File _service:tar_scm:fix-fixxref-not-found-file.patch of Package gtk-doc

--- gtk-doc-1.33.2/gtkdoc/fixxref.py	2021-01-20 01:08:26.494552400 +0800
+++ gtk-doc-1.33.2_bak/gtkdoc/fixxref.py	2021-07-26 10:52:56.295493736 +0800
@@ -22,7 +22,7 @@
 ''"Fix cross-references in the HTML documentation.''"
 
 import logging
-import os
+import os,sys
 import re
 
 from . import common, highlight
@@ -51,6 +51,12 @@
     LoadIndicies(options.module_dir, options.html_dir, options.extra_dir)
     ReadSections(options.module)
     FixCrossReferences(options.module_dir, options.module, options.src_lang)
+    
+    
+    if not  os.path.exists(os.path.join(options.module_dir, 'style.css')):
+      print (os.path.join(options.module_dir, 'style.css' + "  file is not found"))
+      sys.exit()
+
     highlight.append_style_defs(os.path.join(options.module_dir, 'style.css'))
 
 
@@ -187,6 +193,12 @@
 
 def ReadSections(module):
     """We don't warn on missing links to non-public sysmbols."""
+    
+    
+    if not os.path.exists(module + '-sections.txt'):
+        print (module + '-sections.txt' + "  file is not found")
+        sys.exit()
+
     for line in open(module + '-sections.txt', 'r', encoding='utf-8'):
         m1 = re.search(r'^<SUBSECTION\s*(.*)>', line)
         if line.startswith('#') or line.strip() == '':
@@ -211,6 +223,12 @@
 
 def FixCrossReferences(module_dir, module, src_lang):
     # TODO(ensonic): use glob.glob()?
+
+
+    if not os.path.isdir(module_dir):
+       print (module_dir + " directory is not found")
+       sys.exit()
+
     for entry in sorted(os.listdir(module_dir)):
         full_entry = os.path.join(module_dir, entry)
         if os.path.isdir(full_entry):