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Check if Python Package is installed
...om PyPI or from any other alternative source (like pip install http://some.site/package-name.zip or any other archive type).
When installing manually using python setup.py install.
When installing from system repositories, like sudo apt install python-requests.
Cases when it might not work:
W...
pip broke. how to fix DistributionNotFound error?
... myself as an example.
I had virtualenv version 1.10 installed in my user site-packages (the fact it's in user site-packages not sytem site-packages is irrelevant here)
pdobrogost@host:~$ which virtualenv
/home/users/pdobrogost/.local/bin/virtualenv
pdobrogost@host:~$ virtualenv --version
1.10
A...
Integrating MySQL with Python in Windows
... C:\temp\sometempdir mysql-python
That will fail - which is OK.
Now open site.cfg in your temp directory C:\temp\sometempdir and edit the "registry_key" setting to:
registry_key = SOFTWARE\MySQL AB\MySQL Server 5.1
now CD into your temp dir and:
python setup.py clean
python setup.py install
...
cannot load such file — zlib even after using rvm pkg install zlib
...
The both other responses were almost right...
The rvm site for zlib provides a quick fix!
On the top off the page is a "Quick fix" follow it's instructions, it will:
fix your installation,
provide you instructions what to do to install zlib from your system
and show how to re...
Installing Python packages from local file system folder to virtualenv with pip
...inside my utility-package, that first removes the old-version-package from site-packages then installs a tar.gz'ed package from a subdir of the utility-package-folder (did not knew about --find-links=.), then creates the wheel and installs it. All automated via plumbum and click. If someone wants it...
Python - Get path of root project structure
...sources.resource_filename('lxml', 'etree')
output:
/usr/lib64/python2.7/site-packages/lxml/etree
The point is that you can use this standard method to access files that are installed on your system (e.g pip install xxx or yum -y install python-xxx) and files that are within the module that you'...
How to check version of python modules?
...SD
Location: c:\users\prowinjvm\appdata\local\programs\python\python36\lib\site-packages
Requires:
For more Details: >>> pip help
pip should be updated to do this.
pip install --upgrade pip
On Windows recommend command is:
python -m pip install --upgrade pip
...
How can I install from a git subdirectory with pip?
...e package appearing to install, and a package.egg-link file getting put in site-packages — but it points to the root directory of src/repo, not to src/repo/package, as I would expect. This means that py_modules can’t be imported, and entry_points don’t actually work: they both raise an ImportE...
Ubuntu rails install fails on zlib
...Ubuntu 10.04 then there are instructions on installing zlib on the rvm web site http://rvm.beginrescueend.com/packages/zlib/
The steps are:
rvm pkg install zlib
(or
rvm package install zlib if you get "ERROR: Unrecognized command line argument: 'pkg'" - older versions of rvm used the verb ...
CMake not able to find OpenSSL library
...his is now very out of date and probably dangerous to use. The openssl website has links to 2 sites that provide binaries. That's seems to be the problem with security related libs like this. However, setting the values like that should work with the other binary downloads too.
...