)
tags = tags.encode('ascii', 'replace')
pat = re.compile(base_pat.replace('name', 'category'), re.DOTALL)
if pat.search(src):
src = pat.sub(r'{\\category ' + category + r'}', src)
src = pat.sub(r'{\\category ' + tags + r'}', src)
else:
src = add_metadata_item(src, 'category', category)
src = add_metadata_item(src, 'category', tags)
publisher = options.publisher
if publisher is not None:
publisher = publisher.encode('ascii', 'replace')
pat = re.compile(base_pat.replace('name', 'manager'), re.DOTALL)
if pat.search(src):
src = pat.sub(r'{\\manager ' + publisher + r'}', src)
else:
src = add_metadata_item(src, 'manager', publisher)
stream.seek(pos + olen)
after = stream.read()
stream.seek(pos)