import file without .py into another module
kevinbercaw at gmail.com
kevinbercaw at gmail.com
Tue Jan 21 10:13:59 EST 2014
On Tuesday, January 21, 2014 10:06:16 AM UTC-5, MRAB wrote:
> On 2014-01-21 14:44, wrote:
>
> > I have a python script that accepts two arguments:
>
> > sys.argv[1] is the full directory path to a config script. The script is python but does not have a .py extension!
>
> > sys.argv[2] is the file name of the config script
>
> >
>
> > For example:
>
> > mainScript.py ./ a15800
>
> >
>
> >
>
> > The config script sets variables that I want to be able to use in the main script.
>
> >
>
> > *** contents of "a15800": ***
>
> > myVar = "hello"
>
> >
>
> > *** contents of "mainScript.py": ***
>
> > def printVars(configModuleName):
>
> > myVarName = ("%s.myVar" % configModuleName)
>
> > print "myVarName = %s" % myVarName
>
> > myVarValue = eval(myVarName)
>
> > print "myVarValue = %s" % myVarValue
>
> >
>
> >
>
> > if __name__ == '__main__':
>
> > import sys
>
> > import imp
>
> > filePath = sys.argv[1]
>
> > fileName = sys.argv[2]
>
> > configModuleObject = imp.load_source(fileName, filePath)
>
> > configModuleName = configModuleObject.__name__
>
> > print "configModuleName = %s" % configModuleName
>
> > printVars(configModuleName)
>
> >
>
> > *** Output: ***
>
> >>mainScript.py ./ a15800
>
> > configModuleName = a15800
>
> > myVarName = a15800.myVar
>
> > Traceback (most recent call last):
>
> > File "mainScript.py", line 27, in <module>
>
> > printVars(configModuleName)
>
> > File "mainScript.py", line 15, in printVars
>
> > myVarValue = eval(myVarName)
>
> > File "<string>", line 1, in <module>
>
> > NameError: name 'a15800' is not defined
>
> >
>
> > *** Question: ***
>
> > How do I get the value of the config file variable "myVar"?? It seems it's interpreting the variable name as a string rather than a variable name. I don't see any python function stringToVariable.
>
> >
>
> The line:
>
>
>
> configModuleObject = imp.load_source(fileName, filePath)
>
>
>
> imports the module and then binds it to the name configModuleObject,
>
> therefore:
>
>
>
> print configModuleObject.myVar
Yep, I tried that right off as that's how I thought it would work, but it doesn't work.
Traceback (most recent call last):
File "mainScript.py", line 31, in <module>
print configModuleObject.myVar
AttributeError: 'module' object has no attribute 'myVar'
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