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Add test that script name ends in .py.

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Cosmetic changes to usage message (refer to "make install" now).
This commit is contained in:
Guido van Rossum 1996-06-17 17:49:13 +00:00
parent f75f80eb48
commit d4cc04c672
1 changed files with 10 additions and 9 deletions
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19
Tools/freeze/freeze.py
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@ -16,7 +16,7 @@
# Usage message
usage_msg = """
usage: freeze [-p prefix] [-P exec_prefix] [-e extension] script [module] ...
usage: freeze [-p prefix] [-P exec_prefix] [-e extension] script.py [module]...
-p prefix: This is the prefix used when you ran
'Make inclinstall libainstall' in the Python build directory.
@ -31,7 +31,7 @@ usage: freeze [-p prefix] [-P exec_prefix] [-e extension] script [module] ...
should also have a Setup file describing the .o files.
More than one -e option may be given.
script: The Python script to be executed by the resulting binary.
script.py: The Python script to be executed by the resulting binary.
It *must* end with a .py suffix!
module ...: Additional Python modules (referenced by pathname)
@ -41,11 +41,7 @@ module ...: Additional Python modules (referenced by pathname)
NOTES:
In order to use freeze successfully, you must have built Python and
installed it. In particular, the following two non-standard make
targets must have been executed:
make inclinstall
make libainstall # Note: 'liba', not 'lib'
installed it ("make install").
The -p and -P options passed into the freeze script must correspond to
the --prefix and --exec-prefix options passed into Python's configure
@ -163,6 +159,10 @@ def main():
if not args:
usage('at least one filename argument required')
# check that the script name ends in ".py"
if args[0][-3:] != ".py":
usage('the script name must have a .py suffix')
# check that file arguments exist
for arg in args:
if not os.path.exists(arg):
@ -291,9 +291,10 @@ def main():
# Print usage message and exit
def usage(msg = None):
if msg:
sys.stderr.write(str(msg) + '\n')
sys.stderr.write(usage_msg)
# Put the error last since the usage message scrolls off the screen
if msg:
sys.stderr.write('\nError: ' + str(msg) + '\n')
sys.exit(2)