Here's my setup: a Mac, running OS X Tiger. Windows XP running in a virtual machine (Parallels). Windows XP has my Mac home directory mapped as a network drive.
I have two files in a directory of my Mac home directory:
foo.py
pass
test.py
import foo
If I run test.py from within my virtual machine by typing 'python test.py', I get this:
Traceback (most recent call last):
File "test.py", line 1, in <module>
import foo
ImportError: No module named foo
If I try to import foo from the console (running python under Windows from the same directory), all is well:
Python 2.5.1 (r251:54863, Apr 18 2007, 08:51:08) [MSC v.1310 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import foo
>>>
If I run test.py with Mac python, all is well.
If I copy test.py and foo.py to a different directory, I can run test.py under Windows without problems.
There is an init.py in the original directory, but it is empty. Furthermore, copying it with the other files doesn't break anything in the previous paragraph.
There are no python-related environment variables set.
Any ideas?
Add import sys; print sys.path to the start of test.py. See what it prints out in the failing case. If "." isn't on the list, that may be your problem.
As a random guess: are the permissions on foo.py accessable from the windows client? (eg try opening with notepad from the virtual machine).
If that's OK, try running:
python -v -v test.py
and looking at the output (alternatively, set PYTHONVERBOSE=2). This should list all the places it tries to import foo from. Comparing it with a similar trace on the working machine may give some further clues.
Related
I am trying to import pyodbc module on a windows computer. It works in the terminal, but not the IDLE. The error message in IDLE is:
Traceback (most recent call last):
File "FilePath/Filename.py", line 3, in <module>
import pyodbc
ImportError: No module named pyodbc
This typically occurs when multiple versions of python are installed with different paths. You can check to see if you have multiple installations by opening up the IDLE terminal and using
import sys
sys.version
sys.path
These commands will print the system PATH and version of the current instance of python. Use this in both IDLE and the command line terminal to see where each differ. Once you know which version is the one you want then just remove the other. You could also remove all python instances and then reinstall a clean python environment but then you would have to re-install all of your modules using pip or easy_install
Open python in cmd (type python and press enter)
Import the module in cmd (type import modulename)
Type modulename.__file__
You will get the path where the module is stored
Copy the corresponding folder
In IDLE, import sys and typing sys.executable to get the paths where it looks for modules to import
Paste your module's folder in the path where IDLE looks for modules.
This method worked for me.
You can pip show after install package and know about location where package installed.
After that check in IDLE sys.path and if directory with package not in sys.path try to add it.
import sys
sys.path.append("/home/dm/.local/lib/python3.6/site-packages")
# or another folder that `pip show` about package.
this happen because of multiple python installed (32bit version, 64bit version) or 3v and 2.7v so to solve this problem you have to invoke the idle for that specific version like this
cd to the dir of the version that the import work fine in cmd in that folder type this command below
pythonw.exe Lib\idlelib\idle.pyw
this command will invoke idle for that version
and the import will work fine
Me too had the same issue while trying to import a module which was successfully imported on terminal and not able to install on IDLE.
How I fixed?
Assuming you know how to execute commands on terminal as well as inside of python interpreter
Open your Terminal & execute the below commands :
:~$ python3
Python 3.6.9 (default, Jan 26 2021, 15:33:00)
[GCC 8.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>>
>>> import sys
>>> sys.version
'3.6.9 (default, Jan 26 2021, 15:33:00) \n[GCC 8.4.0]'
>>> sys.path
['', '/usr/lib/python36.zip', '/usr/lib/python3.6',
'/usr/lib/python3.6/lib-dynload', '/usr/local/lib/python3.6/dist-
packages', '/usr/lib/python3/dist-packages']
>>>
Now import your module inside of your python3 interpreter.
>>> import nester
>>>
>>> nester.__file__
'/usr/local/lib/python3.6/dist-packages/nester.py'
>>>
Open your IDLE and run the below commands and compare them
Python 3.9.1 (tags/v3.9.1:1e5d33e, Dec 7 2020, 17:08:21) [MSC v.1927
64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license()" for more
information.
>>> import sys
>>> sys.version
'3.9.1 (tags/v3.9.1:1e5d33e, Dec 7 2020, 17:08:21) [MSC v.1927 64 bit
(AMD64)]'
>>> sys.path
['','C:\Users\username\AppData\Local\Programs\Python\Python39\Lib\idlelib', 'C:\Users\username\AppData\Local\Programs\Python\Python39\python39.zip', 'C:\Users\username\AppData\Local\Programs\Python\Python39\DLLs', 'C:\Users\username\AppData\Local\Programs\Python\Python39\lib', 'C:\Users\username\AppData\Local\Programs\Python\Python39', 'C:\Users\username\AppData\Local\Programs\Python\Python39\lib\site-packages']
>>> sys.executable
'C:\Users\username\AppData\Local\Programs\Python\Python39\pythonw.exe'
Now if you compare both outputs from Terminal & IDLE,
Terminal Module location is different from IDLE
I was using Ubuntu 18 terminal on windows machine
So I just copied my file to 'C' directory and ensured its file privileges. That's it.
:~$ cp -p /usr/local/lib/python3.6/dist-packages/nester.py /mnt/c/Users/username/AppData/Local/Programs/Python/Python39/Lib/
It worked!!
I Found the solution. It works for me
The problem is your installation directory does not match with the python version directory.
solution is >>>
type %localappdata% in your search bar then go to this folder.
here select the program folder. then select Programs , Python , Python version , Scripts
copy the location of the Scripts folder
open command prompt and type cd //yourpath (in my case cd C:\Users\3C HOUSE\AppData\Local\Programs\Python\Python37\Scripts)
if you wanna install numpy , now run pip install numpy
When you put your python scripts that have import pandas in the same folder as the site packages like pandas for example and use the same version of python that is used on CMD, it should help run your scripts in IDLE.
Check the path of your code, and that of the module. Copying the module to the path where code is worked for me.
'sys.executable' will give the path where code is stored.
For windows, open command prompt and enter pip show pyodbc to get the path of package and copy the path.
then open idle and run these lines
import sys
sys.path
Match the path from command prompt and the paths mentioned in the list provided by running above lines in IDLE. If the path is not mentioned then run these lines in idle
sys.path.append("Enter the copied path of package here")
After executing these lines, check again by importing the package that if it works for you.
Python 3.6.5
I am aware of this one: Why does my python not add current working directory to the path?
But the problem there is that he's doing something more complicated (referring to a sub-folder but executing from a main folder). The answers there are to either simplify things or to add package definitions.
And the selected answer even says: "It is the script's directory that is added"
However, my problem is really more simple: My script's directory ISN'T added.
Basically, all the tutorials on the internet say: import mymodule
When I do that, I get a name error...
My folder structure:
C:/Projects/interner
interner.py # this is the main program body
aux.py # this is the auxiliary file I would like to import into the above
I've tried both coding 'import aux' inside interner.py, and also using the interactive console:
cd c:/Projects/interner
python
import aux
To no avail (ModuleNotFoundError: No module named 'aux')
My sys.path:
['C:\\Tools\\Python\\python365\\python36.zip', 'C:\\Tools\\Python\\python365']
(both from inside the script and from interactive console)
Could you please tell me why I can't import local scripts? Is it because my sys.path is missing the PWD? If so, why is it missing it?
Edit: Doing this to help investigation:
>>> import os; print(os.listdir("."))
['aux.py', 'hw.py', 'interner.py', 'my_funcs.py']
I believe this is a Python bug, specific to the embeddable (ZIP file without an installer) Windows distribution. I’ve filed https://bugs.python.org/issue34841.
Removing the python37._pth file (presumably python36._pth in your case) from the distribution fixed it for me.
I don't know why but it seems that "" is missing from your sys.path variable, and that prevents from importing modules from current directory all right!
I can somehow reproduce your issue (eatcpu.py is in my current dir):
$ python.exe
Python 2.7.8 (default, Jun 30 2014, 16:08:48) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path
['', 'C:\\Windows\\system32\\python27.zip', 'D:\\AppX64\\Python27\\DLLs', ... etc...]
>>> import eatcpu
works. Now in another python session:
$ python.exe
Python 2.7.8 (default, Jun 30 2014, 16:08:48) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path.remove("")
>>> import eatcpu
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named eatcpu
>>>
So the quickfix for you is to do:
import sys
sys.path.append("")
It looks like you are using the embeddable distribution of CPython rather than one of the regular installers. As described on the documentation page:
The embedded distribution is a ZIP file containing a minimal Python environment. It is intended for acting as part of another application, rather than being directly accessed by end-users.
Since you seem to be directly accessing Python rather than embedding it, you should consider using the regular (or Microsoft Store) installer (also described on the page I linked above).
Try making it explicit:
from . import aux
I am trying to set up PyROOT to work with Pycharm 4 on Mac OS X Yosemite.
I have installed ROOT (locally), with the python option enabled, and set up all of the necessary environment paths.
echo $PYTHONPATH
/Users/natalia/Software/root/lib:/Users/natalia/Software/root/bin:/Users/natalia/Software/root
It works just fine from the shell interpreter:
python
Python 2.7.6 (default, Sep 9 2014, 15:04:36)
[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.39)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT
>>> ROOT.__file__
'/Users/natalia/Software/root/lib/ROOT.pyc'
>>>
In Pycharm I have tried to add these paths to the interpreter using Preferences->Project Interpreter->More->Show paths...
The paths that show there are the following:
file:///Library/Python/2.7/site-packages/pip-6.1.1-py2.7.egg
file:///Users/natalia/Software/root/lib
file:///System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7
file:///System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-darwin
file:///System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac
file:///System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages
file:///System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python
file:///System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk
file:///System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload
file:///System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/PyObjC
file:///Library/Python/2.7/site-packages
file:///Users/natalia/Software/root/bin
file:///Users/natalia/Software/root
I created the following file in Pycharm:
import os
os.system("echo $PYTHONPATH")
import ROOT
When run, it returns this:
Traceback (most recent call last):
/Users/natalia/Software:/Users/natalia/Software/root:/Users/natalia/Work/Projects/untitled
File "/Users/natalia/Work/Projects/untitled/l.py", line 3, in <module>
import ROOT
ImportError: No module named ROOT
Notice how this PYTHONPATH that's printed from python in Pycharm doesn't include (for a reason unknown to me) the path that actually includes the ROOT.pyc file, that is: '/Users/natalia/Software/root/lib'
I have also tried doing the dirty trick of
os.system("export PYTHONPATH=$PYTHONPATH:/Users/natalia/Software/root/lib")
but I found it doesn't actually change the path if I print it afterwards.
I am absolutely confused as to where Pycharm gets the paths from.
Any possible solutions would be welcome and greatly appreciated.
You may have figured this out already, but just in case...
import sys
sys.path.append('/Applications/Misc/root/lib')
import ROOT
print ROOT.TTimeStamp().AsString()
will add that search path to Python (& PyCharm by extension); the snippet gives me the following output in PyCharm:
/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7
/Users/rrios/PycharmProjects/untitled/dummy.py
Thu, 02 Jul 2015 01:07:57 UTC +628998000 nsec
Process finished with exit code 0
When using Python on an interactive shell I'm able to import the cx_Oracle file with no problem. Ex:
me#server~/ $ python
Python 2.7.6 (default, Mar 22 2014, 22:59:56)
[GCC 4.8.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import cx_Oracle
>>>
As you can see, importing works without a hitch. However, when I try to run a Python script doing the same thing, I get an error:
me#server~/ $ sudo script.py
Traceback (most recent call last):
File "/usr/local/bin/script.py", line 19, in <module>
import cx_Oracle
ImportError: No module named "cx_Oracle'
Here is the important section from script.py:
# 16 other lines above here
# Imports
import sys
import cx_Oracle
import psycopg2
...
I'm befuddled here. Other pertinent information is the server I'm running is Ubuntu 14.04.1 LTS (upgraded from 12.04) 64bit. which python and sudo which python both point to the same location. Also, doing this as root via sudo su - gets the same results; import OK from interactive but error from script.
Nothing other than the OS upgrade happened between when this worked and when it stopped working.
Sorry, all. This was a silly on my part. Turns out the script in question was using Python3, and when the server upgraded, Python3 went from being 3.2 version to being 3.4 version.
Once the cx_Oracle module was set up in the 3.4 version, everything worked as expected.
Phil, your final note talking about the shebang was what lead me to discover this, so kudos to you! The reason I didn't mark your response as the answer was because technically it wasn't but led me on the right path.
Cheers!
sudo starts a new bash environment which is then pointing to a different python executable (different installed modules).
You can verify this with which python and sudo which python
EDIT: so if they point to the same executable, then you should look at sys.path to find differences. In both environemnts you can:
python -c "import sys; print('\n'.join(sys.path))"
sudo python -c "import sys; print('\n'.join(sys.path))"
Look for differences. If there are none:
A common error in import situations like this is that python will first look at the local dir. So if you happen to be running python and importing something what is found locally (i.e. cx_Oracle is a subdir of your current location), you will get an import error if you change directories.
Final note: I have assumed here that the shbang of the script.py points to the same executable as which python. That is, that python script.py and script.py return the same error.
I'm runnning a virtualenv in the django-web folder. The folder has a Scripts folder which contains the python file django-admin.py. I would like to run this python file as: python django-admin.py from C:\Users\name\django-web with the virtualenv activated. The python file isn't found unfortunatly:
python: can't open file 'django-admin.py': [Errno 2] No such file or directory
when I look for the pythonpath in my virtual env:
(django-web) C:\Users\name\django-web>python Python 3.4.1
(v3.4.1:c0e311e010fc, May 18 2014, 10:38:22) [MSC v.1600 32 bit (In
tel)] on win32 Type "help", "copyright", "credits" or "license" for
more information. import sys; print(sys.path) ['',
'C:\Users\name\django-web\lib\site-packages\django-1.6.5-py3.4.egg'
, 'C:\Python34\Lib', 'C:\Python34\DLLs',
'C:\Windows\system32\python34.zi p',
'C:\Users\name\django-web\DLLs',
'C:\Users\name\django-web\lib',
'C:\Users\name\django-web\Scripts', 'C:\Users\name\django-web', 'C:\
\Users\name\django-web\lib\site-packages']
The path 'C:\Users\name\django-web\Scripts' where the file is located is clearly in the python path.
Running the file as python Scripts\django-admin.py from C:\Users\name\django-web runs fine.
First of all, PYTHONPATH helps Python to find required modules while importing.
In your case it does not matter because you are trying to run the script, it is not an import
seems like you are executing python django-admin.py in wrong directory.
Also you have to run virtualenv's python binary instead of regular one (just need to activate virtualenv)
virtual env HOW TO