Last active
May 7, 2026 10:32
-
-
Save gferreira/c8b8a143ff5e72f04b2e693ab6b4188a to your computer and use it in GitHub Desktop.
setting markdown text with CSS styles using DrawBot FormattedString
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import AppKit | |
| import markdown | |
| from string import Template | |
| htmlTemplate = Template("""\ | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <style> | |
| $cssCode | |
| </style> | |
| </head> | |
| <body> | |
| $htmlCode | |
| </body> | |
| </html> | |
| """) | |
| class MarkdownFormattedString(FormattedString): | |
| def appendHTML(self, html): | |
| htmlString = AppKit.NSString.stringWithString_(html) | |
| txt, _, _ = AppKit.NSAttributedString.alloc().initWithData_options_documentAttributes_error_( | |
| htmlString.dataUsingEncoding_(AppKit.NSUTF8StringEncoding), | |
| {AppKit.NSDocumentTypeDocumentAttribute: AppKit.NSHTMLTextDocumentType, AppKit.NSCharacterEncodingDocumentAttribute: AppKit.NSUTF8StringEncoding}, | |
| None, None) | |
| self._attributedString.appendAttributedString_(txt) | |
| def appendMarkdown(self, markdownSrc, style=""): | |
| markdownHTML = markdown.markdown(markdownSrc, extensions=['smarty', 'attr_list']) | |
| html = htmlTemplate.substitute(cssCode=style, htmlCode=markdownHTML) | |
| self.appendHTML(html) | |
| markdownSrc = """\ | |
| # title | |
| some info **bold** more info. | |
| *the quick [brown](#) fox jumps.* | |
| ## subtitle | |
| foo bar `monospaced` bar foo? | |
| ### sub-subtitle | |
| "smarty pants" | |
| this is a custom class | |
| {: .custom } | |
| """ | |
| css = """\ | |
| body { font-family: 'Verdana'; font-size: 13pt; } | |
| h1 { color: magenta; } | |
| h2 { color: cyan; } | |
| h3 { color: purple; font-family: serif; } | |
| strong { color: green; } | |
| em { color: orange; } | |
| a { color: brown; text-decoration: none; } | |
| .custom { font-family: 'Georgia'; color: lavender; } | |
| """ | |
| margin = 40 | |
| size('A4') | |
| T = MarkdownFormattedString() | |
| T.appendMarkdown(markdownSrc, style=css) | |
| textBox(T, (margin, margin, width()-margin*2, height()-margin*2)) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment