Mercurial Repositories > eric / file comparison
comparison: eric6/UI/Previewers/PreviewerHTML.py
eric6/UI/Previewers/PreviewerHTML.py
- changeset 7304
- b072a364dd8d
- parent 7301
- 6df711503ec0
- child 7309
- 5a434813eef3
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| 7303:b30e4fd161b8 | 7304:b072a364dd8d |
|---|---|
| 675 """<p>Markdown preview requires the <b>Markdown</b> """ | 675 """<p>Markdown preview requires the <b>Markdown</b> """ |
| 676 """package.<br/>Install it with your package manager,""" | 676 """package.<br/>Install it with your package manager,""" |
| 677 """ 'pip install Markdown' or see """ | 677 """ 'pip install Markdown' or see """ |
| 678 """<a href="http://pythonhosted.org/Markdown/install.html">""" | 678 """<a href="http://pythonhosted.org/Markdown/install.html">""" |
| 679 """installation instructions.</a></p>""") | 679 """installation instructions.</a></p>""") |
| 680 | |
| 681 try: | |
| 682 import mdx_mathjax # __IGNORE_EXCEPTION__ __IGNORE_WARNING__ | |
| 683 except ImportError: | |
| 684 # mathjax doesn't require import statement if installed | |
| 685 # as extension | |
| 686 pass | |
| 687 | 680 |
| 688 extensions = [] | 681 extensions = [] |
| 689 if usePyMdownExtensions: | 682 if usePyMdownExtensions: |
| 690 try: | 683 try: |
| 691 import pymdownx # __IGNORE_EXCEPTION__ __IGNORE_WARNING__ | 684 import pymdownx # __IGNORE_EXCEPTION__ __IGNORE_WARNING__ |
| 779 | 772 |
| 780 extensions.extend([ | 773 extensions.extend([ |
| 781 _TildeExtension(), _CaretExtension(), _MarkExtension() | 774 _TildeExtension(), _CaretExtension(), _MarkExtension() |
| 782 ]) | 775 ]) |
| 783 | 776 |
| 784 try: | 777 if Preferences.getEditor("PreviewMarkdownMathJax"): |
| 785 return markdown.markdown( | 778 mathjax = ( |
| 786 text, extensions=extensions + ['mdx_mathjax'], | 779 "<script type='text/javascript' id='MathJax-script' async" |
| 787 output_format=htmlFormat.lower()) | 780 " src='https://cdn.jsdelivr.net/npm/mathjax@3/es5/" |
| 788 except (ImportError, ValueError): | 781 "tex-chtml.js'>\n" |
| 789 # markdown raises ValueError or ImportError, depends on version | 782 "</script>\n" |
| 790 # It is not clear, how to distinguish missing mathjax from other | 783 ) |
| 791 # errors. So keep going without mathjax. | 784 else: |
| 792 return markdown.markdown( | 785 mathjax = "" |
| 793 text, extensions=extensions, | 786 |
| 794 output_format=htmlFormat.lower()) | 787 htmlFormat = Preferences.getEditor("PreviewMarkdownHTMLFormat").lower() |
| 788 body = markdown.markdown(text, extensions=extensions, | |
| 789 output_format=htmlFormat.lower()) | |
| 790 | |
| 791 if htmlFormat == "xhtml1": | |
| 792 head = ( | |
| 793 '''<!DOCTYPE html PUBLIC "-//W3C//DTD''' | |
| 794 ''' XHTML 1.0 Transitional//EN"\n''' | |
| 795 ''' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional''' | |
| 796 '''.dtd">\n''' | |
| 797 '''<html xmlns="http://www.w3.org/1999/xhtml">\n''' | |
| 798 ) | |
| 799 elif htmlFormat == "html5": | |
| 800 head = ( | |
| 801 '''<!DOCTYPE html>\n''' | |
| 802 '''<html lang="EN">\n''' | |
| 803 ) | |
| 804 else: | |
| 805 head = '<html lang="EN">\n' | |
| 806 head += '''<head>\n''' | |
| 807 head += ( | |
| 808 '''<meta name="Generator" content="eric6" />\n''' | |
| 809 '''<meta http-equiv="Content-Type" ''' | |
| 810 '''content="text/html; charset=utf-8" />\n''' | |
| 811 '''{0}''' | |
| 812 '''</head>\n''' | |
| 813 '''<body>\n''' | |
| 814 ).format(mathjax) | |
| 815 | |
| 816 foot = '''\n</body>\n</html>\n''' | |
| 817 | |
| 818 return head + body + foot |
