Tag mapper for adding books from the GUI

src/calibre/gui2/add.py

@@ -298,6 +298,9 @@ class Adder(QObject):
                 break
         if mi.application_id == '__calibre_dummy__':
             mi.application_id = None
+        if gprefs.get('tag_map_on_add_rules'):
+            from calibre.ebooks.metadata.tag_mapper import map_tags
+            mi.tags = map_tags(mi.tags, gprefs['tag_map_on_add_rules'])
 
         self.pd.msg = mi.title
 

src/calibre/gui2/auto_add.py

@@ -62,15 +62,15 @@ class Worker(Thread):
 
         files = [x for x in os.listdir(self.path) if
                     # Must not be in the process of being added to the db
-                    x not in self.staging
+                    x not in self.staging and
                     # Firefox creates 0 byte placeholder files when downloading
-                    and os.stat(os.path.join(self.path, x)).st_size > 0
+                    os.stat(os.path.join(self.path, x)).st_size > 0 and
                     # Must be a file
-                    and os.path.isfile(os.path.join(self.path, x))
+                    os.path.isfile(os.path.join(self.path, x)) and
                     # Must have read and write permissions
-                    and os.access(os.path.join(self.path, x), os.R_OK|os.W_OK)
+                    os.access(os.path.join(self.path, x), os.R_OK|os.W_OK) and
                     # Must be a known ebook file type
-                    and os.path.splitext(x)[1][1:].lower() in self.allowed
+                    os.path.splitext(x)[1][1:].lower() in self.allowed
                 ]
         data = {}
         # Give any in progress copies time to complete
@@ -201,8 +201,11 @@ class AutoAdder(QObject):
             mi = os.path.join(tdir, 'metadata.opf')
             if not os.access(mi, os.R_OK):
                 continue
-            mi = [OPF(open(mi, 'rb'), tdir,
-                    populate_spine=False).to_book_metadata()]
+            mi = OPF(open(mi, 'rb'), tdir, populate_spine=False).to_book_metadata()
+            if gprefs.get('tag_map_on_add_rules'):
+                from calibre.ebooks.metadata.tag_mapper import map_tags
+                mi.tags = map_tags(mi.tags, gprefs['tag_map_on_add_rules'])
+            mi = [mi]
             dups, ids = m.add_books(paths,
                     [os.path.splitext(fname)[1][1:].upper()], mi,
                     add_duplicates=not gprefs['auto_add_check_for_duplicates'],
@@ -268,4 +271,3 @@ class AutoAdder(QObject):
     def do_auto_convert(self, added_ids):
         gui = self.parent()
         gui.iactions['Convert Books'].auto_convert_auto_add(added_ids)
-

src/calibre/gui2/preferences/adding.py

@@ -50,6 +50,17 @@ class ConfigWidget(ConfigWidgetBase, Ui_Form):
         for signal in ('Activated', 'Changed', 'DoubleClicked', 'Clicked'):
             signal = getattr(self.opt_blocked_auto_formats, 'item'+signal)
             signal.connect(self.blocked_auto_formats_changed)
+        self.tag_map_rules = None
+        self.tag_map_rules_button.clicked.connect(self.change_tag_map_rules)
+
+    def change_tag_map_rules(self):
+        from calibre.gui2.tag_mapper import RulesDialog
+        d = RulesDialog(self)
+        if gprefs.get('tag_map_on_add_rules'):
+            d.rules = gprefs['tag_map_on_add_rules']
+        if d.exec_() == d.Accepted:
+            self.tag_map_rules = d.rules
+            self.changed_signal.emit()
 
     def choose_aa_path(self):
         path = choose_dir(self, 'auto add path choose',
@@ -64,6 +75,7 @@ class ConfigWidget(ConfigWidgetBase, Ui_Form):
         self.filename_pattern.blockSignals(False)
         self.init_blocked_auto_formats()
         self.opt_automerge.setEnabled(self.opt_add_formats_to_existing.isChecked())
+        self.tag_map_rules = None
 
     # Blocked auto formats {{{
     def blocked_auto_formats_changed(self, *args):
@@ -133,6 +145,11 @@ class ConfigWidget(ConfigWidgetBase, Ui_Form):
         changed = set(fmts) != set(old)
         if changed:
             gprefs['blocked_auto_formats'] = self.current_blocked_auto_formats
+        if self.tag_map_rules is not None:
+            if self.tag_map_rules:
+                gprefs['tag_map_on_add_rules'] = self.tag_map_rules
+            else:
+                gprefs.pop('tag_map_on_add_rules', None)
         ret = ConfigWidgetBase.commit(self)
         return changed or ret
 

src/calibre/gui2/preferences/adding.ui

@@ -68,7 +68,7 @@
          </property>
         </widget>
        </item>
-       <item row="8" column="0" colspan="3">
+       <item row="9" column="0" colspan="3">
         <widget class="QGroupBox" name="metadata_box">
          <property name="title">
           <string>&amp;Configure metadata from file name</string>
@@ -175,6 +175,16 @@ Title match ignores leading indefinite articles (&quot;the&quot;, &quot;a&quot;,
          </property>
         </widget>
        </item>
+       <item row="8" column="0">
+        <widget class="QPushButton" name="tag_map_rules_button">
+         <property name="toolTip">
+          <string>Create rules that can filter or transform tags on added books automatically as soon as they are added. </string>
+         </property>
+         <property name="text">
+          <string>Create &amp;rules to filter/transform tags</string>
+         </property>
+        </widget>
+       </item>
       </layout>
      </widget>
      <widget class="QWidget" name="tab_4">

src/calibre/gui2/tag_mapper.py

@@ -336,6 +336,10 @@ class RulesDialog(Dialog):
         self.edit_widget.rules = rules
 
     def save_ruleset(self):
+        if not self.rules:
+            error_dialog(self, _('No rules'), _(
+                'Cannot save as no rules have been created'), show=True)
+            return
         text, ok = QInputDialog.getText(self, _('Save ruleset as'), _(
             'Enter a name for this ruleset:'), text=self.loaded_ruleset or '')
         if ok and text: