Make database sorting more efficient and add config option to select UI language

installer/osx/freeze.py

@@ -247,7 +247,6 @@ _check_symlinks_prescript()
             f.close()
             os.chmod(path, stat.S_IXUSR|stat.S_IXGRP|stat.S_IXOTH|stat.S_IREAD\
                      |stat.S_IWUSR|stat.S_IROTH|stat.S_IRGRP)
-        shutil.copyfile('/usr/lib/libiconv.2.dylib', os.path.join(frameworks_dir, 'libiconv.2.dylib'))
         self.add_plugins()
         
             
@@ -266,7 +265,8 @@ _check_symlinks_prescript()
         
         print
         print 'Adding lxml dependencies'
-        subprocess.check_call('install_name_tool -id @executable_path/../Frameworks/libiconv.2.dylib '+ os.path.join(frameworks_dir, 'libiconv.2.dylib'), shell=True)
+        #shutil.copyfile('/usr/lib/libiconv.2.dylib', os.path.join(frameworks_dir, 'libiconv.2.dylib'))
+        #subprocess.check_call('install_name_tool -id @executable_path/../Frameworks/libiconv.2.dylib '+ os.path.join(frameworks_dir, 'libiconv.2.dylib'), shell=True)
         deps = []
         for f in glob.glob(os.path.expanduser('~/libxml2/*')):
             tgt = os.path.join(frameworks_dir, os.path.basename(f))

src/calibre/gui2/dialogs/config.py

@@ -66,6 +66,18 @@ class ConfigDialog(QDialog, Ui_Dialog):
         self.single_format.setCurrentIndex(BOOK_EXTENSIONS.index(single_format))
         self.cover_browse.setValue(config['cover_flow_queue_length'])
         self.confirm_delete.setChecked(config['confirm_delete'])
+        from calibre.translations.compiled import translations
+        from calibre.translations import language_codes
+        from calibre.startup import get_lang
+        lang = get_lang()
+        if lang is not None:
+            self.language.addItem(language_codes[lang], QVariant(lang))
+        items = [(l, language_codes[l]) for l in translations.keys() if l != lang]
+        if lang != 'en':
+            items.append(('en', 'English'))
+        items.sort(cmp=lambda x, y: cmp(x[1], y[1]))
+        for item in items:
+            self.language.addItem(item[1], QVariant(item[0]))
         
     def compact(self, toggled):
         d = Vacuum(self, self.db)
@@ -99,6 +111,7 @@ class ConfigDialog(QDialog, Ui_Dialog):
         prefs['filename_pattern'] = pattern
         config['save_to_disk_single_format'] = BOOK_EXTENSIONS[self.single_format.currentIndex()]
         config['cover_flow_queue_length'] = self.cover_browse.value()
+        prefs['language'] = str(self.language.itemData(self.language.currentIndex()).toString())
         
         if not path or not os.path.exists(path) or not os.path.isdir(path):
             d = error_dialog(self, _('Invalid database location'),

src/calibre/gui2/dialogs/config.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>709</width>
-    <height>685</height>
+    <height>687</height>
    </rect>
   </property>
   <property name="windowTitle" >
@@ -78,14 +78,6 @@
         <number>0</number>
        </property>
        <widget class="QWidget" name="page_3" >
-        <property name="geometry" >
-         <rect>
-          <x>0</x>
-          <y>0</y>
-          <width>595</width>
-          <height>640</height>
-         </rect>
-        </property>
         <layout class="QVBoxLayout" name="verticalLayout" >
          <item>
           <layout class="QVBoxLayout" name="_2" >
@@ -223,6 +215,19 @@
              </property>
             </widget>
            </item>
+           <item row="3" column="1" >
+            <widget class="QComboBox" name="language" />
+           </item>
+           <item row="3" column="0" >
+            <widget class="QLabel" name="label_7" >
+             <property name="text" >
+              <string>Choose &amp;language (requires restart):</string>
+             </property>
+             <property name="buddy" >
+              <cstring>language</cstring>
+             </property>
+            </widget>
+           </item>
           </layout>
          </item>
          <item>
@@ -389,14 +394,6 @@
         </layout>
        </widget>
        <widget class="QWidget" name="page_2" >
-        <property name="geometry" >
-         <rect>
-          <x>0</x>
-          <y>0</y>
-          <width>595</width>
-          <height>638</height>
-         </rect>
-        </property>
         <layout class="QVBoxLayout" >
          <item>
           <layout class="QHBoxLayout" >

src/calibre/library/database2.py

@@ -6,7 +6,8 @@ __docformat__ = 'restructuredtext en'
 '''
 The database used to store ebook metadata
 '''
-import os, re, sys, shutil, cStringIO, glob, collections
+import os, re, sys, shutil, cStringIO, glob, collections, textwrap, \
+       operator, itertools, functools
 import sqlite3 as sqlite
 from itertools import repeat
 
@@ -159,6 +160,157 @@ class Concatenate(object):
             return self.ans[:-len(self.sep)]
         return self.ans
     
+class ResultCache(object):
+    
+    '''
+    Stores sorted and filtered metadata in memory.
+    '''
+    
+    METHOD_MAP = {
+                  'title'        : 'title',
+                  'authors'      : 'author_sort',
+                  'author'       : 'author_sort',
+                  'publisher'    : 'publisher',
+                  'size'         : 'size',
+                  'date'         : 'timestamp',
+                  'timestamp'    : 'timestamp',
+                  'rating'       : 'rating',
+                  'tags'         : 'tags',
+                  'series'       : 'series',
+                  }
+    
+    def __init__(self):
+        self._map = self._map_filtered = self._data = []
+        
+    def __getitem__(self, row):
+        return self._data[self._map_filtered[row]]
+    
+    def __len__(self):
+        return len(self._map_filtered)
+    
+    def __iter__(self):
+        for id in self._map_filtered:
+            yield self._data[id]
+            
+    def remove(self, id):
+        self._data[id] = None
+        if id in self._map:
+            self._map.remove(id)
+        if id in self._map_filtered:
+            self._map_filtered.remove(id)
+            
+    def set(self, row, col, val):
+        id = self._map_filtered[row]
+        self._data[id][col] = val
+        
+    def index(self, id, cache=False):
+        x = self._map if cache else self._map_filtered
+        return x.index(id)
+    
+    def row(self, id):
+        return self.index(id)
+    
+    def refresh_ids(self, conn, ids):
+        for id in ids:
+            self._data[id] = conn.execute('SELECT * from meta WHERE id=?', (id,)).fetchone()
+        return map(self.row, ids)
+        
+    def refresh(self, db, field, ascending):
+        field = field.lower()
+        method = getattr(self, 'sort_on_' + self.METHOD_MAP[field])
+        # Fast mapping from sorted row numbers to ids
+        self._map = map(operator.itemgetter(0), method('ASC' if ascending else 'DESC', db)) # Preserves sort order
+        # Fast mapping from sorted, filtered row numbers to ids
+        # At the moment it is the same as self._map
+        self._map_filtered = list(self._map)
+        temp = db.conn.execute('SELECT * FROM meta').fetchall()
+        # Fast mapping from ids to data. 
+        # Can be None for ids that dont exist (i.e. have been deleted)
+        self._data = list(itertools.repeat(None, temp[-1][0]+2))
+        for r in temp:
+            self._data[r[0]] = r
+    
+    def filter(self, filters, refilter=False, OR=False):
+        '''
+        Filter data based on filters. All the filters must match for an item to
+        be accepted. Matching is case independent regexp matching.
+        @param filters: A list of SearchToken objects
+        @param refilter: If True filters are applied to the results of the previous
+                         filtering.
+        @param OR: If True, keeps a match if any one of the filters matches. If False,
+        keeps a match only if all the filters match
+        '''
+        if not refilter:
+                self._map_filtered = list(self._map)
+        if filters:
+            remove = []
+            for id in self._map_filtered:
+                if OR:
+                    keep = False
+                    for token in filters:
+                        if token.match(self._data[id]):
+                            keep = True
+                            break
+                    if not keep:
+                        remove.append(id)
+                else:
+                    for token in filters:
+                        if not token.match(self._data[id]):
+                            remove.append(id)
+                            break
+            for id in remove:
+                self._map_filtered.remove(id)
+    
+    def sort_on_title(self, order, db):
+        return db.conn.execute('SELECT id FROM books ORDER BY sort ' + order).fetchall()
+    
+    def sort_on_author_sort(self, order, db):
+        return db.conn.execute('SELECT id FROM books ORDER BY author_sort,sort ' + order).fetchall()
+    
+    def sort_on_timestamp(self, order, db):
+        return db.conn.execute('SELECT id FROM books ORDER BY id ' + order).fetchall()
+    
+    def sort_on_publisher(self, order, db):
+        no_publisher = db.conn.execute('SELECT id FROM books WHERE books.id NOT IN (SELECT book FROM books_publishers_link) ORDER BY books.sort').fetchall()
+        ans = []
+        for r in db.conn.execute('SELECT id FROM publishers ORDER BY name '+order).fetchall():
+            publishers_id = r[0]
+            ans += db.conn.execute('SELECT id FROM books WHERE books.id IN (SELECT book FROM books_publishers_link WHERE publisher=?) ORDER BY books.sort '+order, (publishers_id,)).fetchall()
+        ans = (no_publisher + ans) if order == 'ASC' else (ans + no_publisher)
+        return ans 
+        
+
+    def sort_on_size(self, order, db): 
+        return db.conn.execute('SELECT id FROM meta ORDER BY size ' + order).fetchall()
+    
+    def sort_on_rating(self, order, db): 
+        no_rating = db.conn.execute('SELECT id FROM books WHERE books.id NOT IN (SELECT book FROM books_ratings_link) ORDER BY books.sort').fetchall()
+        ans = []
+        for r in db.conn.execute('SELECT id FROM ratings ORDER BY rating '+order).fetchall():
+            ratings_id = r[0]
+            ans += db.conn.execute('SELECT id FROM books WHERE books.id IN (SELECT book FROM books_ratings_link WHERE rating=?) ORDER BY books.sort', (ratings_id,)).fetchall()
+        ans = (no_rating + ans) if order == 'ASC' else (ans + no_rating)
+        return ans 
+        
+    
+    def sort_on_series(self, order, db):
+        no_series = db.conn.execute('SELECT id FROM books WHERE books.id NOT IN (SELECT book FROM books_series_link) ORDER BY books.sort').fetchall()
+        ans = []
+        for r in db.conn.execute('SELECT id FROM series ORDER BY name '+order).fetchall():
+            series_id = r[0]
+            ans += db.conn.execute('SELECT id FROM books WHERE books.id IN (SELECT book FROM books_series_link WHERE series=?) ORDER BY books.series_index,books.id '+order, (series_id,)).fetchall()
+        ans = (no_series + ans) if order == 'ASC' else (ans + no_series)
+        return ans 
+        
+    
+    def sort_on_tags(self, order, db):
+        no_tags = db.conn.execute('SELECT id FROM books WHERE books.id NOT IN (SELECT book FROM books_tags_link) ORDER BY books.sort').fetchall()
+        ans = []
+        for r in db.conn.execute('SELECT id FROM tags ORDER BY name '+order).fetchall():
+            tag_id = r[0]
+            ans += db.conn.execute('SELECT id FROM books WHERE books.id IN (SELECT book FROM books_tags_link WHERE tag=?) ORDER BY books.sort '+order, (tag_id,)).fetchall()
+        ans = (no_tags + ans) if order == 'ASC' else (ans + no_tags)
+        return ans 
 
 class LibraryDatabase2(LibraryDatabase):
     '''
@@ -210,12 +362,40 @@ class LibraryDatabase2(LibraryDatabase):
         if isinstance(self.dbpath, unicode):
             self.dbpath = self.dbpath.encode(filesystem_encoding)
         self.connect()
+        # Upgrade database 
+        while True:
+            meth = getattr(self, 'upgrade_version_%d'%self.user_version, None)
+            if meth is None:
+                break
+            else:
+                print 'Upgrading database to version %d...'%(self.user_version+1)
+                meth()
+                self.conn.commit()
+                self.user_version += 1
         
+        self.data    = ResultCache()
+        self.filter  = self.data.filter
+        self.refresh = functools.partial(self.data.refresh, self)
+        self.index   = self.data.index
+        self.refresh_ids = functools.partial(self.data.refresh_ids, self.conn)
+        self.row     = self.data.row
         
     def initialize_database(self):
         from calibre.resources import metadata_sqlite
         self.conn.executescript(metadata_sqlite)
         self.user_version = 1
+        
+    def upgrade_version_1(self):
+        '''
+        Normalize indices.
+        '''
+        self.conn.executescript(textwrap.dedent('''\
+        DROP INDEX authors_idx;
+        CREATE INDEX authors_idx ON books (author_sort COLLATE NOCASE, sort COLLATE NOCASE);
+        DROP INDEX series_idx;
+        CREATE INDEX series_idx ON series (name COLLATE NOCASE);
+        CREATE INDEX series_sort_idx ON books (series_index, id);
+        '''))
     
     def path(self, index, index_is_id=False):
         'Return the relative path to the directory containing this books files as a unicode string.'
@@ -371,13 +551,9 @@ class LibraryDatabase2(LibraryDatabase):
         
     def delete_book(self, id):
         '''
-        Removes book from self.cache, self.data and underlying database.
+        Removes book from the result cache and the underlying database.
         '''
-        try:
-            self.cache.pop(self.index(id, cache=True))
-            self.data.pop(self.index(id, cache=False))
-        except TypeError: #If data and cache are the same object
-            pass
+        self.data.remove(id)
         path = os.path.join(self.library_path, self.path(id, True))
         if os.path.exists(path):
             shutil.rmtree(path)
@@ -400,6 +576,27 @@ class LibraryDatabase2(LibraryDatabase):
             self.conn.execute('DELETE FROM data WHERE book=? AND format=?', (id, format.upper()))
             self.conn.commit()
     
+    def set(self, row, column, val):
+        '''
+        Convenience method for setting the title, authors, publisher or rating
+        '''
+        id = self.data[row][0]
+        col = {'title':1, 'authors':2, 'publisher':3, 'rating':4, 'tags':7}[column]
+
+        self.data.set(row, col, val)
+        if column == 'authors':
+            val = val.split('&,')
+            self.set_authors(id, val)
+        elif column == 'title':
+            self.set_title(id, val)
+        elif column == 'publisher':
+            self.set_publisher(id, val)
+        elif column == 'rating':
+            self.set_rating(id, val)
+        elif column == 'tags':
+            self.set_tags(id, val.split(','), append=False)
+        self.set_path(id, True)
+    
     def set_metadata(self, id, mi):
         '''
         Set metadata for the book `id` from the `MetaInformation` object `mi` 
@@ -451,10 +648,31 @@ class LibraryDatabase2(LibraryDatabase):
             return
         self.conn.execute('UPDATE books SET title=? WHERE id=?', (title, id))
         self.set_path(id, True)
-    
+        
+    def set_series(self, id, series):
+        self.conn.execute('DELETE FROM books_series_link WHERE book=?',(id,))
+        if series:
+            s = self.conn.execute('SELECT id from series WHERE name=?', (series,)).fetchone()
+            if s:
+                aid = s[0]
+            else:
+                aid = self.conn.execute('INSERT INTO series(name) VALUES (?)', (series,)).lastrowid
+            self.conn.execute('INSERT INTO books_series_link(book, series) VALUES (?,?)', (id, aid))
+        self.conn.commit()
+        row = self.row(id)
+        if row is not None:
+            self.data.set(row, 9, series)
+            
+    def set_series_index(self, id, idx):
+        self.conn.execute('UPDATE books SET series_index=? WHERE id=?', (int(idx), id))
+        self.conn.commit()
+        row = self.row(id)
+        if row is not None:
+            self.data.set(row, 10, idx)
+        
     def add_books(self, paths, formats, metadata, uris=[], add_duplicates=True):
         '''
-        Add a book to the database. self.data and self.cache are not updated.
+        Add a book to the database. The result cache is not updated.
         @param paths: List of paths to book files of file-like objects
         '''
         formats, metadata, uris = iter(formats), iter(metadata), iter(uris)

src/calibre/startup.py

@@ -16,6 +16,7 @@ __builtin__.__dict__['_'] = lambda s: s
 from calibre.constants import iswindows, isosx, islinux, isfrozen,\
     preferred_encoding
 from calibre.translations.msgfmt import make
+from calibre.utils.config import prefs
 
 _run_once = False
 if not _run_once:
@@ -24,6 +25,9 @@ if not _run_once:
     # Setup translations
 
     def get_lang():
+        lang = prefs['language']
+        if lang is not None:
+            return lang
         lang = locale.getdefaultlocale()[0]
         if lang is None and os.environ.has_key('LANG'): # Needed for OS X
             try:

src/calibre/translations/__init__.py

@@ -5,6 +5,36 @@ Manage translation of user visible strings.
 '''
 import shutil, tarfile, re, os, subprocess, urllib2
 
+language_codes = {
+    'aa':'Afar','ab':'Abkhazian','af':'Afrikaans','am':'Amharic','ar':'Arabic','as':'Assamese','ay':'Aymara','az':'Azerbaijani',
+    'ba':'Bashkir','be':'Byelorussian','bg':'Bulgarian','bh':'Bihari','bi':'Bislama','bn':'Bengali','bo':'Tibetan','br':'Breton',
+    'ca':'Catalan','co':'Corsican','cs':'Czech','cy':'Welsh',
+    'da':'Danish','de':'German','dz':'Bhutani',
+    'el':'Greek','en':'English','eo':'Esperanto','es':'Spanish','et':'Estonian','eu':'Basque',
+    'fa':'Persian','fi':'Finnish','fj':'Fiji','fo':'Faroese','fr':'French','fy':'Frisian',
+    'ga':'Irish','gd':'Scots Gaelic','gl':'Galician','gn':'Guarani','gu':'Gujarati',
+    'ha':'Hausa','he':'Hebrew','hi':'Hindi','hr':'Croatian','hu':'Hungarian','hy':'Armenian',
+    'ia':'Interlingua','id':'Indonesian','ie':'Interlingue','ik':'Inupiak','is':'Icelandic','it':'Italian','iu':'Inuktitut',
+    'ja':'Japanese','jw':'Javanese',
+    'ka':'Georgian','kk':'Kazakh','kl':'Greenlandic','km':'Cambodian','kn':'Kannada','ko':'Korean','ks':'Kashmiri','ku':'Kurdish','ky':'Kirghiz',
+    'la':'Latin','ln':'Lingala','lo':'Laothian','lt':'Lithuanian','lv':'Latvian, Lettish',
+    'mg':'Malagasy','mi':'Maori','mk':'Macedonian','ml':'Malayalam','mn':'Mongolian','mo':'Moldavian','mr':'Marathi','ms':'Malay','mt':'Maltese','my':'Burmese',
+    'na':'Nauru','nb':'Norwegian Bokmal','nds':'German,Low','ne':'Nepali','nl':'Dutch','no':'Norwegian',
+    'oc':'Occitan','om':'(Afan) Oromo','or':'Oriya',
+    'pa':'Punjabi','pl':'Polish','ps':'Pashto, Pushto','pt':'Portuguese',
+    'qu':'Quechua',
+    'rm':'Rhaeto-Romance','rn':'Kirundi','ro':'Romanian','ru':'Russian','rw':'Kinyarwanda',
+    'sa':'Sanskrit','sd':'Sindhi','sg':'Sangho','sh':'Serbo-Croatian','si':'Sinhalese','sk':'Slovak','sl':'Slovenian','sm':'Samoan','sn':'Shona','so':'Somali','sq':'Albanian','sr':'Serbian','ss':'Siswati','st':'Sesotho','su':'Sundanese','sv':'Swedish','sw':'Swahili',
+    'ta':'Tamil','te':'Telugu','tg':'Tajik','th':'Thai','ti':'Tigrinya','tk':'Turkmen','tl':'Tagalog','tn':'Setswana','to':'Tonga','tr':'Turkish','ts':'Tsonga','tt':'Tatar','tw':'Twi',
+    'ug':'Uighur','uk':'Ukrainian','ur':'Urdu','uz':'Uzbek',
+    'vi':'Vietnamese','vo':'Volapuk',
+    'wo':'Wolof',
+    'xh':'Xhosa',
+    'yi':'Yiddish','yo':'Yoruba',
+    'za':'Zhuang','zh':'Chinese','zu':'Zulu'
+}
+
+
 def import_from_launchpad(url):
     f = open('/tmp/launchpad_export.tar.gz', 'wb')
     shutil.copyfileobj(urllib2.urlopen(url), f)

src/calibre/utils/config.py

@@ -492,6 +492,8 @@ def _prefs():
               help=_('Default timeout for network operations (seconds)'))
     c.add_opt('library_path', default=None,
               help=_('Path to directory in which your library of books is stored'))
+    c.add_opt('language', default=None,
+              help=_('The language in which to display the user interface'))
     
     c.add_opt('migrated', default=False, help='For Internal use. Don\'t modify.')
     return c