Edit book: Allow exporting all selected files to the computer from the File Browser by right clicking

src/calibre/gui2/tweak_book/boss.py

@@ -6,7 +6,7 @@ from __future__ import (unicode_literals, division, absolute_import,
 __license__ = 'GPL v3'
 __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
 
-import tempfile, shutil, sys, os
+import tempfile, shutil, sys, os, errno
 from functools import partial, wraps
 from urlparse import urlparse
 
@@ -1283,7 +1283,20 @@ class Boss(QObject):
             self.set_modified()
 
     @in_thread_job
-    def export_requested(self, name, path):
+    def export_requested(self, name_or_names, path):
+        if isinstance(name_or_names, basestring):
+            return self.export_file(name_or_names, path)
+        for name in name_or_names:
+            dest = os.path.abspath(os.path.join(path, name))
+            if '/' in name or os.sep in name:
+                try:
+                    os.makedirs(os.path.dirname(dest))
+                except EnvironmentError as err:
+                    if err.errno != errno.EEXIST:
+                        raise
+            self.export_file(name, dest)
+
+    def export_file(self, name, path):
         if name in editors and not editors[name].is_synced_to_container:
             self.commit_editor_to_container(name)
         with current_container().open(name, 'rb') as src, open(path, 'wb') as dest:

src/calibre/gui2/tweak_book/file_list.py

@@ -25,7 +25,8 @@ from calibre.ebooks.oeb.polish.cover import (
 )
 from calibre.ebooks.oeb.polish.replace import get_recommended_folders
 from calibre.gui2 import (
-    choose_files, choose_save_file, elided_text, error_dialog, question_dialog
+    choose_dir, choose_files, choose_save_file, elided_text, error_dialog,
+    question_dialog
 )
 from calibre.gui2.tweak_book import (
     CONTAINER_DND_MIMETYPE, current_container, editors, tprefs
@@ -34,7 +35,6 @@ from calibre.gui2.tweak_book.editor import syntax_from_mime
 from calibre.gui2.tweak_book.templates import template_for
 from calibre.utils.icu import sort_key
 
-
 TOP_ICON_SIZE = 24
 NAME_ROLE = Qt.UserRole
 CATEGORY_ROLE = NAME_ROLE + 1
@@ -482,6 +482,9 @@ class FileList(QTreeWidget):
             m.addAction(QIcon(I('save.png')), _('Export %s') % n, partial(self.export, cn))
             if cn not in container.names_that_must_not_be_changed and cn not in container.names_that_must_not_be_removed and mt not in OEB_FONTS:
                 m.addAction(_('Replace %s with file...') % n, partial(self.replace, cn))
+            if num > 1:
+                m.addAction(QIcon(I('save.png')), _('Export all %d selected files') % num, self.export_selected)
+
             m.addSeparator()
 
             m.addAction(QIcon(I('modified.png')), _('&Rename %s') % n, self.edit_current_item)
@@ -732,6 +735,14 @@ class FileList(QTreeWidget):
         if path:
             self.export_requested.emit(name, path)
 
+    def export_selected(self):
+        names = self.selected_names
+        if not names:
+            return
+        path = choose_dir(self, 'tweak_book_export_selected', _('Choose location'))
+        if path:
+            self.export_requested.emit(names, path)
+
     def replace(self, name):
         c = current_container()
         mt = c.mime_map[name]