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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.

Error when installing scapy

Ok so i'm trying to install scapy for python3, but ive been having some issues
when I enter this command:
pip install scapy
This is the output:
Collecting scapy
Using cached scapy-2.3.3.tgz
In the tar file C:\Users\MYNAME~1\AppData\Local\Temp\pip-oao3meyq-
unpack\scapy-2.3.3.tgz the member scapy-2.3.3/README
is invalid: unable to resolve link inside archive
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "C:\Users\MYNAME~1\AppData\Local\Temp\pip-build-
qjegdxw6\scapy\setup.py", line 36
os.chmod(fname, 0755)
^
SyntaxError: invalid token
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in
C:\Users\MYNAME~1\AppData\Local\Temp\pip-build-qjegdxw6\s
capy\
So then I searched around and I tried using this:
pip3 install scapy-python3
But it just says that pip3 isnt a command, so im not sure what to do

Instead of pip3 use pip
pip install scapy-python3
It worked for me. pip3 is usually used if you have both python2 and python3 installed on your machine. It is uesd to distinguish between different pips in your system.
The pip3.exe will be in python3x/scripts/.
Check if there is a pip3.exe is available in your scripts folder.
If the above solution doesn't work for you then try giving the full path of correct pip.exe.

egg_info error when installing python modules

I am new to Python and I am trying to install pypgen.
As explained one the webpage, I first installed "samtools" (via brew install samtools as recommended).
Trying to install pypgen
I tried the 4 ways suggested by the author to install pypgen
$pip3.6 install pypgen
Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/yv/n6rkh3sn5mn5qpsn87lvjw4m0000gp/T/pip-build-aQiBgg/pypgen/
$easy_install pypgen
Processing pypgen
error: Couldn't find a setup script in /Users/remi/Downloads/pypgen-0.2.1/pypgen
$pip3.6 install -e git+https://github.com/ngcrawford/pypgen.git
Could not detect requirement name, please specify one with #egg=
I downloaded "pypgen-0.2.1.tar.gz" from the pypgen website, uncompressed it, cd to the folder and did
$python setup.py install
Traceback (most recent call last):
File "setup.py", line 1, in <module>
import distribute_setup
ImportError: No module named distribute_setup
So, I did
$pip3.6 install distribute
but it did not solve the previous issue
Trying to Solve egg_info error
This egg_info error seems to be key. I tried to download this file and did
sudo python ez_setup.py
as recommended on this post but it did not solve the error messages above. I then tried
sudo pip3.6 install --upgrade setuptools
as recommended on this post but I keep receiving the same error messages when doing pip3.6 install pypgen
I am using Python 3.6 but I also have the version 2.7 installed. I tried everything with both versions (pip3.6 and pip2.7) and get the same errors. I am on MAC OS X 10.11.3

Syntax error when installing csc-pysparse

I am new to Python and I am trying to install recsys package.
http://ocelma.net/software/python-recsys/build/html/installation.html
For this i need to install some pre-requiste packages, so i have to run this using pip
pip install csc-pysparse networkx divisi2
But whenever i run this i get the following in logs
Collecting csc-pysparse
Using cached csc-pysparse-1.1.1.4.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "C:\Users\64\AppData\Local\Temp\pip-build-wn7_65_9\csc-pysparse\
setup.py", line 33
print 'setuptools module not found.'
^
SyntaxError: Missing parentheses in call to 'print'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in C:\Users\i054564\
AppData\Local\Temp\pip-build-wn7_65_9\csc-pysparse\
I checked that setuptools exist in my python installation here
C:\Python34\lib\site-packages
I have ran everything from unstinalling setuptools to install it again, upgrade command, but it does not work.
Not able to figure out why setuptools is not found. Is it not found in the path of where pip resolves it from ?
cheers,
Saurav

The code triggering the error is Python 2-specific and is illegal in Python 3.
Apparently, csc-pysparse doesn't support Python 3 (its README only mentions 2.6) and looks abandoned (6 years since last commit).
Some guys out there suggest replacing it with SciPy.

The error is coming from the installation code of recsys package. In order to avoid this error, you need to install setuptools separately.
For debian machines, the below command will work.
sudo apt-get install python3-setuptools
For other machines, please checkout installation instructions at the link
Once setuptools package is installed, you can proceed with csc-pysparse installation.

Installing PyAutoGUI Error in pip.exe install pyautogui

I have been installing PyautoGui on my WIN10 PC. But I am getting the following error, i have been getting a lot of errors jut to get this far.
i have been reinstalling python so its destination folder is in C:\Python instead of C:\Users\Home\AppData\Local\Programs\Python\Python35-32 mabye thats why ? How do i fix this ?
C:\Python\Scripts>pip.exe install pyautogui Collecting pyautogui
Using cached PyAutoGUI-0.9.33.zip Collecting pymsgbox (from pyautogui)
Using cached PyMsgBox-1.0.3.zip Collecting PyTweening>=1.0.1 (from
pyautogui) Using cached PyTweening-1.0.3.zip Collecting Pillow (from
pyautogui) Using cached Pillow-3.3.1-cp35-cp35m-win32.whl Collecting
pyscreeze (from pyautogui) Using cached PyScreeze-0.1.8.zip
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "", line 1, in
File "C:\Users\Home\AppData\Local\Temp\pip-build-kxm3249e\pyscreeze\setup.py",
line 6, in
version=import('pyscreeze').version,
File "c:\users\home\appdata\local\temp\pip-build-kxm3249e\pyscreeze\pyscreeze__init__.py",
line 21, in
from PIL import Image
ImportError: No module named 'PIL'
Command "python setup.py egg_info" failed with error code 1 in
C:\Users\Home\AppData\Local\Temp\pip-build-kxm3249e\pyscreeze\

I encountered the same error message as you did. This workaround worked for me. Try these steps in order...
Install PyScreeze 0.1.7.
Update PyScreeze to 0.1.8.
Install PyAutoGui.
I hope this helps.

I also encountered the same error (albeit on Ubuntu 14.04). The missing module PIL is named Pillow (As said in this answer). So what I tried was (same in MacOS I think):
sudo pip3 install pillow
That translated to Windows would be:
pip.exe install pillow
Hope this helps you further.

Instead of letting PyautoGUI get all the packages for you.
Install all of them individually. Then, run the pip install --upgrade _packageName_
Then run pip install pyautogui.
Hope this helps.

I'm happy to report that this installation error has been fixed as of version 0.9.34. All you have to do is install or update PyAutoGUI from PyPI.

try
pip uninstall pyautogui
then
pip install pyautogui

There is a possibility that on windows it is not rightly configured on windows path and therefore it cant find the module, to fix this try:
Control Panel \ System and Security \ System
then click: Environment Variables, and double click on path and append the directory you want to use.
full explanation on: https://helpdeskgeek.com/windows-10/add-windows-path-environment-variable/
you can also try:
Cmd:
python -m pip install < module >
git clone https://github.com/USERNAME/REPOSITORY
or
To append to PYTHONPATH:
IDE:
import sys
sys.path.append('< path >')