Fix Python build check script.

codes/python/build.py

@@ -1,20 +1,28 @@
 import glob
-import py_compile as pyc
+import subprocess
 
 if __name__ == "__main__":
     # find source code files
-    src_paths = sorted(glob.glob("codes/python/**/*.py"))
-    num_src = len(src_paths)
-    num_src_error = 0
+    src_paths = sorted(glob.glob("codes/python/chapter_*/*.py"))
+    errors = []
+    error_count = 0
 
-    # compile python code
+    # run python code
     for src_path in src_paths:
-        try:
-            pyc.compile(src_path, doraise=True)
-        except pyc.PyCompileError as e:
-            num_src_error += 1
-            print(e)
+        process = subprocess.Popen(
+            ["python", src_path],
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            text=True,
+        )
+        # Wait for the process to complete, and get the output and error messages
+        stdout, stderr = process.communicate()
+        # Check the exit status
+        exit_status = process.returncode
+        if exit_status != 0:
+            errors.append(stderr)
+            error_count += 1
 
-    print(f"===== Build Complete =====")
-    print(f"Total: {num_src}")
-    print(f"Error: {num_src_error}")
+    print(f"===== Found exception in {error_count} files =====")
+    for error in errors:
+        print(error + "\n")