We Keep Coding

while installing apex extension for pytorch(python environment) the following error is showing, am unable to solve this problem

I want to install apex extension for my pytorch environment, my system is windows 10 and am using python version 3.8.1 and pip version is 20.0.2
I read the instructions from this https://github.com/NVIDIA/apex and I executed the command
pip install -v --no-cache-dir --global-option="--cpp_ext" --global-option="--cuda_ext
This error is showing.
c:\users\dell\appdata\local\programs\python\python38\lib\site-packages\pip_internal\commands\install.py:244: UserWarning: Disabling all use of wheels due to the use of --build-option / --global-option / --install-option.
cmdoptions.check_install_build_global(options)
Non-user install because site-packages writeable
Created temporary directory: C:\Users\Dell\AppData\Local\Temp\pip-ephem-wheel-cache-ehoqwpvf
Created temporary directory: C:\Users\Dell\AppData\Local\Temp\pip-req-tracker-uowlsjqi
Initialized build tracking at C:\Users\Dell\AppData\Local\Temp\pip-req-tracker-uowlsjqi
Created build tracker: C:\Users\Dell\AppData\Local\Temp\pip-req-tracker-uowlsjqi
Entered build tracker: C:\Users\Dell\AppData\Local\Temp\pip-req-tracker-uowlsjqi
Created temporary directory: C:\Users\Dell\AppData\Local\Temp\pip-install-rivnsaa9
Cleaning up...
Removed build tracker: 'C:\Users\Dell\AppData\Local\Temp\pip-req-tracker-uowlsjqi'
ERROR: You must give at least one requirement to install (see "pip help install")
Exception information:
Traceback (most recent call last):
File "c:\users\dell\appdata\local\programs\python\python38\lib\site-packages\pip_internal\cli\base_command.py", line 186, in _main
status = self.run(options, args)
Please solve this problem

pip install -v --no-cache-dir --global-option="--cpp_ext" --global-option="--cuda_ext
The line specified in your link is
$ pip install -v --no-cache-dir --global-option="--cpp_ext" --global-option="--cuda_ext" ./
Note that you're missing the final ./, which is why pip tells you that
You must give at least one requirement to install (see "pip help install")
you're telling it to install, but you're not telling it what to install.

PyQt5 dependency in a module on Debian [duplicate]

This question already has answers here:
Install PyQt5 5.14.1 on Linux
(8 answers)
Closed 3 years ago.
I have a Python module with a __main__ that uses PyQt5. I've installed PyQt5 on a Debian Buster box:
apt-get install python3-pyqt5
The __main__ program runs as expected if I execute
python3 mymodule/__main__.py
from the source directory. Now I've installed the module into python:
python3 setup.py install
That worked. The setup.py lists a dependency on pyqt5:
setup(
# ...
install_requires=['PyQt5'],
entry_points={"gui_scripts": ["mymodule = mymodule.__main__:main"]},
Setup created a script /usr/local/bin/mymodule. When I run that, I get an error message:
pkg_resources.DistributionNotFound: The 'PyQt5' distribution was not found and is required by mymodule
What am I missing?
EDIT: tried installing pyqt5 via pip, got the following error:
seva#sandbox:~$ sudo pip3 install pyqt5
Collecting pyqt5
Using cached https://files.pythonhosted.org/packages/3a/fb/eb51731f2dc7c22d8e1a63ba88fb702727b324c6352183a32f27f73b8116/PyQt5-5.14.1.tar.gz
Installing build dependencies ... done
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/lib/python3.7/tokenize.py", line 447, in open
buffer = _builtin_open(filename, 'rb')
FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-install-26kj5hrc/pyqt5/setup.py'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-install-26kj5hrc/pyqt5/

OS-level package managers are designed to be consistent within itself. But they aren't designed to interoperate with language package managers. apt-get-installed python3-pyqt5 could be recognized by other Debian packages but not by pip/setuptools.
So either you convert your package to .deb (using stdeb, for example), set dependency to python3-pyqt5 and install it with apt/apt-get/dpkg. Or you install everything using pip:
pip install pyqt5
pip install . # to install your package
If your dependencies are properly declared in the package the latter command should be enough — pip will run the former itself.
PS. Also please consider virtualenv to separate pip-installed packages from system-installed. virtualenv itself could be system-installed or user-installed:
apt install python3-virtualenv
or
pip install [--user] virtualenv

Ubuntu 17: Can't install mysqlclient

Trying to follow a Django tutorial but I cannot install mysqlclient.
The tutorial claims that I can do so with the following command:
pip install mysqlclient
but this generates this error:
Collecting mysqlclient Using cached mysqlclient-1.3.12.tar.gz
Complete output from command python setup.py egg_info:
/bin/sh: 1: mysql_config: not found
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/tmp/pip-build-rrolctwh/mysqlclient/setup.py", line 17, in <module>
metadata, options = get_config()
File "/tmp/pip-build-rrolctwh/mysqlclient/setup_posix.py", line 44, in get_config
libs = mysql_config("libs_r")
File "/tmp/pip-build-rrolctwh/mysqlclient/setup_posix.py", line 26, in mysql_config
raise EnvironmentError("%s not found" % (mysql_config.path,))
OSError: mysql_config not found
---------------------------------------- Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-rrolctwh/mysqlclient/
I have the most up-to-date pip and virtualenv installed.
I would like to be able to install mysqlclient so that I may continue with the tutorial.

You should also install the mysql and python development headers and libraries:
https://github.com/PyMySQL/mysqlclient-python#prerequisites

I was facing the same problems, but following the instructions in the Official mysqlclient documentation fixed it for me
but just to clarify I was running python 3.5 from a virtual environment
and after installing the prerequisites, it all worked fine

The following solved it for me :
You may need to install the Python 3 and MySQL development headers and libraries like so:
$ sudo apt-get install python3-dev default-libmysqlclient-dev build-essential # Debian / Ubuntu
% sudo yum install python3-devel mysql-devel # Red Hat / CentOS
Then you can install mysqlclient via pip now:
$ pip install mysqlclient
Source : https://github.com/PyMySQL/mysqlclient#prerequisites

I had also similar issue on Centos 6, where there was a problem with mysql migration to maria, I had some conflicts, but finally I installed:
yum list installed |grep MariaDB
MariaDB-client.x86_64 10.2.7-1.el6 #bull
MariaDB-common.x86_64 10.2.7-1.el6 #bull
MariaDB-compat.x86_64 10.2.7-1.el6 #bull
MariaDB-devel.x86_64 10.2.7-1.el6 #bull
MariaDB-server.x86_64 10.2.7-1.el6 #bull
And the issue was resolved.

Oursql insallation failing wtih "cython not found"

Trying to install oursql driver for python3x and sqlalchemy0.8 on ubuntu 12.10. It fails with the following error.
sudo pip-3.2 install oursql
Downloading/unpacking oursql
Running setup.py egg_info for package oursql
Traceback (most recent call last):
File "<string>", line 16, in <module>
File "/tmp/pip-build/oursql/setup.py", line 53
print "cython not found, using previously-cython'd .c file."
^
SyntaxError: invalid syntax
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 16, in <module>
File "/tmp/pip-build/oursql/setup.py", line 53
print "cython not found, using previously-cython'd .c file."
^
SyntaxError: invalid syntax
When I try to install cython I seem to already have it:
sudo pip-3.2 install cython
Requirement already satisfied (use --upgrade to upgrade): cython in /usr/local/lib/python3.2/dist-packages
Cleaning up.
What can I do to make it run?

Had the same error when running pip-3.2.
This is how I made it work:
Created my env using python-3.2:
virtualenv -p /usr/bin/python3.2
Installed the required packages:
sudo apt-get install python-dev
sudo apt-get install libmysqlclient-dev
Then installed:
sudo pip install cython
sudo pip install oursql
Edit1:
I was able to get pass you error with my above recomendations, but i was wrong (python3.2 was unable to read oursql). I tried the following and was able to make a connection:
First:
sudo apt-get install python3.2-dev
Then installed oursql for Python 3 from source (as suggested by it's maintainer here):
Get the Python 3 version of oursql from here and compile it from source (Don't have enough reputation to post the link, just go to oursql official site for installation instructions).

The maintainers have two packages, one for python 2.x and one for python 3.x, you should run:
pip install oursql3

There is nothing about cython.
You just encoutered a syntax error in print, because the print statement doesn't use brackets there. They were optional in Python 2's print statement, but are required in Python 3's print() function.
install it manually - reqs: python-dev, cython
then download oursql package (try 0.9.3.zip)
and
python setup.py install

hdf5 / h5py ImportError: libhdf5.so.7

I'm working on a project involving network messaging queues (msgpack, zmq, ...) on a RHEL 6.3 (x86_64) system. I was installing the most recent packages of glib, gevent, pygobject, pygtk, and such in order to get pylab / matplotlib to work (which hasn't been successful either).
After giving up I went back to my code and somehow I had managed to wreck my hdf5 / h5py installation - h5py can't find libhdf5.so.7 on import. I immediately reinstalled hdf5-1.8.9 in /usr/local/hdf5 on RHEL 6.3 (x86_64) as follows:
./configure --prefix=/usr/local/hdf5
make
make check
sudo make install
make check install
which seemed to work just fine. Then I went to reinstall h5py (in python 2.7.3):
python2.7 setup.py build --hdf5=/usr/local/hdf5/
python2.7 setup.py test # optional
# sudo python2.7 setup.py install
which fails to import the _errors file in the tests, like so:
======================================================================
ERROR: _hl.tests.test_attrs_data (unittest.loader.ModuleImportFailure)
----------------------------------------------------------------------
ImportError: Failed to import test module: _hl.tests.test_attrs_data
Traceback (most recent call last):
File "/usr/local/lib/python2.7/unittest/loader.py", line 252, in _find_tests
module = self._get_module_from_name(name)
File "/usr/local/lib/python2.7/unittest/loader.py", line 230, in _get_module_from_name
__import__(name)
File "/home/cronburg/Downloads/h5py-2.0.1/build/lib.linux-x86_64-2.7/h5py/_hl/tests/test_attrs_data.py", line 5, in <module>
import h5py
File "/home/cronburg/Downloads/h5py-2.0.1/build/lib.linux-x86_64-2.7/h5py/__init__.py", line 1, in <module>
from h5py import _errors
ImportError: libhdf5.so.7: cannot open shared object file: No such file or directory
----------------------------------------------------------------------
Ran 12 tests in 0.001s
FAILED (errors=12)
h5py was working fine before I went to install the aforementioned packages / tarballs, and I don't remember touching anything that even remotely looked like hdf5. Any ideas?
EDIT:
Trying to locate the file only shows it in the location i untarred it:
cronburg#rhel:~/Downloads/h5py-2.0.1$ locate libhdf5.so.7
/home/cronburg/tmp/hdf5-1.8.9/hdf5/lib/libhdf5.so.7
/home/cronburg/tmp/hdf5-1.8.9/hdf5/lib/libhdf5.so.7.0.3
/home/cronburg/tmp/hdf5-1.8.9/src/.libs/libhdf5.so.7
/home/cronburg/tmp/hdf5-1.8.9/src/.libs/libhdf5.so.7.0.3

take a look on:
http://rpm.pbone.net/index.php3/stat/3/srodzaj/1/search/libhdf5.so.7()(64bit)
Or should try this repo: https://ius.io/Packages/
I prefer always use the most updated python version, in a package format.
https://dl.iuscommunity.org/pub/ius/stable/Redhat/6/x86_64/repoview/python27.html
sudo yum install -y https://centos6.iuscommunity.org/ius-release.rpm
sudo yum install -y python27
sudo yum install -y python27-devel
Do a pip install and be happy:
$ sudo pip install h5py
Installing collected packages: h5py
Successfully installed h5py-2.6.0

This also happened to me when using h5py on a clean raspbian. You need to install the system libraries first.
apt install libhdf5-dev
then
pip install h5py