Installation issue RPLidar A1

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pmgrue
 
Posts: 3
Joined: Thu Jul 28, 2022 10:16 am

Installation issue RPLidar A1

Post by pmgrue »

I am attempting to install the software for the RPLidar unit. I am using V1 Buster on a Raspberry Pi 4B 8GB and enter the command

Code: Select all

pip install Adafruit_CircuitPython_RPLIDAR 
as per the adafruit instructions but unfortunately it does not work. What do I need to do to get it working?

The following message shows up: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-install-58nrga/Adafruit-CircuitPython-RPLIDAR/

Here is the entire output:

Using cached https://files.pythonhosted.org/packages ... 2.7.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/tmp/pip-install-58nrga/Adafruit-CircuitPython-RPLIDAR/setup.py", line 54, in <module>
py_modules=["adafruit_rplidar"],
File "/usr/lib/python2.7/dist-packages/setuptools/__init__.py", line 144, in setup
_install_setup_requires(attrs)
File "/usr/lib/python2.7/dist-packages/setuptools/__init__.py", line 139, in _install_setup_requires
dist.fetch_build_eggs(dist.setup_requires)
File "/usr/lib/python2.7/dist-packages/setuptools/dist.py", line 724, in fetch_build_eggs
replace_conflicting=True,
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 782, in resolve
replace_conflicting=replace_conflicting
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 1065, in best_match
return self.obtain(req, installer)
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 1077, in obtain
return installer(requirement)
File "/usr/lib/python2.7/dist-packages/setuptools/dist.py", line 791, in fetch_build_egg
return cmd.easy_install(req)
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 704, in easy_install
return self.install_item(spec, dist.location, tmpdir, deps)
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 730, in install_item
dists = self.install_eggs(spec, download, tmpdir)
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 915, in install_eggs
return self.build_and_install(setup_script, setup_base)
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 1183, in build_and_install
self.run_setup(setup_script, setup_base, args)
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 1169, in run_setup
run_setup(setup_script, args)
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 253, in run_setup
raise
File "/usr/lib/python2.7/contextlib.py", line 35, in __exit__
self.gen.throw(type, value, traceback)
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 195, in setup_context
yield
File "/usr/lib/python2.7/contextlib.py", line 35, in __exit__
self.gen.throw(type, value, traceback)
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 166, in save_modules
saved_exc.resume()
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 141, in resume
six.reraise(type, exc, self._tb)
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 154, in save_modules
yield saved
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 195, in setup_context
yield
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 250, in run_setup
_execfile(setup_script, ns)
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 44, in _execfile
code = compile(script, filename, 'exec')
File "/tmp/easy_install-n8O_QX/setuptools_scm-7.0.5/setup.py", line 20
def scm_version() -> str:
^
SyntaxError: invalid syntax

----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-install-58nrga/Adafruit-CircuitPython-RPLIDAR/

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adafruit_support_carter
 
Posts: 29056
Joined: Tue Nov 29, 2016 2:45 pm

Re: Installation issue RPLidar A1

Post by adafruit_support_carter »

"pip" is mapped to the Python 2 version on your setup. Python 2 is deprecated and no longer supported.

To force installing for Python 3, try:

Code: Select all

pip3 install adafruit-circuitpython-rplidar

User avatar
pmgrue
 
Posts: 3
Joined: Thu Jul 28, 2022 10:16 am

Re: Installation issue RPLidar A1

Post by pmgrue »

Thank you very much, I was able to set it up with pip3 as recommended. But now when I run the program that is supplied I receive the error message:

RPLidar Exception: Wrong body size
adafruit_rplidar.py, line 280
No specific suggestions for this error(yet)


pygame and cpython are both installed.
Can you point me in the right direction?

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adafruit_support_carter
 
Posts: 29056
Joined: Tue Nov 29, 2016 2:45 pm

Re: Installation issue RPLidar A1

Post by adafruit_support_carter »

The program you are running is the example from the library?
https://github.com/adafruit/Adafruit_Ci ... pletest.py

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pmgrue
 
Posts: 3
Joined: Thu Jul 28, 2022 10:16 am

Re: Installation issue RPLidar A1

Post by pmgrue »

With the code in the attached link it works. Perhaps I was in an old deprecated repository?
Thank you very much!

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