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-rw-r--r--examples/serialize_ast.py27
1 files changed, 15 insertions, 12 deletions
diff --git a/examples/serialize_ast.py b/examples/serialize_ast.py
index e0f8aa3..8669a0a 100644
--- a/examples/serialize_ast.py
+++ b/examples/serialize_ast.py
@@ -9,7 +9,9 @@
#-----------------------------------------------------------------
from __future__ import print_function
import pickle
+import sys
+sys.path.extend(['.', '..'])
from pycparser import c_parser
text = r"""
@@ -19,18 +21,19 @@ void func(void)
}
"""
-parser = c_parser.CParser()
-ast = parser.parse(text)
+if __name__ == '__main__':
+ parser = c_parser.CParser()
+ ast = parser.parse(text)
-# Since AST nodes use __slots__ for faster attribute access and
-# space saving, it needs Pickle's protocol version >= 2.
-# The default version is 3 for python 3.x and 1 for python 2.7.
-# You can always select the highest available protocol with the -1 argument.
+ # Since AST nodes use __slots__ for faster attribute access and
+ # space saving, it needs Pickle's protocol version >= 2.
+ # The default version is 3 for python 3.x and 1 for python 2.7.
+ # You can always select the highest available protocol with the -1 argument.
-with open('ast', 'wb') as f:
- pickle.dump(ast, f, protocol=-1)
+ with open('ast', 'wb') as f:
+ pickle.dump(ast, f, protocol=-1)
-# Deserialize.
-with open('ast', 'rb') as f:
- ast = pickle.load(f)
- ast.show()
+ # Deserialize.
+ with open('ast', 'rb') as f:
+ ast = pickle.load(f)
+ ast.show()