I run at a cloned Django repository
python manage.py runserver
I get
Traceback (most recent call last):
File "manage.py", line 2, in <module>
from django.core.management import execute_manager
ImportError: No module named django.core.management
The problem is in my PYTHONPATH according to MacPorts' IRC.
I run
ls -l $(which python)
I get
lrwxr-xr-x 1 root wheel 68B Jan 29 12:27 /usr/local/bin/python -> ../../../Library/Frameworks/Python.framework/Versions/2.6/bin/python
This command suggests according to krunk that my PATHs are incorrect: /opt/local/... should be before /usr/local/...
However, I am not sure what he means.
My PYTHONPATH in ~/.zshrc is
export PYTHONPATH=/opt/local/Library/Frameworks/Python.framework/Versions/2.6/:$HOME/.python_libraries:
where /opt/local/... is the first PATH as krunk suggests.
I run
which $PYTHONPATH
/opt/local/Library/Frameworks/Python.framework/Versions/2.6/:/Users/Sam/.python_libraries: not found
My PYTHONPATH has something wrong: apparently the /opt/locall/... is not right.
How can you get the PYTHONPATH correct?
Your problem is not with PYTHONPATH, it's with PATH itself -- echo $PATH to see it, export PATH=whatever to change it (you can do that in your ~/.bashrc for example).
You'll see that in your current PATH /usr/local/bin comes before /opt/local/bin -- you need to swap them if you want python to be running from your MacPorts. Alternatively, of course, you can choose to explicitly run /opt/local/bin/python ...
I would recommend not using macports, and install Python using Jesse Noller's instructions at http://jessenoller.com/2009/03/16/so-you-want-to-use-python-on-the-mac/
His instructions assume Bash, but should work the same for zsh.
Related
I'm trying to install scimath 4.1.2 with pip 2.7.14 to a custom directory. There are two dependencies, that I have installed in a higher version than probably needed (but it's impossible to downgrade those):
numpy==1.9.3
matplotlib==2.0.2
Now, I'm getting the following error when trying to install scimath:
Processing /backup/pip/packages/scimath-4.1.2.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "", line 1, in
File "/tmp/pip-req-build-QUsQtn/setup.py", line 9, in
import numpy.distutils.core
ImportError: No module named numpy.distutils.core
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-req-build-QUsQtn/
I'm not sure how I can solve this problem.
The solution was quite simple and embarrassing: I forgot to export PYTHONPATH before running pip. With that variable, it was working.
I have Python 2.7 operating correctly on Windows. I installed 2.6 in another folder. However, when I run 2.6 in IDLE or PowerShell, it does not recognize basic commands and cannot import installed libraries. Whenever I launch 2.6, the first thing that comes up is:
'import site' failed; use -v for traceback
I can't find anything on this error aside from some mentions with specific libraries. Trying again using -v suggests 2.6 is pulling libraries from 2.7 which is causing some of the errors.
It then launches, but doesn't recognize installed libraries. For example:
import numpy
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named numpy
Similarly, simple commands like quit() or help result in:
Traceback (most recent call last): File "", line 1, in
NameError: name 'help' is not defined
I have tried reinstalling 2.6 and double-checked the registries are pointing to the right places. Virtualenv can't seem to run it either, so I'd like a solution that doesn't involve it...for now.
EDIT:
Running 2.6 with -v starts off like this:
PS C:\python26> python26 -v
installing zipimport hook
import zipimport # builtin
installed zipimport hook
C:\Python27\Lib\site.pyc matches >C:\Python27\Lib\site.py
import site # precompiled from >C:\Python27\Lib\site.pyc
For some reason, zipimport is pulling from 2.7, not 2.6.
I found a text_zipimport.py file, but it's beyond me.
Took a while, but I did solve this. When I installed 2.6, it did not add anything to the environment path. I'm working in windows, so here's what I did:
Start -> search for "environment"
Select "Edit environment variables for your account"
Click the variable Path and click Edit
Add "C:\Python26;C:\Python26\Scripts;" to the path
Ok
After that it loads properly.
I'm trying to build and run py-faster-rcnn model on my Ubuntu 16.04.
However, when I run ./tools/demo.py (as stated in the installation guide), I get the following error:
➜ py-faster-rcnn git:(master) ✗ ./tools/demo.py
Traceback (most recent call last):
File "./tools/demo.py", line 18, in <module>
from fast_rcnn.test import im_detect
File "/home/denis/WEB/DeepLearning/py-faster-rcnn/tools/../lib/fast_rcnn/test.py", line 16, in <module>
import caffe
File "/home/denis/WEB/DeepLearning/py-faster-rcnn/tools/../caffe-fast-rcnn/python/caffe/__init__.py", line 1, in <module>
from .pycaffe import Net, SGDSolver, NesterovSolver, AdaGradSolver, RMSPropSolver, AdaDeltaSolver, AdamSolver
File "/home/denis/WEB/DeepLearning/py-faster-rcnn/tools/../caffe-fast-rcnn/python/caffe/pycaffe.py", line 13, in <module>
from ._caffe import Net, SGDSolver, NesterovSolver, AdaGradSolver, \
ImportError: No module named _caffe
Before attempting to install py-faster-rcnn, I've installed Caffe in my ~/code/caffe folder and it seems to work fine:
➜ ~ python
Python 2.7.12 (default, Nov 19 2016, 06:48:10)
[GCC 5.4.0 20160609] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import caffe
>>> print caffe.__version__
1.0.0-rc3
So, if I can import caffe module in python environment, I assume I've installed it successfully.
Here're the commands I've used (from the official guide):
sudo make all
sudo make test
sudo make runtest
sudo make pycaffe
sudo make distribute
Then I've cloned the py-faster-rcnn repository in my ~/WEB/DeepLearning folder.
After that I've followed the installation instructions from the repo:
Clone the repo
cd $FRCN_ROOT/lib && make
cd $FRCN_ROOT/caffe-fast-rcnn
make -j8 && make pycaffe (I didn't run this)
cd $FRCN_ROOT && ./data/scripts/fetch_faster_rcnn_models.sh
cd $FRCN_ROOT && ./tools/demo.py
So, step 4 in the installation guide says I have to build caffe and pycaffe in $FRCN_ROOT/caffe-fast-rcnn folder. The contents of caffe-fast-rcnn folder seem to be identical with the original caffe repository from which I've built Caffe.
So, it seems that I don't need to build caffe again, right? When trying to run the demo, I've skipped the step of building caffe and got the error stated above.
After googling for a while, I've found out that my issue is connected with path environment variables, so below are my path variables in .bashrc:
export LD_LIBRARY_PATH=/usr/local/cuda-8.0/lib64:~/code/caffe/distribute/lib:$LD_LIBRARY_PATH
export CPLUS_INCLUDE_PATH=/usr/include/python2.7
export PYTHONPATH=~/code/caffe/python:$PYTHONPATH
Am I doing something wrong and I have to change my path variables somehow?
Or I really need to build caffe again, but in a caffe-fast-rcnn folder?
And what about this distribute folder I've generated in ~/code/caffe/distribute by running sudo make distribute? Is it of any use? If so, how should I use it? The official documentation is not very clear about it.
A simple, clear and detailed explanation on how to use an already built Caffe framework with other projects like Faster-RCNN would be really helpful.
I struggled with this for a while and then got it working as below.
First, check PYTHONPATH env variable. It should have python path like, for eg. based on your python version and installation
PYTHONPATH = /usr/lib/python2.7
If its empty, you can set it with python path captured in your python shell. To check python path information, open python shell and type below
>>import sys
>>for p in sys.path
... print(p)
It will list you all python path info, for eg
...
/usr/lib/python2.7
/usr/lib/python2.7/plat-x86_64-linux-gnu
/usr/lib/python2.7/lib-tk
/usr/lib/python2.7/lib-old
/usr/lib/python2.7/lib-dynload
...
If you have installed caffe already and want it to configure to be used by python, you just need to update your PYTHONPATH env variable by adding path to your /caffe-installation-path/python folder to it, like
export PYTHONPATH = /home/mypc/caffe-master/python:$PYTHONPATH
Note:- You don't need to rebuild caffe but configure caffe and python in PYTHONPATH env variable correctly.
I have downloaded the Reindent-0.1.0 and trying to use this for automated indention purpose.
I don't know how to install and run these commands and while I am trying to use this command
I am getting following error
command:
C:\Python26\Scripts\Reindent-0.1.0>Python setup.py
C:\Python26\Scripts\Reindent-0.1.0>Pyth
Traceback (most recent call last):
File "setup.py", line 5, in <module>
from setuptools import setup
ImportError: No module named setuptools
I don't understand the setuptools, where it is and how to put inside
please note my folder files in Reindent-0.1.0
Reindent.egg-info
PKG-INFO
README
reindent
setup.cfg
setup.py
Also how can I run the commands for reindent, for an example, once after I installed the reindent, if I want to
run dryrun command how I should write?
If I write like this, will it be correct ???
C:\ProjFolder\ApplicationDevelopment\GUI>reindent -d Test.py
some realtime example of "-d (--dryrun) Dry run and -r (--recurse) Recurse" will be helpful!!
and where I should target the command file path, in dos
to my application running directory or C:\Python26\Scripts\Reindent-0.1.0 ?? OR Application development folder??
If you get the error "no module X" when you try to run some code, that code has a dependency on module X. When you run setup.py and it says there is no module named "setuptools", it is telling you that setup.py requires the module "setuptools". Since you don't have "setuptools" installed on your machine, you get the error.
The fix is simple: install the setuptools module. Here's one of several places on the internet that shows you how to install setuptools: https://pythonhosted.org/an_example_pypi_project/setuptools.html
I installed python 2.7.5 which is working fine.
I then install scrapy (which, I think, uses twisted internally). My scrapy spider is also working fine.
I installed twisted:
sudo apt-get install python-twisted
Then, I created a sample program using Echo Server code shown here
Here is the code
from twisted.internet import protocol, reactor
class Echo(protocol.Protocol):
def dataReceived(self, data):
self.transport.write(data)
class EchoFactory(protocol.Factory):
def buildProtocol(self, addr):
return Echo()
reactor.listenTCP(1234, EchoFactory())
reactor.run()
I try to run this code using this command:
$ python twistedTester.py
Traceback (most recent call last):
File "twistedTester.py", line 1, in <module>
from twisted.internet import protocol, reactor
ImportError: No module named twisted.internet
Can anyone help me with how I can debug why my twisted package is not being picked up by Python installation?
If you use pip just try:
pip install twisted
The same works with w3lib and lxml.
On some *nix systems this might give you a permission error. If that happens, try:
sudo -H pip install twisted
I figured out why this error was happening. For some reason, using apt-get to install a python package was not installing it right.
So, I had to download a tar ball and install the package from them.
I downloaded Twisted tar from here.
I did a tar xjf Twisted-13.1.0.tar.bz2 - this created a directory called Twisted-13.1.0
next, cd Twisted-13.1.0
Finally, python setup.py install
This gave me an error. Twisted required another package called zope.interface. So, I downloaded tar ball for zope.interface from here. Then, ran this command tar xzf zope.interface-3.6.1.tar.gz That created a folder called zope.interface-3.6.1. So, cd into zope.interface-3.6.1 and run python setup.py install
Note: Depending on your user's rights, you may want to do these commands in sudo mode. Just add the keyword sudo before every command.
please rename the file twisted.py to something else. whenever you import a function from a file the interpreter will search for the file in the current location and then it searches in the library. so if you have any file in the name of "twisted.py" you should probably rename it.
after renaming it. dont fail to remove the twisted.pyc file before running it again.
It happened to me too. Finally I figure out that there is a file named twisted.py my present working directory. I removed twisted.py and twisted.pyc. Problem resolved.
Looks like Twisted may have removed the twisted.internet module from the current release. Pinning on the version required by scrapy (17.9.0) worked for me:
$ pip install twisted==17.9.0
Checking if it's installed:
$ python -c "import twisted.internet; print(twisted.internet)"
<module 'twisted.internet' from '/Users/username/dev/env/redacted-ewmlD2h2/lib/python3.7/site-packages/twisted/internet/__init__.py'>
I figured out why apt-get install python-twisted was not enough or "installing it right", as you said, user1700184.
I use Debian Wheezy and Python 2.7.
I just had to move the folder named "twisted" from /usr/lib/python2.7/dist-packages/ to /usr/lib/python2.7/
The same has to be done with the package "zope" and any other one that you do install but is not retrieved when you try run your code.
However, why this is even necessary in my case is still a mystery since my sys.path does include both /usr/lib/python2.7/ and /usr/lib/python2.7/dist-packages, so whatever was under dist-packages should have been retrieved by the interpreter.
I think it is worth noting that if you use sudo to launch python you are using your original default system python. This is NOT the python that your PATH points to. For example if you are using Anaconda and you have updated your path such that which python points to path/to/anaconda/bin/python, sudo which python will still point to usr/bin/python.
So obviously sudo python twistedTester.py will not find the twisted module. To get around this you should explicitly pass the path to the anaconda python. Like so:
sudo path/to/anaconda/bin/python twistedTester.py