Develop Reference

How to properly install csdtoolbox-remote?

I am having trouble installing the cdstoolbox-remote on my Linux machine (tried both Ubuntu and Debian). I installed it using pip:
pip install cdstoolbox-remote
Which successfully installs the module, but I can't import the module in Python. Importing the module causes the following error:
>>> import cdstoolbox
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/an/miniconda2/envs/tools/lib/python3.7/site-packages/cdstoolbox/__init__.py",
line 8, in <module>
with open(__main__.__file__) as f:
AttributeError: module '__main__' has no attribute '__file__'
What can be done to get it working?

Do you really need cdstoolbox-remote? The standard API for downloading data from CDS would be cdsapi, which can be installed using
pip install cdsapi
or using conda (https://anaconda.org/conda-forge/cdsapi)
I also just tried installing cdstoolbox-remote and got the same problem. But as it is flagged as experimental I even consider it to be possible that the current version is not a stable version.
And cdsapi seems to work.

Actually, the CDSAPI can also be used to execute workflows as follows:
import cdsapi
c = cdsapi.Client()
with open("workflow.py") as f:
code = f.read()
r = c.workflow(code)
print(c.download(r))
For more, read this thread on the Copernicus services documentation.

Import Error - (Python 2.7)

I've been trying to solve an import error I've been getting the whole day and it's just driving me crazy. I've literally went through every Stack Overflow similar question and tried out every single solution and nothing seems to do the magic for me.
I'm currently running a script on my Terminal by doing
$ python camelcamelcamel-import.py
The error I'm getting is:
Traceback (most recent call last):
File "camelcamelcamel-import.py", line 1, in <module>
import sys, mechanize, lxml.html
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lxml/html/init.py", line 54, in <module>
from .. import etree
ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lxml/etree.so, 2): Symbol not found: _xsltDocDefaultLoader
Referenced from: /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lxml/etree.so
Expected in: dynamic lookup
I've tried installing/uninstall the modules, the same thing for pip and nothing seems to work for me.
Any help would be extremely appreciated, thank you!

Reinstall libxslt and libxml2 using brew.
brew install libxslt libxml2
If you see errors during install, execute this:
xcode-select --install

ImportError using pyside

I need to use QT and pyside for a school project so hope to install pyside on my computer.
I struggled a little bit to install pyside and I eventually got pyside 1.2.4 installed using pip on both python 2.7 and 3.4.
However when I tried to use pyside-uic or import PySide.QtCore I got this error message:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: dlopen(/Library/Python/2.7/site-packages/PySide/QtCore.so, 2): Library not loaded: #rpath/libpyside-python2.7.1.2.dylib
Referenced from: /Library/Python/2.7/site-packages/PySide/QtCore.so
Reason: image not found
I have been working on this for hours and tried to reinstall with macport.
I also tried to link QtCore.framework from other directory using:
ln -vis /usr/local/Cellar/qt/4.8.7_2/lib/QtCore.Framework /Library/Python/2.7/site-packages/PySide/QtCore.Framwork
nothing worked out and I'm still getting the same error.
Please help and thank you guys so much.

Did you try to set DYLD_LIBRARY_PATH ?
export DYLD_LIBRARY_PATH=/Users/you/virtualenv/lib/python2.7/site-packages/PySide
See here : https://github.com/PySide/PySide/issues/129

Error during library import in Python (Windows)

I am trying to configure svn hook for email notification using mailer.py script from apache, but it always crash on import of svn libs. I try two ways of installing svn and python. I try to install everything manually using command line and use CollableNet installer that have preinstalled Python and all libs I need but result is the same.
Now I try to import one library from hole package that I need using python in command line and I have such response:
>>> import svn.core
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named svn.core
I try to fix it using:
1) import sys; sys.path.append("C:\csvn\lib\svn-python\svn")
and
2) C:\csvn\lib\svn-python\svn>python "\__init__.py" install
But it didn't help.
For now I have no package with setup.py to install it.
I spend a lot of time on this task, and going crazy a little). Please give me any suggestion how to fix it.

ImportError: No module named qgis.core

I am on Ubuntu 13.04. I get the following error message -
Traceback (most recent call last):
File "analyse.py", line 1, in <module>
from log import shelve
File "/home/shubham/SMART/TaxiData/log.py", line 27, in <module>
from demo import *
File "/home/shubham/SMART/zones/demo.py", line 5, in <module>
from qgis.core import *
ImportError: No module named qgis.core
Actually, everything was working fine till today morning. I guess this might be due to a package update.
I tried looking around on Google but my search was fruitless. So, I will really appreciate any help or pointers you guys can give :)
Thanks.

I solved the problem by completely removing the installation and using the nightly builds at 'deb http://qgis.org/debian-nightly raring main'.

If you have pip installed you could either try pip search qgis or pip freeze. The latter shows a list of all installed python packages to check if you have the package. Maybe try reinstalling qgis ...

Try sudo apt-get install python-qgis . The package does not appear to be available on PyPI, but it was listed as "python-qgis" in the Ubuntu packages.