Can't install the library #10

kazoo-kmt · 2017-01-05T08:06:28Z

When I tried to install (sudo python setup.py install), I got the followings. Do I need to copy rs.h by hand from librealsense?

running install
Checking .pth file support in /Library/Python/2.7/site-packages/
/usr/bin/python -E -c pass
TEST PASSED: /Library/Python/2.7/site-packages/ appears to support .pth files
running bdist_egg
running egg_info
writing pyrealsense.egg-info/PKG-INFO
writing top-level names to pyrealsense.egg-info/top_level.txt
writing dependency_links to pyrealsense.egg-info/dependency_links.txt
reading manifest file 'pyrealsense.egg-info/SOURCES.txt'
writing manifest file 'pyrealsense.egg-info/SOURCES.txt'
installing library code to build/bdist.macosx-10.12-intel/egg
running install_lib
running build_py
copying pyrealsense/constants.py -> build/lib.macosx-10.12-intel-2.7/pyrealsense
running build_ext
building 'pyrealsense.rsutilwrapper' extension
cc -fno-strict-aliasing -fno-common -dynamic -arch x86_64 -arch i386 -g -Os -pipe -fno-common -fno-strict-aliasing -fwrapv -DENABLE_DTRACE -DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -arch x86_64 -arch i386 -pipe -I/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/numpy/core/include -I/usr/local/include/librealsense -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c pyrealsense/rsutilwrapper.c -o build/temp.macosx-10.12-intel-2.7/pyrealsense/rsutilwrapper.o
pyrealsense/rsutilwrapper.c:1:10: fatal error: 'rs.h' file not found
#include "rs.h"
         ^
1 error generated.
error: command 'cc' failed with exit status 1

I'm using macOS 10.12.2

The text was updated successfully, but these errors were encountered:

toinsson · 2017-01-05T10:23:52Z

Hello, you need to install librealsense before installing pyrealsense.

In the cc command from your log, there is -I/usr/local/include/librealsense which shows one include path. Under the directory /usr/local/include/librealsense you should find rs.h. If not, make sure librealsense is correctly installed.

And you shouldn't need sudo to install pyrealsense too.

I am not developing on Mac Os, so my help will be limited..

kazoo-kmt · 2017-01-05T21:08:51Z

Thank you. librealsense is not under the directory /usr/local/include/librealsense in macOS's installation. I may need to place it manually.

kazoo-kmt · 2017-01-05T21:51:51Z

When I ran python setup.py install without sudo, I got the following error:

running install
Checking .pth file support in /Library/Python/2.7/site-packages/
error: can't create or remove files in install directory

The following error occurred while trying to add or remove files in the
installation directory:

    [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/test-easy-install-26726.pth'

The installation directory you specified (via --install-dir, --prefix, or
the distutils default setting) was:

    /Library/Python/2.7/site-packages/

Perhaps your account does not have write access to this directory?  If the
installation directory is a system-owned directory, you may need to sign in
as the administrator or "root" account.  If you do not have administrative
access to this machine, you may wish to choose a different installation
directory, preferably one that is listed in your PYTHONPATH environment
variable.

For information on other options, you may wish to consult the
documentation at:

  https://pythonhosted.org/setuptools/easy_install.html

Please make the appropriate changes for your system and try again.

When I put sudo and ran (after I copy pasted librealsense to usr/loca/include), I got another error as follows. Does this mean I'm still failing to install libreansense?

running install
Checking .pth file support in /Library/Python/2.7/site-packages/
/usr/bin/python -E -c pass
TEST PASSED: /Library/Python/2.7/site-packages/ appears to support .pth files
running bdist_egg
running egg_info
writing pyrealsense.egg-info/PKG-INFO
writing top-level names to pyrealsense.egg-info/top_level.txt
writing dependency_links to pyrealsense.egg-info/dependency_links.txt
reading manifest file 'pyrealsense.egg-info/SOURCES.txt'
writing manifest file 'pyrealsense.egg-info/SOURCES.txt'
installing library code to build/bdist.macosx-10.12-intel/egg
running install_lib
running build_py
copying pyrealsense/constants.py -> build/lib.macosx-10.12-intel-2.7/pyrealsense
running build_ext
building 'pyrealsense.rsutilwrapper' extension
cc -fno-strict-aliasing -fno-common -dynamic -arch x86_64 -arch i386 -g -Os -pipe -fno-common -fno-strict-aliasing -fwrapv -DENABLE_DTRACE -DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -arch x86_64 -arch i386 -pipe -I/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/numpy/core/include -I/usr/local/include/librealsense -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c pyrealsense/rsutilwrapper.c -o build/temp.macosx-10.12-intel-2.7/pyrealsense/rsutilwrapper.o
In file included from pyrealsense/rsutilwrapper.c:2:
/usr/local/include/librealsense/rsutil.h:11:13: warning: unused function
      'rs_project_point_to_pixel' [-Wunused-function]
static void rs_project_point_to_pixel(float pixel[2], const struct rs_intrinsics * intrin...
            ^
/usr/local/include/librealsense/rsutil.h:55:13: warning: unused function
      'rs_transform_point_to_point' [-Wunused-function]
static void rs_transform_point_to_point(float to_point[3], const struct rs_extrinsics * e...
            ^
2 warnings generated.
In file included from pyrealsense/rsutilwrapper.c:2:
/usr/local/include/librealsense/rsutil.h:11:13: warning: unused function
      'rs_project_point_to_pixel' [-Wunused-function]
static void rs_project_point_to_pixel(float pixel[2], const struct rs_intrinsics * intrin...
            ^
/usr/local/include/librealsense/rsutil.h:55:13: warning: unused function
      'rs_transform_point_to_point' [-Wunused-function]
static void rs_transform_point_to_point(float to_point[3], const struct rs_extrinsics * e...
            ^
2 warnings generated.
cc -bundle -undefined dynamic_lookup -arch x86_64 -arch i386 -Wl,-F. build/temp.macosx-10.12-intel-2.7/pyrealsense/rsutilwrapper.o -L/usr/local/lib -lrealsense -o build/lib.macosx-10.12-intel-2.7/pyrealsense/rsutilwrapper.so
ld: library not found for -lrealsense
clang: error: linker command failed with exit code 1 (use -v to see invocation)
error: command 'cc' failed with exit status 1

kazoo-kmt · 2017-01-07T09:03:23Z

This error was because of the incorrect installation. After trying the same process as Linux installation here (editorhttps://github.com/IntelRealSense/librealsense/blob/master/doc/installation.md#3rd-party-dependencies) at 5( provide a cmake file if you'd prefer to use your own favourite text ):

mkdir build
cd build
cmake ..
make && sudo make install

the error vanished. However, I'm still having a same issue as #11.

>>> import pyrealsense
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "pyrealsense/__init__.py", line 14, in <module>
    from pyrealsense.utils import pp, _check_error
  File "pyrealsense/utils.py", line 8, in <module>
    lrs = ctypes.CDLL('librealsense.so')
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/ctypes/__init__.py", line 365, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: dlopen(librealsense.so, 6): image not found

toinsson · 2017-01-08T12:08:31Z

I guess on Mac the suffix to the lib file is not going to be so but dylib maybe ?

you should change this line maybe:

if _file.endswith(".so"):

kazoo-kmt · 2017-01-08T19:29:48Z

I changed all '.so' to '.dylib' in init.py and utils.py. Then, I got the following error.

>>> import pyrealsense
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "pyrealsense/__init__.py", line 14, in <module>
    from pyrealsense.utils import pp, _check_error
  File "pyrealsense/utils.py", line 9, in <module>
    lrs = ctypes.CDLL('librealsense.dylib')
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/ctypes/__init__.py", line 365, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: dlopen(librealsense.dylib, 6): image not found

toinsson · 2017-01-10T23:16:41Z

I updated the library for Mac OS, you should be able to install it now. Please update to the latest commit on master (v1.2) and test again.

kazoo-kmt · 2017-01-11T01:31:45Z

Thank you. I git cloned and git checkout v1.2, then ran sudo python setup.py install. I got followings when I tried to use import pyrealsense:

$ python
Python 2.7.10 (default, Jul 30 2016, 19:40:32) 
[GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.34)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyrealsense
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "pyrealsense/__init__.py", line 14, in <module>
    from .utils import pp, _check_error
  File "pyrealsense/utils.py", line 7, in <module>
    from .importlib import lrs
  File "pyrealsense/importlib.py", line 25, in <module>
    rsutilwrapper = ctypes.CDLL(_find_extension_name())
  File "pyrealsense/importlib.py", line 23, in _find_extension_name
    return os.path.join(dirname, f_name)
UnboundLocalError: local variable 'f_name' referenced before assignment

toinsson · 2017-01-11T10:58:55Z

You should import the library outside of the source directory, otherwise you won't see the compiled file.

kazoo-kmt · 2017-01-11T18:13:33Z

I see. I tried from the home directory and got the followings.

$ python 
Python 2.7.10 (default, Jul 30 2016, 19:40:32) 
[GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.34)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyrealsense
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Library/Python/2.7/site-packages/pyrealsense-1.2-py2.7-macosx-10.12-intel.egg/pyrealsense/__init__.py", line 14, in <module>
    from .utils import pp, _check_error
  File "/Library/Python/2.7/site-packages/pyrealsense-1.2-py2.7-macosx-10.12-intel.egg/pyrealsense/utils.py", line 7, in <module>
    from .importlib import lrs
  File "/Library/Python/2.7/site-packages/pyrealsense-1.2-py2.7-macosx-10.12-intel.egg/pyrealsense/importlib.py", line 25, in <module>
    rsutilwrapper = ctypes.CDLL(_find_extension_name())
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/ctypes/__init__.py", line 365, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: dlopen(/Library/Python/2.7/site-packages/pyrealsense-1.2-py2.7-macosx-10.12-intel.egg/pyrealsense/rsutilwrapper.so, 6): Library not loaded: librealsense.1.dylib
  Referenced from: /Library/Python/2.7/site-packages/pyrealsense-1.2-py2.7-macosx-10.12-intel.egg/pyrealsense/rsutilwrapper.so
  Reason: unsafe use of relative rpath librealsense.1.dylib in /Library/Python/2.7/site-packages/pyrealsense-1.2-py2.7-macosx-10.12-intel.egg/pyrealsense/rsutilwrapper.so with restricted binary

toinsson · 2017-01-11T18:28:41Z

I'll advise you to use Anaconda's Python to start with. https://www.continuum.io/downloads
Create an environement, something like that:

conda create -n pyrs python=2
source activate pyrs
conda install numpy
pip install pycparser

And install the library with:

python setup.py install

Otherwise, I am not sure I'd be able to provide you with more help : (

kazoo-kmt · 2017-01-12T00:27:20Z

Thank you very much! I tried Anaconda and I could successfully install, though I needed to add sudo before python setup.py install(I got error: [Errno 13] Permission denied: 'pyrealsense.egg-info/PKG-INFO')

kazoo-kmt · 2017-01-12T06:16:45Z

Also, I would leave the note to install OpenCV (cv2) on this Anaconda environment to run the sample file. It's based on here (http://www.pyimagesearch.com/2016/11/28/macos-install-opencv-3-and-python-2-7/), but need some modification.

git clone https://github.com/opencv/opencv
git clone https://github.com/opencv/opencv_contrib
cd ~/opencv
mkdir build
cd build/
cmake -D CMAKE_BUILD_TYPE=RELEASE \
-D CMAKE_INSTALL_PREFIX=/usr/local \
    -D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib/modules \
    -D PYTHON2_LIBRARY=/Users/user_name/anaconda2/envs/pyrs/lib/libpython2.7.dylib \
    -D PYTHON2_INCLUDE_DIR=/Users/user_name/anaconda2/envs/pyrs/include/python2.7 \
    -D PYTHON2_EXECUTABLE=/Users/user_name/anaconda2/envs/pyrs/bin/python \
    -D BUILD_opencv_python2=ON \
    -D BUILD_opencv_python3=OFF \
    -D INSTALL_PYTHON_EXAMPLES=ON \
    -D INSTALL_C_EXAMPLES=OFF \
    -D BUILD_EXAMPLES=ON ..
make -j4
sudo make install
cd /usr/local/lib/python2.7/site-packages/ (then check there is cv2.so in this directory)
cd /Users/user_name/anaconda2/envs/pyrs/lib/python2.7/site-packages
ln -s /usr/local/lib/python2.7/site-packages/cv2.so cv2.so

ljc19800331 · 2018-01-20T23:12:33Z

Hello @kazoo-kmt, I am using ubuntu 16.04 to install realsense and get the similar problem. Can you show me the way of installing pyrealsense through anaconda? I tried many times but still get the error "pyrealsense/rsutilwrapper.c:1:10: fatal error: 'rs.h' file not found". Thanks.

kazoo-kmt · 2018-01-27T09:47:53Z

Hi @ljc19800331, I followed the instruction here (#10 (comment)) when installing with Anaconda. Can you find rs.h under /usr/local/include/librealsense as @toinsson mentioned here (#10 (comment)) before? If not, you might fail librealsense's installation.

One thing you should notice is that pyrealsense doesn't support the latest librealsense as discussed here (#55). You need the legacy version of librealsense (https://github.com/IntelRealSense/librealsense/tree/v1.12.1).

kazoo-kmt closed this as completed Jan 12, 2017

scaldara55 mentioned this issue Apr 6, 2017

Trouble installing pyrealsense from source #20

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