[Tutor] python scripting using "./"
I am trying to do script in python using "./"
Here is a session showing "bad interpreter: No such file or directory"
Is this a python question/problem?
Last login: Sat May 21 14:22:49 on ttys000
John-Wilkinsons-iMac:~ wilkinson$ cd
/Users/wilkinson/Documents/py32/p31summerfield
John-Wilkinsons-iMac:p31summerfield wilkinson$ pwd
/Users/wilkinson/Documents/py32/p31summerfield
John-Wilkinsons-iMac:p31summerfield wilkinson$ ls hello.py
hello.py
John-Wilkinsons-iMac:p31summerfield wilkinson$ python hello.py
Hello World!
John-Wilkinsons-iMac:p31summerfield wilkinson$ chmod +X hello.py
John-Wilkinsons-iMac:p31summerfield wilkinson$ ./hello.py
-bash: ./hello.py: /usr/local/bin/python3.1^M: bad interpreter: No such file or
directory
John-Wilkinsons-iMac:p31summerfield wilkinson$ echo $PATH
/opt/local/bin:/opt/local/sbin:/opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin
John-Wilkinsons-iMac:p31summerfield wilkinson$ cat hello.py
#!/usr/local/bin/python3.1
print("Hello", "World!")
John-Wilkinsons-iMac:p31summerfield wilkinson$ python
Python 3.1.2 (r312:79147, Mar 20 2011, 17:15:01)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path
['',
'/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python31.zip',
'/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1',
'/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/plat-darwin',
'/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/lib-dynload',
'/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/site-packages']
Thank you.
Hank
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Re: [Tutor] python scripting using "./"
Here is what you asked me:
John-Wilkinsons-iMac:p31summerfield wilkinson$ ls -al /usr/local/bin/pytho*
lrwxr-xr-x 1 root wheel 69 Mar 21 13:45 /usr/local/bin/python3 ->
../../../Library/Frameworks/Python.framework/Versions/3.1/bin/python3
lrwxr-xr-x 1 root wheel 76 Mar 21 13:45 /usr/local/bin/python3-config ->
../../../Library/Frameworks/Python.framework/Versions/3.1/bin/python3-config
lrwxr-xr-x 1 root wheel 71 Mar 21 13:45 /usr/local/bin/python3.1 ->
../../../Library/Frameworks/Python.framework/Versions/3.1/bin/python3.1
lrwxr-xr-x 1 root wheel 78 Mar 21 13:45 /usr/local/bin/python3.1-config ->
../../../Library/Frameworks/Python.framework/Versions/3.1/bin/python3.1-config
lrwxr-xr-x 1 root wheel 70 Mar 21 13:45 /usr/local/bin/pythonw3 ->
../../../Library/Frameworks/Python.framework/Versions/3.1/bin/pythonw3
lrwxr-xr-x 1 root wheel 72 Mar 21 13:45 /usr/local/bin/pythonw3.1 ->
../../../Library/Frameworks/Python.framework/Versions/3.1/bin/pythonw3.1
John-Wilkinsons-iMac:p31summerfield wilkinson$
On May 24, 2011, at 9:20 AM, Flynn, Stephen (L & P - IT) wrote:
> What is your Python executable called? You refer to it as "python" on
> the command line but your "#!" line in your script refers to the
> executable as "python3.1". tried it with just "python" in the #! Line?
>
> Check the output of 'ls -al /usr/local/bin/pytho*'...
>
> S.
>
> -Original Message-
> From: tutor-bounces+steve.flynn=capita.co...@python.org
> [mailto:tutor-bounces+steve.flynn=capita.co...@python.org] On Behalf Of
> Hank Wilkinson
> Sent: Tuesday, May 24, 2011 2:10 PM
> To: tutor@python.org
> Subject: [Tutor] python scripting using "./"
>
> I am trying to do script in python using "./"
> Here is a session showing "bad interpreter: No such file or directory"
> Is this a python question/problem?
>
> Last login: Sat May 21 14:22:49 on ttys000
> John-Wilkinsons-iMac:~ wilkinson$ cd
> /Users/wilkinson/Documents/py32/p31summerfield
> John-Wilkinsons-iMac:p31summerfield wilkinson$ pwd
> /Users/wilkinson/Documents/py32/p31summerfield
> John-Wilkinsons-iMac:p31summerfield wilkinson$ ls hello.py
> hello.py
> John-Wilkinsons-iMac:p31summerfield wilkinson$ python hello.py
> Hello World!
> John-Wilkinsons-iMac:p31summerfield wilkinson$ chmod +X hello.py
> John-Wilkinsons-iMac:p31summerfield wilkinson$ ./hello.py
> -bash: ./hello.py: /usr/local/bin/python3.1^M: bad interpreter: No such
> file or directory
> John-Wilkinsons-iMac:p31summerfield wilkinson$ echo $PATH
> /opt/local/bin:/opt/local/sbin:/opt/local/bin:/opt/local/sbin:/usr/bin:/
> bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin
> John-Wilkinsons-iMac:p31summerfield wilkinson$ cat hello.py
> #!/usr/local/bin/python3.1
>
> print("Hello", "World!")
> John-Wilkinsons-iMac:p31summerfield wilkinson$ python
> Python 3.1.2 (r312:79147, Mar 20 2011, 17:15:01)
> [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import sys
>>>> sys.path
> ['',
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
> 1.zip',
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
> .1',
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
> .1/plat-darwin',
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
> .1/lib-dynload',
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
> .1/site-packages']
>
> Thank you.
> Hank
>
> ___
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Re: [Tutor] python scripting using "./"
John-Wilkinsons-iMac:p31summerfield wilkinson$ ls -al /usr/local/bin/python
ls: /usr/local/bin/python: No such file or directory
John-Wilkinsons-iMac:p31summerfield wilkinson$ ls -al /usr/local/bin/python3
lrwxr-xr-x 1 root wheel 69 Mar 21 13:45 /usr/local/bin/python3 ->
../../../Library/Frameworks/Python.framework/Versions/3.1/bin/python3
John-Wilkinsons-iMac:p31summerfield wilkinson$
On May 24, 2011, at 9:20 AM, Flynn, Stephen (L & P - IT) wrote:
> What is your Python executable called? You refer to it as "python" on
> the command line but your "#!" line in your script refers to the
> executable as "python3.1". tried it with just "python" in the #! Line?
>
> Check the output of 'ls -al /usr/local/bin/pytho*'...
>
> S.
>
> -Original Message-
> From: tutor-bounces+steve.flynn=capita.co...@python.org
> [mailto:tutor-bounces+steve.flynn=capita.co...@python.org] On Behalf Of
> Hank Wilkinson
> Sent: Tuesday, May 24, 2011 2:10 PM
> To: tutor@python.org
> Subject: [Tutor] python scripting using "./"
>
> I am trying to do script in python using "./"
> Here is a session showing "bad interpreter: No such file or directory"
> Is this a python question/problem?
>
> Last login: Sat May 21 14:22:49 on ttys000
> John-Wilkinsons-iMac:~ wilkinson$ cd
> /Users/wilkinson/Documents/py32/p31summerfield
> John-Wilkinsons-iMac:p31summerfield wilkinson$ pwd
> /Users/wilkinson/Documents/py32/p31summerfield
> John-Wilkinsons-iMac:p31summerfield wilkinson$ ls hello.py
> hello.py
> John-Wilkinsons-iMac:p31summerfield wilkinson$ python hello.py
> Hello World!
> John-Wilkinsons-iMac:p31summerfield wilkinson$ chmod +X hello.py
> John-Wilkinsons-iMac:p31summerfield wilkinson$ ./hello.py
> -bash: ./hello.py: /usr/local/bin/python3.1^M: bad interpreter: No such
> file or directory
> John-Wilkinsons-iMac:p31summerfield wilkinson$ echo $PATH
> /opt/local/bin:/opt/local/sbin:/opt/local/bin:/opt/local/sbin:/usr/bin:/
> bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin
> John-Wilkinsons-iMac:p31summerfield wilkinson$ cat hello.py
> #!/usr/local/bin/python3.1
>
> print("Hello", "World!")
> John-Wilkinsons-iMac:p31summerfield wilkinson$ python
> Python 3.1.2 (r312:79147, Mar 20 2011, 17:15:01)
> [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import sys
>>>> sys.path
> ['',
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
> 1.zip',
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
> .1',
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
> .1/plat-darwin',
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
> .1/lib-dynload',
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
> .1/site-packages']
>
> Thank you.
> Hank
>
> ___
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> intended recipient, you may not use, copy or disclose either the message or
> any information contained in the message. If you are not the intended
> recipient, you should delete this email and notify the sender immediately.
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> Any views or opinions expressed in this email are those of the sender only,
> unless otherwise stated. All copyright in any Capita material in this email
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>
> All emails, incoming and outgoing, may be recorded by Capita and monitored
> for legitimate business purposes.
>
> Capita exclude all liability for any loss or damage arising or resulting from
> the receipt, use or transmission of this email to the fullest extent
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Re: [Tutor] python scripting using "./"
Thank you, I changed the first line to:
#!/usr/bin/env/python3
then I tried again:
John-Wilkinsons-iMac:p31summerfield wilkinson$ ./hello.py
-bash: ./hello.py: /usr/bin/env/python3^M: bad interpreter: Not a directory
John-Wilkinsons-iMac:p31summerfield wilkinson$
So I am getting different messages, but ...
On May 24, 2011, at 9:30 AM, Flynn, Stephen (L & P - IT) wrote:
> You missed a "*" from the end of the ls command but it matters not.
>
> Your python executable is named "/usr/local/bin/python3" so if you
> change the first line of your script to...
>
> #!/usr/local/bin/python3
>
> ...you should get along much better! :)
>
> S.
>
> -Original Message-
> From: Hank Wilkinson [mailto:hwilkin...@triad.rr.com]
> Sent: Tuesday, May 24, 2011 2:25 PM
> To: Flynn, Stephen (L & P - IT)
> Cc: tutor@python.org
> Subject: Re: [Tutor] python scripting using "./"
>
> John-Wilkinsons-iMac:p31summerfield wilkinson$ ls -al
> /usr/local/bin/python
> ls: /usr/local/bin/python: No such file or directory
> John-Wilkinsons-iMac:p31summerfield wilkinson$ ls -al
> /usr/local/bin/python3
> lrwxr-xr-x 1 root wheel 69 Mar 21 13:45 /usr/local/bin/python3 ->
> ../../../Library/Frameworks/Python.framework/Versions/3.1/bin/python3
> John-Wilkinsons-iMac:p31summerfield wilkinson$
>
> On May 24, 2011, at 9:20 AM, Flynn, Stephen (L & P - IT) wrote:
>
>> What is your Python executable called? You refer to it as "python" on
>> the command line but your "#!" line in your script refers to the
>> executable as "python3.1". tried it with just "python" in the #! Line?
>>
>> Check the output of 'ls -al /usr/local/bin/pytho*'...
>>
>> S.
>>
>> -Original Message-
>> From: tutor-bounces+steve.flynn=capita.co...@python.org
>> [mailto:tutor-bounces+steve.flynn=capita.co...@python.org] On Behalf
> Of
>> Hank Wilkinson
>> Sent: Tuesday, May 24, 2011 2:10 PM
>> To: tutor@python.org
>> Subject: [Tutor] python scripting using "./"
>>
>> I am trying to do script in python using "./"
>> Here is a session showing "bad interpreter: No such file or directory"
>> Is this a python question/problem?
>>
>> Last login: Sat May 21 14:22:49 on ttys000
>> John-Wilkinsons-iMac:~ wilkinson$ cd
>> /Users/wilkinson/Documents/py32/p31summerfield
>> John-Wilkinsons-iMac:p31summerfield wilkinson$ pwd
>> /Users/wilkinson/Documents/py32/p31summerfield
>> John-Wilkinsons-iMac:p31summerfield wilkinson$ ls hello.py
>> hello.py
>> John-Wilkinsons-iMac:p31summerfield wilkinson$ python hello.py
>> Hello World!
>> John-Wilkinsons-iMac:p31summerfield wilkinson$ chmod +X hello.py
>> John-Wilkinsons-iMac:p31summerfield wilkinson$ ./hello.py
>> -bash: ./hello.py: /usr/local/bin/python3.1^M: bad interpreter: No
> such
>> file or directory
>> John-Wilkinsons-iMac:p31summerfield wilkinson$ echo $PATH
>>
> /opt/local/bin:/opt/local/sbin:/opt/local/bin:/opt/local/sbin:/usr/bin:/
>> bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin
>> John-Wilkinsons-iMac:p31summerfield wilkinson$ cat hello.py
>> #!/usr/local/bin/python3.1
>>
>> print("Hello", "World!")
>> John-Wilkinsons-iMac:p31summerfield wilkinson$ python
>> Python 3.1.2 (r312:79147, Mar 20 2011, 17:15:01)
>> [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
>> Type "help", "copyright", "credits" or "license" for more information.
>>>>> import sys
>>>>> sys.path
>> ['',
>>
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
>> 1.zip',
>>
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
>> .1',
>>
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
>> .1/plat-darwin',
>>
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
>> .1/lib-dynload',
>>
> '/opt/local/Library/Frameworks/Python.framework/Versions/3.1/lib/python3
>> .1/site-packages']
>>
>> Thank you.
>> Hank
>>
>> ___
>> Tutor maillist - Tutor@python.org
>> To unsubscribe or change subscription options:
>> http://mail.python.org/mailman/listinfo/tutor
>>
>> This email has been scanned for all viruses by the MessageLabs SkyScan
>> service.
>>
>> This email and any attachment to it are confidential. Unless you are
Re: [Tutor] python scripting using "./"
Thank you. John-Wilkinsons-iMac:p31summerfield wilkinson$ which python /opt/local/bin/python On May 24, 2011, at 9:27 AM, Walter Prins wrote: > The problem likely is as intimated by the error message that your python > interpreter not called "/usr/local/bin/python3.1" but I'd offhand guess, > probably "/usr/local/bin/python". (Indeed, you run the interpreter yourself > as "python" not "python3.1" so you should not be using "python3.1" in your > script header.) > > To check, try: > > John-Wilkinsons-iMac:~ wilkinson$ which python > > Assuming you have the "which" command this will tell you which version of > python is used then you do e.g. "python hello.py." Then change the hash-bang > (#!) header in your script to match the location you found. (If you dont > have "which", you can also try "whereis" or "env" or "type -a".) > > Note, some people use the following hash-bang header in preference of a hard > coded path as I've suggested above, as follows: > > #!/usr/bin/env python > > /usr/bin/env goes off and looks up the appropriate path for (in this case) > the "python" interpreter, then passes control to that, thereby making your > script a little less dependent on a hardcoded paths present on your system. > This works provided of course that "env" is available and found in /usr/bin. > (Thought I'd mention that in case you wanted to use that instead/try it.) > > Disclaimer: I don't have a Mac, the above is basically general advice which > should however work any Unix'ish or GNU'ish system, including I believe on > the Mac providing Apple's not changed things that I'm not aware of. > > Hope that helps > > Walter > > > ___ > Tutor maillist - Tutor@python.org > To unsubscribe or change subscription options: > http://mail.python.org/mailman/listinfo/tutor ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] python scripting using "./"
Yes, I would love to know why it doesn't work, or what I'm doing wrong.
John-Wilkinsons-iMac:p31summerfield wilkinson$ cat hello.py
#!/usr/bin/env python
print("Hello world")
John-Wilkinsons-iMac:p31summerfield wilkinson$ chmod +X hello.py
John-Wilkinsons-iMac:p31summerfield wilkinson$ ./hello.py
-bash: ./hello.py: Permission denied
John-Wilkinsons-iMac:p31summerfield wilkinson$
On May 24, 2011, at 10:02 AM, Walter Prins wrote:
>
>
> On 24 May 2011 14:51, Hank Wilkinson wrote:
> Thank you, I changed the first line to:
> #!/usr/bin/env/python3
> then I tried again:
> John-Wilkinsons-iMac:p31summerfield wilkinson$ ./hello.py
> -bash: ./hello.py: /usr/bin/env/python3^M: bad interpreter: Not a directory
> John-Wilkinsons-iMac:p31summerfield wilkinson$
>
> So I am getting different messages, but ...
>
> Yes, the exact line to use is:
>
> #!/usr/bin/env python
>
> Note the space between "/usr/bin/env" and "python".
>
> If you'd like to know what's happening here I'll explain.
>
> Walter
>
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