re.compile() doesn't work under Windows?

[jay graves]

My script uses re.compile() function, and while it rans without errors
under Linux, when I ran that script under Windows I get the following
error:

Traceback (most recent call last):
File "C:\a\projects\re.py", line 4, in ?
import re
File "C:\a\projects\re.py", line 95, in ?
main()
File "C:\a\projects\re.py", line 37, in main
s_exp = re.compile(op['-s'])
AttributeError: 'module' object has no attribute 'compile'

What is the problem here? re module is installed and is on the path -
for example, the following code works and doesn't cause any errors:

The traceback has the answer. It seems your file is named 're.py' so
it is trying to import itself rather the the 're' python module.

I don't know why it ran OK on Linux. Maybe your script is named
differently on Linux or the sys.path order is different between Windows
and Linux.

HTH.
....
jay

 

[Carsten Haese]

Hello everybody.

My script uses re.compile() function, and while it rans without errors
under Linux, when I ran that script under Windows I get the following
error:

Traceback (most recent call last):
File "C:\a\projects\re.py", line 4, in ?
import re
File "C:\a\projects\re.py", line 95, in ?
main()
File "C:\a\projects\re.py", line 37, in main
s_exp = re.compile(op['-s'])
AttributeError: 'module' object has no attribute 'compile'

What is the problem here? re module is installed and is on the path -
for example, the following code works and doesn't cause any errors:

import re
re.compile('a')

What else could cause such an error?

Your script is called re, so "import re" is making the script import
itself instead of the re module from the library.

-Carsten

 

[Gabriel Genellina]

My script uses re.compile() function, and while it rans without errors
under Linux, when I ran that script under Windows I get the following
error:

Traceback (most recent call last):
File "C:\a\projects\re.py", line 4, in ?
import re
File "C:\a\projects\re.py", line 95, in ?
main()
File "C:\a\projects\re.py", line 37, in main
s_exp = re.compile(op['-s'])
AttributeError: 'module' object has no attribute 'compile'

What is the problem here? re module is installed and is on the path -
for example, the following code works and doesn't cause any errors:

import re
re.compile('a')

What else could cause such an error?

Your *own* module is called re.py, right?
Try another name...



Gabriel Genellina
Softlab SRL





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[John Machin]

Hello everybody.

My script uses re.compile() function, and while it rans without errors
under Linux, when I ran that script under Windows I get the following
error:

Traceback (most recent call last):
File "C:\a\projects\re.py", line 4, in ?
import re
File "C:\a\projects\re.py", line 95, in ?
main()
File "C:\a\projects\re.py", line 37, in main
s_exp = re.compile(op['-s'])
AttributeError: 'module' object has no attribute 'compile'

What is the problem here? re module is installed and is on the path -
for example, the following code works and doesn't cause any errors:

import re
re.compile('a')

What else could cause such an error?

Change the name of your script file from re.py to
not_the_name_of_a_module.py -- you are importing your script, not the
re module. This is shown in the traceback: import re executes the
main() function in your script.

Worked on Linux? Maybe the script wasn't called re.py on Linux.
Alternatively:

(1) In Windows at least, the current directory is placed first on the
Python module search path. I would have expected the same to happen on
*x.

(2) Did you run it using an IDE on Linux? An IDE may fiddle with
sys.path.

Bottom line: however you ran it on Linux: insert
import sys
print "sys.path is", sys.path
at the top of your script and see what it produces. Note: '' (empty
string) means current directory.

Also it's a good idea to make scripts guard against inappropriate code
being executed when the script is imported (whether deliberately or
accidentally). The standard idiom is something like this:

if __name__ == "__main__": # being run as script, not imported
def main():
do_something()

HTH,
John

 

[ddtl]

Hello everybody.

My script uses re.compile() function, and while it rans without errors
under Linux, when I ran that script under Windows I get the following
error:

Traceback (most recent call last):
File "C:\a\projects\re.py", line 4, in ?
import re
File "C:\a\projects\re.py", line 95, in ?
main()
File "C:\a\projects\re.py", line 37, in main
s_exp = re.compile(op['-s'])
AttributeError: 'module' object has no attribute 'compile'

What is the problem here? re module is installed and is on the path -
for example, the following code works and doesn't cause any errors:

import re
re.compile('a')

What else could cause such an error?


ddtl.

 

[ddtl]

Thanks everybody for pointing out the problem.
And indeed, the script was named differently on Linux.

ddtl.

 

[Sibylle Koczian]

Thanks everybody for pointing out the problem.
And indeed, the script was named differently on Linux.

ddtl.

And because I just spent a day searching all the wrong corners: you
remembered to delete or rename the "re.pyc" that the first import
probably left in the same directory you had "re.py" in?