skip if math parser not success

setup.py

@@ -7,7 +7,7 @@ this_directory = Path(__file__).parent
 long_description = (this_directory / "README.md").read_text()
 
 setup(name="skill-tree-parser",
-      version="0.0.1",
+      version="0.0.2",
       description="CSDN Skill Tree Parser",
       long_description=long_description,
       long_description_content_type='text/markdown',

src/skill_tree/excercises/market_math.py

@@ -18,7 +18,8 @@ def escape(state):
     elif c == "}":
         return '}'
     else:
-        raise ParsecError(state, f"unknown escape char \\{c}")
+        # 兼容非公式嵌入，对于无法识别的文本返回原文
+        return f'\\{c}'
 
 
 @Parsec

src/skill_tree/tree.py

@@ -6,6 +6,10 @@ import sys
 import uuid
 import re
 
+from parsec import BasicState, ParsecError
+
+from skill_tree.excercises.markdown import parse
+
 id_set = set()
 logger = logging.getLogger(__name__)
 logger.setLevel(logging.INFO)
@@ -363,6 +367,15 @@ class TreeWalker:
                 export.append(mfile)
                 flag = True
                 config["export"] = export
+            with open(md_file, encoding="utf-8") as efile:
+                data = efile.read()
+                state = BasicState(data)
+                try:
+                    doc = parse(state)
+                except ParsecError as err:
+                    index = state.index
+                    context = state.data[index-15:index+15]
+                    logger.error(f"习题 [{md_file}] 解析失败，在位置 {index} [{context}] 附近有格式: [{err}]")
 
         if flag:
             dump_json(os.path.join(section_path, "config.json"),