Re: [Tutor] file exists question

2015-03-09 Thread Zachary Ware
On Mar 9, 2015 7:25 PM, "Steven D'Aprano" wrote: > What I really want is an option to open() that only > opens a new file, and fails if the file already exists. If I'm not mistaken, this is the 'x' open mode, added in Python 3.4 (or maybe 3.3, I forget). -- Zach _

Re: [Tutor] file exists question

2015-03-09 Thread Oscar Benjamin
On 10 March 2015 at 00:22, Steven D'Aprano wrote: > On Mon, Mar 09, 2015 at 04:50:11PM +, Alan Gauld wrote: >> >> Somebody posted a question asking how to fond out if a file >> exists. The message was in the queue and I thought I'd approved >> it but it hasn't shown up yet. Sorry to the OP if

Re: [Tutor] Idle - ImportError: No module named numpy

2015-03-09 Thread Oscar Benjamin
On 9 March 2015 at 18:09, Markos wrote: > I installed numpy in Debian (6.0) with the command: > apt-get install python-numpy > > I just find that this package is exclusively for python 2.5 and 2.6 > > The idle3 use Python 3.1.3. > > How to install numpy for Python 3 in order to use it with the idl

Re: [Tutor] file exists question

2015-03-09 Thread Steven D'Aprano
On Mon, Mar 09, 2015 at 04:50:11PM +, Alan Gauld wrote: > Somebody posted a question asking how to fond out if a file > exists. The message was in the queue and I thought I'd approved > it but it hasn't shown up yet. Sorry to the OP if I've messed up. > > The answer is that you use the os.path

Re: [Tutor] Idle - ImportError: No module named numpy

2015-03-09 Thread Alan Gauld
On 09/03/15 18:09, Markos wrote: How to install numpy for Python 3 in order to use it with the idle? Is there any simple way? Searching for numpy in Synaptic shows a python3-numpy package I'm using Mint 17 which is based on Debian/Ubuntu so there should be something in the debian repositorie

Re: [Tutor] Idle - ImportError: No module named numpy

2015-03-09 Thread Markos
On 06-03-2015 21:43, boB Stepp wrote: On Fri, Mar 6, 2015 at 12:27 PM, Markos wrote: Hi, I'm beginning to study the numpy. When I open a terminal (Debian Squeeze) and run the python interpreter the command "import numpy as np" run without errors. But when I run the same command on idle3

Re: [Tutor] file exists question

2015-03-09 Thread Wolfgang Maier
On 09.03.2015 18:50, David Heiser wrote: On 3/9/2015 9:50 AM, Alan Gauld wrote: Somebody posted a question asking how to fond out if a file exists. The message was in the queue and I thought I'd approved it but it hasn't shown up yet. Sorry to the OP if I've messed up. The answer is that you

Re: [Tutor] file exists question

2015-03-09 Thread David Heiser
On 3/9/2015 9:50 AM, Alan Gauld wrote: Somebody posted a question asking how to fond out if a file exists. The message was in the queue and I thought I'd approved it but it hasn't shown up yet. Sorry to the OP if I've messed up. The answer is that you use the os.path.exists() function. It take

[Tutor] file exists question

2015-03-09 Thread Alan Gauld
Somebody posted a question asking how to fond out if a file exists. The message was in the queue and I thought I'd approved it but it hasn't shown up yet. Sorry to the OP if I've messed up. The answer is that you use the os.path.exists() function. It takes a path as an argument which can be relat