code style

ctr/process_markdown.py

+import sys
+
+path = sys.argv[1]
+
+lines = []
+
+with open(path) as f:
+    code_block_start = False
+    code_block_end = False
+    in_block = False
+    code_block_start_flag = False
+    block_end = False
+
+    for line in f:
+        line = line.rstrip()
+        real_block_start = line[:4] == ' ' * 4
+        block_start = real_block_start or not line
+
+        if real_block_start and not code_block_start_flag:
+            code_block_start_flag = True
+            lines.append('```python')
+
+        if code_block_start_flag and block_start:
+            line = line[4:]
+
+        if code_block_start_flag and not block_start:
+            lines.append('```')
+            code_block_start_flag = False
+            lines.append('')
+
+        lines.append(line)
+
+print '\n'.join(lines)