Comments (7)
You were right, the 2 versions of libgphoto2_port.so created the problem. Right now python gphoto2 seems to behave normally. I get and error(which i did not have before) but its coming from the CLI as well. A quick search on the web indicates a udev/hwdb related problem. I will have to investigate since im new to everything linux. Thanks a lot for your help! Here are some related info:
What i did in order to try and fix the 2 versions of libgphoto2_port.so:
sudo pip uninstall gphoto2
sudo apt-get purge libgphoto2-2-dev
wget https://raw.githubusercontent.com/gonzalo/gphoto2-updater/master/gphoto2-updater.sh && chmod +x gphoto2-updater.sh && sudo ./gphoto2-updater.sh
Here is the ldd:
gphoto2
pi@raspberrypi_01:/usr/local/bin $ ldd gphoto2
linux-vdso.so.1 (0x7ed93000)
/usr/lib/arm-linux-gnueabihf/libarmmem.so (0x76f74000)
libgphoto2.so.6 => /usr/local/lib/libgphoto2.so.6 (0x76ed2000)
libgphoto2_port.so.12 => /usr/local/lib/libgphoto2_port.so.12 (0x76eb9000)
libpthread.so.0 => /lib/arm-linux-gnueabihf/libpthread.so.0 (0x76e91000)
libexif.so.12 => /usr/lib/arm-linux-gnueabihf/libexif.so.12 (0x76e4e000)
libpopt.so.0 => /lib/arm-linux-gnueabihf/libpopt.so.0 (0x76e33000)
libm.so.6 => /lib/arm-linux-gnueabihf/libm.so.6 (0x76db7000)
libc.so.6 => /lib/arm-linux-gnueabihf/libc.so.6 (0x76c76000)
libltdl.so.7 => /usr/lib/arm-linux-gnueabihf/libltdl.so.7 (0x76c5e000)
/lib/ld-linux-armhf.so.3 (0x54ab7000)
libdl.so.2 => /lib/arm-linux-gnueabihf/libdl.so.2 (0x76c4b000)
_camera.so
pi@raspberrypi_01:/usr/local/lib/python2.7/dist-packages/gphoto2 $ ldd _camera.so
linux-vdso.so.1 (0x7ed6d000)
/usr/lib/arm-linux-gnueabihf/libarmmem.so (0x76f81000)
libgphoto2.so.6 => /usr/local/lib/libgphoto2.so.6 (0x76edf000)
libm.so.6 => /lib/arm-linux-gnueabihf/libm.so.6 (0x76e64000)
libgphoto2_port.so.12 => /usr/local/lib/libgphoto2_port.so.12 (0x76e4b000)
libpthread.so.0 => /lib/arm-linux-gnueabihf/libpthread.so.0 (0x76e23000)
libc.so.6 => /lib/arm-linux-gnueabihf/libc.so.6 (0x76ce2000)
/lib/ld-linux-armhf.so.3 (0x54b3e000)
libltdl.so.7 => /usr/lib/arm-linux-gnueabihf/libltdl.so.7 (0x76cc9000)
libexif.so.12 => /usr/lib/arm-linux-gnueabihf/libexif.so.12 (0x76c86000)
libdl.so.2 => /lib/arm-linux-gnueabihf/libdl.so.2 (0x76c73000)
Error from gphoto --summary:
pi@raspberrypi_01:/usr/local/bin $ gphoto2 --summary
*** Error ***
PTP I/O Error
*** Error (-7: 'I/O problem') ***
Error from python gphoto:
pi@raspberrypi_01:/usr/local/share/python-gphoto2/examples $ python camera-summary.py
WARNING: gphoto2: (gp_port_usb_close [libusb.c:325]) Invalid parameters: 'port && port->pl->dh' is NULL/FALSE.
WARNING: gphoto2: (camera_summary [library.c:5771]) 'ptp_getdeviceinfo (params, &pdi)' failed: 'PTP I/O Error' (0x02ff)
WARNING: gphoto2: (gp_context_error) PTP I/O Error
WARNING: gphoto2: (gp_camera_get_summary [gphoto2-camera.c:1244]) 'camera->functions->summary (camera, summary, context)' failed: -7
Traceback (most recent call last):
File "camera-summary.py", line 59, in <module>
sys.exit(main())
File "camera-summary.py", line 33, in main
text = gp.check_result(gp.gp_camera_get_summary(camera))
File "/usr/local/lib/python2.7/dist-packages/gphoto2/result.py", line 159, in check_result
raise gphoto2.GPhoto2Error(error)
gphoto2.GPhoto2Error: [-7] I/O problem
from python-gphoto2.
As it might be asked, here is what is listed in "/usr/local/lib/python2.7/dist-packages/gphoto2".
pi@raspberrypi_01:/usr/local/lib/python2.7/dist-packages/gphoto2 $ ls
abilities_list.py file.py list.pyc result.pyc
abilities_list.pyc file.pyc _list.so _result.so
_abilities_list.so _file.so port_info_list.py version.py
camera.py filesys.py port_info_list.pyc version.pyc
camera.pyc filesys.pyc _port_info_list.so _version.so
_camera.so _filesys.so port_log.py widget.py
context.py __init__.py port_log.pyc widget.pyc
context.pyc __init__.pyc _port_log.so _widget.so
_context.so list.py result.py
from python-gphoto2.
Find the gphoto2
command executable (with which gphoto2
) and run ldd
on it to see which gphoto2 libraries it's using, then run ldd
on _camera.so
and check it's using exactly the same libraries.
from python-gphoto2.
Thanks a lot for your help. I wouldn't even know where to begin otherwise.
Here is what is got:
Versions:
This version of gphoto2 is using the following software versions and options:
gphoto2 2.5.15 gcc, popt(m), exif, no cdk, no aa, no jpeg, no readline
libgphoto2 2.5.4 all camlibs, gcc, ltdl, EXIF
libgphoto2_port 0.12.0 iolibs: disk ptpip serial usb usbdiskdirect usbscsi, gcc, ltdl, USB, serial without locking
gphoto2
pi@raspberrypi_01:/usr/local/bin $ ldd gphoto2
linux-vdso.so.1 (0x7ee06000)
/usr/lib/arm-linux-gnueabihf/libarmmem.so (0x76f65000)
libgphoto2.so.6 => /usr/lib/arm-linux-gnueabihf/libgphoto2.so.6 (0x76ec8000)
libgphoto2_port.so.12 => /usr/local/lib/libgphoto2_port.so.12 (0x76eaf000)
libpthread.so.0 => /lib/arm-linux-gnueabihf/libpthread.so.0 (0x76e87000)
libexif.so.12 => /usr/lib/arm-linux-gnueabihf/libexif.so.12 (0x76e44000)
libpopt.so.0 => /lib/arm-linux-gnueabihf/libpopt.so.0 (0x76e29000)
libm.so.6 => /lib/arm-linux-gnueabihf/libm.so.6 (0x76dad000)
libc.so.6 => /lib/arm-linux-gnueabihf/libc.so.6 (0x76c6c000)
libgphoto2_port.so.10 => /usr/lib/arm-linux-gnueabihf/libgphoto2_port.so.10 (0x76c54000)
libltdl.so.7 => /usr/lib/arm-linux-gnueabihf/libltdl.so.7 (0x76c3c000)
/lib/ld-linux-armhf.so.3 (0x54adb000)
libdl.so.2 => /lib/arm-linux-gnueabihf/libdl.so.2 (0x76c29000)
_camera.so
pi@raspberrypi_01:/usr/local/lib/python2.7/dist-packages/gphoto2 $ ldd _camera.so
linux-vdso.so.1 (0x7eed5000)
/usr/lib/arm-linux-gnueabihf/libarmmem.so (0x76f49000)
libgphoto2.so.6 => /usr/lib/arm-linux-gnueabihf/libgphoto2.so.6 (0x76eac000)
libm.so.6 => /lib/arm-linux-gnueabihf/libm.so.6 (0x76e31000)
libgphoto2_port.so.12 => /usr/local/lib/libgphoto2_port.so.12 (0x76e18000)
libpthread.so.0 => /lib/arm-linux-gnueabihf/libpthread.so.0 (0x76df0000)
libc.so.6 => /lib/arm-linux-gnueabihf/libc.so.6 (0x76caf000)
/lib/ld-linux-armhf.so.3 (0x54aaa000)
libgphoto2_port.so.10 => /usr/lib/arm-linux-gnueabihf/libgphoto2_port.so.10 (0x76c96000)
libltdl.so.7 => /usr/lib/arm-linux-gnueabihf/libltdl.so.7 (0x76c7e000)
libexif.so.12 => /usr/lib/arm-linux-gnueabihf/libexif.so.12 (0x76c3b000)
libdl.so.2 => /lib/arm-linux-gnueabihf/libdl.so.2 (0x76c28000)
All i can see is that "libpopt.so.0" doesnt have a match in "_camera"
from python-gphoto2.
I suggested the ldd
tests as there were similar problems in #46. As you say, both are using the same libraries. I'm slightly worried that they are both linking to two versions of libgphoto2_port.so
, one of which is in `/usr/local/lib', unlike all the other libraries. But as gphoto2 is working that may not be a problem.
It might be worth trying a forced reinstall of python-gphoto2:
sudo pip install -v -U --force-reinstall gphoto2
from python-gphoto2.
The force reinstall went successfully but nothing has changed.
from python-gphoto2.
I'm still worried that you seem to have bits of two different versions of libgphoto2 installed. I suspect the updater script you used will have installed the headers anyway, so there may be no need to install libgphoto2-2-dev afterwards, especially as it may install the old version of libgphoto2 as a dependency.
from python-gphoto2.
Related Issues (20)
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- Faster way to copy files from camera HOT 7
- Sony FX3 overshoot HOT 1
- `delete_file()` does not delete file HOT 9
- Segmentation Fault segfault on gp.Camera.autodetect() on Github Actions Runner HOT 21
- LGPL vs. GPL license? HOT 8
- Test Virtual Camera HOT 4
- Missing bindings for gp_port_new, gp_port_open, and gp_port_reset? HOT 2
- capture_preview() broken in v2.5.0 HOT 4
- having trouble getting gphoto2 on rpi HOT 3
- use python-gphoto2 in Windows system HOT 1
- Always connected capture anytime HOT 1
- Github Actions Python 3.12 environment. HOT 1
- Is live data acquisition available in the library? HOT 1
- Error When Installing with "Local" libgphoto2 HOT 2
- Missing libgphoto2.so symbols, library is not loaded HOT 17
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from python-gphoto2.