Intelligently convert (almost) all filenames to ASCII. This should make for more readable file names as opposed to the previous practice of simply replacing unicode chracters with underscores.

src/calibre/devices/cybookg3/driver.py

@@ -8,7 +8,7 @@ import os
 import shutil
 from itertools import cycle
 
-from calibre import sanitize_file_name as sanitize
+from calibre.utils.filenames import ascii_filename as sanitize
 from calibre.devices.usbms.driver import USBMS
 import calibre.devices.cybookg3.t2b as t2b
 
@@ -98,7 +98,7 @@ class CYBOOKG3(USBMS):
             self.report_progress(i / float(len(files)), _('Transferring books to device...'))
 
         self.report_progress(1.0, _('Transferring books to device...'))
-        
+
         return zip(paths, cycle([on_card]))
 
     def delete_books(self, paths, end_session=True):

src/calibre/devices/jetbook/driver.py

@@ -8,7 +8,7 @@ import os, re, sys, shutil
 from itertools import cycle
 
 from calibre.devices.usbms.driver import USBMS
-from calibre import sanitize_file_name as sanitize
+from calibre.utils.filenames import ascii_filename as sanitize
 from calibre.ebooks.metadata import string_to_authors
 
 class JETBOOK(USBMS):

src/calibre/ebooks/mobi/reader.py

@@ -21,7 +21,8 @@ except ImportError:
 
 from lxml import html, etree
 
-from calibre import entity_to_unicode, sanitize_file_name
+from calibre import entity_to_unicode
+from calibre.utils.filenames import ascii_filename
 from calibre.ptempfile import TemporaryDirectory
 from calibre.ebooks import DRMError
 from calibre.ebooks.chardet import ENCODING_PATS
@@ -374,7 +375,7 @@ class MobiReader(object):
         fname = self.name.encode('ascii', 'replace')
         fname = re.sub(r'[\x08\x15\0]+', '', fname)
         htmlfile = os.path.join(output_dir,
-            sanitize_file_name(fname) + '.html')
+            ascii_filename(fname) + '.html')
         try:
             for ref in guide.xpath('descendant::reference'):
                 if ref.attrib.has_key('href'):

src/calibre/ebooks/unidecode/unidecoder.py

@@ -57,6 +57,7 @@ it under the same terms as Perl itself.
 import re
 
 from calibre.ebooks.unidecode.unicodepoints import CODEPOINTS
+from calibre.constants import preferred_encoding
 
 class Unidecoder(object):
 
@@ -70,7 +71,10 @@ class Unidecoder(object):
             try:
                 text = unicode(text)
             except:
-                text = text.decode('utf-8', 'ignore')
+                try:
+                    text = text.decode(preferred_encoding)
+                except:
+                    text = text.decode('utf-8', 'replace')
         # Replace characters larger than 127 with their ASCII equivelent.
         return re.sub('[^\x00-\x7f]', lambda x: self.replace_point(x.group()),
             text)
@@ -80,7 +84,7 @@ class Unidecoder(object):
         Returns the replacement character or ? if none can be found.
         '''
         try:
-            # Splite the unicode character xABCD into parts 0xAB and 0xCD.
+            # Split the unicode character xABCD into parts 0xAB and 0xCD.
             # 0xAB represents the group within CODEPOINTS to query and 0xCD
             # represents the position in the list of characters for the group.
             return CODEPOINTS[self.code_group(codepoint)][self.grouped_point(

src/calibre/gui2/device.py

@@ -21,7 +21,7 @@ from calibre.gui2 import config, error_dialog, Dispatcher, dynamic, \
                                    pixmap_to_data, warning_dialog, \
                                    question_dialog
 from calibre.ebooks.metadata import authors_to_string
-from calibre import sanitize_file_name, preferred_encoding
+from calibre import preferred_encoding
 from calibre.utils.filenames import ascii_filename
 from calibre.devices.errors import FreeSpaceError
 from calibre.utils.smtp import compose_mail, sendmail, extract_email_address, \
@@ -542,7 +542,7 @@ class DeviceGUI(object):
                         '\n\n' + t + '\n\t' + _('by') + ' ' + a + '\n\n' + \
                         _('in the %s format.') %
                         os.path.splitext(f)[1][1:].upper())
-                prefix = sanitize_file_name(t+' - '+a)
+                prefix = ascii_filename(t+' - '+a)
                 if not isinstance(prefix, unicode):
                     prefix = prefix.decode(preferred_encoding, 'replace')
                 attachment_names.append(prefix + os.path.splitext(f)[1])
@@ -693,7 +693,7 @@ class DeviceGUI(object):
                     rows_are_ids=True)
             names = []
             for mi in metadata:
-                prefix = sanitize_file_name(mi['title'])
+                prefix = ascii_filename(mi['title'])
                 if not isinstance(prefix, unicode):
                     prefix = prefix.decode(preferred_encoding, 'replace')
                 prefix = ascii_filename(prefix)
@@ -758,7 +758,7 @@ class DeviceGUI(object):
                 a = mi['authors']
                 if not a:
                     a = _('Unknown')
-                prefix = sanitize_file_name(t+' - '+a)
+                prefix = ascii_filename(t+' - '+a)
                 if not isinstance(prefix, unicode):
                     prefix = prefix.decode(preferred_encoding, 'replace')
                 prefix = ascii_filename(prefix)

src/calibre/gui2/main.py

@@ -14,8 +14,9 @@ from PyQt4.Qt import Qt, SIGNAL, QObject, QCoreApplication, QUrl, QTimer, \
                      QMessageBox, QStackedLayout
 from PyQt4.QtSvg import QSvgRenderer
 
-from calibre import __version__, __appname__, sanitize_file_name, \
+from calibre import __version__, __appname__, \
                     iswindows, isosx, prints, patheq
+from calibre.utils.filenames import ascii_filename
 from calibre.ptempfile import PersistentTemporaryFile
 from calibre.utils.config import prefs, dynamic
 from calibre.utils.ipc.server import Server
@@ -852,7 +853,7 @@ class Main(MainWindow, Ui_MainWindow, DeviceGUI):
     def _files_added(self, paths=[], names=[], infos=[], on_card=None):
         if paths:
             self.upload_books(paths,
-                                list(map(sanitize_file_name, names)),
+                                list(map(ascii_filename, names)),
                                 infos, on_card=on_card)
             self.status_bar.showMessage(
                     _('Uploading books to device.'), 2000)

src/calibre/library/database2.py

@@ -34,7 +34,7 @@ from calibre.constants import preferred_encoding, iswindows, isosx, filesystem_e
 from calibre.ptempfile import PersistentTemporaryFile
 from calibre.customize.ui import run_plugins_on_import
 
-from calibre import sanitize_file_name
+from calibre.utils.filenames import ascii_filename
 from calibre.ebooks import BOOK_EXTENSIONS
 
 if iswindows:
@@ -652,8 +652,8 @@ class LibraryDatabase2(LibraryDatabase):
         authors = self.authors(id, index_is_id=True)
         if not authors:
             authors = _('Unknown')
-        author = sanitize_file_name(authors.split(',')[0][:self.PATH_LIMIT]).decode(filesystem_encoding, 'ignore')
+        author = ascii_filename(authors.split(',')[0][:self.PATH_LIMIT]).decode(filesystem_encoding, 'ignore')
-        title  = sanitize_file_name(self.title(id, index_is_id=True)[:self.PATH_LIMIT]).decode(filesystem_encoding, 'ignore')
+        title  = ascii_filename(self.title(id, index_is_id=True)[:self.PATH_LIMIT]).decode(filesystem_encoding, 'ignore')
         path   = author + '/' + title + ' (%d)'%id
         return path
 
@@ -664,8 +664,8 @@ class LibraryDatabase2(LibraryDatabase):
         authors = self.authors(id, index_is_id=True)
         if not authors:
             authors = _('Unknown')
-        author = sanitize_file_name(authors.split(',')[0][:self.PATH_LIMIT]).decode(filesystem_encoding, 'replace')
+        author = ascii_filename(authors.split(',')[0][:self.PATH_LIMIT]).decode(filesystem_encoding, 'replace')
-        title  = sanitize_file_name(self.title(id, index_is_id=True)[:self.PATH_LIMIT]).decode(filesystem_encoding, 'replace')
+        title  = ascii_filename(self.title(id, index_is_id=True)[:self.PATH_LIMIT]).decode(filesystem_encoding, 'replace')
         name   = title + ' - ' + author
         while name.endswith('.'):
             name = name[:-1]
@@ -1520,12 +1520,12 @@ class LibraryDatabase2(LibraryDatabase):
             x['cover'] = os.path.join(path, 'cover.jpg')
             if not self.has_cover(x['id'], index_is_id=True):
                 x['cover'] = None
-            path += os.sep +  self.construct_file_name(record[FIELD_MAP['id']]) + '.%s'
             formats = self.formats(record[FIELD_MAP['id']], index_is_id=True)
             if formats:
                 for fmt in formats.split(','):
-                    x['formats'].append(path%fmt.lower())
+                    path = self.format_abspath(x['id'], fmt, index_is_id=True)
-                    x['fmt_'+fmt.lower()] = path%fmt.lower()
+                    x['formats'].append(path)
+                    x['fmt_'+fmt.lower()] = path
                 x['available_formats'] = [i.upper() for i in formats.split(',')]
 
         return data
@@ -1602,12 +1602,12 @@ books_series_link      feeds
                 by_author[au] = []
             by_author[au].append(index)
         for au in by_author.keys():
-            apath = os.path.join(dir, sanitize_file_name(au))
+            apath = os.path.join(dir, ascii_filename(au))
             if not single_dir and not os.path.exists(apath):
                 os.mkdir(apath)
             for idx in by_author[au]:
                 title = re.sub(r'\s', ' ', self.title(idx, index_is_id=index_is_id))
-                tpath = os.path.join(apath, sanitize_file_name(title))
+                tpath = os.path.join(apath, ascii_filename(title))
                 id = idx if index_is_id else self.id(idx)
                 id = str(id)
                 if not single_dir and not os.path.exists(tpath):
@@ -1621,10 +1621,10 @@ books_series_link      feeds
                     mi.authors = [_('Unknown')]
                 cdata = self.cover(int(id), index_is_id=True)
                 if cdata is not None:
-                    cname = sanitize_file_name(name)+'.jpg'
+                    cname = ascii_filename(name)+'.jpg'
                     open(os.path.join(base, cname), 'wb').write(cdata)
                     mi.cover = cname
-                with open(os.path.join(base, sanitize_file_name(name)+'.opf'),
+                with open(os.path.join(base, ascii_filename(name)+'.opf'),
                         'wb') as f:
                     f.write(metadata_to_opf(mi))
 
@@ -1636,7 +1636,7 @@ books_series_link      feeds
                     if not data:
                         continue
                     fname = name +'.'+fmt.lower()
-                    fname = sanitize_file_name(fname)
+                    fname = ascii_filename(fname)
                     f = open(os.path.join(base, fname), 'w+b')
                     f.write(data)
                     f.flush()
@@ -1671,7 +1671,7 @@ books_series_link      feeds
             if not au:
                 au = _('Unknown')
             fname = '%s - %s.%s'%(title, au, format.lower())
-            fname = sanitize_file_name(fname)
+            fname = ascii_filename(fname)
             if not os.path.exists(dir):
                 os.makedirs(dir)
             f = open(os.path.join(dir, fname), 'w+b')

src/calibre/web/fetch/simple.py

@@ -14,8 +14,8 @@ from httplib import responses
 from PIL import Image
 from cStringIO import StringIO
 
-from calibre import browser, sanitize_file_name, \
+from calibre import browser, relpath, unicode_path
-                    relpath, unicode_path
+from calibre.utils.filenames import ascii_filename
 from calibre.ebooks.BeautifulSoup import BeautifulSoup, Tag
 from calibre.ebooks.chardet import xml_to_unicode
 from calibre.utils.config import OptionParser
@@ -313,7 +313,7 @@ class RecursiveFetcher(object):
                 self.log.exception('Could not fetch image %s'% iurl)
                 continue
             c += 1
-            fname = sanitize_file_name('img'+str(c)+ext)
+            fname = ascii_filename('img'+str(c)+ext)
             if isinstance(fname, unicode):
                 fname = fname.encode('ascii', 'replace')
             imgpath = os.path.join(diskpath, fname+'.jpg')
@@ -416,7 +416,7 @@ class RecursiveFetcher(object):
                     if not isinstance(_fname, unicode):
                         _fname.decode('latin1', 'replace')
                     _fname = _fname.encode('ascii', 'replace').replace('%', '').replace(os.sep, '')
-                    _fname = sanitize_file_name(_fname)
+                    _fname = ascii_filename(_fname)
                     _fname = os.path.splitext(_fname)[0]+'.xhtml'
                     res = os.path.join(linkdiskpath, _fname)
                     self.downloaded_paths.append(res)