From mboxrd@z Thu Jan  1 00:00:00 1970
From: Petro <x.piter@gmail.com>
Subject: Python execution question
Date: Sun, 06 May 2012 13:09:54 +0200
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Hi list.
I try to process my data in python.  I store outputs from different
scripts in separate txt files and load data using numpy.loadtxt. I want
to change it store outputs in results tables. 


So I have this example table

#+TBLNAME: test-table
| 1e212 | 2e1  | 23e3  |

and use it as variable for python source code block below

#+BEGIN_SRC python :var rates=test-table 
  import numpy as np
  for i in range(len(rates)):
      rates[i]=map(float,rates[i])
  rates2=np.array(rates)
  return np.log10(rates2)
#+END_SRC

#+RESULTS:
| 212 | 1.30103 | 4.36172784 |

works OK so far. 
And here comes a problem. I want to be able to debug my code in python
session. I use session header argument  for it and access session via
org-babel-switch-to-session. 

#+BEGIN_SRC python :var rates=test-table :session
  import numpy as np
  for i in range(len(rates)):
      rates[i]=map(float,rates[i])
  rates2=np.array(rates)
  
#+END_SRC

#+RESULTS:


Then it does not work. And inside of session i have the following
output:
__________________________________________

>>> rates=[["1e212", "2e1", "23e3"]]
>>> import numpy as np
for i in range(len(rates)):
    rates[i]=map(float,rates[i])
rates2=np.array(rates)


open('/tmp/babel-54890hk/python-54897vP', 'w').write(str(_))


'org_babel_python_eoe'
>>> ... ...   File "<stdin>", line 3
    rates2=np.array(rates)
         ^
SyntaxError: invalid syntax
>>> >>> >>> Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name '_' is not defined
>>> >>> >>> 'org_babel_python_eoe'
>>> 
_________________________________________________________
Thank for help in advance.
Petro.