--- a/src/eric7/UI/Previewers/PreviewerHTML.py Wed Jul 13 11:16:20 2022 +0200
+++ b/src/eric7/UI/Previewers/PreviewerHTML.py Wed Jul 13 14:55:47 2022 +0200
@@ -19,7 +19,12 @@
from PyQt6.QtCore import pyqtSlot, pyqtSignal, Qt, QUrl, QThread
from PyQt6.QtGui import QCursor
from PyQt6.QtWidgets import (
- QWidget, QVBoxLayout, QLabel, QCheckBox, QSizePolicy, QToolTip
+ QWidget,
+ QVBoxLayout,
+ QLabel,
+ QCheckBox,
+ QSizePolicy,
+ QToolTip,
)
from EricWidgets.EricApplication import ericApp
@@ -32,194 +37,199 @@
"""
Class implementing a previewer widget for HTML, Markdown and ReST files.
"""
+
def __init__(self, parent=None):
"""
Constructor
-
+
@param parent reference to the parent widget (QWidget)
"""
super().__init__(parent)
-
+
self.__layout = QVBoxLayout(self)
-
+
self.titleLabel = QLabel(self)
self.titleLabel.setWordWrap(True)
self.titleLabel.setTextInteractionFlags(
- Qt.TextInteractionFlag.NoTextInteraction)
+ Qt.TextInteractionFlag.NoTextInteraction
+ )
self.__layout.addWidget(self.titleLabel)
-
+
self.__previewAvailable = True
-
+
try:
from PyQt6.QtWebEngineWidgets import QWebEngineView
+
self.previewView = QWebEngineView(self)
self.previewView.page().linkHovered.connect(self.__showLink)
except ImportError:
self.__previewAvailable = False
- self.titleLabel.setText(self.tr(
- "<b>HTML Preview is not available!<br/>"
- "Install PyQt6-WebEngine.</b>"))
+ self.titleLabel.setText(
+ self.tr(
+ "<b>HTML Preview is not available!<br/>"
+ "Install PyQt6-WebEngine.</b>"
+ )
+ )
self.titleLabel.setAlignment(Qt.AlignmentFlag.AlignHCenter)
self.__layout.addStretch()
return
-
- sizePolicy = QSizePolicy(QSizePolicy.Policy.Preferred,
- QSizePolicy.Policy.Expanding)
+
+ sizePolicy = QSizePolicy(
+ QSizePolicy.Policy.Preferred, QSizePolicy.Policy.Expanding
+ )
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
- sizePolicy.setHeightForWidth(
- self.previewView.sizePolicy().hasHeightForWidth())
+ sizePolicy.setHeightForWidth(self.previewView.sizePolicy().hasHeightForWidth())
self.previewView.setSizePolicy(sizePolicy)
- self.previewView.setContextMenuPolicy(
- Qt.ContextMenuPolicy.NoContextMenu)
+ self.previewView.setContextMenuPolicy(Qt.ContextMenuPolicy.NoContextMenu)
self.previewView.setUrl(QUrl("about:blank"))
self.__layout.addWidget(self.previewView)
-
+
self.jsCheckBox = QCheckBox(self.tr("Enable JavaScript"), self)
- self.jsCheckBox.setToolTip(self.tr(
- "Select to enable JavaScript for HTML previews"))
+ self.jsCheckBox.setToolTip(
+ self.tr("Select to enable JavaScript for HTML previews")
+ )
self.__layout.addWidget(self.jsCheckBox)
-
- self.ssiCheckBox = QCheckBox(self.tr("Enable Server Side Includes"),
- self)
- self.ssiCheckBox.setToolTip(self.tr(
- "Select to enable support for Server Side Includes"))
+
+ self.ssiCheckBox = QCheckBox(self.tr("Enable Server Side Includes"), self)
+ self.ssiCheckBox.setToolTip(
+ self.tr("Select to enable support for Server Side Includes")
+ )
self.__layout.addWidget(self.ssiCheckBox)
-
+
self.jsCheckBox.clicked[bool].connect(self.on_jsCheckBox_clicked)
self.ssiCheckBox.clicked[bool].connect(self.on_ssiCheckBox_clicked)
self.previewView.titleChanged.connect(self.on_previewView_titleChanged)
-
- self.jsCheckBox.setChecked(
- Preferences.getUI("ShowFilePreviewJS"))
- self.ssiCheckBox.setChecked(
- Preferences.getUI("ShowFilePreviewSSI"))
-
+
+ self.jsCheckBox.setChecked(Preferences.getUI("ShowFilePreviewJS"))
+ self.ssiCheckBox.setChecked(Preferences.getUI("ShowFilePreviewSSI"))
+
self.__scrollBarPositions = {}
self.__vScrollBarAtEnd = {}
self.__hScrollBarAtEnd = {}
-
+
self.__processingThread = PreviewProcessingThread()
self.__processingThread.htmlReady.connect(self.__setHtml)
self.__previewedPath = None
self.__previewedEditor = None
-
+
def shutdown(self):
"""
Public method to perform shutdown actions.
"""
if self.__previewAvailable:
self.__processingThread.wait()
-
+
@pyqtSlot(bool)
def on_jsCheckBox_clicked(self, checked):
"""
Private slot to enable/disable JavaScript.
-
+
@param checked state of the checkbox (boolean)
"""
Preferences.setUI("ShowFilePreviewJS", checked)
self.__setJavaScriptEnabled(checked)
-
+
def __setJavaScriptEnabled(self, enable):
"""
Private method to enable/disable JavaScript.
-
+
@param enable flag indicating the enable state (boolean)
"""
self.jsCheckBox.setChecked(enable)
-
+
settings = self.previewView.settings()
settings.setAttribute(settings.JavascriptEnabled, enable)
-
+
self.processEditor()
-
+
@pyqtSlot(bool)
def on_ssiCheckBox_clicked(self, checked):
"""
Private slot to enable/disable SSI.
-
+
@param checked state of the checkbox (boolean)
"""
Preferences.setUI("ShowFilePreviewSSI", checked)
self.processEditor()
-
+
@pyqtSlot(str)
def __showLink(self, urlStr):
"""
Private slot to show the hovered link in a tooltip.
-
+
@param urlStr hovered URL
@type str
"""
QToolTip.showText(QCursor.pos(), urlStr, self.previewView)
-
+
def processEditor(self, editor=None):
"""
Public slot to process an editor's text.
-
+
@param editor editor to be processed (Editor)
"""
if not self.__previewAvailable:
return
-
+
if editor is None:
editor = self.__previewedEditor
else:
self.__previewedEditor = editor
-
+
if editor is not None:
fn = editor.getFileName()
-
+
if fn:
extension = os.path.normcase(os.path.splitext(fn)[1][1:])
else:
extension = ""
if (
- extension in Preferences.getEditor(
- "PreviewHtmlFileNameExtensions") or
- editor.getLanguage() == "HTML"
+ extension in Preferences.getEditor("PreviewHtmlFileNameExtensions")
+ or editor.getLanguage() == "HTML"
):
language = "HTML"
elif (
- extension in Preferences.getEditor(
- "PreviewMarkdownFileNameExtensions") or
- editor.getLanguage().lower() == "markdown"
+ extension in Preferences.getEditor("PreviewMarkdownFileNameExtensions")
+ or editor.getLanguage().lower() == "markdown"
):
language = "Markdown"
elif (
- extension in Preferences.getEditor(
- "PreviewRestFileNameExtensions") or
- editor.getLanguage().lower() == "restructuredtext"
+ extension in Preferences.getEditor("PreviewRestFileNameExtensions")
+ or editor.getLanguage().lower() == "restructuredtext"
):
language = "ReST"
else:
- self.__setHtml(fn, self.tr(
- "<p>No preview available for this type of file.</p>"))
+ self.__setHtml(
+ fn, self.tr("<p>No preview available for this type of file.</p>")
+ )
return
-
+
if fn:
rootPath = os.path.dirname(os.path.abspath(fn))
else:
rootPath = ""
-
+
if bool(editor.text()):
self.__processingThread.process(
- fn, language, editor.text(),
- self.ssiCheckBox.isChecked(), rootPath,
+ fn,
+ language,
+ editor.text(),
+ self.ssiCheckBox.isChecked(),
+ rootPath,
Preferences.getEditor("PreviewRestUseSphinx"),
Preferences.getEditor("PreviewMarkdownNLtoBR"),
- Preferences.getEditor(
- "PreviewMarkdownUsePyMdownExtensions"),
+ Preferences.getEditor("PreviewMarkdownUsePyMdownExtensions"),
Preferences.getEditor("PreviewMarkdownHTMLFormat"),
- Preferences.getEditor("PreviewRestDocutilsHTMLFormat"))
+ Preferences.getEditor("PreviewRestDocutilsHTMLFormat"),
+ )
def __setHtml(self, filePath, html, rootPath):
"""
Private method to set the HTML to the view and restore the scroll bars
positions.
-
+
@param filePath file path of the previewed editor
@type str
@param html processed HTML text ready to be shown
@@ -228,38 +238,39 @@
@type str
"""
self.__previewedPath = Utilities.normcasepath(
- Utilities.fromNativeSeparators(filePath))
+ Utilities.fromNativeSeparators(filePath)
+ )
self.__saveScrollBarPositions()
- self.previewView.page().loadFinished.connect(
- self.__restoreScrollBarPositions)
+ self.previewView.page().loadFinished.connect(self.__restoreScrollBarPositions)
if not filePath:
filePath = "/"
baseUrl = (
QUrl.fromLocalFile(rootPath + "/index.html")
- if rootPath else
- QUrl.fromLocalFile(filePath)
+ if rootPath
+ else QUrl.fromLocalFile(filePath)
)
self.previewView.setHtml(html, baseUrl=baseUrl)
if self.__previewedEditor:
self.__previewedEditor.setFocus()
-
+
@pyqtSlot(str)
def on_previewView_titleChanged(self, title):
"""
Private slot to handle a change of the title.
-
+
@param title new title (string)
"""
if title:
self.titleLabel.setText(self.tr("Preview - {0}").format(title))
else:
self.titleLabel.setText(self.tr("Preview"))
-
+
def __saveScrollBarPositions(self):
"""
Private method to save scroll bar positions for a previewed editor.
"""
from PyQt6.QtCore import QPoint
+
try:
pos = self.previewView.scrollPosition()
except AttributeError:
@@ -285,32 +296,33 @@
"""
if self.__previewedPath not in self.__scrollBarPositions:
return
-
+
pos = self.__scrollBarPositions[self.__previewedPath]
self.previewView.page().runJavaScript(
- "window.scrollTo({0}, {1});".format(pos.x(), pos.y()))
-
+ "window.scrollTo({0}, {1});".format(pos.x(), pos.y())
+ )
+
def __execJavaScript(self, script):
"""
Private function to execute a JavaScript function Synchroneously.
-
+
@param script JavaScript script source to be executed
@type str
@return result of the script
@rtype depending upon script result
"""
from PyQt6.QtCore import QEventLoop
+
loop = QEventLoop()
resultDict = {"res": None}
-
+
def resultCallback(res, resDict=resultDict):
if loop and loop.isRunning():
resDict["res"] = res
loop.quit()
-
- self.previewView.page().runJavaScript(
- script, resultCallback)
-
+
+ self.previewView.page().runJavaScript(script, resultCallback)
+
loop.exec()
return resultDict["res"]
@@ -319,29 +331,40 @@
"""
Class implementing a thread to process some text into HTML usable by the
previewer view.
-
+
@signal htmlReady(str, str, str) emitted with the file name, the processed
HTML and the web site root path to signal the availability of the
processed HTML
"""
+
htmlReady = pyqtSignal(str, str, str)
-
+
def __init__(self, parent=None):
"""
Constructor
-
+
@param parent reference to the parent object (QObject)
"""
super().__init__()
-
+
self.__lock = threading.Lock()
-
- def process(self, filePath, language, text, ssiEnabled, rootPath,
- useSphinx, convertNewLineToBreak, usePyMdownExtensions,
- markdownHtmlFormat, restDocutilsHtmlFormat):
+
+ def process(
+ self,
+ filePath,
+ language,
+ text,
+ ssiEnabled,
+ rootPath,
+ useSphinx,
+ convertNewLineToBreak,
+ usePyMdownExtensions,
+ markdownHtmlFormat,
+ restDocutilsHtmlFormat,
+ ):
"""
Public method to convert the given text to HTML.
-
+
@param filePath file path of the text
@type str
@param language language of the text
@@ -380,7 +403,7 @@
self.__restDocutilsHtmlFormat = restDocutilsHtmlFormat
if not self.isRunning():
self.start(QThread.Priority.LowPriority)
-
+
def run(self):
"""
Public thread method to convert the stored data.
@@ -398,27 +421,45 @@
usePyMdownExtensions = self.__usePyMdownExtensions
markdownHtmlFormat = self.__markdownHtmlFormat
restDocutilsHtmlFormat = self.__restDocutilsHtmlFormat
-
+
self.__haveData = False
- html = self.__getHtml(language, text, ssiEnabled, filePath,
- rootPath, useSphinx, convertNewLineToBreak,
- usePyMdownExtensions, markdownHtmlFormat,
- restDocutilsHtmlFormat)
-
+ html = self.__getHtml(
+ language,
+ text,
+ ssiEnabled,
+ filePath,
+ rootPath,
+ useSphinx,
+ convertNewLineToBreak,
+ usePyMdownExtensions,
+ markdownHtmlFormat,
+ restDocutilsHtmlFormat,
+ )
+
with self.__lock:
if not self.__haveData:
self.htmlReady.emit(filePath, html, rootPath)
break
# else - next iteration
-
- def __getHtml(self, language, text, ssiEnabled, filePath, rootPath,
- useSphinx, convertNewLineToBreak, usePyMdownExtensions,
- markdownHtmlFormat, restDocutilsHtmlFormat):
+
+ def __getHtml(
+ self,
+ language,
+ text,
+ ssiEnabled,
+ filePath,
+ rootPath,
+ useSphinx,
+ convertNewLineToBreak,
+ usePyMdownExtensions,
+ markdownHtmlFormat,
+ restDocutilsHtmlFormat,
+ ):
"""
Private method to process the given text depending upon the given
language.
-
+
@param language language of the text
@type str
@param text to be processed
@@ -453,20 +494,19 @@
return self.__processRootPath(html, rootPath)
elif language == "Markdown":
return self.__convertMarkdown(
- text, convertNewLineToBreak, usePyMdownExtensions,
- markdownHtmlFormat)
+ text, convertNewLineToBreak, usePyMdownExtensions, markdownHtmlFormat
+ )
elif language == "ReST":
return self.__convertReST(text, useSphinx, restDocutilsHtmlFormat)
else:
- return self.tr(
- "<p>No preview available for this type of file.</p>")
-
+ return self.tr("<p>No preview available for this type of file.</p>")
+
def __processSSI(self, txt, filename, root):
"""
Private method to process the given text for SSI statements.
-
+
Note: Only a limited subset of SSI statements are supported.
-
+
@param txt text to be processed (string)
@param filename name of the file associated with the given text
(string)
@@ -475,18 +515,19 @@
"""
if not filename:
return txt
-
+
# SSI include
incRe = re.compile(
r"""<!--#include[ \t]+(virtual|file)=[\"']([^\"']+)[\"']\s*-->""",
- re.IGNORECASE)
+ re.IGNORECASE,
+ )
baseDir = os.path.dirname(os.path.abspath(filename))
docRoot = root if root != "" else baseDir
while True:
incMatch = incRe.search(txt)
if incMatch is None:
break
-
+
if incMatch.group(1) == "virtual":
incFile = Utilities.normjoinpath(docRoot, incMatch.group(2))
elif incMatch.group(1) == "file":
@@ -503,14 +544,14 @@
else:
# remove SSI include
incTxt = ""
- txt = txt[:incMatch.start(0)] + incTxt + txt[incMatch.end(0):]
-
+ txt = txt[: incMatch.start(0)] + incTxt + txt[incMatch.end(0) :]
+
return txt
-
+
def __processRootPath(self, txt, root):
"""
Private method to adjust absolute references to the given root path.
-
+
@param txt text to be processed
@type str
@param root directory of the document root
@@ -520,31 +561,36 @@
"""
if not root:
return txt
-
+
root = Utilities.fromNativeSeparators(root)
if not root.endswith("/"):
root += "/"
rootLen = len(root)
-
- refRe = re.compile(
- r"""(href|src)=[\\"']/([^\\"']+)[\\"']""",
- re.IGNORECASE)
+
+ refRe = re.compile(r"""(href|src)=[\\"']/([^\\"']+)[\\"']""", re.IGNORECASE)
pos = 0
while True:
refMatch = refRe.search(txt, pos)
if refMatch is None:
break
-
- txt = (txt[:refMatch.start(0)] + refMatch.group(1) + '="' + root +
- refMatch.group(2) + '"' + txt[refMatch.end(0):])
+
+ txt = (
+ txt[: refMatch.start(0)]
+ + refMatch.group(1)
+ + '="'
+ + root
+ + refMatch.group(2)
+ + '"'
+ + txt[refMatch.end(0) :]
+ )
pos = refMatch.end(0) + rootLen
-
+
return txt
-
+
def __convertReST(self, text, useSphinx, restDocutilsHtmlFormat):
"""
Private method to convert ReST text into HTML.
-
+
@param text text to be processed (string)
@param useSphinx flag indicating to use Sphinx to generate the
ReST preview (boolean)
@@ -556,16 +602,16 @@
return self.__convertReSTSphinx(text)
else:
return self.__convertReSTDocutils(text, restDocutilsHtmlFormat)
-
+
def __convertReSTSphinx(self, text):
"""
Private method to convert ReST text into HTML using 'sphinx'.
-
+
@param text text to be processed (string)
@return processed HTML (string)
"""
try:
- from sphinx.application import Sphinx # __IGNORE_EXCEPTION__
+ from sphinx.application import Sphinx # __IGNORE_EXCEPTION__
except ImportError:
return self.tr(
"""<p>ReStructuredText preview requires the"""
@@ -574,86 +620,99 @@
""" <a href="http://pypi.python.org/pypi/Sphinx">"""
"""this page.</a></p>"""
"""<p>Alternatively you may disable Sphinx usage"""
- """ on the Editor, Filehandling configuration page.</p>""")
-
+ """ on the Editor, Filehandling configuration page.</p>"""
+ )
+
srcTempDir = tempfile.mkdtemp(prefix="eric-rest-src-")
outTempDir = tempfile.mkdtemp(prefix="eric-rest-out-")
doctreeTempDir = tempfile.mkdtemp(prefix="eric-rest-doctree-")
try:
- filename = 'sphinx_preview'
+ filename = "sphinx_preview"
basePath = os.path.join(srcTempDir, filename)
- with open(basePath + '.rst', 'w', encoding='utf-8') as fh:
+ with open(basePath + ".rst", "w", encoding="utf-8") as fh:
fh.write(text)
-
- overrides = {'html_add_permalinks': False,
- 'html_copy_source': False,
- 'html_title': 'Sphinx preview',
- 'html_use_index': False,
- 'html_use_modindex': False,
- 'html_use_smartypants': True,
- 'master_doc': filename}
- app = Sphinx(srcdir=srcTempDir, confdir=None, outdir=outTempDir,
- doctreedir=doctreeTempDir, buildername='html',
- confoverrides=overrides, status=None,
- warning=io.StringIO())
+
+ overrides = {
+ "html_add_permalinks": False,
+ "html_copy_source": False,
+ "html_title": "Sphinx preview",
+ "html_use_index": False,
+ "html_use_modindex": False,
+ "html_use_smartypants": True,
+ "master_doc": filename,
+ }
+ app = Sphinx(
+ srcdir=srcTempDir,
+ confdir=None,
+ outdir=outTempDir,
+ doctreedir=doctreeTempDir,
+ buildername="html",
+ confoverrides=overrides,
+ status=None,
+ warning=io.StringIO(),
+ )
app.build(force_all=True, filenames=None)
basePath = os.path.join(outTempDir, filename)
- with open(basePath + '.html', 'r', encoding='utf-8') as fh:
+ with open(basePath + ".html", "r", encoding="utf-8") as fh:
html = fh.read()
finally:
shutil.rmtree(srcTempDir)
shutil.rmtree(outTempDir)
shutil.rmtree(doctreeTempDir)
-
+
return html
-
+
def __convertReSTDocutils(self, text, htmlFormat):
"""
Private method to convert ReST text into HTML using 'docutils'.
-
+
@param text text to be processed (string)
@param htmlFormat HTML format to be generated (string)
@return processed HTML (string)
"""
- if 'sphinx' in sys.modules:
+ if "sphinx" in sys.modules:
# Make sure any Sphinx polution of docutils has been removed.
- unloadKeys = [k for k in sys.modules.keys()
- if k.startswith(('docutils', 'sphinx'))]
+ unloadKeys = [
+ k for k in sys.modules.keys() if k.startswith(("docutils", "sphinx"))
+ ]
for key in unloadKeys:
sys.modules.pop(key)
-
+
try:
- import docutils.core # __IGNORE_EXCEPTION__
- import docutils.utils # __IGNORE_EXCEPTION__
+ import docutils.core # __IGNORE_EXCEPTION__
+ import docutils.utils # __IGNORE_EXCEPTION__
except ImportError:
return self.tr(
"""<p>ReStructuredText preview requires the"""
""" <b>python-docutils</b> package.<br/>Install it with"""
""" your package manager, 'pip install docutils' or see"""
""" <a href="http://pypi.python.org/pypi/docutils">"""
- """this page.</a></p>""")
-
+ """this page.</a></p>"""
+ )
+
# redirect sys.stderr because we are not interested in it here
origStderr = sys.stderr
sys.stderr = io.StringIO()
try:
html = docutils.core.publish_string(
- text, writer_name=htmlFormat.lower()).decode("utf-8")
+ text, writer_name=htmlFormat.lower()
+ ).decode("utf-8")
except docutils.utils.SystemMessage as err:
errStr = str(err).split(":")[-1].replace("\n", "<br/>")
- return self.tr(
- """<p>Docutils returned an error:</p><p>{0}</p>"""
- ).format(errStr)
-
+ return self.tr("""<p>Docutils returned an error:</p><p>{0}</p>""").format(
+ errStr
+ )
+
sys.stderr = origStderr
return html
-
- def __convertMarkdown(self, text, convertNewLineToBreak,
- usePyMdownExtensions, htmlFormat):
+
+ def __convertMarkdown(
+ self, text, convertNewLineToBreak, usePyMdownExtensions, htmlFormat
+ ):
"""
Private method to convert Markdown text into HTML.
-
+
@param text text to be processed
@type str
@param convertNewLineToBreak flag indicating to convert new lines
@@ -668,53 +727,59 @@
@rtype str
"""
try:
- import markdown # __IGNORE_EXCEPTION__
+ import markdown # __IGNORE_EXCEPTION__
except ImportError:
return self.tr(
"""<p>Markdown preview requires the <b>Markdown</b> """
"""package.<br/>Install it with your package manager,"""
""" 'pip install Markdown' or see """
"""<a href="http://pythonhosted.org/Markdown/install.html">"""
- """installation instructions.</a></p>""")
-
+ """installation instructions.</a></p>"""
+ )
+
from . import PreviewerHTMLStyles
from . import MarkdownExtensions
-
+
extensions = []
-
+
mermaidNeeded = False
- if (
- Preferences.getEditor("PreviewMarkdownMermaid") and
- MarkdownExtensions.MermaidRegexFullText.search(text)
- ):
+ if Preferences.getEditor(
+ "PreviewMarkdownMermaid"
+ ) and MarkdownExtensions.MermaidRegexFullText.search(text):
extensions.append(MarkdownExtensions.MermaidExtension())
mermaidNeeded = True
-
+
if convertNewLineToBreak:
- extensions.append('nl2br')
-
+ extensions.append("nl2br")
+
pyMdown = False
if usePyMdownExtensions:
with contextlib.suppress(ImportError):
- import pymdownx # __IGNORE_EXCEPTION__ __IGNORE_WARNING__
+ import pymdownx # __IGNORE_EXCEPTION__ __IGNORE_WARNING__
+
# PyPI package is 'pymdown-extensions'
-
- extensions.extend([
- 'toc',
- 'pymdownx.extra', 'pymdownx.caret', 'pymdownx.emoji',
- 'pymdownx.mark', 'pymdownx.tilde', 'pymdownx.keys',
- 'pymdownx.tasklist', 'pymdownx.smartsymbols',
- ])
+
+ extensions.extend(
+ [
+ "toc",
+ "pymdownx.extra",
+ "pymdownx.caret",
+ "pymdownx.emoji",
+ "pymdownx.mark",
+ "pymdownx.tilde",
+ "pymdownx.keys",
+ "pymdownx.tasklist",
+ "pymdownx.smartsymbols",
+ ]
+ )
pyMdown = True
-
+
if not pyMdown:
- extensions.extend(['extra', 'toc'])
-
+ extensions.extend(["extra", "toc"])
+
# version 2.0 supports only extension names, not instances
- if (
- markdown.version_info[0] > 2 or
- (markdown.version_info[0] == 2 and
- markdown.version_info[1] > 0)
+ if markdown.version_info[0] > 2 or (
+ markdown.version_info[0] == 2 and markdown.version_info[1] > 0
):
extensions.append(MarkdownExtensions.SimplePatternExtension())
@@ -727,15 +792,14 @@
)
# prepare text for mathjax
text = (
- text
- .replace(r"\(", r"\\(")
+ text.replace(r"\(", r"\\(")
.replace(r"\)", r"\\)")
.replace(r"\[", r"\\[")
.replace(r"\]", r"\\]")
)
else:
mathjax = ""
-
+
if mermaidNeeded:
mermaid = (
"<script type='text/javascript' id='Mermaid-script'"
@@ -759,47 +823,49 @@
else:
mermaid = ""
mermaid_initialize = ""
-
+
htmlFormat = Preferences.getEditor("PreviewMarkdownHTMLFormat").lower()
- body = markdown.markdown(text, extensions=extensions,
- output_format=htmlFormat.lower())
+ body = markdown.markdown(
+ text, extensions=extensions, output_format=htmlFormat.lower()
+ )
style = (
- (PreviewerHTMLStyles.css_markdown_dark +
- PreviewerHTMLStyles.css_pygments_dark)
- if ericApp().usesDarkPalette() else
- (PreviewerHTMLStyles.css_markdown_light +
- PreviewerHTMLStyles.css_pygments_light)
+ (
+ PreviewerHTMLStyles.css_markdown_dark
+ + PreviewerHTMLStyles.css_pygments_dark
+ )
+ if ericApp().usesDarkPalette()
+ else (
+ PreviewerHTMLStyles.css_markdown_light
+ + PreviewerHTMLStyles.css_pygments_light
+ )
)
-
+
if htmlFormat == "xhtml1":
head = (
- '''<!DOCTYPE html PUBLIC "-//W3C//DTD'''
- ''' XHTML 1.0 Transitional//EN"\n'''
- ''' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional'''
- '''.dtd">\n'''
- '''<html xmlns="http://www.w3.org/1999/xhtml">\n'''
+ """<!DOCTYPE html PUBLIC "-//W3C//DTD"""
+ """ XHTML 1.0 Transitional//EN"\n"""
+ """ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional"""
+ """.dtd">\n"""
+ """<html xmlns="http://www.w3.org/1999/xhtml">\n"""
)
elif htmlFormat == "html5":
- head = (
- '''<!DOCTYPE html>\n'''
- '''<html lang="EN">\n'''
- )
+ head = """<!DOCTYPE html>\n""" """<html lang="EN">\n"""
else:
head = '<html lang="EN">\n'
- head += '''<head>\n'''
+ head += """<head>\n"""
head += (
- '''<meta name="Generator" content="eric" />\n'''
- '''<meta http-equiv="Content-Type" '''
- '''content="text/html; charset=utf-8" />\n'''
- '''{0}'''
- '''{1}'''
- '''<style type="text/css">'''
- '''{2}'''
- '''</style>\n'''
- '''</head>\n'''
- '''<body>\n'''
+ """<meta name="Generator" content="eric" />\n"""
+ """<meta http-equiv="Content-Type" """
+ """content="text/html; charset=utf-8" />\n"""
+ """{0}"""
+ """{1}"""
+ """<style type="text/css">"""
+ """{2}"""
+ """</style>\n"""
+ """</head>\n"""
+ """<body>\n"""
).format(mathjax, mermaid, style)
-
- foot = '''\n</body>\n</html>\n'''
-
+
+ foot = """\n</body>\n</html>\n"""
+
return head + body + mermaid_initialize + foot
