add remove orphan prog

remove-orphan-swddrw/README.md

+# usage
+
+run this program in a directory. This directory contains some SLDPRT, SLDASM, and SLDDRW files. 
+
+for every SLDDRW file, if there is no corresponding SLDPRT/SLDASM file (with the same filename), the SLDDRW file would be deleted.
+

remove-orphan-swddrw/main.py

+#!/usr/bin/env python3
+# A script to deal with product sheet. (see test-*.csv)
+import traceback
+def show_exception_and_exit(exc_type, exc_value, tb):
+    traceback.print_exception(exc_type, exc_value, tb)
+    input("按回车键退出")
+    sys.exit(-1)
+
+import sys
+import os
+if os.name == 'nt':
+    sys.excepthook = show_exception_and_exit
+
+
+#########################################################################
+
+import os, shutil
+
+def main():
+    print("DEBUG: workdir=", os.getcwd())
+    is_drw = lambda fname: fname.lower().endswith('.slddrw')
+    is_prt_asm = lambda fname: (fname.lower().endswith('.sldprt') or fname.lower().endswith('.sldasm'))
+    files = [f for f in os.listdir('.') if os.path.isfile(f)]
+    filesl = [f.lower() for f in os.listdir('.') if os.path.isfile(f)]
+    for f in files:
+        if is_drw(f):
+            print("CHECKING ", f)
+
+            ext_len = len('.slddrw')
+            expecting1 = f[:-ext_len] + '.sldprt'
+            expecting2 = f[:-ext_len] + '.sldasm'
+            if expecting1.lower() in filesl or expecting2.lower() in filesl:
+                # good
+                pass
+            else:
+                # delete this file
+                print("DELETE ", f)
+                os.remove(f)
+
+
+main()
+input("按回车键退出")
+
+
+
+