I have the following environment:
Linux Mint17.1 which comes pre-installed with python 2.7.6.
I setup an altinstall for python 3.3.5
Using python 3.3 I created a virtualenv
I am trying to install TA-Lib in the virtual env but am not having any success.
If I try to install with:
./easy_install TA-Lib
I get the following error:
Searching for TA-Lib
Reading https://pypi.python.org/simple/TA-Lib/
Reading http://github.com/mrjbq7/ta-lib
Reading https://github.com/mrjbq7/ta-lib/releases
Best match: TA-Lib 0.4.8
Downloading https://github.com/mrjbq7/ta-lib/archive/TA_Lib-0.4.8.zip
Processing TA_Lib-0.4.8.zip
Writing /tmp/easy_install-67a3vk/ta-lib-TA_Lib-0.4.8/setup.cfg
Running ta-lib-TA_Lib-0.4.8/setup.py -q bdist_egg --dist-dir/tmp/easy_install-67a3vk/ta-lib-TA_Lib-0.4.8/egg-dist-tmp-w24p9n
/tmp/easy_install-67a3vk/ta-lib-TA_Lib-0.4.8/setup.py:49: UserWarning: Cannot find ta-lib library, installation may fail.
warnings.warn('Cannot find ta-lib library, installation may fail.')
talib/common.c:314:28: fatal error: ta-lib/ta_defs.h: No such file or directory
#include "ta-lib/ta_defs.h"
^
compilation terminated.
error: Setup script exited with error: command 'gcc' failed with exit status 1
If I try to install with:
./pip install https://github.com/mrjbq7/ta-lib/archive/TA_Lib-0.4.8.tar.gz
I get the following error:
Downloading/unpacking https://github.com/mrjbq7/ta-lib/archive/TA_Lib-0.4.8.tar.gz
Downloading TA_Lib-0.4.8.tar.gz (unknown size): 544kB downloaded
Running setup.py (path:/tmp/pip-rxvyyh-build/setup.py) egg_info for package from https://github.com/mrjbq7/ta-lib/archive/TA_Lib-0.4.8.tar.gz
/tmp/pip-rxvyyh-build/setup.py:49: UserWarning: Cannot find ta-lib library, installation may fail.
warnings.warn('Cannot find ta-lib library, installation may fail.')
Installing collected packages: TA-Lib
Running setup.py install for TA-Lib
...removed to make post shorter...
compilation terminated.
/tmp/pip-rxvyyh-build/setup.py:49: UserWarning: Cannot find ta-lib library, installation may fail.
warnings.warn('Cannot find ta-lib library, installation may fail.')
error: command 'gcc' failed with exit status 1
So basically both approaches result in a final error of:
command 'gcc' failed with exit status 1
I have no problem installing other packages such as numpy, pandas, matplotlib etc in the virtualenv. It is just TA-Lib that is not working.
You don't have installed underlying ta-lib library. You can find more info on the project site https://github.com/mrjbq7/ta-lib :
Sometimes installation will produce build errors like this:
func.c:256:28: fatal error: ta-lib/ta_libc.h: No such file or directory compilation terminated.
This typically means that it can't find the underlying TA-Lib library, a dependency which needs to be installed.
Related
I'm trying to install psycopg2 module on python3 on a CentOS Linux 7 and getting the following error
In file included from psycopg/psycopgmodule.c:28:0:
./psycopg/psycopg.h:36:22: fatal error: libpq-fe.h: No such file or directory
#include <libpq-fe.h>
^
compilation terminated.
It appears you are missing some prerequisite to build the package from source.
You may install a binary package by installing 'psycopg2-binary' from PyPI.
If you want to install psycopg2 from source, please install the packages
required for the build and try again.
For further information please check the 'doc/src/install.rst' file (also at
<https://www.psycopg.org/docs/install.html>).
error: command 'gcc' failed with exit status 1
Any ideas as to what the solution would be?
Thanks
I've created a python package that uses lxml.
In setup.py I have defined:
packages=find_packages(), # Required
python_requires='>=3.8, <4',
install_requires=[
'typer[all]',
'packaging',
'lxml'
]
Tests, packaging and deployments work just fine.
However, after uploading the package to my company's PyPi repository, I'm trying to install the package with:
pip install -i <mypypirepo> <mypackage>
I get the a long error including:
fatal error C1083: Cannot open include file: 'libxml/xpath.h': No such file or directory
error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\BIN\\x86_amd64\\cl.exe' failed with exit code 2
*********************************************************************************
Could not find function xmlCheckVersion in library libxml2. Is libxml2 installed?
*********************************************************************************
----------------------------------------
ERROR: Command errored out with exit status 1: 'c:\python39\python.exe'
While trying to install manually the lxml I get the same exact error.
I found solutions on stackoverflow that talk about manually downloading a compatible wheel version of lxml and then installing it with pip.
However, the lxml is a part of the package that should be easily installed by the end-user.
Is there any way to solve the issue without forcing the user to manually install lxml?
Note: This issue only started happening after upgrading python from 3.8 to 3.9.
As of this writing 2020-10-12 there is no lxml wheel for python 3.9 on PyPI.
If using windows like I do there are unofficial wheels here:
https://www.lfd.uci.edu/~gohlke/pythonlibs/#lxml
I have been trying for 3 days to install this library. It uses CMake and i can't understand how to add OpenCV path within visual studio. I have tried a lot of things like:
1.use CMake-GUI to generate .sln file then build there is also an error.
2.try to add through cmd with CMake but there I face another error.
I believe there is a simple way of directly doing it through visual studio which I am unfamiliar of and can't seem to find it. If someone is kind enough to tell me in simple way how to install library using visual studio python 3.6.
Here is the error I get in VS 2017 after I try to install pybgs library through pip install pybgs
ERROR: Failed building wheel for pybgs
Failed to build pybgs
Installing collected packages: pybgs
Running setup.py install for pybgs: started
Running setup.py install for pybgs: finished with status 'error'
ERROR: Command errored out with exit status 1:
CMake Error at CMakeLists.txt:113 (find_package):
By not providing "FindOpenCV.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "OpenCV", but
CMake did not find one.
Could not find a package configuration file provided by "OpenCV" with any
of the following names:
OpenCVConfig.cmake
opencv-config.cmake
Just trying to run a
pip install CrossMap
on OSX 10.11.6 with a brew installed python (version 2.7.12) and pip (version 9.0.1) and running into this error:
htslib/hts_os.c:30:10: fatal error: 'os/rand.c' file not found
#include "os/rand.c"
^
1 error generated.
error: command 'clang' failed with exit status 1
I have looked everywhere for information on this error and it has come up empty. Where does this dependency come from and how do I install it?
Thanks!
CrossMap depends on pysam which is a wrapper for sam tools. You need to install htslib before compiling pysam.
This is what I am getting:
Adnans-MBP:~ AdnanAhmad$ easy_install psycopg2
Searching for psycopg2
Reading https://pypi.python.org/simple/psycopg2/
Downloading https://pypi.python.org/packages/7b/a8/dc2d50a6f37c157459cd18bab381c8e6134b9381b50fbe969997b2ae7dbc/psycopg2-2.6.2.tar.gz#md5=4a392949ba31a378a18ed3e775a4693f
Best match: psycopg2 2.6.2
Processing psycopg2-2.6.2.tar.gz
Writing /var/folders/d3/t5c58nx570ggzzknhm4zpjnw0000gn/T/easy_install-66rCLK/psycopg2-2.6.2/setup.cfg
Running psycopg2-2.6.2/setup.py -q bdist_egg --dist-dir /var/folders/d3/t5c58nx570ggzzknhm4zpjnw0000gn/T/easy_install-66rCLK/psycopg2-2.6.2/egg-dist-tmp-Vu8qsu
In file included from psycopg/psycopgmodule.c:27:
./psycopg/psycopg.h:31:10: fatal error: 'libpq-fe.h' file not found
#include <libpq-fe.h>
^
1 error generated.
error: Setup script exited with error: command 'gcc' failed with exit status 1
I am using PostgreSql.app
well, since you are using anaconda anyways, might as well take advantage of their binary packages! They have one for PostgreSQL! just type
conda install psycopg2