New submission from R.M.Bianchi <[email protected]>:
Embedding Python in C++ I saw that if I pass this string below to the
PySys_SetArgv, as one of the command-line arguments passed to an embedded
script:
"--net-label-name='("DC1","eth1")'"
PySys_Argv transforms it escaping the single quotes, and in the Python side I
get this value for sys.argv[i]:
'--net-label-name=\'("DC1","eth1")\''
It does not seem a problem of converting strings or char in the C++ sides, I
checked them.
The problem appears just after the PySys_Argv call.
=== cut ===
Qt-Debug: python script command-line args:
("/afs/cern.ch/work/r/rbianchi/private/tdaq_4_0_0/dbe/cmt/pm_farm.py",
"--safe-hw-tags", "--add='pcatd143'", "--net-label-name='("DC1","eth1")'",
"newdb.data.xml")
[...]
pyout: sys.argv:
pyout:
pyout: ['/afs/cern.ch/work/r/rbianchi/private/tdaq_4_0_0/dbe/cmt/pm_farm.py',
'--safe-hw-tags', "--add='pcatd143'", '--net-label-name=\'("DC1","eth1")\'',
'newdb.data.xml']
=== cut ===
Please notice that the same script works perfectly with the same argument list
in stand-alone mode (i.e. not embedded in C++).
Please also notice that in the embedded side the problem does not appear if I
substitute the string passed as command line parameter from the original one:
"--net-label-name='("DC1","eth1")'"
to this one below, where I omit a level of quotes and I skip the double quotes:
"--net-label-name=('DC1','eth1')"
In this last case the embedded script also works fine in the embedded world.
It seems to me an issue in PySys_SetArgv, while parsing the strings. But maybe
I'm missing something.
Best regards,
R.M.Bianchi
----------
components: Interpreter Core
messages: 162478
nosy: RMBianchi
priority: normal
severity: normal
status: open
title: PySys_SetArgv escapes quotes in argv[]
type: behavior
versions: Python 2.6
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Python tracker <[email protected]>
<http://bugs.python.org/issue15028>
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