From 238f7a3657541a636eb6a4d2ddfc685a82f29d65 Mon Sep 17 00:00:00 2001
From: dousha <lijiahao34@live.com>
Date: Mon, 6 Jan 2025 14:15:49 +0800
Subject: [PATCH] fix math formulas

---
 .gitignore |  1 +
 main.py    | 19 +++++++++++++++++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index b643e99..828ee55 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /venv/
 /output/
 *.xml
+.DS_Store
diff --git a/main.py b/main.py
index 8a6676e..9b6afae 100644
--- a/main.py
+++ b/main.py
@@ -54,6 +54,20 @@ def find_all_matches(pattern, string, group=0):
 		out.append(m[group])
 	return out
 
+def fix_math_content(content):
+	return content.replace(r'\_', '_').replace(r'\*', '*')
+
+
+def fix_math(content):
+	math_regex = re.compile(r'(\\[\[\(])(.+?)(\\[\)\]])')
+	pos = 0
+	out = ''
+	while m := math_regex.search(content, pos):
+		out = out + content[pos:m.start()]
+		out = out + m.group(1) + fix_math_content(m.group(2)) + m.group(3)
+		pos = m.end()
+	return out + content[pos:]
+
 
 mkdirp('output')
 
@@ -107,8 +121,7 @@ for item in items:
 			lines[i + 1] = nextline
 
 	content = '\n'.join(lines)
-	content = md(content, code_language_callback=code_parser,
-				 escape_misc=True).strip() + '\n'
+	content = md(content, code_language_callback=code_parser).strip() + '\n'
 	ref_regex = re.compile(r'\[ref](.+?)\[/ref]')
 	refs = []
 	stuff = find_all_matches(ref_regex, content, 1)
@@ -136,6 +149,8 @@ for item in items:
 
 		content = content + '\n' + '\n\n'.join(ref_output) + '\n'
 
+	content = fix_math(content)
+
 	frontmatter = f"---\nlayout: {post_type}\nid: {post_id}\ntitle: \"{title}\"\ncreator: \"{creator}\"\ndate: {date}\ncategories:\n{categories}\ntags:\n{tags}\ndraft: {'true' if status == 'draft' else 'false'}\npublished: {'true' if status == 'publish' else 'false'}\n---\n\n"
 
 	title_slug = slugify(title)