Hi folks. I'm learning Python from the Mark Lutz Book, Programming
Python 3rd edition.
He seems to be able to invoke the Python interpreter from any command
line prompt.
C:\temp>python
C:\PP3rdEd\exam ples>python
C:\PP3rdEd\Exam ples\PP3E\Syste m>cd
Whereas I am only able to invoke it when the command line is pointing
to the directory where the executable resides. Currently:
C:\Python25
Is there a way to set this so I can also invoke it from any command
line prompt?
Thankyou very much.
5  1842 
waltbrad wrote:
Hi folks. I'm learning Python from the Mark Lutz Book, Programming
Python 3rd edition.
He seems to be able to invoke the Python interpreter from any command
line prompt.
C:\temp>python
C:\PP3rdEd\exam ples>python
C:\PP3rdEd\Exam ples\PP3E\Syste m>cd
Whereas I am only able to invoke it when the command line is pointing
to the directory where the executable resides. Currently:
C:\Python25
Is there a way to set this so I can also invoke it from any command
line prompt?
Thankyou very much.
The Python executable must be found in your system path, that is why you
are unable to just simply type python at anytime at a command prompt.
Simple fix:
click Start Control Panel System Advanced Environment Variables
(bottom right)
Then you will have two list boxes one for user environment variables
another for system variables. I prefer placing the path in the System
environment variables section that way it is available for all accounts
on the system (provided you have more than 1 user on it).
In the System list locate the Path variables, select edit variable and
append ;C:\Python25 to it. And thats it reopen a new command prompt the
type python and it should just fire up.
Hope this helps.
Adonis Vargas
On Dec 9, 8:54 am, Adonis Vargas <adon...@REMOVE THISearthlink.n et>
wrote:
waltbrad wrote:
Hi folks. I'm learning Python from the Mark Lutz Book, Programming
Python 3rd edition.
He seems to be able to invoke the Python interpreter from any command
line prompt.
C:\temp>python
C:\PP3rdEd\exam ples>python
C:\PP3rdEd\Exam ples\PP3E\Syste m>cd
Whereas I am only able to invoke it when the command line is pointing
to the directory where the executable resides. Currently:
C:\Python25
Is there a way to set this so I can also invoke it from any command
line prompt?
Thankyou very much.
The Python executable must be found in your system path, that is why you
are unable to just simply type python at anytime at a command prompt.
Simple fix:
click Start Control Panel System Advanced Environment Variables
(bottom right)
Then you will have two list boxes one for user environment variables
another for system variables. I prefer placing the path in the System
environment variables section that way it is available for all accounts
on the system (provided you have more than 1 user on it).
In the System list locate the Path variables, select edit variable and
append ;C:\Python25 to it. And thats it reopen a new command prompt the
type python and it should just fire up.
Hope this helps.
Adonis Vargas
Got it, Adonis. Thanks much.
Hi,
You need to edit your path variable. (I'm assuming you're using
Windows). Go to:
Settings Control Panel System Advanced Environment Variables.
Now double click on 'Path' and append ";C:\Python 25\" (minus the
quotation marks) to the text displayed in the Variable Value box.
BW,
John
waltbrad wrote:
Is there a way to set this so I can also invoke it from any command
line prompt?
You can follow Adonis' advice but I'm going a different path on my
computer because I've multiple versions of Python installed on my box.
I usually put a simple batch file in c:\Windows, e.g. python25.bat
@C:\Python25\py thon.exe %*
I can start Python 2.5 with python25 from every directory.
Christian
waltbrad wrote:
Is there a way to set this so I can also invoke it from any command
line prompt?
You can follow Adonis' advice but I'm going a different path on my
computer because I've multiple versions of Python installed on my box.
I usually put a simple batch file in c:\Windows, e.g. python25.bat
@C:\Python25\py thon.exe %*
I can start Python 2.5 with python25 from every directory.
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