Remove qt_ prefix from qtutils functions.

doc/HACKING.asciidoc

@@ -244,7 +244,7 @@ instead of using exceptions.
 +
 If a function gets or returns a Qt object which
 has an `.isValid()` method such as `QUrl` or `QModelIndex`, there's a helper
-function `qt_ensure_valid` in `qutebrowser.utils.qt` which should get called on
+function `ensure_valid` in `qutebrowser.utils.qt` which should get called on
 all such objects. It will raise `qutebrowser.utils.qt.QtValueError` if the
 value is not valid.
 +
@@ -372,8 +372,8 @@ displaying it to the user.
 * Name a string URL something like `urlstr`, and a `QUrl` something like `url`.
 * Mention in the docstring whether your function needs a URL string or a
 `QUrl`.
-* Call `qt_ensure_valid` from `utils.qt` whenever getting or creating a
+* Call `ensure_valid` from `utils.qt` whenever getting or creating a `QUrl` and
-`QUrl` and take appropriate action if not.
+take appropriate action if not.
 
 
 Style conventions

qutebrowser/app.py

@@ -86,7 +86,7 @@ class Application(QApplication):
             # We don't enable this earlier because some imports trigger
             # warnings (which are not our fault).
             warnings.simplefilter('default')
-        qt_args = qtutils.get_qt_args(args)
+        qt_args = qtutils.get_args(args)
         log.init.debug("Qt arguments: {}, based on {}".format(qt_args, args))
         super().__init__(qt_args)
         self._quit_status = {

qutebrowser/browser/downloads.py

@@ -347,7 +347,7 @@ class DownloadManager(QObject):
             url: The URL to get, as QUrl
             page: The QWebPage to get the download from.
         """
-        qtutils.qt_ensure_valid(url)
+        qtutils.ensure_valid(url)
         req = QNetworkRequest(url)
         reply = page.networkAccessManager().get(req)
         self.fetch(reply)

qutebrowser/browser/hints.py

@@ -340,7 +340,7 @@ class HintManager(QObject):
         Args:
             url: The URL to open as a QURL.
         """
-        qtutils.qt_ensure_valid(url)
+        qtutils.ensure_valid(url)
         sel = self._context.target == Target.yank_primary
         mode = QClipboard.Selection if sel else QClipboard.Clipboard
         urlstr = url.toString(QUrl.FullyEncoded | QUrl.RemovePassword)
@@ -354,7 +354,7 @@ class HintManager(QObject):
         Args:
             url: The URL to open as a QUrl.
         """
-        qtutils.qt_ensure_valid(url)
+        qtutils.ensure_valid(url)
         urlstr = url.toDisplayString(QUrl.FullyEncoded)
         args = self._context.get_args(urlstr)
         message.set_cmd_text(' '.join(args))
@@ -370,19 +370,19 @@ class HintManager(QObject):
             message.error("No suitable link found for this element.",
                           immediately=True)
             return
-        qtutils.qt_ensure_valid(url)
+        qtutils.ensure_valid(url)
         self.download_get.emit(url, elem.webFrame().page())
 
     def _call_userscript(self, url):
         """Call an userscript from a hint."""
-        qtutils.qt_ensure_valid(url)
+        qtutils.ensure_valid(url)
         cmd = self._context.args[0]
         args = self._context.args[1:]
         userscripts.run(cmd, *args, url=url)
 
     def _spawn(self, url):
         """Spawn a simple command from a hint."""
-        qtutils.qt_ensure_valid(url)
+        qtutils.ensure_valid(url)
         urlstr = url.toString(QUrl.FullyEncoded | QUrl.RemovePassword)
         args = self._context.get_args(urlstr)
         subprocess.Popen(args)
@@ -406,7 +406,7 @@ class HintManager(QObject):
         url = QUrl(text)
         if url.isRelative():
             url = baseurl.resolved(url)
-        qtutils.qt_ensure_valid(url)
+        qtutils.ensure_valid(url)
         return url
 
     def _find_prevnext(self, frame, prev=False):

qutebrowser/browser/quickmarks.py

@@ -67,7 +67,7 @@ def prompt_save(url):
     Args:
         url: The quickmark url as a QUrl.
     """
-    qtutils.qt_ensure_valid(url)
+    qtutils.ensure_valid(url)
     urlstr = url.toString(QUrl.RemovePassword | QUrl.FullyEncoded)
     message.ask_async("Add quickmark:", usertypes.PromptMode.text,
                       functools.partial(quickmark_add, urlstr))

qutebrowser/models/basecompletion.py

@@ -74,7 +74,7 @@ class BaseCompletionModel(QStandardItemModel):
             index: A QModelIndex of the item to mark.
             needle: The string to mark.
         """
-        qtutils.qt_ensure_valid(index)
+        qtutils.ensure_valid(index)
         haystack = self.data(index)
         marks = self._get_marks(needle, haystack)
         ok = self.setData(index, marks, Role.marks)
@@ -132,7 +132,7 @@ class BaseCompletionModel(QStandardItemModel):
         Return:
             The item flags, or Qt.NoItemFlags on error.
         """
-        qtutils.qt_ensure_valid(index)
+        qtutils.ensure_valid(index)
         if index.parent().isValid():
             # item
             return Qt.ItemIsEnabled | Qt.ItemIsSelectable

qutebrowser/models/completion.py

@@ -87,7 +87,7 @@ class SettingOptionCompletionModel(basecompletion.BaseCompletionModel):
             return
         val = config.get(section, option, raw=True)
         idx = item.index()
-        qtutils.qt_ensure_valid(idx)
+        qtutils.ensure_valid(idx)
         ok = self.setData(idx, val, Qt.DisplayRole)
         if not ok:
             raise ValueError("Setting data failed! (section: {}, option: {}, "
@@ -138,7 +138,7 @@ class SettingValueCompletionModel(basecompletion.BaseCompletionModel):
         if not value:
             value = '""'
         idx = self.cur_item.index()
-        qtutils.qt_ensure_valid(idx)
+        qtutils.ensure_valid(idx)
         ok = self.setData(idx, value, Qt.DisplayRole)
         if not ok:
             raise ValueError("Setting data failed! (section: {}, option: {}, "

qutebrowser/models/completionfilter.py

@@ -81,7 +81,7 @@ class CompletionFilterModel(QSortFilterProxyModel):
         count = 0
         for i in range(self.rowCount()):
             cat = self.index(i, 0)
-            qtutils.qt_ensure_valid(cat)
+            qtutils.ensure_valid(cat)
             count += self.rowCount(cat)
         return count
 
@@ -89,10 +89,10 @@ class CompletionFilterModel(QSortFilterProxyModel):
         """Return the first item in the model."""
         for i in range(self.rowCount()):
             cat = self.index(i, 0)
-            qtutils.qt_ensure_valid(cat)
+            qtutils.ensure_valid(cat)
             if cat.model().hasChildren(cat):
                 index = self.index(0, 0, cat)
-                qtutils.qt_ensure_valid(index)
+                qtutils.ensure_valid(index)
                 return index
         return QModelIndex()
 
@@ -100,10 +100,10 @@ class CompletionFilterModel(QSortFilterProxyModel):
         """Return the last item in the model."""
         for i in range(self.rowCount() - 1, -1, -1):
             cat = self.index(i, 0)
-            qtutils.qt_ensure_valid(cat)
+            qtutils.ensure_valid(cat)
             if cat.model().hasChildren(cat):
                 index = self.index(self.rowCount(cat) - 1, 0, cat)
-                qtutils.qt_ensure_valid(index)
+                qtutils.ensure_valid(index)
                 return index
         return QModelIndex()
 
@@ -111,12 +111,12 @@ class CompletionFilterModel(QSortFilterProxyModel):
         """Mark the given text in all visible items."""
         for i in range(self.rowCount()):
             cat = self.index(i, 0)
-            qtutils.qt_ensure_valid(cat)
+            qtutils.ensure_valid(cat)
             for k in range(self.rowCount(cat)):
                 index = self.index(k, 0, cat)
-                qtutils.qt_ensure_valid(index)
+                qtutils.ensure_valid(index)
                 index = self.mapToSource(index)
-                qtutils.qt_ensure_valid(index)
+                qtutils.ensure_valid(index)
                 self.srcmodel.mark_item(index, text)
 
     def setSourceModel(self, model):
@@ -142,7 +142,7 @@ class CompletionFilterModel(QSortFilterProxyModel):
         if parent == QModelIndex():
             return True
         idx = self.srcmodel.index(row, 0, parent)
-        qtutils.qt_ensure_valid(idx)
+        qtutils.ensure_valid(idx)
         data = self.srcmodel.data(idx)
         # TODO more sophisticated filtering
         if not self.pattern:
@@ -162,8 +162,8 @@ class CompletionFilterModel(QSortFilterProxyModel):
         Return:
             True if left < right, else False
         """
-        qtutils.qt_ensure_valid(lindex)
+        qtutils.ensure_valid(lindex)
-        qtutils.qt_ensure_valid(rindex)
+        qtutils.ensure_valid(rindex)
 
         left_sort = self.srcmodel.data(lindex, role=completion.Role.sort)
         right_sort = self.srcmodel.data(rindex, role=completion.Role.sort)

qutebrowser/models/downloadmodel.py

@@ -57,7 +57,7 @@ class DownloadModel(QAbstractListModel):
     def on_data_changed(self, idx):
         """Update view when DownloadManager data changed."""
         model_idx = self.index(idx, 0)
-        qtutils.qt_ensure_valid(model_idx)
+        qtutils.ensure_valid(model_idx)
         self.dataChanged.emit(model_idx, model_idx)
 
     def last_index(self):
@@ -79,7 +79,7 @@ class DownloadModel(QAbstractListModel):
 
     def data(self, index, role):
         """Download data from DownloadManager."""
-        qtutils.qt_ensure_valid(index)
+        qtutils.ensure_valid(index)
         if index.parent().isValid() or index.column() != 0:
             return QVariant()
 

qutebrowser/qutebrowser.py

@@ -72,7 +72,7 @@ def get_argparser():
                        action='store_true')
     # For the Qt args, we use store_const with const=True rather than
     # store_true because we want the default to be None, to make
-    # utils.qt:get_qt_args easier.
+    # utils.qt:get_args easier.
     debug.add_argument('--qt-style', help="Set the Qt GUI style to use.",
                        metavar='STYLE')
     debug.add_argument('--qt-stylesheet', help="Override the Qt application "

qutebrowser/test/utils/test_qt.py

@@ -84,7 +84,7 @@ class CheckOverflowTests(unittest.TestCase):
 
 class GetQtArgsTests(unittest.TestCase):
 
-    """Tests for get_qt_args."""
+    """Tests for get_args."""
 
     def setUp(self):
         self.parser = argparse.ArgumentParser()
@@ -109,26 +109,26 @@ class GetQtArgsTests(unittest.TestCase):
     def test_no_qt_args(self):
         """Test commandline with no Qt arguments given."""
         ns = self._namespace(['--foo'], flags=['--foo'])
-        self.assertEqual(qt.get_qt_args(ns), [sys.argv[0]])
+        self.assertEqual(qt.get_args(ns), [sys.argv[0]])
 
     def test_qt_flag(self):
         """Test commandline with a Qt flag."""
         ns = self._namespace(['--foo', '--qt-reverse', '--bar'],
                              flags=['--foo', '--qt-reverse', '--bar'])
-        self.assertEqual(qt.get_qt_args(ns), [sys.argv[0], '-reverse'])
+        self.assertEqual(qt.get_args(ns), [sys.argv[0], '-reverse'])
 
     def test_qt_arg(self):
         """Test commandline with a Qt argument."""
         ns = self._namespace(['--qt-stylesheet', 'foobar'],
                              args=['--qt-stylesheet'])
-        self.assertEqual(qt.get_qt_args(ns), [sys.argv[0], '-stylesheet',
+        self.assertEqual(qt.get_args(ns), [sys.argv[0], '-stylesheet',
-                                              'foobar'])
+                                           'foobar'])
 
     def test_qt_both(self):
         """Test commandline with a Qt argument and flag."""
         ns = self._namespace(['--qt-stylesheet', 'foobar', '--qt-reverse'],
                              flags=['--qt-reverse'], args=['--qt-stylesheet'])
-        qt_args = qt.get_qt_args(ns)
+        qt_args = qt.get_args(ns)
         self.assertEqual(qt_args[0], sys.argv[0])
         self.assertIn('-reverse', qt_args)
         self.assertIn('-stylesheet', qt_args)

qutebrowser/utils/earlyinit.py

@@ -204,8 +204,8 @@ def check_qt_version():
     """Check if the Qt version is recent enough."""
     import operator
     from PyQt5.QtCore import qVersion
-    from qutebrowser.utils.qt import qt_version_check
+    from qutebrowser.utils import qt as qtutils
-    if qt_version_check('5.2.0', operator.lt):
+    if qtutils.version_check('5.2.0', operator.lt):
         text = ("Fatal error: Qt and PyQt >= 5.2.0 are required, but {} is "
                 "installed.".format(qVersion()))
         _die(text, exception=False)

qutebrowser/utils/misc.py

@@ -190,7 +190,7 @@ def actute_warning():
         return
     # Qt >= 5.3 doesn't seem to be affected
     try:
-        if qtutils.qt_version_check('5.3.0'):
+        if qtutils.version_check('5.3.0'):
             return
     except ValueError:
         pass
@@ -247,8 +247,8 @@ def interpolate_color(start, end, percent, colorspace=QColor.Rgb):
     Raise:
         ValueError if invalid parameters are passed.
     """
-    qtutils.qt_ensure_valid(start)
+    qtutils.ensure_valid(start)
-    qtutils.qt_ensure_valid(end)
+    qtutils.ensure_valid(end)
     out = QColor()
     if colorspace == QColor.Rgb:
         a_c1, a_c2, a_c3, _alpha = start.getRgb()
@@ -271,7 +271,7 @@ def interpolate_color(start, end, percent, colorspace=QColor.Rgb):
     else:
         raise ValueError("Invalid colorspace!")
     out = out.convertTo(start.spec())
-    qtutils.qt_ensure_valid(out)
+    qtutils.ensure_valid(out)
     return out
 
 

qutebrowser/utils/qt.py

@@ -46,7 +46,7 @@ MINVALS = {
 }
 
 
-def qt_version_check(version, op=operator.ge):
+def version_check(version, op=operator.ge):
     """Check if the Qt runtime version is the version supplied or newer.
 
     Args:
@@ -88,7 +88,7 @@ def check_overflow(arg, ctype, fatal=True):
         return arg
 
 
-def get_qt_args(namespace):
+def get_args(namespace):
     """Get the Qt QApplication arguments based on an argparse namespace.
 
     Args:
@@ -114,10 +114,10 @@ def get_qt_args(namespace):
 
 def check_print_compat():
     """Check if printing should work in the given Qt version."""
-    return not (os.name == 'nt' and qt_version_check('5.3.0', operator.lt))
+    return not (os.name == 'nt' and version_check('5.3.0', operator.lt))
 
 
-def qt_ensure_valid(obj):
+def ensure_valid(obj):
     """Ensure a Qt object with an .isValid() method is valid.
 
     Raise:
@@ -129,7 +129,7 @@ def qt_ensure_valid(obj):
 
 class QtValueError(ValueError):
 
-    """Exception which gets raised by qt_ensure_valid."""
+    """Exception which gets raised by ensure_valid."""
 
     def __init__(self, obj):
         try:

qutebrowser/utils/url.py

@@ -65,7 +65,7 @@ def _get_search_url(txt):
     if not term:
         raise FuzzyUrlError("No search term given")
     url = QUrl.fromUserInput(template.format(urllib.parse.quote(term)))
-    qtutils.qt_ensure_valid(url)
+    qtutils.ensure_valid(url)
     return url
 
 
@@ -143,7 +143,7 @@ def fuzzy_url(urlstr):
             url = QUrl.fromUserInput(stripped)
     logger.debug("Converting fuzzy term {} to URL -> {}".format(
                  urlstr, url.toDisplayString()))
-    qtutils.qt_ensure_valid(url)
+    qtutils.ensure_valid(url)
     return url
 
 

qutebrowser/widgets/completion.py

@@ -167,7 +167,7 @@ class CompletionView(QTreeView):
             # No completion running at the moment, ignore keypress
             return
         idx = self._next_idx(prev)
-        qtutils.qt_ensure_valid(idx)
+        qtutils.ensure_valid(idx)
         self.selectionModel().setCurrentIndex(
             idx, QItemSelectionModel.ClearAndSelect |
             QItemSelectionModel.Rows)

qutebrowser/widgets/completiondelegate.py

@@ -98,12 +98,12 @@ class CompletionItemDelegate(QStyledItemDelegate):
 
         text_rect_ = self._style.subElementRect(
             self._style.SE_ItemViewItemText, self._opt, self._opt.widget)
-        qtutils.qt_ensure_valid(text_rect_)
+        qtutils.ensure_valid(text_rect_)
         margin = self._style.pixelMetric(QStyle.PM_FocusFrameHMargin,
                                          self._opt, self._opt.widget) + 1
         # remove width padding
         text_rect = text_rect_.adjusted(margin, 0, -margin, 0)
-        qtutils.qt_ensure_valid(text_rect)
+        qtutils.ensure_valid(text_rect)
         # move text upwards a bit
         if index.parent().isValid():
             text_rect.adjust(0, -1, 0, -1)
@@ -217,7 +217,7 @@ class CompletionItemDelegate(QStyledItemDelegate):
         o.rect = self._style.subElementRect(
             self._style.SE_ItemViewItemFocusRect, self._opt, self._opt.widget)
         o.state |= QStyle.State_KeyboardFocusChange | QStyle.State_Item
-        qtutils.qt_ensure_valid(o.rect)
+        qtutils.ensure_valid(o.rect)
         if state & QStyle.State_Enabled:
             cg = QPalette.Normal
         else:
@@ -253,7 +253,7 @@ class CompletionItemDelegate(QStyledItemDelegate):
         docsize = self._doc.size().toSize()
         size = self._style.sizeFromContents(QStyle.CT_ItemViewItem, self._opt,
                                             docsize, self._opt.widget)
-        qtutils.qt_ensure_valid(size)
+        qtutils.ensure_valid(size)
         return size + QSize(10, 3)
 
     def paint(self, painter, option, index):

qutebrowser/widgets/downloads.py

@@ -91,5 +91,5 @@ class DownloadView(QListView):
             size = QSize(0, height + 2)
         else:
             size = QSize(0, 0)
-        qtutils.qt_ensure_valid(size)
+        qtutils.ensure_valid(size)
         return size

qutebrowser/widgets/statusbar/textbase.py

@@ -79,7 +79,7 @@ class TextBase(QLabel):
         """Extend QLabel::resizeEvent to update the elided text afterwards."""
         super().resizeEvent(e)
         size = e.size()
-        qtutils.qt_ensure_valid(size)
+        qtutils.ensure_valid(size)
         self._update_elided_text(size.width())
 
     def paintEvent(self, e):
@@ -90,6 +90,6 @@ class TextBase(QLabel):
             e.accept()
             painter = QPainter(self)
             geom = self.geometry()
-            qtutils.qt_ensure_valid(geom)
+            qtutils.ensure_valid(geom)
             painter.drawText(0, 0, geom.width(), geom.height(),
                              self.alignment(), self._elided_text)

qutebrowser/widgets/tabbedbrowser.py

@@ -210,7 +210,7 @@ class TabbedBrowser(tabwidget.TabWidget):
         """
         url = self.currentWidget().cur_url
         try:
-            qtutils.qt_ensure_valid(url)
+            qtutils.ensure_valid(url)
         except qtutils.QtValueError as e:
             msg = "Current URL is invalid"
             if e.reason:
@@ -266,7 +266,7 @@ class TabbedBrowser(tabwidget.TabWidget):
         if tab is self.last_focused:
             self.last_focused = None
         if not tab.cur_url.isEmpty():
-            qtutils.qt_ensure_valid(tab.cur_url)
+            qtutils.ensure_valid(tab.cur_url)
             self.url_stack.append(tab.cur_url)
         tab.shutdown()
         self._tabs.remove(tab)
@@ -281,7 +281,7 @@ class TabbedBrowser(tabwidget.TabWidget):
             url: The URL to open as QUrl.
             newtab: True to open URL in a new tab, False otherwise.
         """
-        qtutils.qt_ensure_valid(url)
+        qtutils.ensure_valid(url)
         if newtab:
             self.tabopen(url, background=False)
         else:
@@ -324,7 +324,7 @@ class TabbedBrowser(tabwidget.TabWidget):
             The opened WebView instance.
         """
         if url is not None:
-            qtutils.qt_ensure_valid(url)
+            qtutils.ensure_valid(url)
         log.webview.debug("Creating new tab with URL {}".format(url))
         tab = webview.WebView(self)
         self._connect_tab_signals(tab)

qutebrowser/widgets/tabwidget.py

@@ -211,7 +211,7 @@ class TabBar(QTabBar):
             # If we *do* have enough space, tabs should occupy the whole window
             # width.
             size = QSize(self.width() / self.count(), height)
-        qtutils.qt_ensure_valid(size)
+        qtutils.ensure_valid(size)
         return size
 
     def paintEvent(self, _e):
@@ -311,7 +311,7 @@ class TabBarStyle(QCommonStyle):
         elif element == QStyle.CE_TabBarTabLabel:
             text_rect, icon_rect = self._tab_layout(opt)
             if not opt.icon.isNull():
-                qtutils.qt_ensure_valid(icon_rect)
+                qtutils.ensure_valid(icon_rect)
                 icon_mode = (QIcon.Normal if opt.state & QStyle.State_Enabled
                              else QIcon.Disabled)
                 icon_state = (QIcon.On if opt.state & QStyle.State_Selected
@@ -382,7 +382,7 @@ class TabBarStyle(QCommonStyle):
         padding = self.pixelMetric(PM_TabBarPadding, opt)
         icon_rect = QRect()
         text_rect = QRect(opt.rect)
-        qtutils.qt_ensure_valid(text_rect)
+        qtutils.ensure_valid(text_rect)
         indicator_width = config.get('tabs', 'indicator-width')
         text_rect.adjust(padding, 0, 0, 0)
         if indicator_width != 0:
@@ -419,5 +419,5 @@ class TabBarStyle(QCommonStyle):
                           text_rect.center().y() - tab_icon_size.height() / 2,
                           tab_icon_size.width(), tab_icon_size.height())
         icon_rect = self._style.visualRect(opt.direction, opt.rect, icon_rect)
-        qtutils.qt_ensure_valid(icon_rect)
+        qtutils.ensure_valid(icon_rect)
         return icon_rect

qutebrowser/widgets/webview.py

@@ -301,7 +301,7 @@ class WebView(QWebView):
         Emit:
             titleChanged
         """
-        qtutils.qt_ensure_valid(url)
+        qtutils.ensure_valid(url)
         urlstr = url.toDisplayString()
         log.webview.debug("New title: {}".format(urlstr))
         self.titleChanged.emit(urlstr)
@@ -358,7 +358,7 @@ class WebView(QWebView):
     @pyqtSlot('QUrl')
     def on_url_changed(self, url):
         """Update cur_url when URL has changed."""
-        qtutils.qt_ensure_valid(url)
+        qtutils.ensure_valid(url)
         self.cur_url = url
 
     @pyqtSlot(str, str)