Fixed Issue #97. Validation of files when original .py file isn't present.

3 files changed, 13 insertions, 2 deletions

diff --git a/CHANGES b/CHANGES
index 5c2f48c..ce468c9 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,11 @@
 Version 3.9
 ---------------------
 08/30/16: beazley
+          Fixed Issue #97. Failure with code validation when the original
+          source files aren't present.   Validation step now ignores
+          the missing file.
+
+08/30/16: beazley
           Minor fixes to version numbers.
 
 Version 3.8
diff --git a/ply/lex.py b/ply/lex.py
index c45b8a0..842f05d 100644
--- a/ply/lex.py
+++ b/ply/lex.py
@@ -830,7 +830,10 @@ class LexerReflect(object):
     # -----------------------------------------------------------------------------
 
     def validate_module(self, module):
-        lines, linen = inspect.getsourcelines(module)
+        try:
+            lines, linen = inspect.getsourcelines(module)
+        except IOError:
+            return
 
         fre = re.compile(r'\s*def\s+(t_[a-zA-Z_0-9]*)\(')
         sre = re.compile(r'\s*(t_[a-zA-Z_0-9]*)\s*=')
diff --git a/ply/yacc.py b/ply/yacc.py
index 36d679a..4de39ad 100644
--- a/ply/yacc.py
+++ b/ply/yacc.py
@@ -2979,7 +2979,10 @@ class ParserReflect(object):
         fre = re.compile(r'\s*def\s+(p_[a-zA-Z_0-9]*)\(')
 
         for module in self.modules:
-            lines, linen = inspect.getsourcelines(module)
+            try:
+                lines, linen = inspect.getsourcelines(module)
+            except IOError:
+                continue
 
             counthash = {}
             for linen, line in enumerate(lines):