parsing markdown files

web/plugins/micron/micron.py

@@ -1,16 +1,68 @@
-from pelican import signals, generators
-from itertools import chain
+from pelican import signals
 from jinja2 import Environment, FileSystemLoader
 import os
 from pprint import pprint
+import mistune
+import re
+
+class Markdown2Micron(mistune.HTMLRenderer):
+    def text(self, text) -> str:
+        return text
+    def emphasis(self, text: str) -> str:
+        return '`*' + text + '`*'
+    def strong(self, text: str) -> str:
+        return '`!' + text + '`!'
+    def codespan(self, text: str) -> str:
+        return '`=' + text + '`='
+    def heading(self, text, level, **attrs) -> str:
+        if level > 3:
+            level = 3
+        return '>' * level + text + '\n'
+    def link(self, text: str, url: str, title=None) -> str:
+        s = self.safe_url(url)
+        if text:
+            s = text + '`' + s
+        return f'`[{s}]'
+    def image(self, text: str, url: str, title=None) -> str:
+        s = self.safe_url(url)
+        if title:
+            s = title + '`' + s
+        return f'`[{s}]'
+    def blank_line(self) -> str:
+        return '' + '\n'
+    def linebreak(self) -> str:
+        return '\n'
+    def softbreak(self) -> str:
+        return '\n'
+    def inline_html(self, html: str) -> str:
+        return '`=\n' + html + '`=\n'
+    def thematic_break(self):
+        return '-' + '\n'
+    def paragraph(self, text):
+        return text + '\n'
+    def block_quote(self, text: str) -> str:
+        return '>>>>' + text
+    def list(self, text: str, ordered: bool, **attrs) -> str:
+        return text + '\n'
+    def list_item(self, text: str) -> str:
+        return '+ ' + text + '\n'
+    def block_code(self, code: str, info=None) -> str:
+        return '`=\n' + code + '`=\n'
 
 def generate_micron(generator):
+    # print(markdown_content)
     template_path = os.path.join(generator.settings.get('THEME'), 'templates')
     out_path = generator.settings.get('MICRON_PATH', 'micron/')
     environment = Environment(loader=FileSystemLoader(template_path))
     if not os.path.exists(out_path):
         os.mkdir(out_path)
     for obj in generator.articles:
+        with open(str(obj), 'r') as mdf:
+            raw = mdf.read()
+        print(raw.split('\n'))
+        nometa = [re.sub(r'(\w+):\s*(?:"([^"]*)"|(.+))$', '', line) for line in raw.split('\n')]
+        raw = '\n'.join([item for item in nometa if item])
+        # to do: put raw content into context
         filename = obj.slug + ".mu"
         template = environment.get_template( obj.template + '.mu')
         context = dict()
@@ -19,7 +71,7 @@ def generate_micron(generator):
         content = template.render(context)
         output_micron = os.path.join(out_path, filename)
         with open(output_micron, 'w') as mf:
-            mf.write(content)
+            mf.write(raw)
 
 def register():
     signals.article_generator_finalized.connect(generate_micron)