Fix pep8 compliance and add replace parameter to add_formats_with_hooks

setup.cfg

@@ -1,4 +1,4 @@
 [flake8]
 max-line-length = 160
 builtins = _,dynamic_property,__,P,I,lopen,icu_lower,icu_upper,icu_title,ngettext
-ignore = E12,E221,E301,E302,E304,E401,W391
+ignore = E12,E22,E231,E301,E302,E304,E401,W391

src/calibre/library/database2.py

@@ -352,7 +352,6 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
             '''.format(_('News')))
         self.conn.commit()
 
-
         CustomColumns.__init__(self)
         template = '''\
                 (SELECT {query} FROM books_{table}_link AS link INNER JOIN
@@ -1476,12 +1475,12 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
             return ret
 
     def add_format_with_hooks(self, index, format, fpath, index_is_id=False,
-                              path=None, notify=True):
+                              path=None, notify=True, replace=True):
         npath = self.run_import_plugins(fpath, format)
         format = os.path.splitext(npath)[-1].lower().replace('.', '').upper()
         stream = lopen(npath, 'rb')
         format = check_ebook_format(stream, format)
-        retval = self.add_format(index, format, stream,
+        retval = self.add_format(index, format, stream, replace=replace,
                                index_is_id=index_is_id, path=path, notify=notify)
         run_plugins_on_postimport(self, id, format)
         return retval
@@ -1489,7 +1488,8 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
     def add_format(self, index, format, stream, index_is_id=False, path=None,
             notify=True, replace=True, copy_function=None):
         id = index if index_is_id else self.id(index)
-        if not format: format = ''
+        if not format:
+            format = ''
         self.format_metadata_cache[id].pop(format.upper(), None)
         name = self.format_filename_cache[id].get(format.upper(), None)
         if path is None:
@@ -1576,7 +1576,8 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
     def remove_format(self, index, format, index_is_id=False, notify=True,
                       commit=True, db_only=False):
         id = index if index_is_id else self.id(index)
-        if not format: format = ''
+        if not format:
+            format = ''
         self.format_metadata_cache[id].pop(format.upper(), None)
         name = self.format_filename_cache[id].get(format.upper(), None)
         if name:
@@ -2335,7 +2336,6 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
                     identifiers[icu_lower(key)] = val
             self.set_identifiers(id, identifiers, notify=False, commit=False)
 
-
         user_mi = mi.get_all_user_metadata(make_copy=False)
         for key in user_mi.iterkeys():
             if key in self.field_metadata and \
@@ -2614,7 +2614,6 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
         if notify:
             self.notify('metadata', [id])
 
-
     def set_publisher(self, id, publisher, notify=True, commit=True,
                       allow_case_change=False):
         self.conn.execute('DELETE FROM books_publishers_link WHERE book=?',(id,))
@@ -2820,7 +2819,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
         if new_id is None or old_id == new_id:
             new_id = old_id
             # New name doesn't exist. Simply change the old name
-            self.conn.execute('UPDATE publishers SET name=? WHERE id=?', \
+            self.conn.execute('UPDATE publishers SET name=? WHERE id=?',
                               (new_name, old_id))
         else:
             # Change the link table to point at the new one
@@ -2860,7 +2859,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
             self.conn.commit()
 
     def set_sort_field_for_author(self, old_id, new_sort, commit=True, notify=False):
-        self.conn.execute('UPDATE authors SET sort=? WHERE id=?', \
+        self.conn.execute('UPDATE authors SET sort=? WHERE id=?',
                               (new_sort.strip(), old_id))
         if commit:
             self.conn.commit()
@@ -2959,7 +2958,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
     @classmethod
     def cleanup_tags(cls, tags):
         tags = [x.strip().replace(',', ';') for x in tags if x.strip()]
-        tags = [x.decode(preferred_encoding, 'replace') \
+        tags = [x.decode(preferred_encoding, 'replace')
                     if isbytestring(x) else x for x in tags]
         tags = [u' '.join(x.split()) for x in tags]
         ans, seen = [], set([])
@@ -3363,7 +3362,6 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
         self.data.refresh_ids(self, [db_id])  # Needed to update format list and size
         return db_id
 
-
     def add_news(self, path, arg):
         from calibre.ebooks.metadata.meta import get_metadata
 
@@ -3463,7 +3461,6 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
                 traceback.print_exc()
         return id
 
-
     def add_books(self, paths, formats, metadata, add_duplicates=True,
             return_ids=False):
         '''
@@ -3651,7 +3648,8 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
                 FIELDS.add('%d_index'%x)
         data = []
         for record in self.data:
-            if record is None: continue
+            if record is None:
+                continue
             db_id = record[self.FIELD_MAP['id']]
             if ids is not None and db_id not in ids:
                 continue
@@ -3771,7 +3769,7 @@ books_series_link      feeds
                     continue
 
                 key = os.path.splitext(path)[0]
-                if not books.has_key(key):
+                if key not in books:
                     books[key] = []
                 books[key].append(path)