Title stringlengths 15 150 | A_Id int64 2.98k 72.4M | Users Score int64 -17 470 | Q_Score int64 0 5.69k | ViewCount int64 18 4.06M | Database and SQL int64 0 1 | Tags stringlengths 6 105 | Answer stringlengths 11 6.38k | GUI and Desktop Applications int64 0 1 | System Administration and DevOps int64 1 1 | Networking and APIs int64 0 1 | Other int64 0 1 | CreationDate stringlengths 23 23 | AnswerCount int64 1 64 | Score float64 -1 1.2 | is_accepted bool 2
classes | Q_Id int64 1.85k 44.1M | Python Basics and Environment int64 0 1 | Data Science and Machine Learning int64 0 1 | Web Development int64 0 1 | Available Count int64 1 17 | Question stringlengths 41 29k |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
failed in "sudo pip" | 41,135,807 | 2 | 13 | 12,302 | 0 | python,permissions,pip,sudo | if you have 2 versions of pip for example /user/lib/pip and /user/local/lib/pip belongs to python 2.6 and 2.7. you can delete the /user/lib/pip and make a link pip=>/user/local/lib/pip.
you can see that the pip commands called from "pip" and "sudo" pip are different. make them consistence can fix it. | 0 | 1 | 0 | 0 | 2016-01-19T08:38:00.000 | 6 | 0.066568 | false | 34,871,994 | 0 | 0 | 1 | 5 | Please help me.
server : aws ec2
os : amazon linux
python version : 2.7.10
$ pip --version
pip 7.1.2 from /usr/local/lib/python2.7/site-packages (python 2.7)
It's OK.
But...
$ sudo pip --version
Traceback (most recent call last):
File "/usr/bin/pip", line 5, in
from pkg_resources import load_entry_point
F... |
failed in "sudo pip" | 47,222,853 | 0 | 13 | 12,302 | 0 | python,permissions,pip,sudo | Assuming two pip versions are present at /usr/bin/pip & /usr/local/bin/pip where first is present for sudo user & second for normal user.
From sudo user you can run below command so it will use higher version of pip for installation.
/usr/local/bin/pip install jupyter | 0 | 1 | 0 | 0 | 2016-01-19T08:38:00.000 | 6 | 0 | false | 34,871,994 | 0 | 0 | 1 | 5 | Please help me.
server : aws ec2
os : amazon linux
python version : 2.7.10
$ pip --version
pip 7.1.2 from /usr/local/lib/python2.7/site-packages (python 2.7)
It's OK.
But...
$ sudo pip --version
Traceback (most recent call last):
File "/usr/bin/pip", line 5, in
from pkg_resources import load_entry_point
F... |
failed in "sudo pip" | 34,874,730 | 0 | 13 | 12,302 | 0 | python,permissions,pip,sudo | As you can see with sudo you run another pip script.
With sudo: /usr/bin/pip which is older version;
Without sudo: /usr/local/lib/python2.7/site-packages/pip which is the latest version.
The error you encountered is sometimes caused by using different package managers, common way to solve it is the one already proposed... | 0 | 1 | 0 | 0 | 2016-01-19T08:38:00.000 | 6 | 0 | false | 34,871,994 | 0 | 0 | 1 | 5 | Please help me.
server : aws ec2
os : amazon linux
python version : 2.7.10
$ pip --version
pip 7.1.2 from /usr/local/lib/python2.7/site-packages (python 2.7)
It's OK.
But...
$ sudo pip --version
Traceback (most recent call last):
File "/usr/bin/pip", line 5, in
from pkg_resources import load_entry_point
F... |
failed in "sudo pip" | 34,872,132 | 17 | 13 | 12,302 | 0 | python,permissions,pip,sudo | Try this:
sudo easy_install --upgrade pip
By executing this you are upgrading the version of pip that sudoer is using. | 0 | 1 | 0 | 0 | 2016-01-19T08:38:00.000 | 6 | 1 | false | 34,871,994 | 0 | 0 | 1 | 5 | Please help me.
server : aws ec2
os : amazon linux
python version : 2.7.10
$ pip --version
pip 7.1.2 from /usr/local/lib/python2.7/site-packages (python 2.7)
It's OK.
But...
$ sudo pip --version
Traceback (most recent call last):
File "/usr/bin/pip", line 5, in
from pkg_resources import load_entry_point
F... |
failed in "sudo pip" | 39,518,909 | 24 | 13 | 12,302 | 0 | python,permissions,pip,sudo | I had the same problem.
sudo which pip
sudo vim /usr/bin/pip
modify any pip==6.1.1 to pip==8.1.2 or the version you just upgrade to.
It works for me. | 0 | 1 | 0 | 0 | 2016-01-19T08:38:00.000 | 6 | 1 | false | 34,871,994 | 0 | 0 | 1 | 5 | Please help me.
server : aws ec2
os : amazon linux
python version : 2.7.10
$ pip --version
pip 7.1.2 from /usr/local/lib/python2.7/site-packages (python 2.7)
It's OK.
But...
$ sudo pip --version
Traceback (most recent call last):
File "/usr/bin/pip", line 5, in
from pkg_resources import load_entry_point
F... |
How to use Android shared library in Ubuntu | 34,883,727 | 1 | 3 | 1,289 | 0 | android,python,linux,shared-libraries | Most likely not. It's very probably the Android you pull it from is running on the ARM architecture, and therefore the .so library was compiled for that architecture.
Unless your desktop machine is also on the ARM architecture (it's most likely x86 and it would have to be specific such as ARMv7) the .so binary will be... | 1 | 1 | 0 | 1 | 2016-01-19T17:47:00.000 | 1 | 0.197375 | false | 34,883,612 | 0 | 0 | 0 | 1 | I have an .so file which I pulled from an Android APK (Not my app, so I don't have access to the source, just the library)
I want to use this shared object on my 32 bit Ubuntu machine, and call some functions from it (Preferably with Python) . Is it possible to convert an Android .so to a Linux .so?
Or is there any sim... |
how many docker containers should a java web app w/ database have? | 34,886,874 | 1 | 3 | 1,322 | 0 | python,tomcat,docker,application-server | You can use Docker Machine to create a Docker development environment on Mac or Windows. This is really good for trial and error. There is no need to for Ubuntu VM.
Docker container does one thing only. So your application would consist of multiple containers, one for each component. You've also clearly identified the ... | 0 | 1 | 0 | 0 | 2016-01-19T19:01:00.000 | 2 | 0.099668 | false | 34,884,896 | 0 | 0 | 1 | 1 | I'm trying to "dockerize" my java web application and finally run the docker image on EC2.
My application is a WAR file and connects to a database. There is also a python script which the application calls via REST. The python side uses the tornado webserver
Question 1:
Should I have the following Docker containers?
... |
Serving large files in AWS | 34,899,601 | 0 | 0 | 191 | 1 | python,mysql,amazon-web-services,nas | You also can use MongoDb , it provides several API, and also you can store file in S3 bucket with the use of Multi-Part Upload | 0 | 1 | 0 | 0 | 2016-01-20T09:09:00.000 | 1 | 0 | false | 34,895,738 | 0 | 0 | 1 | 1 | As part of a big system, I'm trying to implement a service that (among other tasks) will serve large files (up to 300MB) to other servers (running in Amazon).
This files service needs to have more than one machine up and running at each time, and there are also multiple clients.
Service is written in Python, using Torn... |
Celery Retry not working on AWS Beanstalk running Docker ver.1.6.2(Multi container) | 34,942,922 | 0 | 0 | 83 | 0 | python,django,amazon-web-services,celery | Knoob mistake:
Turns out that I had another environment with similar code consuming from the same rabbitMQ server. Seems this other environment was picking up the retries. | 0 | 1 | 0 | 0 | 2016-01-20T22:11:00.000 | 1 | 1.2 | true | 34,911,638 | 0 | 0 | 1 | 1 | Am trying to implement retries in one of my celery tasks which works fine on my local development environment but doesn't execute retries when deployed to AWS beanstalk. |
Python - Cannot upgrade six, issue uninstalling previous version | 34,912,892 | 1 | 5 | 6,127 | 0 | python,installation,pip,upgrade,six | I, too, have had some issues with installing modules, and I sometimes find that it helps just to start over. In this case, it looks like you already have some of the 'six' module, but isn't properly set up, so if sudo pip uninstall six yields the same thing, go into your directory and manually delete anything related t... | 0 | 1 | 0 | 0 | 2016-01-20T23:40:00.000 | 2 | 0.099668 | false | 34,912,784 | 1 | 0 | 0 | 1 | When I run sudo pip install --upgrade six I run into the issue below:
2016-01-20 18:29:48|optim $ sudo pip install --upgrade six
Collecting six
Downloading six-1.10.0-py2.py3-none-any.whl
Installing collected packages: six
Found existing installation: six 1.4.1
Detected a distutils installed pro... |
Graceful reload of python tornado server | 34,960,704 | 1 | 0 | 583 | 0 | python,tornado,upgrade | Easy way, do it with nginx.
Start a latest tornado server.
Redirect all new connections to the new tornado server.(Change nginx configure file and reload with nginx -s reload)
Tell the old tornado server shutdown itself if all connections are closed.
Hard way
If you want to change your server on the fly, maybe you co... | 0 | 1 | 0 | 0 | 2016-01-22T14:44:00.000 | 1 | 0.197375 | false | 34,949,364 | 0 | 0 | 0 | 1 | I have an HTTP server created by the Tornado framework. I need to update/reload this server without any connection lost and shutdown.
I have no idea how to do it.
Could you get me any clue? |
Switching between Anaconda and Anaconda3 | 37,636,425 | 7 | 4 | 14,234 | 0 | python,anaconda | use the "activate" batch file
activate c:\anaconda3
activate c:\anaconda2 | 0 | 1 | 0 | 0 | 2016-01-24T01:58:00.000 | 3 | 1 | false | 34,971,379 | 1 | 0 | 0 | 2 | Is there an easy way to switch between using Anaconda (Python 2) and Anaconda3 (Python 3) from the command line? I am on Windows 10. |
Switching between Anaconda and Anaconda3 | 46,770,419 | 0 | 4 | 14,234 | 0 | python,anaconda | If you are using Linux/Mac OS, edit your ~/.bashrc. For example, if you do not wanna use anaconda3, comment the line which add path_to_anaconda3 to your system PATH. | 0 | 1 | 0 | 0 | 2016-01-24T01:58:00.000 | 3 | 0 | false | 34,971,379 | 1 | 0 | 0 | 2 | Is there an easy way to switch between using Anaconda (Python 2) and Anaconda3 (Python 3) from the command line? I am on Windows 10. |
How to decrease to split data put in task queue, Google app engine with Python | 34,976,107 | 0 | 0 | 96 | 0 | python,google-app-engine,task-queue | Check the size of the payload (arguments) you are sending to the task queue.
If it's more than a few KB in size you need to store it in the datastore and send the key of the object holding the data to the task queue | 0 | 1 | 0 | 0 | 2016-01-24T12:52:00.000 | 2 | 0 | false | 34,976,025 | 0 | 0 | 1 | 2 | Encounter an error "RequestTooLargeError: The request to API call datastore_v3.Put() was too large.".
After looking through the code, it happens on the place where it is using task queue.
So how can I split a large queue task into several smaller ones? |
How to decrease to split data put in task queue, Google app engine with Python | 34,977,778 | 0 | 0 | 96 | 0 | python,google-app-engine,task-queue | The maximum size of a task is 100KB. That's a lot of data. It's hard to give specific advice without looking at your code, but I would mention this:
If you pass a collection to be processed in a task in a loop, than the obvious solution is to split the entire collection into smaller chunks, e.g. instead of passing 100... | 0 | 1 | 0 | 0 | 2016-01-24T12:52:00.000 | 2 | 1.2 | true | 34,976,025 | 0 | 0 | 1 | 2 | Encounter an error "RequestTooLargeError: The request to API call datastore_v3.Put() was too large.".
After looking through the code, it happens on the place where it is using task queue.
So how can I split a large queue task into several smaller ones? |
Run python script in a remote machines as a sudo user | 36,052,105 | 0 | 1 | 1,341 | 0 | python,unix,sudo,remote-server | The other way is to use paramiko as below.
un_con=paramiko.SSHClient()
un_con.set_missing_host_key_policy(paramiko.AutoAddPolicy())
un_con.connect(host,username=user,key_filename=keyfile) stdin, stdout,
stderr = un_con.exec_command(sudo -H -u sudo_user bash -c 'command') | 0 | 1 | 0 | 1 | 2016-01-24T18:41:00.000 | 2 | 0 | false | 34,979,846 | 0 | 0 | 0 | 1 | I pretty new to python programming, as part of my learning i had decided to start coding for a simple daily task which would save sometime, I'm done with most part of the script but now i see a big challenge in executing it , because i need to execute it a remote server with the sudo user access. Basically what i need ... |
Unable to find ipython after installation on Mac | 34,984,334 | 0 | 1 | 2,531 | 0 | python,macos,ipython | Try these shell commands. I'm using Debian, & don't have a Mac.
which ipython
Should show the dir where it is installed, eg, /usr/bin/ipython
echo $PATH
Should show a list of paths where the system looks for programs to execute; it should include the location of ipython, eg, /usr/bin for my example above.
pip list
Sh... | 0 | 1 | 0 | 0 | 2016-01-25T01:34:00.000 | 2 | 0 | false | 34,983,832 | 1 | 0 | 0 | 1 | I installed ipython using pip. I have python 2.7 on my Mac. However I am unable to start up ipython.
[17:26:01] ipython
-bash: ipython: command not found
Then thinking that maybe I need to run it from within python I even tried that
[17:28:10] python
import ipython
Traceback (most recent call last):
File "", line ... |
How to fully access windows machine as an administrator using python | 34,989,256 | 0 | 1 | 963 | 0 | python,windows,admin,administration,administrator | For me the easiest solution is an administrator terminal instance.
Press the start/window button
Enter the search field
Type in cmd and wait until under programs cmd.exe is found
right click on that program
click on the option where you can execute as an administrator
Now your terminal has administrator rights. When ... | 0 | 1 | 0 | 0 | 2016-01-25T08:33:00.000 | 1 | 0 | false | 34,988,109 | 0 | 0 | 0 | 1 | I am on a project in which I need to have full access of each directory or file in the windows file system,I am using python for it.But I cant modify or access some files and totally inaccessible the C:/ drive with python,showing "permission denied".
I want to know is there any kind of way to get the full access as ad... |
How to get a socket FD according to the port occupied in Python? | 34,989,073 | 1 | 0 | 429 | 0 | python,linux,sockets,subprocess | It seems like a permission issue. The subprocess is probably running as an other user and therefore you will not have access to the process. Use sudo ps xauw |grep [processname] to figure as under what user the daemon process is running. | 0 | 1 | 1 | 0 | 2016-01-25T09:08:00.000 | 2 | 0.099668 | false | 34,988,678 | 0 | 0 | 0 | 1 | In my program, A serve-forever daemon is restarted in a subprocess.
The program itself is a web service, using port 5000 by default.
I don't know the detail of the start script of that daemon, but it seems to inherit the socket listening on port 5000.
So if I were to restart my program, I'll find that the port is alrea... |
Spyder Python IDE thinks remote kernel has died when it hasn't; any ways to prevent that? | 34,993,859 | 0 | 1 | 635 | 0 | python,amazon-ec2,ipython,spyder | I often have the same problem, the easiest and fastest fix I have for you at the moment, is running the code in a new dedicated python console every time. this can easily be done by:
1) click the run settings icon (the wrench with green play/run buttton in the top of your screen)
2) Select the 2nd option (execute in a ... | 0 | 1 | 0 | 0 | 2016-01-25T12:17:00.000 | 1 | 0 | false | 34,992,439 | 0 | 0 | 0 | 1 | I'm running Spyder on Windows connecting remotely to and Amazon EC2 ipython kernel. Whenever I run some operations that take more than a few seconds to run, I get the repeated message
It seems the kernel died unexpectedly. Use 'Restart kernel' to
continue using this console.
But my kernel is all fine and dandy. Som... |
How to properly install python3 on Centos 7 | 35,004,508 | 0 | 3 | 2,685 | 0 | python,centos | Do you have pip for python3, too? Try pip3 rather than pip. I assume your regular pip is just installing the modules for Python 2.x. | 0 | 1 | 0 | 1 | 2016-01-25T23:32:00.000 | 2 | 0 | false | 35,004,466 | 0 | 0 | 0 | 1 | I'm running Centos7 and it comes with Python2. I installed python3, however when I install modules with pip, python3 doesn't use them. I can run python3 by typing python3 at the CLI
python (2.x) is located in /usr/bin/python
python3 is located in /usr/local/bin/python3
I tried creating a link to python3 in /usr/bin/... |
create module for python package | 35,494,125 | 0 | 0 | 108 | 0 | python,python-2.7,module,lua,centos | I am not exactly sure what you mean by "How to create a module for kmos". You didn't mention which terminal you are using. However it will be definitely helpful to understand the mechanism behind finding executables and python import.
If you want to execute the kmos command-line interface (e.g. kmos export ...) you n... | 0 | 1 | 0 | 0 | 2016-01-26T20:31:00.000 | 1 | 0 | false | 35,023,378 | 1 | 0 | 0 | 1 | I have recently installed kmos, a python package using pip in my user account on my institute cluster. How to create a module for kmos and set the path to the directory such that python accesses the library. Currently, I am giving the path to the kmos binary while running the program.
Linux distro: Cent OS
Module suppo... |
Using Python GUI Editor on Ubuntu AWS | 35,028,687 | 2 | 2 | 590 | 0 | python-2.7,ubuntu,amazon-ec2 | You could handle things a few ways, but I would simply mount the instance's filesystem locally, and keep a Putty (Windows) terminal open to execute commands remotely.
Trying to install a GUI on the EC2 instance is probably more trouble than it's worth, and a waste of resources.
In most cases, I build everything inside... | 0 | 1 | 0 | 1 | 2016-01-27T02:13:00.000 | 1 | 0.379949 | false | 35,027,646 | 0 | 0 | 0 | 1 | I have a server instance (Ubuntu) running on AWS EC2. What's the best way to use GUI-based Python editor (e.g., Spyder, Sublimetext, PyCharm) with that server instance? |
Connecting to SFTP server via Windows' Command Prompt | 35,033,131 | 1 | 1 | 15,990 | 0 | python,windows,batch-file,sftp,fabric | The built in FTP command doesn't have a facility for security. You can use winscp, an open source free SFTP client and FTP client for Windows. | 0 | 1 | 0 | 1 | 2016-01-27T09:09:00.000 | 2 | 0.099668 | false | 35,032,994 | 0 | 0 | 0 | 1 | I'm wondering if there's any way to connect SFTP server with Windows' Command Prompt, by only executing batch file.
Do I need to install additional software? which software?
The purpose is to do pretty basic file operations (upload, delete, rename) on remote SFTP server by executing a batch file.
And by the way, I have... |
Ipv6 UDP host address for bind | 35,063,138 | 1 | 0 | 422 | 0 | python,sockets,udp,raspberry-pi,ipv6 | You can use host ='fe80::ba27:ebff:fed4:5691', assuming you only have one link.
Link-Local addresses (Link-Local scope) are designed to be used for addressing on a single link for purposes such as automatic address configuration, neighbor discovery or when no routers are present. Routers must not forward any packets w... | 0 | 1 | 1 | 1 | 2016-01-27T15:52:00.000 | 1 | 1.2 | true | 35,042,006 | 0 | 0 | 0 | 1 | I am interested to do socket programming. I would like send and receive Ipv6 UDP server socket programming for raspberry (conneted with ethernet cable and opened in Putty). After surfing coulpe of sites I have got confusion with IPv6 UDP host address. Which type of host address should I use to send and receive message ... |
Run shell command in pdb mode | 51,962,231 | 8 | 10 | 5,045 | 0 | python,shell,pdb | Simply use the "os" module and you will able to easily execute any os command from within pdb.
Start with:
(Pdb) import os
And then:
(Pdb) os.system("ls")
or even
(Pdb) os.system("sh")
the latest simply spawns a subshell. Exiting from it returns back to debugger.
Note: the "cd" command will have no effect when used a... | 0 | 1 | 0 | 0 | 2016-01-27T16:02:00.000 | 3 | 1 | false | 35,042,198 | 0 | 0 | 0 | 1 | I want to run cd and ls in python debugger. I try to use !ls but I get
*** NameError: name 'ls' is not defined |
Azure Service Bus SDK for Python results in Read Timeout when sending a message to topic | 35,061,648 | -1 | 1 | 423 | 0 | python,azure,azureservicebus | Per my experience, I think it's a program flow problem of your embedded application.
You can try to add a testing function that ping the service bus host interval some seconds until the network fine to return a boolean value to start a new connection after the device switches the network adaptor. Meanwhile, count for p... | 0 | 1 | 0 | 0 | 2016-01-27T18:48:00.000 | 1 | -0.197375 | false | 35,045,604 | 0 | 0 | 0 | 1 | In my application, I send a message to a topic based on a local event. This works quite well until I run into a network issue.
On the network side, my device is going through an access point that provides primary/secondary connection to the internet. The primary connection is through an ADSL line but if that fails, i... |
How to select which version of python I am running on Linux? | 35,047,953 | 2 | 3 | 7,476 | 0 | python,linux | Use update-alternatives --config python and shoose python2.7 from choices.
If you need to remove it use update-alternatives --remove python /usr/bin/python2.7. | 0 | 1 | 0 | 0 | 2016-01-27T20:48:00.000 | 4 | 0.099668 | false | 35,047,691 | 1 | 0 | 0 | 1 | The version of Linux I am working on has python 2.6 by default, and we installed 2.7 on it in a separate folder.
If I want to run a .py script, how do I tell it to use 2.7 instead of the default? |
python script to edit a file in vim | 35,048,982 | 4 | 0 | 1,493 | 0 | python,python-3.x,vim | It's not clear why you want to do this. To truly run an interactive program, you'll have to create a pseudo-tty and manage it from your python script - not for the faint of heart.
If you just want to insert text into an existing file, you can do that directly from python, using the file commands. Or you could invoke a ... | 0 | 1 | 0 | 0 | 2016-01-27T21:59:00.000 | 3 | 0.26052 | false | 35,048,891 | 1 | 0 | 0 | 1 | I want to make a python script that:
opens a file, executes the command i,
then writes 2 lines of code, hits escape
executes the command ZZ.
I was thinking along the lines of os.system("vi program") then os.system("i") and os.system("code"), but that didn't work because you can only execute commands. Thank you! |
Run python program from terminal | 35,049,070 | 0 | 1 | 7,570 | 0 | python,terminal | When you type "python", your path is searched to run this version. But, if you specify the absolute path of the other python, you run it the way you want it.
Here, in my laptop, I have /home/user/python3_4 and /home/user/python2_7. If I type python, the 3.4 version is executed, because this directory is set in my path ... | 0 | 1 | 0 | 0 | 2016-01-27T22:06:00.000 | 3 | 0 | false | 35,048,996 | 1 | 0 | 0 | 2 | I have downloaded a python program from git.
This program is python 3.
On my laptop i have both python 2.7 and python 3.4. Python 2.7 is default version.
when i want run this program in terminal it gives some module errors because of it used the wrong version.
how can i force an name.py file to open in an (non) defaul... |
Run python program from terminal | 35,964,107 | 0 | 1 | 7,570 | 0 | python,terminal | The Method of @Tom Dalton and @n1c9 work for me!
python3 name.py | 0 | 1 | 0 | 0 | 2016-01-27T22:06:00.000 | 3 | 1.2 | true | 35,048,996 | 1 | 0 | 0 | 2 | I have downloaded a python program from git.
This program is python 3.
On my laptop i have both python 2.7 and python 3.4. Python 2.7 is default version.
when i want run this program in terminal it gives some module errors because of it used the wrong version.
how can i force an name.py file to open in an (non) defaul... |
Cannot install Python Package with docker-compose | 35,066,625 | 12 | 6 | 9,159 | 0 | python,docker,docker-compose | It looks like you ran the pip install in a one-off container. That means your package isn't going to be installed in subsequent containers created with docker-compose up or docker-compose run. You need to install your dependencies in the image, usually by adding the pip install command to your Dockerfile. That way, all... | 0 | 1 | 0 | 0 | 2016-01-28T16:06:00.000 | 1 | 1.2 | true | 35,066,307 | 0 | 0 | 1 | 1 | I am running a Django project with docker. Now I want to install a Python package inside the Docker container and run the following command:
docker-compose django run pip install django-extra-views
Now when I do docker-compose up, I get an error ImportError: No module named 'extra_views'. docker-compose django run pip ... |
Performing a blocking request in django view | 35,083,287 | 2 | 5 | 2,469 | 0 | python,django,celery | The usual solution here is to offload the task to celery, and return a "please wait" response in your view. If you want, you can then use an Ajax call to periodically hit a view that will report whether the response is ready, and redirect when it is. | 0 | 1 | 0 | 0 | 2016-01-29T11:15:00.000 | 3 | 0.132549 | false | 35,083,133 | 0 | 0 | 1 | 1 | In one of the views in my django application, I need to perform a relatively lengthy network IO operation. The problem is other requests must wait for this request to be completed even though they have nothing to do with it.
I did some research and stumbled upon Celery but as I understand, it is used to perform backgro... |
Vim python3 integration on mac | 35,093,602 | 1 | 2 | 3,440 | 0 | macos,python-3.x,vim | Finally found the solution - $ brew install vim --with-python3 | 0 | 1 | 0 | 0 | 2016-01-29T14:29:00.000 | 3 | 0.066568 | false | 35,086,949 | 1 | 0 | 0 | 3 | I'm trying to work out to integrate Python3 into Vim, I know I need to do it when compiling vim but I cant seem to get it right. I'm using homebrew to install with the following script:
brew install vim --override-system-vim --with-python3
It installs vim however when i check the version, python3 is still not supporte... |
Vim python3 integration on mac | 47,591,845 | 1 | 2 | 3,440 | 0 | macos,python-3.x,vim | I thought I had the same issue but realised I needed to re-start the shell.
If the problem still persists, it may be that you have older versions that homebrew is still trying to install. brew cleanup would remove older bottles and perhaps allow you to install the latest.
If this is still giving you trouble, I found r... | 0 | 1 | 0 | 0 | 2016-01-29T14:29:00.000 | 3 | 0.066568 | false | 35,086,949 | 1 | 0 | 0 | 3 | I'm trying to work out to integrate Python3 into Vim, I know I need to do it when compiling vim but I cant seem to get it right. I'm using homebrew to install with the following script:
brew install vim --override-system-vim --with-python3
It installs vim however when i check the version, python3 is still not supporte... |
Vim python3 integration on mac | 56,487,676 | 0 | 2 | 3,440 | 0 | macos,python-3.x,vim | This worked for me with the latest OS for mac at this date.
Hope it works for you.
brew install vim python3 | 0 | 1 | 0 | 0 | 2016-01-29T14:29:00.000 | 3 | 0 | false | 35,086,949 | 1 | 0 | 0 | 3 | I'm trying to work out to integrate Python3 into Vim, I know I need to do it when compiling vim but I cant seem to get it right. I'm using homebrew to install with the following script:
brew install vim --override-system-vim --with-python3
It installs vim however when i check the version, python3 is still not supporte... |
Google Cloud Debugger for Python App Engine module says "Deployment revision unknown" | 35,107,768 | 1 | 0 | 147 | 0 | google-app-engine,google-app-engine-python,google-cloud-debugger | It looks like you did everything correctly.
The "Failed to update the snapshot" error shows up when there is some problem on the Cloud Debugger backend. Please contact the Cloud Debugger team through cdbg-feedback@google.com or submit feedback report in Google Developer Console. | 0 | 1 | 0 | 0 | 2016-01-29T17:46:00.000 | 1 | 1.2 | true | 35,090,793 | 0 | 0 | 1 | 1 | I'm trying to get the Google Cloud Debugger to work on my Python App Engine module. I've followed the instructions and:
Connected to my Bitbucket hosted repository.
Generated the source-context.json and source-contexts.json using gcloud preview app gen-repo-info-file
Uploaded using appcfg.py update
However when I try... |
How to run another python file when a python file is finished | 35,123,125 | 2 | 0 | 1,210 | 0 | python,scheduled-tasks | The easiest way is going to be to do this in the shell, not using pure python. Just run python test1.py && python test2.py or python test1.py; python test2.py.
The one with && won't run test2.py if test1 fails while the one using ; will run both regardless. | 0 | 1 | 0 | 0 | 2016-02-01T03:52:00.000 | 3 | 0.132549 | false | 35,122,755 | 1 | 0 | 0 | 1 | For example, I have two python file test1.py and test2.py. At first, test1.py will run. And I want test2.py to be run when the test1.py is finished.
I want the two python files run in different shell. That means test1.py should be closed when it is finished.
All the help is appreciated! Thank you!
I want this task to... |
Fail to scrapyd-deploy | 48,967,865 | 0 | 1 | 1,047 | 0 | python,scrapy,scrapyd | Facing the same issue, the solution was hastened by reviewing scrapyd's error log. The logs are possibly located in the folder /tmp/scrapydeploy-{six random letters}/. Check out stderr. Mine contained a permissions error: IOError: [Errno 13] Permission denied: '/usr/lib/python2.7/site-packages/binary_agilo-1.3.15-py2.7... | 0 | 1 | 0 | 0 | 2016-02-01T07:05:00.000 | 2 | 0 | false | 35,124,720 | 0 | 0 | 1 | 1 | Traceback (most recent call last):
File "/usr/local/bin/scrapyd-deploy", line 273, in
main()
File "/usr/local/bin/scrapyd-deploy", line 95, in main
egg, tmpdir = _build_egg()
File "/usr/local/bin/scrapyd-deploy", line 240, in _build_egg
retry_on_eintr(check_call, [sys.executable, 'setup.py', 'clean', '... |
Jupyter From Cmd Line in Windows | 65,552,980 | 0 | 22 | 60,064 | 0 | cmd,ipython,jupyter | To add Jupyter as the windows CLI Command.
You need to add the "C:\Users\user\AppData\Roaming\Python\Python38\Scripts" into your environment path. This was to solve for me. | 0 | 1 | 0 | 0 | 2016-02-01T15:28:00.000 | 8 | 0 | false | 35,134,225 | 1 | 0 | 0 | 6 | I cannot get jupyter running from my Command line using:
jupyter notebook
jupyter is not recognised as an internal or external command, operable
program or batch file'
But I can get it running from pycharm (slick but with issues). When I take the kernel's IP and Port from pycharm and paste it into my browser I can ... |
Jupyter From Cmd Line in Windows | 61,023,501 | 4 | 22 | 60,064 | 0 | cmd,ipython,jupyter | This is an old question, but try using
python -m notebook
This was the only way I was able to get jupyter to start after installing it on the windows 10 command line using pip. I didn't try touching the path. | 0 | 1 | 0 | 0 | 2016-02-01T15:28:00.000 | 8 | 0.099668 | false | 35,134,225 | 1 | 0 | 0 | 6 | I cannot get jupyter running from my Command line using:
jupyter notebook
jupyter is not recognised as an internal or external command, operable
program or batch file'
But I can get it running from pycharm (slick but with issues). When I take the kernel's IP and Port from pycharm and paste it into my browser I can ... |
Jupyter From Cmd Line in Windows | 49,664,386 | -1 | 22 | 60,064 | 0 | cmd,ipython,jupyter | Go to Anaconda Command Prompt and type jupyter notebook and wait for 30 seconds. You can see that your local host site will automatically open. | 0 | 1 | 0 | 0 | 2016-02-01T15:28:00.000 | 8 | -0.024995 | false | 35,134,225 | 1 | 0 | 0 | 6 | I cannot get jupyter running from my Command line using:
jupyter notebook
jupyter is not recognised as an internal or external command, operable
program or batch file'
But I can get it running from pycharm (slick but with issues). When I take the kernel's IP and Port from pycharm and paste it into my browser I can ... |
Jupyter From Cmd Line in Windows | 44,598,275 | 0 | 22 | 60,064 | 0 | cmd,ipython,jupyter | For future reference: the first hurdle of starting with Python is to install it. I downloaded the Anaconda 4.4 for Windows, Python 3.6 64-bit installer.
After sorting the first hurdle of updating the "path" Environmental Variable, and running (at the Python prompt) "import pip", all the instructions I found to instal... | 0 | 1 | 0 | 0 | 2016-02-01T15:28:00.000 | 8 | 0 | false | 35,134,225 | 1 | 0 | 0 | 6 | I cannot get jupyter running from my Command line using:
jupyter notebook
jupyter is not recognised as an internal or external command, operable
program or batch file'
But I can get it running from pycharm (slick but with issues). When I take the kernel's IP and Port from pycharm and paste it into my browser I can ... |
Jupyter From Cmd Line in Windows | 59,917,360 | 0 | 22 | 60,064 | 0 | cmd,ipython,jupyter | If you use Python 3, try running the command from your virtual environment and or Anaconda command instead of your computer's OS CMD. | 0 | 1 | 0 | 0 | 2016-02-01T15:28:00.000 | 8 | 0 | false | 35,134,225 | 1 | 0 | 0 | 6 | I cannot get jupyter running from my Command line using:
jupyter notebook
jupyter is not recognised as an internal or external command, operable
program or batch file'
But I can get it running from pycharm (slick but with issues). When I take the kernel's IP and Port from pycharm and paste it into my browser I can ... |
Jupyter From Cmd Line in Windows | 48,469,315 | 8 | 22 | 60,064 | 0 | cmd,ipython,jupyter | Try to open it using the Anaconda Prompt. Just type jupyter notebook and press Enter.
Anaconda Prompt has existed for a long time and is the correct way of using Anaconda. May be you have a broken installation somehow.
Try this, if the above doesn't work-
In the Command Prompt type,
pip3 install jupyter if you're usin... | 0 | 1 | 0 | 0 | 2016-02-01T15:28:00.000 | 8 | 1 | false | 35,134,225 | 1 | 0 | 0 | 6 | I cannot get jupyter running from my Command line using:
jupyter notebook
jupyter is not recognised as an internal or external command, operable
program or batch file'
But I can get it running from pycharm (slick but with issues). When I take the kernel's IP and Port from pycharm and paste it into my browser I can ... |
Update strategy Python application + Ember frontend on BeagleBone | 35,147,597 | 0 | 1 | 141 | 0 | python,deployment,updates,beagleboneblack,yocto | A natural strategy would be to make use of the package manager also used for the rest of the system. The various package managers of Linux distributions are not closed systems. You can create your own package repository containing just your application/scripts and add it as a package source on your target. Your "update... | 0 | 1 | 0 | 1 | 2016-02-01T17:02:00.000 | 1 | 0 | false | 35,136,140 | 0 | 0 | 1 | 1 | For the moment I've created an Python web application running on uwsgi with a frontend created in EmberJS. There is also a small python script running that is controlling I/O and serial ports connected to the beaglebone black.
The system is running on debian, packages are managed and installed via ansible, the applicat... |
How to delete a file in a specific folder in Python? | 35,143,988 | 1 | 0 | 2,385 | 0 | python,file,directory | The default folder is your current working directory, likely to be where you started your python interpreter. You can check it by print(os.getcwd()) to display it.
To change the current working directory, you can run os.chdir('C:/MyFolder'), where you can swap C:/MyFolder to any desired path you want. | 0 | 1 | 0 | 0 | 2016-02-02T02:16:00.000 | 1 | 0.197375 | false | 35,143,935 | 1 | 0 | 0 | 1 | I know you can use os.remove(myfile) to delete files. But what is the default folder location of this file? How do I change the folder directory? |
Convert python script to dmg program from windows | 35,152,961 | 0 | 3 | 7,803 | 0 | python,ios,py2exe | Use www.pyinstaller.org
This piece of software makes executables from python scrips for Windows, Linux and OSX. | 0 | 1 | 0 | 0 | 2016-02-02T11:46:00.000 | 2 | 0 | false | 35,152,616 | 0 | 0 | 0 | 1 | I have a Python script I would like to transform into an executable for Windows and a dmg file to be run on Apple computers. For the Windows systems I have found py2exe (only valid for Windows) and for the Apple ones py2app (it can only be run on Io systems).
My question is whether there is some way to create a dmg fil... |
How to install a second/third/python on my system? | 35,175,640 | 0 | 1 | 49 | 0 | python,packaging,software-distribution,software-packaging | I use
virtualenv for multiple Python installations
setuptools for packaging (via pip) | 0 | 1 | 0 | 0 | 2016-02-03T11:01:00.000 | 3 | 0 | false | 35,175,209 | 1 | 0 | 0 | 1 | How can I install (on Linux) a plain Python distribution to e.g. /opt/myPythonProject/python? When I afterwards install packages (e.g. pip) all packages should go in /opt/myPythonProject. It should simply ignore system python and it's packages.
My ultimate goal is to place my own code in /opt/myPythonProject/mycode, t... |
Creating Contingency Solution Output File for PSS/E using Python 2.7 | 36,043,728 | 0 | 1 | 1,112 | 0 | python,python-2.7 | @Magalhaes, the auxiliary files *.sub, *.mon and *.con are input files. You have to write them; PSSE doesn't generate them. Your recording shows that you defined a bus subsystem twice, generated a *.dfx from existing auxiliary files, ran an AC contingency solution, then generated an *.acc report. So when you did thi... | 0 | 1 | 0 | 0 | 2016-02-03T17:16:00.000 | 1 | 1.2 | true | 35,183,538 | 0 | 1 | 0 | 1 | I'm using python to interact with PSS/E (siemens software) and I'm trying to create *.acc file for pss/e, from python. I can do this easily using pss/e itself:
1 - create *.sub, *.mon, *.con files
2 - create respective *.dfx file
3 - and finally create *.acc file
The idea is to perform all these 3 tasks automatically, ... |
How to check whether or not a python script is up? | 35,202,372 | 1 | 0 | 270 | 0 | python,linux,python-3.x | You can use
runit
supervisor
monit
systemd (i think)
Do not hack this with a script | 0 | 1 | 0 | 1 | 2016-02-04T13:23:00.000 | 5 | 0.039979 | false | 35,202,184 | 0 | 0 | 0 | 3 | I want to make sure my python script is always running, 24/7. It's on a Linux server. If the script crashes I'll restart it via cron.
Is there any way to check whether or not it's running? |
How to check whether or not a python script is up? | 35,202,314 | 1 | 0 | 270 | 0 | python,linux,python-3.x | Create a script (say check_process.sh) which will
Find the process id for your python script by using ps command.
Save it in a variable say pid
Create an infinite loop. Inside it, search for your process. If found then sleep for 30 or 60 seconds and check again.
If pid not found, then exit the loop and send mail to y... | 0 | 1 | 0 | 1 | 2016-02-04T13:23:00.000 | 5 | 0.039979 | false | 35,202,184 | 0 | 0 | 0 | 3 | I want to make sure my python script is always running, 24/7. It's on a Linux server. If the script crashes I'll restart it via cron.
Is there any way to check whether or not it's running? |
How to check whether or not a python script is up? | 35,202,268 | 1 | 0 | 270 | 0 | python,linux,python-3.x | Try this and enter your script name.
ps aux | grep SCRIPT_NAME | 0 | 1 | 0 | 1 | 2016-02-04T13:23:00.000 | 5 | 0.039979 | false | 35,202,184 | 0 | 0 | 0 | 3 | I want to make sure my python script is always running, 24/7. It's on a Linux server. If the script crashes I'll restart it via cron.
Is there any way to check whether or not it's running? |
Python shell is open but not .py file? | 35,233,580 | 0 | 0 | 88 | 0 | python,shell,python-idle | When you double click on a .py file, it will run it using the Python Interpreter. You can right-click on the file instead and choose to open it in IDLE. | 0 | 1 | 0 | 0 | 2016-02-05T21:01:00.000 | 1 | 0 | false | 35,233,419 | 1 | 0 | 0 | 1 | I am using python 3.4.2 IDLE on windows.
When I open the IDLE shell and then open .py file, then it works,
but when I try to open the .py file by double cliking, it just doesn't open, or proceed anything. Looks like as if nothing has happened.
I would like to open .py file and then just press F5 to see what is going o... |
Is there a better way to control gdb other than using command-line tools/libraries such as pexpect in python? | 35,244,385 | 0 | 0 | 137 | 0 | python,multithreading,gdb,pexpect | I found a library called python-ptrace, it seems working for now(with a few problems I never faced while using gdb). | 0 | 1 | 0 | 0 | 2016-02-05T23:05:00.000 | 2 | 0 | false | 35,235,049 | 1 | 0 | 0 | 2 | I'm trying to develop a program that uses gdb for it's basic debugging purposes. It executes the gdb from the command line, attaches to the target process and gives some specific commands, then reads the std output. Everything seemed good on paper at first so I started out with python and pexpect. But recently, while t... |
Is there a better way to control gdb other than using command-line tools/libraries such as pexpect in python? | 35,245,056 | 1 | 0 | 137 | 0 | python,multithreading,gdb,pexpect | There are two main ways to script gdb.
One way is to use the gdb MI ("Machine Interface") protocol. This is a specialized input and output mode that gdb has that is intended for programmatic use. It has some warts but is "usable enough" - it is what most of the gdb GUIs use.
The other way to do this is to write Pytho... | 0 | 1 | 0 | 0 | 2016-02-05T23:05:00.000 | 2 | 1.2 | true | 35,235,049 | 1 | 0 | 0 | 2 | I'm trying to develop a program that uses gdb for it's basic debugging purposes. It executes the gdb from the command line, attaches to the target process and gives some specific commands, then reads the std output. Everything seemed good on paper at first so I started out with python and pexpect. But recently, while t... |
Conda command not found | 70,835,470 | 0 | 135 | 435,658 | 0 | python,zsh,anaconda,miniconda | I have encountered this problem lately and I have found a solution that worked for me. It is possible that your current user might not have permissions to anaconda directory, so check if you can read/write there, and if not, then change the files owner by using chown. | 0 | 1 | 0 | 0 | 2016-02-06T20:58:00.000 | 21 | 0 | false | 35,246,386 | 1 | 0 | 0 | 8 | I've installed Miniconda and have added the environment variable export PATH="/home/username/miniconda3/bin:$PATH" to my .bashrc and .bash_profile but still can't run any conda commands in my terminal.
Am I missing another step in my setup? I'm using zsh by the way. |
Conda command not found | 66,254,477 | 1 | 135 | 435,658 | 0 | python,zsh,anaconda,miniconda | export PATH="~/anaconda3/bin":$PATH | 0 | 1 | 0 | 0 | 2016-02-06T20:58:00.000 | 21 | 0.009524 | false | 35,246,386 | 1 | 0 | 0 | 8 | I've installed Miniconda and have added the environment variable export PATH="/home/username/miniconda3/bin:$PATH" to my .bashrc and .bash_profile but still can't run any conda commands in my terminal.
Am I missing another step in my setup? I'm using zsh by the way. |
Conda command not found | 51,863,203 | 5 | 135 | 435,658 | 0 | python,zsh,anaconda,miniconda | I had the same issue. I just closed and reopened the terminal, and it worked. That was because I installed anaconda with the terminal open. | 0 | 1 | 0 | 0 | 2016-02-06T20:58:00.000 | 21 | 0.047583 | false | 35,246,386 | 1 | 0 | 0 | 8 | I've installed Miniconda and have added the environment variable export PATH="/home/username/miniconda3/bin:$PATH" to my .bashrc and .bash_profile but still can't run any conda commands in my terminal.
Am I missing another step in my setup? I'm using zsh by the way. |
Conda command not found | 67,916,328 | 1 | 135 | 435,658 | 0 | python,zsh,anaconda,miniconda | It can be a silly mistake, make sure that you use anaconda3 instead of anaconda in the export path if you installed so. | 0 | 1 | 0 | 0 | 2016-02-06T20:58:00.000 | 21 | 0.009524 | false | 35,246,386 | 1 | 0 | 0 | 8 | I've installed Miniconda and have added the environment variable export PATH="/home/username/miniconda3/bin:$PATH" to my .bashrc and .bash_profile but still can't run any conda commands in my terminal.
Am I missing another step in my setup? I'm using zsh by the way. |
Conda command not found | 70,267,089 | 0 | 135 | 435,658 | 0 | python,zsh,anaconda,miniconda | This worked for me on CentOS and miniconda3. Find out which shell you are using
echo $0
conda init bash (could be conda init zsh if you are using zsh, etc.) - this adds a path to ~/.bashrc
Reload command line
sourc ~/.bashrc OR . ~/.bashrc | 0 | 1 | 0 | 0 | 2016-02-06T20:58:00.000 | 21 | 0 | false | 35,246,386 | 1 | 0 | 0 | 8 | I've installed Miniconda and have added the environment variable export PATH="/home/username/miniconda3/bin:$PATH" to my .bashrc and .bash_profile but still can't run any conda commands in my terminal.
Am I missing another step in my setup? I'm using zsh by the way. |
Conda command not found | 65,051,111 | -1 | 135 | 435,658 | 0 | python,zsh,anaconda,miniconda | MacOSX: cd /Users/USER_NAME/anaconda3/bin && ./activate | 0 | 1 | 0 | 0 | 2016-02-06T20:58:00.000 | 21 | -0.009524 | false | 35,246,386 | 1 | 0 | 0 | 8 | I've installed Miniconda and have added the environment variable export PATH="/home/username/miniconda3/bin:$PATH" to my .bashrc and .bash_profile but still can't run any conda commands in my terminal.
Am I missing another step in my setup? I'm using zsh by the way. |
Conda command not found | 44,342,045 | 28 | 135 | 435,658 | 0 | python,zsh,anaconda,miniconda | Maybe you need to execute "source ~/.bashrc" | 0 | 1 | 0 | 0 | 2016-02-06T20:58:00.000 | 21 | 1 | false | 35,246,386 | 1 | 0 | 0 | 8 | I've installed Miniconda and have added the environment variable export PATH="/home/username/miniconda3/bin:$PATH" to my .bashrc and .bash_profile but still can't run any conda commands in my terminal.
Am I missing another step in my setup? I'm using zsh by the way. |
Conda command not found | 46,866,740 | 23 | 135 | 435,658 | 0 | python,zsh,anaconda,miniconda | Sometimes, if you don't restart your terminal after you have installed anaconda also, it gives this error.
Close your terminal window and restart it.
It worked for me now! | 0 | 1 | 0 | 0 | 2016-02-06T20:58:00.000 | 21 | 1 | false | 35,246,386 | 1 | 0 | 0 | 8 | I've installed Miniconda and have added the environment variable export PATH="/home/username/miniconda3/bin:$PATH" to my .bashrc and .bash_profile but still can't run any conda commands in my terminal.
Am I missing another step in my setup? I'm using zsh by the way. |
Why do chat applications have to be asynchronous? | 35,250,150 | 2 | 3 | 1,314 | 0 | python,django,chat,tornado | You certainly can develop a synchronous chat app, you don't necessarily need to us an asynchronous framework. but it all comes down to what do you want your app to do? how many people will use the app? will there be multiple users and multiple chats going on at the same time? | 0 | 1 | 0 | 0 | 2016-02-07T04:29:00.000 | 3 | 0.132549 | false | 35,249,741 | 0 | 0 | 1 | 1 | I need to implement a chat application for my web service (that is written in Django + Rest api framework). After doing some google search, I found that Django chat applications that are available are all deprecated and not supported anymore. And all the DIY (do it yourself) solutions I found are using Tornado or Twist... |
I cannot find python35_d.lib | 36,926,551 | 12 | 4 | 4,011 | 0 | c,python-3.x | Maybe a little too late, but I found a work around for the missing 'python3x_d.lib' : When installing the python with pythoninstaller.exe, choose the advanced setup options in the first command window of the installation wizard, there choose the option "download debug binaries", then the file python3x_d.lib is automati... | 1 | 1 | 0 | 0 | 2016-02-07T05:43:00.000 | 1 | 1 | false | 35,250,175 | 0 | 0 | 0 | 1 | I have downloaded the 3.5 version of python on my windows 7 home premium computer with version 6.1 software. I wish to use a C main program with python library extensions. I have aded the path to the include folder and the library folder to the dev studio c-compiler. I am testing with the supplied test program that pri... |
Is is possible to select clang for compiling CPython extensions on Linux? | 35,265,868 | 0 | 3 | 189 | 0 | clang,cpython | There is a environment variable for that.
CC=clang python setup.py build
Both of compiled binaries are compatible with CPython | 0 | 1 | 0 | 1 | 2016-02-08T01:14:00.000 | 1 | 1.2 | true | 35,261,188 | 0 | 0 | 0 | 1 | All's in the title: I'd like to try using clang for compiling a C extension module for CPython on Linux (CPython comes from the distro repositories, and is built with gcc).
Do distutils/setuptools support this?
Does the fact that CPython and the extension are built with two different compilers matter?
Thanks. |
Python: Command line arguments not read? | 35,276,219 | 5 | 1 | 425 | 0 | python,command-line,sys | Are you using a shell? $ is a special character in the shell that is interpreted as a shell variable. Since the variable does not exist, it is textually substituted with an empty string.
Try using single quotes around your parameter, like > python myapp.py '$unny-Day'. | 0 | 1 | 0 | 0 | 2016-02-08T17:57:00.000 | 1 | 1.2 | true | 35,276,163 | 1 | 0 | 0 | 1 | I'm trying to read command line arguments in python in the form:
python myprogram.py string string string
I have tried using sys.argv[1-3] to get each string, but when I have a string such as $unny-Day, it does not process the entire string. How can I process strings like these entirely? |
When/how does Python use PYTHONPATH | 35,276,882 | 0 | 2 | 96 | 0 | python,pythonpath,sys.path | It always uses PYTHONPATH. What happened is probably that you quit python, but didn't quit your console/command shell. For that shell, the environment that was set when the shell was started still applies, and hence, there's no PYTHONPATH set. | 0 | 1 | 0 | 0 | 2016-02-08T18:36:00.000 | 1 | 0 | false | 35,276,844 | 1 | 0 | 0 | 1 | I'm having some trouble understanding how Python uses the PYTHONPATH environment variable. According to the documentation, the import search path (sys.path) is "Initialized from the environment variable PYTHONPATH, plus an installation-dependent default."
In a Windows command box, I started Python (v.2.7.6) and printed... |
Why does not os.system("cd mydir") work and we have to use os.chdir("mydir") instead in python? | 35,277,184 | 6 | 5 | 7,672 | 0 | python,sys | os.system (which is just a thin wrapper around the POSIX system call) runs the command in a shell launched as a child of the current process. Running a cd in that shell only changes the current directory of that process, not the parent. | 0 | 1 | 0 | 0 | 2016-02-08T18:56:00.000 | 3 | 1 | false | 35,277,128 | 0 | 0 | 0 | 3 | I tried doing a "pwd" or cwd, after the cd, it does not seem to work when we use os.system("cd"). Is there something going on with the way the child processes are created. This is all under Linux. |
Why does not os.system("cd mydir") work and we have to use os.chdir("mydir") instead in python? | 35,277,168 | 12 | 5 | 7,672 | 0 | python,sys | os.system('cd foo') runs /bin/sh -c "cd foo"
This does work: It launches a new shell, changes that shell's current working directory into foo, and then allows that shell to exit when it reaches the end of the script it was called with.
However, if you want to change the directory of your current process, as opposed to ... | 0 | 1 | 0 | 0 | 2016-02-08T18:56:00.000 | 3 | 1 | false | 35,277,128 | 0 | 0 | 0 | 3 | I tried doing a "pwd" or cwd, after the cd, it does not seem to work when we use os.system("cd"). Is there something going on with the way the child processes are created. This is all under Linux. |
Why does not os.system("cd mydir") work and we have to use os.chdir("mydir") instead in python? | 35,277,171 | 9 | 5 | 7,672 | 0 | python,sys | The system call creates a new process. If you do system("cd .., you are creating a new process that then changes its own current working directory and terminates. It would be quite surprising if a child process changing its current working directory magically changed its parent's current working directory. A system whe... | 0 | 1 | 0 | 0 | 2016-02-08T18:56:00.000 | 3 | 1.2 | true | 35,277,128 | 0 | 0 | 0 | 3 | I tried doing a "pwd" or cwd, after the cd, it does not seem to work when we use os.system("cd"). Is there something going on with the way the child processes are created. This is all under Linux. |
iGraph install error with Python Anywhere | 35,338,580 | 0 | 0 | 118 | 0 | igraph,pythonanywhere | python-igraph installed perfectly fine in my account. My guess is that you're facing a different issue to a missing library. Perhaps a network error or something like that. | 0 | 1 | 0 | 1 | 2016-02-08T19:47:00.000 | 1 | 0 | false | 35,278,050 | 0 | 0 | 0 | 1 | I'm trying to run a web app (built with flask-wtforms and using iGraph) on Pythonanywhere. As igraph isn't part of the already inculded modules, I try and install it using the bash console, as such:
pip install --user python-igraph
How ever, what I get is:
Could not download and compile the C core of igraph.
It usu... |
Why is mac OS X killing python? | 35,303,065 | 0 | 1 | 493 | 0 | python,macos | This seems to be fixed in TODAY's beta release: 15E39d | 0 | 1 | 0 | 1 | 2016-02-09T01:13:00.000 | 1 | 0 | false | 35,282,336 | 0 | 0 | 0 | 1 | I can no longer run python on my mac. Upgraded to mac OS X 10.11.4 Beta and now if I run python it gets killed.
$python
Killed: 9
the system log shows:
taskgated[396]: killed pid 954 because its code signature is invalid (error -67030) |
Google App Engine - Is it necessary to call self.response in handler? | 35,283,754 | 8 | 3 | 311 | 0 | python,google-app-engine | When your handler ends, the response goes to the client -- if you've never written anything to the response, then it will be an empty response (should come with an HTTP 204 status, but browsers are notoriously resigned to broken servers like the one you're apparently planning to create:-).
Nothing about this will cause... | 0 | 1 | 0 | 0 | 2016-02-09T02:29:00.000 | 1 | 1.2 | true | 35,282,924 | 0 | 0 | 1 | 1 | I'm developing with GAE Python. If I have a URL that routes to a handler, is it necessary to actually call self.response.out.write or self.render(if I'm using a template)?
I'm thinking if I don't specify a response.out call, then the instance GAE creates to handle that request will stay alive so to speak indefinitely? |
Should I spawn one thread per disk writing operation? | 35,283,833 | 0 | 0 | 37 | 0 | multithreading,python-3.x,python-multithreading | There's no point. Disk write operations aren't blocking anyway, so there's no point in creating many threads just to perform them. | 0 | 1 | 0 | 0 | 2016-02-09T04:18:00.000 | 1 | 1.2 | true | 35,283,799 | 1 | 0 | 0 | 1 | I am making a crawler to download some images extensively and I want to speed up by using thread (I'm new to multithreading). I am not sure about the inner mechanism behind disk writing operation. Can I write different files to disk simultaneously using thread? (does the writing get scheduled automatically?) Or should ... |
Script on a web server that establishes a lot of parallel SSH connections, which approach is better? | 35,316,821 | 0 | 0 | 51 | 0 | python,linux,bash,ssh,parallel-processing | For creating lots of parallel SSH connections there is already a tool called pssh. You should use that instead.
But if we're really talking about 100 machines or more, you should really use a dedicated cluster management and automation tool such as Salt, Ansible, Puppet or Chef. | 0 | 1 | 1 | 1 | 2016-02-10T05:52:00.000 | 1 | 0 | false | 35,307,829 | 0 | 0 | 0 | 1 | I am writing a script in Python that establishes more than 100 parallel SSH connections, starts a script on each machine (the output is 10-50 lines), then waits for the results of the bash script and processes it. However it is run on a web server and I don't know, whether it would be better to first store the output i... |
How to run python script which require sudoer | 35,309,692 | 0 | 0 | 501 | 0 | php,python,apache | I see no security issue with giving www-data the sudo right for a single restart command without any wildcards.
If you want to avoid using sudo at all, you can create a temporary file with php, and poll for this file from a shell script executed by root regularly.
But this may be more error prown, and leads to the same... | 0 | 1 | 0 | 1 | 2016-02-10T07:44:00.000 | 2 | 1.2 | true | 35,309,463 | 0 | 0 | 0 | 2 | I have a a requirement to stop/start some service using sudo service stop/start using python script. The script will be called by a webpage php code on server side running apache webserver.
One way I know is to give www-data sudoer permission to run the specific python script.
Is there other way without giving www-da... |
How to run python script which require sudoer | 35,310,045 | 0 | 0 | 501 | 0 | php,python,apache | You can run a python thread that listens to a stop/start request, and then this thread will stop/start the service. The thread should run as sudo, but it listens to tcp. The web server can send requests w/o any special permissions (SocketServer is a very simple out-of-the-box python tcp server).
You may want to add som... | 0 | 1 | 0 | 1 | 2016-02-10T07:44:00.000 | 2 | 0 | false | 35,309,463 | 0 | 0 | 0 | 2 | I have a a requirement to stop/start some service using sudo service stop/start using python script. The script will be called by a webpage php code on server side running apache webserver.
One way I know is to give www-data sudoer permission to run the specific python script.
Is there other way without giving www-da... |
Invensense Motion Driver 6.12 STM32 demo python don't work | 38,325,794 | -1 | 0 | 733 | 0 | python,stm32,discovery | which type of Invensense chip you are using?
I think you need to check if you use the right COM Port in windows.
Check if you could get data from your MPUxxxx Board through I2C
Check log_stm32.c if this function work well fputc(out[i]); | 1 | 1 | 0 | 0 | 2016-02-10T11:30:00.000 | 2 | -0.099668 | false | 35,313,998 | 0 | 0 | 0 | 1 | I am trying to run the Invensense motion_driver_6.12. I compiled the code with IAR and the STM32 works ok - all the test I've done with the board are ok: UART, I2C.. etc. But when I run the python client demo program "eMPL-client-py" the program shows only one empty black window and nothing occurs. I tried to run first... |
Storing unstructured data with ramses to be searched with Ramses-API? | 35,405,127 | 0 | 1 | 95 | 0 | python,json,elasticsearch | This is Chrisses answer, copied from gitter.im:
You can use the dict field type for "unstructured data", as it takes arbitrary json. If the db engine is postgres, it uses jsonfield under the hood, and if the db engine is mongo, it's converted to a bson document as usual. Either way it should index automatically as expe... | 0 | 1 | 0 | 0 | 2016-02-10T15:13:00.000 | 2 | 1.2 | true | 35,318,866 | 0 | 0 | 1 | 1 | I would like to give my users the possibility to store unstructured data in JSON-Format, alongside the structured data, via an API generated with Ramses.
Since the data is made available via Elasticsearch, I try to achieve that this data is indexed and searchable, too.
I can't find any mentioning in the docs or searchi... |
Start Python in Background | 35,335,984 | 1 | 0 | 219 | 0 | python,windows,focus | Running with pythonw (or changing extension to .pyw which is the same) may help.
pythonw.exe doesn't create a console window but I dunno about focus. It doesn't create any windows by default, either, so it shouldn't steal it. | 0 | 1 | 0 | 0 | 2016-02-11T09:49:00.000 | 1 | 0.197375 | false | 35,335,781 | 1 | 0 | 0 | 1 | So I have uTorrent set up to run a Python script when a torrent's state is changed so it can sort it. It all works fine except it takes focus from whatever I'm doing and it's crazy annoying.
I run it using sorter.py <arguments>. I'm on Windows 10. What can I do, if anything, to get this to run in the background and not... |
Run Alembic migrations on Google App Engine | 35,395,267 | 1 | 8 | 1,816 | 1 | python,google-app-engine,flask,google-cloud-sql,alembic | You can whitelist the ip of your local machine for the Google Cloud SQL instance, then you run the script on your local machine. | 0 | 1 | 0 | 0 | 2016-02-14T11:17:00.000 | 3 | 0.066568 | false | 35,391,120 | 0 | 0 | 1 | 1 | I have a Flask app that uses SQLAlchemy (Flask-SQLAlchemy) and Alembic (Flask-Migrate). The app runs on Google App Engine. I want to use Google Cloud SQL.
On my machine, I run python manage.py db upgrade to run my migrations against my local database. Since GAE does not allow arbitrary shell commands to be run, how d... |
Using Tkinter with Openshift | 35,442,172 | 0 | 0 | 105 | 0 | python,openshift | Bryan has answered the question. Tkinter will not work with WSGI. A web framework such as Django must be used. | 1 | 1 | 0 | 0 | 2016-02-14T19:01:00.000 | 1 | 1.2 | true | 35,395,843 | 0 | 0 | 0 | 1 | I would like to deploy a Python3 app that uses tkinter on OpenShift. I added the following to setup.py: install_requires=["Tcl==8.6.4"]. When I ran git push I received the following error:
Could not find suitable distribution for Requirement.parse('Tcl==8.6.4').
Can anyone provide the correct syntax, distribution p... |
GDB cross-compilation for arm | 35,412,607 | 0 | 2 | 1,845 | 0 | python,c++,linux,gdb,arm | You are probably missing library headers (something like python3-dev).
To install it on Ubuntu or similar start by sudo apt-get install python3-dev.
Or if you don't plan to use python scripting in gdb, you can configure with "--without-python".
As far as I can tell you are also not configuring gdb correctly. You can le... | 0 | 1 | 0 | 0 | 2016-02-15T10:56:00.000 | 1 | 0 | false | 35,407,514 | 1 | 0 | 0 | 1 | I want to debug application on devices , i prefer to use gdb(ARM version) than gdb with gdbserver to debug, because there is a dashboard , a visual interface for GDB in Python.
It must cooperation with gdb(ARM version) on devices,so i need to cross compiling a ARM version of gdb with python, the command used shows bel... |
Google App Engine Console shows more entities than I created | 35,578,109 | 1 | 0 | 70 | 0 | python,google-app-engine,google-cloud-datastore,google-console-developer | If you check the little question-mark near the statistics summary it says the following:
Statistics are generated every 24-48 hours. In addition to the kinds used for your entities, statistics also include system kinds, such as those related to metadata. System kinds are not visible in your kinds menu. Note that stati... | 0 | 1 | 0 | 0 | 2016-02-16T02:14:00.000 | 1 | 0.197375 | false | 35,422,495 | 0 | 0 | 1 | 1 | I recently deployed my app on GAE.
In my Datastore page of Google Cloud Console, in the Dashboard Summary, it shows that I have 75 entities. However, when I click on the Entities tab, it shows I have 2 entities of one kind and 3 entities of another kind. I remember creating these entities. I'm just curious where the 75... |
Create regular backups from OS X to the cloud | 35,442,348 | 4 | 5 | 35 | 0 | python,django,macos | This is what version control is for. Sign up for an account at Github, Bitbucket, or Gitlab, and push your code there. | 0 | 1 | 0 | 0 | 2016-02-16T18:43:00.000 | 1 | 1.2 | true | 35,440,612 | 0 | 0 | 1 | 1 | I'm developing a Django project on my MacBook Pro. Constantly paranoid that if my house burns down, someone stoling my MB, hard drive failure or another things that are not likely, but catastrophic if it occurs.
How can I create or get automatic backup every 1 hour from my OS X directory where the Django project is to ... |
Running processes in OS X, Find the initiator process | 35,452,078 | 2 | 2 | 81 | 0 | python,c,macos,core-foundation,mach | You can't. Mac OS X does not keep track of this information in the way you're looking for -- opening an application from another application does not establish a relationship of any sort between those applications. | 0 | 1 | 0 | 0 | 2016-02-17T08:37:00.000 | 1 | 1.2 | true | 35,451,564 | 0 | 0 | 0 | 1 | I'd like to create a daemon (base on script or some lower level language) that calculates statistics on all opened applications according to their initiating process. The problem is that the initiating process does not always equivalent to the actual parent process.
For instance, When I press an hyperlink from Microsof... |
Cuckoo sandbox: shows "Configuration details about machine windows_7 are missing" error | 35,478,371 | 1 | 2 | 1,540 | 0 | python,testing,analysis,cuckoo | I was able to fix this issue just by changing the configuration file "virtualbox.conf". in this configuration file it says that the virtual machine as [cuckoo1] (title of the virtual machine configuration).
Since my virtual machine name is "windows_7" i have to change [cuckoo1] to windows_7. That is why cuckoo don't g... | 0 | 1 | 0 | 0 | 2016-02-17T11:08:00.000 | 1 | 1.2 | true | 35,454,970 | 1 | 0 | 0 | 1 | I have installed cuckoo sandbox in ubuntu environment with windows7 32 bit as guest os. I have followed the instructions given in their website.The vm is named windows_7. I have edited the "machine" and "label" field properly in "virtualbox.conf".
But when I try to start the cuckoo executing "sudo python cuckoo.py" it... |
Wing IDE not stopping at break point for Google App Engine | 35,457,609 | 2 | 2 | 544 | 0 | python,google-app-engine,debugging,breakpoints | As often happens with these things, writing this question gave me a couple of ideas to try. I was using the Personal edition ... so I downloaded the professional edition ... and it all worked fine.
Looks like I'm paying $95 instead of $45 when the 30 day trial runs out. | 0 | 1 | 0 | 0 | 2016-02-17T12:52:00.000 | 2 | 0.197375 | false | 35,457,300 | 0 | 0 | 1 | 2 | I'm new to Python, Wing IDE and Google cloud apps.
I've been trying to get Wing IDE to stop at a breakpoint on the local (Windows 7) Google App Engine. I'm using the canned guestbook demo app and it launches fine and responds as expected in the web browser.
However breakpoints are not working. I'm not sure if this is i... |
Wing IDE not stopping at break point for Google App Engine | 42,961,127 | 5 | 2 | 544 | 0 | python,google-app-engine,debugging,breakpoints | I have copied the wingdbstub.py file (from debugger packages of Wing ide) to the folder I am currently running my project on and used 'import wingdbstub' & initiated the debug process. All went well, I can now debug modules. | 0 | 1 | 0 | 0 | 2016-02-17T12:52:00.000 | 2 | 0.462117 | false | 35,457,300 | 0 | 0 | 1 | 2 | I'm new to Python, Wing IDE and Google cloud apps.
I've been trying to get Wing IDE to stop at a breakpoint on the local (Windows 7) Google App Engine. I'm using the canned guestbook demo app and it launches fine and responds as expected in the web browser.
However breakpoints are not working. I'm not sure if this is i... |
Python requests vs java webservices | 35,458,539 | 0 | 0 | 254 | 0 | java,python,web-services,python-requests,legacy | Maybe you could add a man-in-the-middle. A socket server who gets the unix strings, parse them into a sys-2 type of message and send it to sys-2. That could be an option to not re-write all calls between the two systems. | 0 | 1 | 0 | 0 | 2016-02-17T13:03:00.000 | 2 | 0 | false | 35,457,531 | 0 | 0 | 1 | 2 | I have a legacy web application sys-1 written in cgi that currently uses a TCP socket connection to communicated with another system sys-2. Sys-1 sends out the data in the form a unix string. Now sys-2 is upgrading to java web service which in turn requires us to upgrade. Is there any way to upgrade involving minimal c... |
Python requests vs java webservices | 35,458,442 | 0 | 0 | 254 | 0 | java,python,web-services,python-requests,legacy | Is there any way to upgrade involving minimal changes to the existing legacy code.
The solution mentioned, adding a conversion layer outside of the application, would have the least impact on the existing code base (in that it does not change the existing code base).
Can anyone advise if this method works
Would writ... | 0 | 1 | 0 | 0 | 2016-02-17T13:03:00.000 | 2 | 1.2 | true | 35,457,531 | 0 | 0 | 1 | 2 | I have a legacy web application sys-1 written in cgi that currently uses a TCP socket connection to communicated with another system sys-2. Sys-1 sends out the data in the form a unix string. Now sys-2 is upgrading to java web service which in turn requires us to upgrade. Is there any way to upgrade involving minimal c... |
Qt Creator failed to start gdb in latest openSUSE | 35,525,248 | 0 | 1 | 116 | 0 | python,debugging,gdb,qt-creator,opensuse | Works fine if "Run in terminal" unchecked or terminal changed back from konsole to xterm (works in konsole previously - weird). | 0 | 1 | 0 | 0 | 2016-02-17T15:09:00.000 | 1 | 1.2 | true | 35,460,433 | 0 | 0 | 0 | 1 | See that when trying to debug my program in Qt Creator "Application Output" pane:
Debugging starts
Debugging has failed
Debugging has finished
Or freezes after
Debugging starts
Was able to run previously. Any way to fix this or to discover the problem?
Qt Creator 3.5.1, gcc 4.8.5, gdb 7.9.1, Python 2.7.9
P.S.... |
How to find the name of a process spawned by Python? | 35,463,485 | 0 | 2 | 155 | 0 | python,linux,process | Would running a filter in htop be quick enough?
Run htop, Press F5 to enter tree mode, then F4 to filter, and type in python... it should show all the python processes as they open/close | 0 | 1 | 0 | 1 | 2016-02-17T16:59:00.000 | 1 | 0 | false | 35,463,019 | 0 | 0 | 0 | 1 | I am on Linux and wish to find the process spawned by a Python command.
Example: shutil.copyfile.
How do I do so?
Generally I have just read the processes from the terminal with ps however this command completes nearly instantaneously so I cannot do that for this without some lucky timing.
htop doesn't show the info... |
Intelhex - import error - macOSX Terminal | 35,464,530 | 0 | 0 | 1,912 | 0 | python,macos,import,terminal | That error means that there is no 'intelhex' on your Python path. The contents of /usr/local/bin should not matter (those are executable files but are not the Python modules). Are you sure that you installed the package and are loading it from the same Python site packages location you installed it to? | 0 | 1 | 0 | 0 | 2016-02-17T17:51:00.000 | 1 | 1.2 | true | 35,464,113 | 1 | 0 | 0 | 1 | I am using the terminal on a MacBook Pro.
Trying to use intelhex in my code. I have downloaded intelhex using
sudo pip install intelhex
Success
pip list
shows intelhex installed
run my code and receive this error:
Traceback (most recent call last):
File "./myCode.py", line 20, in
from intelhex import I... |
RethinkDB clients connection failover between proxies | 35,513,048 | 0 | 0 | 102 | 0 | python,client,rethinkdb,failover,rethinkdb-python | Below is my opinion on how I setup thing.
When the local proxy crashes, they should restart by using a process monitor like systemd.
I don't use RethinkDB local proxy. I used HAProxy runs in TCP mode locally on every app server, to forward to RethinkDB. I used Consul Template so that when a RethinkDB node join cluster... | 0 | 1 | 0 | 0 | 2016-02-18T22:00:00.000 | 1 | 0 | false | 35,493,291 | 0 | 0 | 0 | 1 | I have:
4 servers running a single RethinkDB instance in cluster (4 shards / 3 replicas tables)
2 application servers (tornado + RethinkDB proxy)
The clients connect only to their local proxy.
How to specify both the local + the other proxy so that the clients could fail over to the other proxies when their local pr... |
Diagnosing memory leak from Windows DLL accessed in Python with ctypes | 35,613,787 | 0 | 0 | 217 | 0 | python,dll,memory-leaks,ctypes,dllexport | I ended up writing a program in C without dynamic memory allocation to test the library. The leak is indeed in one of the functions I'm calling, not the Python program. | 0 | 1 | 0 | 0 | 2016-02-19T01:07:00.000 | 1 | 1.2 | true | 35,495,530 | 0 | 0 | 0 | 1 | I've written an abstraction layer in Python for a piece of commercial software that has an API used for accessing the database back end. The API is exposed via a Windows DLL, and my library is written in Python.
My Python package loads the necessary libraries provided by the application, initializes them, and creates a... |
Using Microsoft Azure to run "a bunch of Python scripts on demand" | 35,508,696 | 0 | 0 | 634 | 0 | python,azure,queue | One possible strategy could be to use Webjobs. Webjobs can execute Python scripts and run on a schedule. Let's say that you run a Webjob every 5 minutes, the Python script can pool the queue, do some processing and post the results back to you API. | 0 | 1 | 0 | 0 | 2016-02-19T14:32:00.000 | 2 | 0 | false | 35,507,732 | 1 | 0 | 0 | 1 | I'm trying to define an architecture where multiple Python scripts need to be run in parallel and on demand. Imagine the following setup:
script requestors (web API) -> Service Bus queue -> script execution -> result posted back to script requestor
To this end, the script requestor places a script request message on th... |
How to create setup/installer for my Python project which has dependencies? | 35,509,182 | 1 | 3 | 137 | 0 | python,linux | Look at
setuptools
distutils
These are classical tools for python packaging | 0 | 1 | 0 | 0 | 2016-02-19T15:35:00.000 | 1 | 0.197375 | false | 35,509,019 | 1 | 0 | 0 | 1 | I have created a simple software with GUI. It has several source files. I can run the project in my editor. I think it is ready for the 1.0 release. But I don't know how to create a setup/installer for my software.
The source is in python. Environment is Linux(Ubuntu). I used an external library which does not come wit... |
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