I tried installing pyzmq by http://ipython.org/ipython-doc/dev/install/install.html as I want to install ipython. But it has dependency on pyzmq which has dependency on gcc. I already have gcc installed but still I am getting the following error while install pyzmq.
compilation terminated.
error: Setup script exited with error: command 'gcc' failed with exit status 1
The script also has following in it:
If you expected pyzmq to link against an installed libzmq, please check to make sure:
* You have a C compiler installed
* A development version of Python is installed (including headers)
* A development version of ZMQ >= 2.1.4 is installed (including headers)
* If ZMQ is not in a default location, supply the argument --zmq=<path>
* If you did recently install ZMQ to a default location,
try rebuilding the ld cache with `sudo ldconfig`
or specify zmq's location with `--zmq=/usr/local`
You can skip all this detection/waiting nonsense if you know
you want pyzmq to bundle libzmq as an extension by passing:
`--zmq=bundled`
I will now try to build libzmq as a Python extension
I already have all the above but still issues. I am guessing I have path issues i.e. may be pyzmq is looking at other location but how do I solve this problem
This is a huge issue in Windows to install ipython. I would recommend Windows users to never go the pip or easy_install way to install it. I faced a lot of issues like above. I read that it still has dependencies issues on github i.e. via pip.
I got it installed finally by this:
Download and install Anaconda
Update IPython to the current version by:
Go to Anaconda directory or look for anaconda cmd & do the following:
conda update conda
conda update ipython
Related
I was installing firebase-admin using pip on my raspberry pi 3b+ using the following command:
pip3 install firebase-admin
However it always ends with an error saying "Error building wheel for cryptography"
Here is the full error message:
/tmp/pip-build-env-k7qo7p54/overlay/lib/python3.7/site-packages/setuptools/command/build_py.py:202: SetuptoolsDeprecationWarning: Installing 'cryptography.hazmat.bindings._rust' as data is deprecated, please list it in packages.
!!
############################
# Package would be ignored #
############################
Python recognizes 'cryptography.hazmat.bindings._rust' as an importable package,
but it is not listed in the `packages` configuration of setuptools.
'cryptography.hazmat.bindings._rust' has been automatically added to the distribution only
because it may contain data files, but this behavior is likely to change
in future versions of setuptools (and therefore is considered deprecated).
Please make sure that 'cryptography.hazmat.bindings._rust' is included as a package by using
the `packages` configuration field or the proper discovery methods
(for example by using `find_namespace_packages(...)`/`find_namespace:`
instead of `find_packages(...)`/`find:`).
You can read more about "package discovery" and "data files" on setuptools
documentation page.
!!
check.warn(importable)
=============================DEBUG ASSISTANCE=============================
If you are seeing a compilation error please try the following steps to
successfully install cryptography:
1) Upgrade to the latest pip and try again. This will fix errors for most
users. See: https://pip.pypa.io/en/stable/installing/#upgrading-pip
2) Read https://cryptography.io/en/latest/installation/ for specific
instructions for your platform.
3) Check our frequently asked questions for more information:
https://cryptography.io/en/latest/faq/
4) Ensure you have a recent Rust toolchain installed:
https://cryptography.io/en/latest/installation/#rust
Python: 3.7.3
platform: Linux-5.10.103-v7+-armv7l-with-debian-10.13
pip: n/a
setuptools: 67.0.0
setuptools_rust: 1.5.2
rustc: n/a
=============================DEBUG ASSISTANCE=============================
error: can't find Rust compiler
If you are using an outdated pip version, it is possible a prebuilt wheel is available for this package but pip is not able to install from it. Installing from the wheel would avoid the need for a Rust compiler.
To update pip, run:
pip install --upgrade pip
and then retry package installation.
If you did intend to build this package from source, try installing a Rust compiler from your system package manager and ensure it is on the PATH during installation. Alternatively, rustup (available at https://rustup.rs) is the recommended way to download and update the Rust compiler toolchain.
This package requires Rust >=1.48.0.
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for cryptography
Failed to build cryptography
ERROR: Could not build wheels for cryptography, which is required to install pyproject.toml-based projects
I have tried different commands like:
pip3 install firebase-admin
or
python -m pip install firebase-admin
I have upgraded pip and tried again, but still it didn't work
I faced a similar problem long time ago and solved by installing openssl. Tried it this time, it didn't work
Also tried installing rust compiler and using it but it didn't work
I am using Raspbian OS Buster on my Raspberry Pi 3
I have tried fresh installs of the OS
Still the same problem occurs
Before I get to far into this, I should note that I have seen a very similar question, but the solution presented did not work for me. Perhaps one reason why is because that was Linux build and my current difficulty is on a Windows 7 machine. I use Cygwin to get access to the gcc (5.2.0) compiler suite.
In any event, I have been attempting to try out Stan via PyStan. I am working with an Anaconda (2.4.1 64-bit) distribution which I just updated today (Python 2.7.11). I initially tried to install PyStan via pip, but the install keeps failing due to what looks like the following error:
Cannot build msvcr library: "msvcr90d.dll" not found
Consequently, I used conda instead, which seemed to install just fine. (I should note that the conda install pushed my numpy back to an earlier version, which created conflicts with the pandas upon import. I just updated anaconda to deal with these broken dependencies.) I was also able to import PyStan without any problems. However, when I actually tried to fit a model (inside of a Jupyter Notebook), the process failed with the exception in the title.
The first thing I did was confirm that gcc was where in the referenced location (not shown in the title). Indeed it was, and it seemed to working just fine. I then tried to run the model as a script from the command line (still using Python), and it failed with the same error. When I recreated the model via the REPL, it pointed to a different location that had a .bat file referencing the (verified) compiler, and that failed as well.
I am pretty sure this is because I have Visual Studio 2012, instead of Visual Studio 2008. While it is possible for me to run parallel installations, if this code is going to be useful for others in the future, these are not reasonable hoops to jump through to make it happen. I was hoping that someone else might have a better explanation. Any info would be greatly appreciated.
Beneficial from the post at https://github.com/stan-dev/pystan/issues/306
I have met various error message, but finally, I install PyStan successfully.
My machine is also on Windows 7, x64 with Anaconda3 installed.Here are the procedures to install PyStan from the sourced codes.
Install Visual Studio 2017 & Visual Studio C++ Build Tool 2015 at http://landinghub.visualstudio.com/visual-cpp-build-tools
Update Conda
conda update conda
conda update --all
check the dependencies
pip install setuptool
conda install numpy cython matplotlib scipy pandas
Install gcc compiler components
conda install libpython
conda install -c msys2 m2w64-toolchain=5.3.0
created distutils.cfg file inside Anaconda3\Lib\distutils folder with the following:
[build]
compiler = mingw32
Download Git at https://git-scm.com/downloads
git clone --recursive https://github.com/stan-dev/pystan.git
Compile from the source code
python setup.py build --compiler=mingw32
python setup.py install
P.S. The solution for the issue: Cannot build msvcr library: "vcruntime140d.dll" not found.
Copy vcruntime140d.dll from C:\Windows\System32 to any folder, which is reachable in the path in the advanced system settings/environment variables/ system variables.
I want to install PySide using PIP package manager. But it get this error message saying it didn't find nmake. This is no surprise because I do not have MSVC installed nor do I intend to.
Installing collected packages: pyside
Running setup.py install for pyside
Removing c:\users\cnyffele\appdata\local\temp\pip_build_cnyffele\pyside\pyside_package
Python architecture is 32bit
nmake not found. Trying to initialize the MSVC env...
Searching MSVC compiler version 9.0
error: Failed to find the MSVC compiler version 9.0 on your system.
However the setup.py program could simply run make:
C:\Users\cnyffele>where make
C:\MinGW32-xy\bin\make.exe
C:\Users\cnyffele>where mingw32-make
C:\MinGW32-xy\bin\mingw32-make.exe
But for some reason, it insists that if the platform is "win32" it should use msvc without trying anything else. It does, however, accept command-line options: I could specify "make-spec" to be "mingw" (see below).
From https://github.com/PySide/pyside-setup/blob/master/setup.py
OPTION_MAKESPEC = option_value("make-spec")
...
if sys.platform == "win32":
if OPTION_MAKESPEC is None:
OPTION_MAKESPEC = "msvc"
if not OPTION_MAKESPEC in ["msvc", "mingw"]:
print("Invalid option --make-spec. Available values are %s" % (["msvc", "mingw"]))
sys.exit(1)
How can I make setyp.py use the correct make when installing with PIP? Is there a way to have PIP provide command-line options to setup.py when it runs it? If this is not possible, how can I run setup.py manually after PIP downloaded it?
PIP allows passing options to setup via the options '--global-option' and '--install-option' as described in the pip reference guide.
The solution is:
pip install --global-option="--make-spec=mingw" PySide
Some additional information:
That prior to installing PySide using pip, you have to install cmake and Qt 4.8.
Build errors prevented me from downloading and installing PySide directly via pip. I needed to download the wheel binary packages from pypi.python.org.
Using a pre-downloaded .whl package, assuming the package is located in the current working directory:
pip install --global-option="--make-spec=mingw" PySide-1.2.4-cp27-none-win32.whl
I am just starting with virtualenv, but I am trying to install gevent within a virtualenv environment (I am running Windows). When I use PIP from virtualenv, I get this error:
MyEnv>pip install gevent
Downloading/unpacking gevent
Running setup.py egg_info for package gevent
Please provide path to libevent source with --libevent DIR
The package index has MSIs and EXEs for installing on Windows (http://pypi.python.org/pypi/gevent/0.13.7), but I don't know how to install those into a virtualenv environment (or if that is even possible). When I try pip install gevent-0.13.7.win32-py2.7.exe from the virtualenv promp, I get an error as well:
ValueError: ('Expected version spec in', 'D:\\Downloads\\gevent-0.13.7.win32-py2.7.exe', 'at', ':\\Downloads\\gevent-0.13.7.win32-py2.7.exe')
Does someone know how to do this?
Pip doesn't support installing binary packages, yet. If you want to install from binary package you have to use easy_install - easy_install gevent-0.13.7.win32-py2.7.exe
Microsoft Windows XP [Wersja 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
Z:\>virtualenv z:\venv\gevent-install
New python executable in z:\venv\gevent-install\Scripts\python.exe
Installing distribute..................................................................................................
............................................................................................done.
Installing pip.................done.
Z:\>venv\gevent-install\Scripts\activate
(gevent-install) Z:\>easy_install c:\python\packages\gevent-0.13.7.win32-py2.7.exe
Processing gevent-0.13.7.win32-py2.7.exe
creating 'c:\docume~1\pdobro~1\ustawi~1\temp\easy_install-b5nj3i\gevent-0.13.7-py2.7-win32.egg' and adding 'c:\docume~1
pdobro~1\ustawi~1\temp\easy_install-b5nj3i\gevent-0.13.7-py2.7-win32.egg.tmp' to it
creating z:\venv\gevent-install\lib\site-packages\gevent-0.13.7-py2.7-win32.egg
Extracting gevent-0.13.7-py2.7-win32.egg to z:\venv\gevent-install\lib\site-packages
Adding gevent 0.13.7 to easy-install.pth file
Installed z:\venv\gevent-install\lib\site-packages\gevent-0.13.7-py2.7-win32.egg
Processing dependencies for gevent==0.13.7
Searching for greenlet
Reading http://pypi.python.org/simple/greenlet/
Reading http://bitbucket.org/ambroff/greenlet
Reading https://github.com/python-greenlet/greenlet
Best match: greenlet 0.3.4
Downloading http://pypi.python.org/packages/2.7/g/greenlet/greenlet-0.3.4-py2.7-win32.egg#md5=9941aa246358c586bb274812e
130629
Processing greenlet-0.3.4-py2.7-win32.egg
creating z:\venv\gevent-install\lib\site-packages\greenlet-0.3.4-py2.7-win32.egg
Extracting greenlet-0.3.4-py2.7-win32.egg to z:\venv\gevent-install\lib\site-packages
Adding greenlet 0.3.4 to easy-install.pth file
Installed z:\venv\gevent-install\lib\site-packages\greenlet-0.3.4-py2.7-win32.egg
Finished processing dependencies for gevent==0.13.7
(gevent-install) Z:\>
See Can I install Python windows packages into virtualenvs? Another option is to install from source and you can do this with pip but this requires setting up compiler and environment which is much harder than the simple command above.
From the error message, it would appear you need libevent source code. I would imagine you need to go a step further and compile/install libevent system-wide so pip can find it.
I would start by downloading the latest stable source from http://libevent.org/.
Compile and install it using instructions in the README: https://github.com/libevent/libevent#readme
To compile it on Windows, you'll need to use GNU-style build utilities like make and autoconf. I recommend http://www.mingw.org/.
Once you've installed libevent system-wide, I imagine pip will find it and proceed with gevent installation.
In the msi for gevent-0.13.7 there's an option to select an alternate installation point. point it to the root dir of your particular virtual environment (just above where /Lib and /Scripts are located). That should install it correctly.
You also need to make sure greenlets are installed. For that you can use Piotr's suggested method with easy_install on the .exe.
I am setting up os X 10.7.
I am using the default install of Python:
/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/
I use a Python based package manager called easy_install.
Easy_install seems to not be able to find the compiler.
EDIT: When I tried to install MySQL-python I got this error:
$ sudo easy_install MySQL-python
Password:
Searching for MySQL-python
Reading http://pypi.python.org/simple/MySQL-python/
Reading http://sourceforge.net/projects/mysql-python/
Reading http://sourceforge.net/projects/mysql-python
Best match: MySQL-python 1.2.3
Downloading http://download.sourceforge.net/sourceforge/mysql-python/MySQL-python-1.2.3.tar.gz
Processing MySQL-python-1.2.3.tar.gz
Running MySQL-python-1.2.3/setup.py -q bdist_egg --dist-dir /tmp/easy_install-P9H9WX/MySQL-python-1.2.3/egg-dist-tmp-rRTfZL
warning: no files found matching 'MANIFEST'
warning: no files found matching 'ChangeLog'
warning: no files found matching 'GPL'
unable to execute llvm-gcc-4.2: No such file or directory
error: Setup script exited with error: command 'llvm-gcc-4.2' failed with exit status 1
error: Setup script exited with error: command 'llvm-gcc-4.2' failed with exit status 1
Xcode 4.1 used GCC, but with Xcode 4.2 that seems to have changed.
What compiler does Apple want us to use?
How do I setup the configuration so I can compile OSS?
I had the exact same problem when I upgraded from OSX 10.6 to 10.7. If you upgrade to 10.7 from 10.6, your version of Python may go from 2.6 to 2.7 and a result you may need to re-install most of your python packages.
Here's what worked for me:
Install the latest version of XCode from the App Store
Inside XCode, go to Preferences -> Downloads -> Components
download the Command Line Tools
That's all you need to do. Try to install again in a new shell. The command line tool installation will put llvm-gcc-4.2 into /usr/bin which should be in your default path. The installation also takes care of library paths and stuff that you don't really want to know about unless something breaks.
10.9 edit
If you're running 10.9 or higher, I think you might be able to run this from the command line instead to install the command line tools:
xcode-select --install
I haven't verified that this is an actual fix to the problem.
Alternative to installing Xcode, install GCC and related tools via:
https://github.com/kennethreitz/osx-gcc-installer
Sounds to me you ran into this issue. The thread shows a variety of solutions.
Hope that helps.
The fix is quite simple. Check out the following blogpost.
http://waqasshabbir.tumblr.com/post/19073648382/llvm-gcc-4-2-exe-error-on-mac-osx-lion-when-building
Using OS X 10.7.5 (Lion)
I tried the XCode solution, but my gevent pip installation still wasn't successful. Then, I tried building libevent from source but still no success with gevent installation. However, after I did
brew install libevent
I was able to successfully install gevent with
sudo pip install gevent
(Note: greenlet is also a dependency for gevent, so you may try installing it with pip as well. It was already installed on my machine.)
All of the suggestions here (Xcode command line options, and Kenneth Reitz' stuff) didn't work for me (I am on Mac OS X 10.7.5, Xcode 4.6.3).
What helped in the end was altering the cflags options in the mysql_config file (There were errors about 'unreconized command line options' while trying to 'sudo pip install MySQL-python').
See this post: cc1: error: unrecognized command line option "-Wno-null-conversion" within installing python-mysql on mac 10.7.5