command line args make cdp parser forget about param file

[doutriaux1]

sript

from __future__ import print_function
import cdp

parser = cdp.cdp_parser.CDPParser()

parser.add_argument("-a","--Aarg",default=7,help="A value")
parser.add_argument("-b","--Barg",default=8,help="A value")
parser.add_argument("-c","--Carg",default=9,help="A value")
parser.add_argument("-d","--Darg",default=6,help="A value")


P = parser.get_parameters()[0]

print("A:",P.Aarg)
print("B:",P.Barg)
print("C:",P.Carg)
print("D:",P.Darg)

param file (myparam.py):

Aarg=10
Barg=11
Carg=12
Darg=13

running with params.py:

doutriaux1@crunchy:[~]:[20528]> python test_cdp_param.py  -p myparam.py 
A: 10
B: 11
C: 12
D: 13

running with params and args:

doutriaux1@crunchy:[~]:[20528]> python test_cdp_param.py  -p myparam.py  --Aarg=78
A: 78
B: 8
C: 9
D: 6

B, C, D have been ignored

[zshaheen]

@doutriaux1 That's because we have default values. When you run with one of the arguments (--Aarg), the default values defined in the add_argument function are used, for all of the command line parameters.

So if we don't want to use the command line argument defaults, please try the following with the latest code on master (it has a fix, for when you use an equal sign, ex: --Aarg=78):

P = parser.get_parameters(cmd_default_vars=False)[0]

I get the following:

(acme_diags_env_dev) shaheen2@acme1:~/charles_peter_bug$ python driver.py -p myparam.py
A: 10
B: 11
C: 12
D: 13

(acme_diags_env_dev) shaheen2@acme1:~/charles_peter_bug$ python driver.py -p myparam.py --Aarg=78
A: 78
B: 11
C: 12
D: 13

[doutriaux1]

@zshaheen what happen if you yank say "B" from params.py?

[doutriaux1]

@zshaheen with this if you do not provide ALL the arguments it fails:

Aarg=10
Barg=11
Darg=13

(cdat8) doutriaux1@loki:[~]:[32745]> python test_cdp_xtra_args.py -p myparams.py  --Aarg=67
A: 10
B: 11
Traceback (most recent call last):
  File "test_cdp_xtra_args.py", line 16, in <module>
    print("C:",P.Carg)
AttributeError: 'CDPParameter' object has no attribute 'Carg'

[zshaheen]

Fixed in 1d4dfbc