Pip fails to install packages - python

I'm attempting for several hours to get the package installed, but i really got stuck and i'm so desperate right now.I tried everything here and on the web but, nothin works! i tried first using pycharm to install SciTools and then via terminal but both give me the same error as here you can see(i have mac):
Could not find a version that satisfies the requirement SciTools==0.08 (from versions: )
No matching distribution found for SciTools==0.8

I believe you want to install SciTools==0.8 not version 0.08

I can't make it work either. Maybe you can try to manually install the packages as described in the installation page of SciTools's Google Code Archive.
It would be sudo apt-get install python-scitools on Ubuntu for example.

Related

Meeting a pip requirement using an alternative module

I'm trying to install a python module, 'pyAudioProcessing' (https://github.com/jsingh811/pyAudioProcessing) on my Linux Mint distribution, and one of the items in requirements.txt is causing issues: python-magic-bin==0.4.14. When I run pip3 install -e pyAudioInstaller, I get an error:
ERROR: Could not find a version that satisfies the requirement python-magic-bin==0.4.14 (from pyAudioProcessing==1.1.5) (from versions: none)
ERROR: No matching distribution found for python-magic-bin==0.4.14 (from pyAudioProcessing==1.1.5)
The same error appears if I try to manually install the module using pip3 install python-magic-bin. The module installs without issues on my windows machine.
pypi.org lets me download files for it manually, however only Windows and MacOS .whl files are available. I tried simply removing the requirement from the list, but that resulted in a large number of other errors to appear, so I assume the module is legitimately required.
Thee is another module called python-magic-debian-bin that I can download. Is there a simple way to convince pyAudioInstaller to use this other module instead of the original? Like can I somehow rename python-magic-debian-bin to python-magic-bin and hope it works out?
python-magic-bin 0.4.14 provides wheels for OSX, w32 and w64, but not for Linux. And there is no source code at PyPI.
You need to install it from github:
pip install git+https://github.com/julian-r/python-magic.git
As for pyAudioProcessing I can see 2 ways to install it:
Clone the repository and edit requirements/requirements.txt, replace python-magic-bin==0.4.14 with pip install git+https://github.com/julian-r/python-magic.git#egg=python-magic;
Install requirements manually and then install pyAudioProcessing without dependencies:
pip install --no-deps pyAudioProcessing
or
pip install --no-deps git+https://github.com/jsingh811/pyAudioProcessing.git
The library has updated the requirements very recently for it to work on Linux.
pip install -U pyAudioProcessing
Should get it all set up for you.
Alternatively, https://github.com/jsingh811/pyAudioProcessing the readme describes other getting started methods as well.

Python 3.8.5 and MYSQLDB

As of late, I have been attempting to setup MySQLDB on Pycharm. I have Python 3.8.5 installed, have made sure the PATH is set, and everything seems to be working handily. After this, I ran the pip command.
python -m pip install mysqldb
and
python -m pip install mysqldb-python
But to no avail.
I tried to install it from Pycharm's interpreter page, but also no dice. I also attempted to install using a .whl file, but that has also turned out a failure. I've searched far and wide for the last few days, and I've found mention of this error, but none of the fixes I've seen have truly worked. The error I get is the same, regardless of which iteration I attempt to install. And of all the guides I see, I never see any mention of steps I've missed or things I should have done before attempting an installation aside from what I've done. The error is as follows.
ERROR: Could not find a version that satisfies the requirement MySQLdb (from versions: none)
DEPRECATION: The -b/--build/--build-dir/--build-directory option is deprecated. pip 20.3 will remove support for this functionality. A possible replacement is use the TMPDIR/TEMP/TMP environment variable, possibly combined with --no-clean. You can find discussion regarding this at https://github.com/pypa/pip/issues/8333.
ERROR: Could not find a version that satisfies the requirement MySQLdb (from versions: none)
ERROR: No matching distribution found for MySQLdb
you can try installing the following,
pip install pymysql
pip install mysql-connector
pip install mysql-connector-python
or you can go to lfd.uci.edu/~gohlke/pythonlibs/#mysql-python and install the wheels.
It looks like you're using the wrong package to try to install mysqldb through pip. I tried it and got the same error you did this tells me that pip is looking for a package to download and install, but cannot find it.
Try this instead:
pip install MySQL-python
You can learn more about this package here:
https://pypi.org/project/MySQL-python/#description

Cannot install pyqt5-tools - 'Could not find a version that satisfies the requirement pyqt5-tools'

I try to install pyqt5-tools like this:
pip install pyqt5-tools
and the resulting out put is:
ERROR: Could not find a version that satisfies the requirement pyqt5-tools (from versions: none)
ERROR: No matching distribution found for pyqt5-tools
I need to download pyqt5-tools because I am trying to learn how to make GUIs with PyQt (I am a beginner programmer).
I have tried downloading different packages but anything related to PyQt has failed... It happens on both my Mac and Ubuntu machine.
I have checked that the packages are available on PyPI and literally copy-pasted the install command from the website into the terminal to make sure that I did not do it wrong.
Assuming you are installing that for qtdesigner. You can install it by package manager. I've installed it on my Debian machine
sudo apt install pyqt5-dev-tools pyqt5-dev
And you can find QtDesigner in
/usr/lib/x86_64-linux-gnu/qt5/bin/designer
If you are on windows use pip install PyQt5Designer instead.
You can download pyside2 it includes almost everything in pyqt5-tools; pyqt5, pyuic5 and the qdesigner
pip install PySide2
pyqt5-tools is only available for Windows as seen on their site: https://pypi.org/project/pyqt5-tools/
Try an alternative such as QT-creator for Mac: https://www.qt.io/download
This post strongly supports using Homebrew: Python PyQt on macOS Sierra
At first, if you are using python v3.10, probably, it won't work well.
when I have this error I uninstall python.
then install the python v3.9. it works better as it is older than v3.10
Best Solution I found
If you try to download pyqt5-tools it's not going to work with python v.3.10.x. But if you want to download it correctly you should try this solution because it works for me.
Install PyQt5:
pip install pyqt5
Install PyQt5Designer:
pip install PyQt5Designer
Then you should Find the Qt Designer, under the name designer.exe:
C:\...\Python\Python310\Lib\site-packages\QtDesigner\designer.exe
Note that the installation path of python may be different for you, to find yours, try this on your Python interpreter, type the following commands:
>>> import os, sys
>>> os.path.dirname(sys.executable)
'C:\\path-to-your-python-installation\\Python\\Python310'
Then you should find the QtDesigner after that path in for of:
C:\...\Python310\Lib\site-packages\QtDesigner\designer.exe
Just click on it, and pin it to your start or taskbar.
Or Simply if you want to download it directly as .exe, But I'm not sure if this can miss some pyqt5-tools:
Qt Designer Download
Go to Your python installation folder and find this followings:
Go here
Lib\site-packages\qt5_applications\Qt\bin
and you will find your qt designer
you should change your version from the newest version to a slightly old one, for example, 3.10 to 3.8 .
it is a normal thing when a new version is released, keep in mind that you have to update pip (using: python -m pip install --upgrade pip )

Pip installing wrong version on win7,

I have a package that I am trying to install via pip install allen-bradley-toolkit. The package is failing with the following reason.
The problem seems to related to the fact that pip is trying to install 1.0a1.post0 instead of the latest release version 2.0.0. Does anyone have any ideas on what to do about this. Perhaps there is something wrong in my deployment script. You can view the Github Library here to see how I am deploying to PyPi.
There is an issue opened on the GitHub Tracker #2 that you can also reference for more info.
NOTE: The package seems to install fine on my win10 machine. But I am unable to get it to install on a win7 VM.
Ive also tried installing with the following commands:
pip install --no-cache-dir allen-bradley-toolkit
pip install allen-bradley-toolkit==2.0.0 -> this ones throws a 'doesnt exist error`
At https://pypi.python.org/pypi/allen-bradley-toolkit/2.0.0 I see that the wheel is only available for Python 3. You're trying to install it with Python 2.7.
To publish a universal wheel (suitable for both Py2 and Py3) you need to set
[bdist_wheel]
universal = 1
in setup.cfg or run
python setup.py bdist_wheel --universal
The 2nd line of the output has a clue to the problem - "Using cached ..."
You can skip the cache using the --skip-cache --no-cache-dir option to pip install or request an upgrade using the -U option
edit: updated comment with the correct option (although, seems like that wasn't the problem in this specific case).

Why is pip installing an old version of my package?

I've just uploaded a new version of my package to PyPi (1.2.1.0-r4): I can download the egg file and install it with easy_install, and the version checks out correctly. But when I try to install using pip, it installs version 1.1.0.0 instead. Even if I explicitly specify the version to pip with pip install -Iv tome==1.2.1.0-r4, I get this message: Requested tome==1.2.1.0-r4, but installing version 1.1.0.0, but I don't understand why.
I double checked with parse_version and confirmed that the version string on 1.2.1 is greater than that on 1.1.0 as shown:
>>> from pkg_resources import parse_version as pv
>>> pv('1.1.0.0') < pv('1.2.1.0-r4')
True
>>>
So any idea why it's choosing to install 1.1.0 instead?
This is an excellent question. It took me forever to figure out. This is the solution that works for me:
Apparently, if pip can find a local version of the package, pip will prefer the local versions to remote ones. I even disconnected my computer from the internet and tried it again -- when pip still installed the package successfully, and didn't even complain, the source was obviously local.
The really confusing part, in my case, was that pip found the newer versions on pypi, reported them, and then went ahead and re-installed the older version anyway ... arggh. Also, it didn't tell me what it was doing, and why.
So how did I solve this problem?
You can get pip to give verbose output using the -v flag ... but one isn't enough. I RTFM-ed the help, which said you can do -v multiple times, up to 3x, for more verbose output. So I did:
pip install -vvv <my_package>
Then I looked through the output. One line caught my eye:
Source in /tmp/pip-build-root/ has version 0.0.11, which satisfies requirement <my_package>
I deleted that directory, after which pip installed the newest version from pypi.
Try forcing download the package again with:
pip install --no-cache-dir --upgrade <package>
Thanks to Marcus Smith, who does amazing work as a maintener of pip, this was fixed in version 1.4 of pip which was released on 2013-07-23.
Relevant information from the changelog for this version
Fixed a number of issues (#413, #709, #634, #602, and #939) related to
cleaning up and not reusing build directories. (Pull #865, #948)
I found here that there is a known bug in pip that it won't check the version if there's a build directory with unpacked sources. I have checked this on my troubling package and after deleting its sources from build directory pip installed the required version.
If you are using a pip version that comes with some distribution packages (ex. Ubuntu python-pip), you may need to install a newer pip version:
Update pip to latest version:
sudo pip install -U pip
In case of "virtualenv", skip "sudo":
pip install -U pip
Following command may be required, if your shell report something like -bash: /usr/bin/pip: No such file or directory after pip update:
hash -d pip
Now install your package as usual:
pip install -U foo
or
pip install foo==package.version.here
Got the same issue to update pika 0.9.5 to 0.9.8. The only working way was to install from tarball: pip install https://pypi.python.org/packages/source/p/pika/pika-0.9.8.tar.gz.
In my case the python version used (3.4) didn't satisfy Django 2.1 dependencies requirements (python >= 3.5).
For my case I had to delete the .pip folder in my home directory and then I was able to get later versions of multiple libraries. Note that this was on linux.
pip --version
pip 18.1 from /usr/lib/python2.7/site-packages/pip (python 2.7)
virtualenv --version
15.1.0
Just in case that anyone else hassles with upgrading torchtext (or probably any other torch library):
Although https://pypi.org/project/torchtext/ states that you could run pip install torchtext I had to install it similiar to torch by specifying --find-links aka -f:
pip install torchtext===0.8.1 -f https://download.pytorch.org/whl/torch_stable.html
What irritated me was that PyCharm pointed me to the new version, but couldn't find it when attempting to upgrade to it. I guess that PyCharm uses its own mechanism to spot new versions. Then, when invoking pip under the hood, it didn't find the new version without the --find-links option.
In my case I am pip installing a .tar.gz package from Artifactory that I make a lot of updates to. In order to overwrite my cached Python files and always grab/install the latest I was able to run:
pip install --no-cache-dir --force-reinstall <path/to/tar.gz>
You should see this re-download any necessary files and install those, instead of using your local cache.
10 years on and pip still fails to work as expected 😖.
I wasted a couple of hours now banging my head against the wall trying to find out why pip won't install a development version of my package. In my case, there are versions 0.0.4 and 0.0.5.dev1 in a private gitlab.com package registry (hence the --extra-index-url argument below), but I believe that's not relevant to the problem.
Following a lot of the advice on this page, I create a test venv in a far away folder, clear the pip cache, uninstall the package in question, etc. first to rule out the most common problems:
$ pip cache purge && \
pip uninstall --yes my-package && \
pip install --extra-index-url "https://_:${GITLAB_PASSWORD_TOOLS_VAULTTOOLS}#gitlab.com/api/v4/projects/<project-id>/packages/pypi/simple" \
--no-cache-dir \
--pre \
--upgrade my-package
output (using empty lines to separate output for commands):
WARNING: No matching packages
Files removed: 0
Found existing installation: my-package 0.0.4
Uninstalling my-package-0.0.4:
Successfully uninstalled my-package-0.0.4
Looking in indexes: https://pypi.org/simple, https://_:****#gitlab.com/api/v4/projects/<project-id>/packages/pypi/simple
Collecting my-package
Downloading https://gitlab.com/api/v4/projects/<project-id>/packages/pypi/files/f07 ... 397/my_package-0.0.5.dev1-py3-none-any.whl (16 kB)
Downloading https://gitlab.com/api/v4/projects/<project-id>/packages/pypi/files/775 ... 70e/my_package-0.0.4-py3-none-any.whl (16 kB)
...
Successfully installed my-package-0.0.4
So pip does see the dev package version, but chooses the earlier one nonetheless.
In an attempt to figure out what's going on, I published a 0.0.5 version: Error persists, pip sees all three versions, but still installs 0.0.4.
In a further, increasingly desperate attempt, I removed any versions prior to 0.0.5* from the gitlab.com package registry.
Only now, pip would bother to actually display some useful information:
$ (same command as above)
... (similar output as above) ...
ERROR: Cannot install my-package==0.0.5 and my-package==0.0.5.dev1 because these package versions have conflicting dependencies.
The conflict is caused by:
my-package 0.0.5 depends on my-other-package<0.2.5 and >=0.2.4
my-package 0.0.5.dev1 depends on my-other-package<0.2.5 and >=0.2.4
To fix this you could try to:
1. loosen the range of package versions you've specified
2. remove package versions to allow pip attempt to solve the dependency conflict
ERROR: ResolutionImpossible: for help visit https://pip.pypa.io/en/latest/topics/dependency-resolution/#dealing-with-dependency-conflicts
OK, so there is something wrong with my package dependencies. Thanks for letting me know.
Seriously - I tried hard for a couple of hours using all kinds of pip ... -vvv and/or fixed versions such as e.g. my-package==0.0.5.dev1 - but I did not manage to get any useful output out of pip - until I wiped the entire history from my package registry 🤬.
Hope this at least helps someone in the same situation.
I found that if you use microversions, pip doesn't seem to recognize them. For example, we couldn't get version 1.9.9.1 to upgrade.
In my case, someone had published the latest version of a package with python2, so attempting to pip3 install it grabbed an older version that had been built with python3.
Handy things to check when debugging this:
If pip install claims to not be able to find the version, see whether pip search can see it.
Take a look at the "Download Files" section on the pypi repo -- the filenames might suggest what's wrong (in my case i saw -py2- there clear as day).
As suggested by others, try running pip install --no-cache-dir in case pip isn't bothering to ask the internet because it already has your answer locally.
I had hidden unversioned files under the Git tab in PyCharm that were being installed with pip install . even though I didn't see the files anywhere else.
Took a long time to find it for me, posting this in hope that it'll help somebody else.
if you need the path for your package do pip -v list. Example see related post when using pip -e Why is an old version of a package of my python library installing by itself with pip -e?

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