Search python
155010 results
2
votes
1
answer
Python Repl in Python
Am I right in assuming that the Python shell is coded in Python? If so, where, might one find the source code? If I wanted to write a shell program that did things differently, could I just copy the code to new_shell.py, make a few changes, and then set up a bash alias 'python'='python3 new_shell'...
12
votes
6
answer
Python generating Python
I have a group of objects which I am creating a class for that I want to store each object as its own text file. I would really like to store it as a Python class definition which subclasses the main class I am creating. So, I did some poking around and found a Python Code Generator on effbot.org. I...
1
votes
3
answer
Regex Python [python-2.7]
I'm working on a Python program that sifts through a .txt file to find the genus and species name. The lines are formatted like this (yes, the equals signs are consistently around the common name):
1. =Common Name= Genus Species some other words that I don't want.
2. =Common Name= Genus Species some...
3
votes
1
answer
Python path define / Python 2.7.3
I am trying to define a simple python path, but I always get an error.
Can someone please tell me how to set the correct path.
I am working on a Raspberry Pi.
Here is the code that doesn't work:
import re, os, rrdtool, time, sys
# define pathes to 1-wire sensor data
pathes = '/sys/bus/w1/devices/10-...
13
votes
2
answer
python 2.7 vs python 3.1
Some python 3 features and modules having been backported to python 2.7 what are the notable differences between python 3.1 and python 2.7?
0
votes
0
answer
Specify python-mode.el's python executable
I recently installed anaconda, which installed its own python 2.7 into ~/anaconda2/bin/python. I wish for my IPy mode to point to the anaconda python so that I can use them together. However, IPy instead uses /usr/bin/python for its executable. This in spite of my using customize-variable to set py-...
3
votes
1
answer
Python 2 + Python 3 + library
I have both Python 2 and 3 in the same machine and installed a library (requests) through my package manager. I am only able to import it in Python 2, is it meant to be like that? If not how can I import it in Python 3?
1
votes
2
answer
Python syntax highlighter for Python
Is there a simple (possibly with no dependencies) syntax highlighter witch tokenizes Python source code? I need it to return the token type, the offset from the beginning of the code and token length.
I wanted to use Python build-in tokenize but it does not return the offsets.
I also looked to a few...
21
votes
5
answer
Efficient Python to Python IPC
What would be an inter-process communication (IPC) framework\technique with the following requirements:
Transfer native Python objects between two Python processes
Efficient in time and CPU (RAM efficiency irrelevant)
Cross-platform Win\Linux
Nice to have: works with PyPy
UPDATE 1: the processes are...
2
votes
1
answer
Python duplicate a python-igraph
I have a python-igraph and need to make two copies of it and change each of the copies without changing the other one. Right now I am doing it like this:
copy1 = fullGraph
copy2 = fullGraph
But it seems that this is not the correct way of doing it since whatever I change in copy1, the same thing hap...
4
votes
2
answer
Python 2.6 -> Python 3 (ProxyHandler)
I wrote a script that works with a proxy (py2.6x):
proxy_support = urllib2.ProxyHandler({'http' : 'http://127.0.0.1:80'})
But in py3.11x there is no urllib2 just a urllib... and that doesn't support the ProxyHandler
How can I use a proxy with urllib? Isn't Python 3 newer then Python 2? Why did they...
11
votes
5
answer
Python vs Iron Python [closed]
I have to make a GUI for some testing teams. I have been asked to do it in Python, but when I Google, all I see is about Iron Python.
I also was asked not to use Visual Studio because it is too expensive for the company. So if you have any idea to avoid that I would be very happy.
I am still new to...
6
votes
7
answer
python 2.6 or python 3.1?
I am about to learn Python and was wondering what is recommended, learning python 2.6 or 3.1? (any tips on learning python is welcomed as well =)
edit: Is the difference really big between the two? If I learn python 2 will i have trouble learning python 3?
1
votes
1
answer
Python install python-ntlm-1.0
I downloaded the python-ntlm-1.0.tar.gz and am trying to install. I extracted the .tar file to its own directory (C:\python-ntlm-1.0) and executed the following command in the command prompt from that directory:
C:\python27\python.exe C:\Python27\Tools\Scripts\setup.py install
I get the following o...
1
votes
2
answer
Python pydoc for python packages
I'm trying to document a python package in init.py and it's unclear to me how pydoc parses a '''triple bracketed''' comment to display to the user via:
>>> help(package)
or
$ pydoc package
How is the comment parsed to provide content in the NAME and DESCRIPTION sections of the pydoc output? Are...
1
votes
1
answer
Python-pptx for Python 3.5.1
Is it possible to use the pptx (Python-pptx) module for Python 3.5.1? Like for example:
from pptx import Presentation
from pptx.util import Pt
If not then what is the easyest way to replace this module? I think it shouldn't matter for the result but I am using PyCharm as IDE.
I have tried to install...
3
votes
3
answer
Python path: Reusing Python module
I have written a small DB access module that is extensively reused in many programs.
My code is stored in a single directory tree /projects for backup and versioning reasons, and so the module should be placed within this directory tree, say at /projects/my_py_lib/dbconn.py.
I want to easily config...
1
votes
3
answer
Checking Python Syntax, in Python
I would like to know if it's possible to check if a Python code has a correct syntax, without running it, and from a Python program. The source code could be in a file or better in a variable.
The application is the following: I have a simple text editor, embedded in my application, used for editing...
1
votes
3
answer
Python Apps and Python Interpreter?
I'm wondering how many python interpreter would be executed for distinct python apps?
Say I have 6 different python apps up and running, so does that mean there are 6 different python interpreters are running for each of them?
5
votes
2
answer
Python* to boost::python::object
I am trying to build a Python module in C++ that transforms a 2D vector into a Numpy 2D array. What is incorrect here - presumably there is some transformation needed to a boost python object from PyObject*?
boost::python::object build_day(int year, int day) {
PyObject* arr;
const int HEIGHT = 5;
co...
14
votes
4
answer
Python IDLE: Change Python Version
I have Python 2.x and 3.x on my machine (Mac OS X 10.6).
For some things I want to use ver 2, but for others I want ver 3. I like the IDLE software for editing/running, but it always uses version 3.
Is there any way to change the version of the interpreter that IDLE uses?
Thanks!
20
votes
3
answer
Can't find Python executable “python”
When i install iconv with npm got the following error:
[email protected] install /root/Dropbox/nodeApps/nodeApp/node_modules/iconv
node-gyp rebuild
gyp ERR! configure error
gyp ERR! stack Error: Can't find Python executable 'python', you can set the PYTHON env variable.
gyp ERR! stack at failNoPython...
1
votes
1
answer
Python: disabling $HOME/.python-eggs?
Is there an easy way to disable Python egg caching? We have the situation where a system account needs to run a python program which imports a module.
Since this is a non-login robot account, it does not have a home directory, and dies trying to create the directory /.python-eggs.
What's the best w...
3
votes
2
answer
running python script inside python
I know this question have been asked multiple times, I read multiple questions trying to solve this issue. However, none of those actually worked.
I have a python script I downloaded from: https://github.com/endrebak/kg
I'm trying to run the following command from inside python. It works when I run...
3
votes
1
answer
Running Python apps without python
Hi
Are there any other ways to run python application without python installed exept installing py2exe. I se that the latest update was for Python 2.7, but I need something similiar for python 3.1/3.2
1
votes
2
answer
system python versus user python
I've installed Python 2.7 using macports and because of my $PATH variable, that's the one I get when I type $ python. However, virtualenv defaults to using Python 2.6 unless I remember to force it to do otherwise with the -p flag.
On a related note, globally running yolk -l shows the following:
Pyt...
2
votes
1
answer
Run python script from python using different python
I have a software that has python 2.5.5. I want to send a command that would start a script in python 2.7.5 and then proceed with the script.
I tried using
#!python2.7.5
and http://redsymbol.net/articles/env-and-python-scripts-version/
But I cant get it to work...
In my python 2.5.5 I can execute s...
2
votes
5
answer
“Python Implementation” vs. “Python distribution” vs. Python itself?
New to Python world. What is the difference between 'Python Implementation' vs. 'Python distribution' vs. Python itself? for example:
I can download Python itself (Python 3.4.2) from python.org/downloads/release/python-342/
OR there is an 'implementation' 'nicknamed CPython' I can get from python....
75
votes
5
answer
Python extending with - using super() Python 3 vs Python 2
Originally I wanted to ask this question, but then I found it was already thought of before...
Googling around I found this example of extending configparser. The following works with Python 3:
$ python3
Python 3.2.3rc2 (default, Mar 21 2012, 06:59:51)
[GCC 4.6.3] on linux2
>>> from configparser i...
2
votes
2
answer
python - Change python to /usr/local/bin/python?
I'm trying to install opencv using python2.7.
When I use brew install python. I got
Warning: python-2.7.11 already installed, it's just not linked
And then I run brew link python and brew install python again got
1 export PATH='/usr/local/mysql/bin:$PATH'
Warning: python-2.7.11 already installed
Bu...
2
votes
1
answer
Python virtualenv -> New python executable in venv/bin/python
I'm currently trying to install Sevabot with this tutorial: https://sevabot-skype-bot.readthedocs.org/en/latest/ubuntu.html Everything is going fine until I need to install Sevabot. I can download the virtualenv.py file just fine but when I want to execute python virtualenv.py it returns a error.
~/...
2
votes
1
answer
Setting up a python pipeline - python subprocess
What is the best way to accomplish the following pipeline in python using subprocess:
run three script files python1_a.py, python1_b.py, python1_c.py in parallel
If no errors have been raised, run python2.py
If no errors have been raised, run python3.py
Also I'd want to pass arguments through argpra...
3
votes
2
answer
Piping 2 python scripts using python
I have 3 python files : 1 for accepting string, one for reversing it and one for piping them . I new to this concept , so please help me on how to achieve this.
1.py
def main():
print 'Input Your String : '
stri = raw_input()
return stri
main()
2.py
import sys
if __name__=='__main__':
for line in s...
2
votes
2
answer
Accessing python objects within objects in Python
I have a Python object called 'form' looking like this:
> dir(form)
['Meta', 'SECRET_KEY', 'TIME_LIMIT', '__class__', '__contains__', '__delattr__', '__delitem__', '__dict__', '__doc__', '__format__', '__getattribute__', '__getitem__', '__hash__', '__init__', '__iter__', '__module__', '__new__', '__...
15
votes
4
answer
Python & Windows: Where is the python launcher?
I'm trying to use different versions of python on win7, and I was told that I can use the python laucher.
I find the docs for it: https://docs.python.org/3/using/windows.html#launcher
But I don't know where is it. Someone say its called py.exe, but there is no file with this name on my computer.
I...
4
votes
1
answer
Bash alias --> Python 2.7 to Python 3.3
I am trying to make Python 3.4.2 the default in Linux (currently it is 2.7.6). I am not very knowledgeable on this stuff, but I have read in several places online that you can simply put an alias in the ~/.bashrc or ~/.bash_aliases file like this:
alias python='python3'
I don't have either the ~/.ba...
2
votes
0
answer
homebrew python upgrade breaks installed python tools
I use Homebrew and pip to manage my Python installation. A recent brew upgrade seems to have broken the Python shell commands such as pip, ipython and jupyter.
! ~/ jupyter...
1
votes
2
answer
Python 2 dict_items.sort() in Python 3
I'm porting some code from Python 2 to 3. This is valid code in Python 2 syntax:
def print_sorted_dictionary(dictionary):
items=dictionary.items()
items.sort()
In Python 3, the dict_items have no method 'sort' - how can I make a workaround for this in Python 3?
2
votes
1
answer
Python 3 pickle load from Python 2
I have a pickle file that was created (I don't know how exactly) in python 2. It is intended to be loaded by the following python 2 lines, which when used in python 3 (unsurprisingly) do not work:
with open('filename','r') as f:
foo, bar = pickle.load(f)
Result:
'ascii' codec can't decode byte 0x...
26
votes
5
answer
python: run interactive python shell from program
I often have the case that I'll be writing a script, and I'm up to a part of the script where I want to play around with some of the variables interactively. Getting to that part requires running a large part of the script I've already written.
In this case it isn't trivial to run this program from...
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