Mercurial Repositories > eric / file diff

diff -r fb0ef164f536 -r 698ae46f40a4 eric6/UI/Previewers/PreviewerHTML.py
--- a/eric6/UI/Previewers/PreviewerHTML.py	Fri Apr 02 11:59:41 2021 +0200
+++ b/eric6/UI/Previewers/PreviewerHTML.py	Sat May 01 14:27:20 2021 +0200
@@ -14,6 +14,7 @@
 import tempfile
 import sys
 import io
+import contextlib
 
 from PyQt5.QtCore import pyqtSlot, pyqtSignal, Qt, QUrl, QThread
 from PyQt5.QtGui import QCursor
@@ -37,7 +38,7 @@
         
         @param parent reference to the parent widget (QWidget)
         """
-        super(PreviewerHTML, self).__init__(parent)
+        super().__init__(parent)
         
         self.__layout = QVBoxLayout(self)
         
@@ -237,10 +238,11 @@
             self.__restoreScrollBarPositions)
         if not filePath:
             filePath = "/"
-        if rootPath:
-            baseUrl = QUrl.fromLocalFile(rootPath + "/index.html")
-        else:
-            baseUrl = QUrl.fromLocalFile(filePath)
+        baseUrl = (
+            QUrl.fromLocalFile(rootPath + "/index.html")
+            if rootPath else
+            QUrl.fromLocalFile(filePath)
+        )
         self.previewView.setHtml(html, baseUrl=baseUrl)
         if self.__previewedEditor:
             self.__previewedEditor.setFocus()
@@ -276,10 +278,7 @@
                 "return res;"
                 "})()"
             )
-            if pos is not None:
-                pos = QPoint(pos["x"], pos["y"])
-            else:
-                pos = QPoint(0, 0)
+            pos = QPoint(0, 0) if pos is None else QPoint(pos["x"], pos["y"])
         self.__scrollBarPositions[self.__previewedPath] = pos
         self.__hScrollBarAtEnd[self.__previewedPath] = False
         self.__vScrollBarAtEnd[self.__previewedPath] = False
@@ -337,7 +336,7 @@
         
         @param parent reference to the parent object (QObject)
         """
-        super(PreviewProcessingThread, self).__init__()
+        super().__init__()
         
         self.__lock = threading.Lock()
     
@@ -688,17 +687,19 @@
         extensions = []
         
         mermaidNeeded = False
-        if Preferences.getEditor("PreviewMarkdownMermaid"):
-            if MarkdownExtensions.MermaidRegexFullText.search(text):
-                extensions.append(MarkdownExtensions.MermaidExtension())
-                mermaidNeeded = True
+        if (
+            Preferences.getEditor("PreviewMarkdownMermaid") and
+            MarkdownExtensions.MermaidRegexFullText.search(text)
+        ):
+            extensions.append(MarkdownExtensions.MermaidExtension())
+            mermaidNeeded = True
         
         if convertNewLineToBreak:
             extensions.append('nl2br')
         
         pyMdown = False
         if usePyMdownExtensions:
-            try:
+            with contextlib.suppress(ImportError):
                 import pymdownx     # __IGNORE_EXCEPTION__ __IGNORE_WARNING__
                 # PyPI package is 'pymdown-extensions'
                 
@@ -709,8 +710,6 @@
                     'pymdownx.tasklist', 'pymdownx.smartsymbols',
                 ])
                 pyMdown = True
-            except ImportError:
-                pass
         
         if not pyMdown:
             extensions.extend(['extra', 'toc'])
@@ -768,16 +767,13 @@
         htmlFormat = Preferences.getEditor("PreviewMarkdownHTMLFormat").lower()
         body = markdown.markdown(text, extensions=extensions,
                                  output_format=htmlFormat.lower())
-        if e5App().usesDarkPalette():
-            style = (
-                PreviewerHTMLStyles.css_markdown_dark +
-                PreviewerHTMLStyles.css_pygments_dark
-            )
-        else:
-            style = (
-                PreviewerHTMLStyles.css_markdown_light +
-                PreviewerHTMLStyles.css_pygments_light
-            )
+        style = (
+            (PreviewerHTMLStyles.css_markdown_dark +
+             PreviewerHTMLStyles.css_pygments_dark)
+            if e5App().usesDarkPalette() else
+            (PreviewerHTMLStyles.css_markdown_light +
+             PreviewerHTMLStyles.css_pygments_light)
+        )
         
         if htmlFormat == "xhtml1":
             head = (