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-rwxr-xr-xPython/makeopcodetargets.py30
1 files changed, 11 insertions, 19 deletions
diff --git a/Python/makeopcodetargets.py b/Python/makeopcodetargets.py
index d9a0855..7a57a06 100755
--- a/Python/makeopcodetargets.py
+++ b/Python/makeopcodetargets.py
@@ -3,24 +3,14 @@
(for compilers supporting computed gotos or "labels-as-values", such as gcc).
"""
-# This code should stay compatible with Python 2.3, at least while
-# some of the buildbots have Python 2.3 as their system Python.
-
-import imp
+import opcode
import os
+import sys
-def find_module(modname):
- """Finds and returns a module in the local dist/checkout.
- """
- modpath = os.path.join(
- os.path.dirname(os.path.dirname(__file__)), "Lib")
- return imp.load_module(modname, *imp.find_module(modname, [modpath]))
-
def write_contents(f):
"""Write C code contents to the target file object.
"""
- opcode = find_module("opcode")
targets = ['_unknown_opcode'] * 256
for opname, op in opcode.opmap.items():
targets[op] = "TARGET_%s" % opname
@@ -29,15 +19,17 @@ def write_contents(f):
f.write("\n};\n")
-if __name__ == "__main__":
- import sys
- assert len(sys.argv) < 3, "Too many arguments"
+def main():
+ if len(sys.argv) >= 3:
+ sys.exit("Too many arguments")
if len(sys.argv) == 2:
target = sys.argv[1]
else:
target = "Python/opcode_targets.h"
- f = open(target, "w")
- try:
+ with open(target, "w") as f:
write_contents(f)
- finally:
- f.close()
+ print("Jump table written into %s" % target)
+
+
+if __name__ == "__main__":
+ main()