after installing RF24 module on raspberry pi, i successfully import module also co

I need a little more information to help you. How exactly did

this is the last step i reached <div class="highlight highlight-source-python notr

By following both the <a href="https://nrf24.github.io/RF24/md

<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clip

can't find RF24 method inside RF24 module about rf24 HOT 18 CLOSED

FalconCode10 commented on July 22, 2024

can't find RF24 method inside RF24 module

from rf24.

Comments (18)

FalconCode10 commented on July 22, 2024 1

thanks bro, you are very helpful

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2bndy5 commented on July 22, 2024

I need a little more information to help you.

How exactly did you install the python module?
Are you using sudo?

from rf24.

FalconCode10 commented on July 22, 2024

I used virtual environment because raspberry refused to install RF24 and many other modules like numpy

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2bndy5 commented on July 22, 2024

You still haven't answered my questions.

Are you following our documented instructions about installing the python wrapper?

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FalconCode10 commented on July 22, 2024

your document talk about Linux not raspbian

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FalconCode10 commented on July 22, 2024

also i tried more than method to install your module, but every time after i finished this message appeared to me: "unable to locate xyz"

xyz is the module or in the best case it's the RF24 method inside RF24 module

from rf24.

2bndy5 commented on July 22, 2024

I can't help you if you don't tell me the exact commands that you are typing.

Raspbian (which has been renamed to "RPi OS") is a flavor of Linux. The install instructions are the same for any flavor of Linux (even Ubuntu).

It would be better if you posted the exact error message instead of telling me what you think the error message means. I doubt that it has trouble locating the RF24 class (not a method) if it can locate the RF24 module. Usually, this is because

you used sudo to install the module but not to execute the example
you used sudo to execute the example but not to install the module

Do not use `sudo`!

This is talked about in the note at the end of the install instructions, especially regarding the use of a virtual environment (or also known as "venv"). We recommend that users install the C++ RF24 library using the SPIDEV driver because (among other good reasons) it doesn't require sudo to execute. The driver named RPi will be removed in the future because it is not compatible with RPi5 or newer.

I'm also sensing that English is not your primary language. You can write here in your preferred language, and I'll just use Google translate on my end. Hopefully that helps.

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FalconCode10 commented on July 22, 2024

this is the last step i reached

>>> import RF24
>>> from RF24 import RF24
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: cannot import name 'RF24' from 'RF24' (unknown location)

you can see that i can import RF24 without any problems, but once i tried to import RF24 method from RF24 module, it can't be done
dear, you are right, English is not my native language, but if i used google translate it will be more difficult that's because google translate, translate literal translation

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2bndy5 commented on July 22, 2024

By following both the

I'm still not able to reproduce this error message.

I REALLY NEED TO KNOW THE COMMANDS YOU USE TO INSTALL THE RF24 MODULE!

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FalconCode10 commented on July 22, 2024

sudo apt update
sudo apt upgrade -y
sudo apt install -y build-essential cmake python3-dev python3-pip python3-venv git

cd ~
python3 -m venv rf24_env
source rf24_env/bin/activate

git clone https://github.com/nRF24/RF24.git

cd ~/RF24
mkdir build
cd build
cmake ..
make
sudo make install

cd ~/RF24/pyRF24
python3 setup.py build
python3 setup.py install

from rf24.

2bndy5 commented on July 22, 2024

before installing updates

It is important to delete old build artifacts and uninstall any previous pyRF24 module.

cd ~/RF24
sudo rm -r build/
rm Makefile.inc
cd pyRF24
rm -r build/ __pycache__/ RF24.egg-info/
cd ../
sudo rm /usr/local/lib/librf24.*
python3 -m pip uninstall RF24

Then repeat all the commands you posted.

Tip

Please explicitly use the SPIDEV driver. This command:

cmake ..

should be replaced with

cmake .. -DRF24_DRIVER=SPIDEV

Important

The following commands are no longer encouraged. These commands:

python3 setup.py build
python3 setup.py install

should be replaced with

python3 -m pip install .

So, the build commands (as simplified from linked instructions) is:

cd ~/RF24

sudo rm -r build/
rm Makefile.inc
cd pyRF24
rm -r build/ __pycache__/ RF24.egg-info/
cd ../
sudo rm /usr/local/lib/librf24.*
python3 -m pip uninstall RF24

mkdir build && cd build
cmake .. -DRF24_DRIVER=SPIDEV
make
sudo make install

cd ../pyRF24
python3 -m pip install .

from rf24.

2bndy5 commented on July 22, 2024

If you are seeing a build error, then you should also report that here.

The following is an error:

      pyRF24.cpp:1:10: fatal error: boost/python.hpp: No such file or directory
          1 | #include <boost/python.hpp>
            |          ^~~~~~~~~~~~~~~~~~
      compilation terminated.

This means you need to install boost.python library first:

sudo apt install libboost-python-dev
sudo ln -s $(ls /usr/lib/$(ls /usr/lib/gcc | tail -1)/libboost_python3*.so | tail -1) /usr/lib/$(ls /usr/lib/gcc | tail -1)/libboost_python3.so

Then try

python3 -m pip install --force-reinstall .

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FalconCode10 commented on July 22, 2024

last update dear

sudo apt install libboost-python-dev
sudo ln -s $(ls /usr/lib/$(ls /usr/lib/gcc | tail -1)/libboost_python3*.so | tail -1) /usr/lib/$(ls /usr/lib/gcc | tail -1)/libboost_python3.so
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
libboost-python-dev is already the newest version (1.74.0.3).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
ln: failed to create symbolic link '/usr/lib/aarch64-linux-gnu/libboost_python3.so': 
File exists

from rf24.

2bndy5 commented on July 22, 2024

Ok, the "File exists" output is good. It means that pyRF24/setup.py can build as expected.

Has any of this helped?
Are you still getting the ImportError?

I am also curious, what is your output for the following command?

pip list

from rf24.

FalconCode10 commented on July 22, 2024

moshtohor@raspberrypi:~ $ pip list
Package                            Version
---------------------------------- ----------
arandr                             0.1.11
asgiref                            3.6.0
astroid                            2.14.2
asttokens                          2.2.1
av                                 10.0.0
Babel                              2.10.3
beautifulsoup4                     4.11.2
blinker                            1.5
certifi                            2022.9.24
chardet                            5.1.0
charset-normalizer                 3.0.1
click                              8.1.3
colorama                           0.4.6
colorzero                          2.0
cryptography                       38.0.4
cupshelpers                        1.0
dbus-python                        1.3.2
dill                               0.3.6
distlib                            0.3.6
distro                             1.8.0
docutils                           0.19
filelock                           3.9.0
Flask                              2.2.2
gpiozero                           2.0
html5lib                           1.1
idna                               3.3
importlib-metadata                 4.12.0
isort                              5.6.4
itsdangerous                       2.1.2
jedi                               0.18.2
Jinja2                             3.1.2
lazy-object-proxy                  1.9.0
lgpio                              0.2.2.0
libevdev                           0.5
logilab-common                     1.9.8
lxml                               4.9.2
MarkupSafe                         2.1.2
mccabe                             0.7.0
meson                              1.0.1
more-itertools                     8.10.0
mypy                               1.0.1
mypy-extensions                    0.4.3
numpy                              1.24.2
oauthlib                           3.2.2
olefile                            0.46
parso                              0.8.3
pexpect                            4.8.0
pgzero                             1.2
picamera2                          0.3.18
pidng                              4.0.9
piexif                             1.1.3
pigpio                             1.78
Pillow                             9.4.0
pip                                23.0.1
platformdirs                       2.6.0
psutil                             5.9.4
ptyprocess                         0.7.0
pycairo                            1.20.1
pycryptodomex                      3.11.0
pycups                             2.0.1
pygame                             2.1.2
Pygments                           2.14.0
PyGObject                          3.42.2
pyinotify                          0.9.6
PyJWT                              2.6.0
pylint                             2.16.2
PyOpenGL                           3.1.6
pyOpenSSL                          23.0.0
PyQt5                              5.15.9
PyQt5-sip                          12.11.1
pyserial                           3.5
pysmbc                             1.0.23
python-apt                         2.6.0
python-dotenv                      0.21.0
python-prctl                       1.8.1
pytz                               2022.7.1
pyudev                             0.24.0
reportlab                          3.6.12
requests                           2.28.1
requests-oauthlib                  1.3.0
responses                          0.18.0
roman                              3.3
RPi.GPIO                           0.7.1a4
RTIMULib                           7.2.1
Send2Trash                         1.8.1b0
sense-hat                          2.6.0
setuptools                         66.1.1
simplejpeg                         1.6.6
simplejson                         3.18.3
six                                1.16.0
smbus2                             0.4.2
soupsieve                          2.3.2
spidev                             3.5
ssh-import-id                      5.10
thonny                             4.1.4
toml                               0.10.2
tomlkit                            0.11.7
twython                            3.8.2
types-aiofiles                     22.1
types-annoy                        1.17
types-appdirs                      1.4
types-aws-xray-sdk                 2.10
types-babel                        2.11
types-backports.ssl-match-hostname 3.7
types-beautifulsoup4               4.11
types-bleach                       5.0
types-boto                         2.49
types-braintree                    4.17
types-cachetools                   5.2
types-caldav                       0.10
types-certifi                      2021.10.8
types-cffi                         1.15
types-chardet                      5.0
types-chevron                      0.14
types-click-spinner                0.1
types-colorama                     0.4
types-commonmark                   0.9
types-console-menu                 0.7
types-contextvars                  2.4
types-croniter                     1.3
types-cryptography                 3.3
types-D3DShot                      0.1
types-dateparser                   1.1
types-DateTimeRange                1.2
types-decorator                    5.1
types-Deprecated                   1.2
types-dj-database-url              1.0
types-docopt                       0.6
types-docutils                     0.19
types-editdistance                 0.6
types-emoji                        2.1
types-entrypoints                  0.4
types-first                        2.0
types-flake8-2020                  1.7
types-flake8-bugbear               22.10.27
types-flake8-builtins              2.0
types-flake8-docstrings            1.6
types-flake8-plugin-utils          1.3
types-flake8-rst-docstrings        0.2
types-flake8-simplify              0.19
types-flake8-typing-imports        1.14
types-Flask-Cors                   3.0
types-Flask-SQLAlchemy             2.5
types-fpdf2                        2.5
types-gdb                          12.1
types-google-cloud-ndb             1.11
types-hdbcli                       2.14
types-html5lib                     1.1
types-httplib2                     0.21
types-humanfriendly                10.0
types-invoke                       1.7
types-JACK-Client                  0.5
types-jmespath                     1.0
types-jsonschema                   4.17
types-keyboard                     0.13
types-ldap3                        2.9
types-Markdown                     3.4
types-mock                         4.0
types-mypy-extensions              0.4
types-mysqlclient                  2.1
types-oauthlib                     3.2
types-openpyxl                     3.0
types-opentracing                  2.4
types-paho-mqtt                    1.6
types-paramiko                     2.11
types-parsimonious                 0.10
types-passlib                      1.7
types-passpy                       1.0
types-peewee                       3.15
types-pep8-naming                  0.13
types-Pillow                       9.3
types-playsound                    1.3
types-polib                        1.1
types-prettytable                  3.4
types-protobuf                     3.20
types-psutil                       5.9
types-psycopg2                     2.9
types-pyaudio                      0.2
types-PyAutoGUI                    0.9
types-pycurl                       7.45
types-pyfarmhash                   0.3
types-pyflakes                     2.5
types-Pygments                     2.13
types-pyinstaller                  5.6
types-PyMySQL                      1.0
types-pynput                       1.7
types-pyOpenSSL                    22.1
types-pyRFC3339                    1.1
types-PyScreeze                    0.1
types-pysftp                       0.2
types-pytest-lazy-fixture          0.6
types-python-crontab               2.6
types-python-dateutil              2.8
types-python-gflags                3.1
types-python-jose                  3.3
types-python-nmap                  0.7
types-python-slugify               6.1
types-pytz                         2022.6
types-pyvmomi                      7.0
types-pywin32                      304
types-PyYAML                       6.0
types-redis                        4.3
types-regex                        2022.10.31
types-requests                     2.28
types-retry                        0.9
types-Send2Trash                   1.8
types-setuptools                   65.5
types-simplejson                   3.17
types-singledispatch               3.7
types-six                          1.16
types-slumber                      0.7
types-SQLAlchemy                   1.4.43
types-stdlib-list                  0.8
types-stripe                       3.5
types-tabulate                     0.9
types-termcolor                    1.1
types-toml                         0.10
types-toposort                     1.7
types-tqdm                         4.64
types-tree-sitter                  0.20
types-tree-sitter-languages        1.5
types-ttkthemes                    3.2
types-typed-ast                    1.5
types-tzlocal                      4.2
types-ujson                        5.5
types-urllib3                      1.26
types-vobject                      0.9
types-waitress                     2.1
types-whatthepatch                 1.0
types-xmltodict                    0.13
types-xxhash                       3.0
types-zxcvbn                       4.4
typing_extensions                  4.4.0
urllib3                            1.26.12
v4l2-python3                       0.3.3
virtualenv                         20.17.1+ds
webencodings                       0.5.1
Werkzeug                           2.2.2
wheel                              0.38.4
wrapt                              1.14.1
zipp                               1.0.0

moshtohor@raspberrypi:~ $ python3
Python 3.11.2 (main, Mar 13 2023, 12:18:29) [GCC 12.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import RF24
>>> from RF24 import RF24
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: cannot import name 'RF24' from 'RF24' (unknown location)
>>>

from rf24.

2bndy5 commented on July 22, 2024

I don't see RF24 in the pip list output. This means that it is not installed. There must be some build error that you are not aware of (or not telling me about).

This spoken language barrier between us makes helping you too difficult for me.

I only have 1 last recommendation: Switch to using our newer pyrf24 package. You only need to change the import statements.

python3 -m pip install pyrf24

>>> from pyrf24 import RF24
>>> radio = RF24(22, 0)
>>> radio.begin()
True

from rf24.

2bndy5 commented on July 22, 2024

I'm sensing that you don't know how to use a python virtual environment. It is not my job to teach people how to use python. You'll need to learn this from somewhere else.

from rf24.

2bndy5 commented on July 22, 2024

Now that I have nothing left to recommend or suggest, I'm going to close this. You can still post comments here if you want.

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can't find RF24 method inside RF24 module about rf24 HOT 18 CLOSED

Comments (18)

Do not use `sudo`!

I REALLY NEED TO KNOW THE COMMANDS YOU USE TO INSTALL THE RF24 MODULE!

before installing updates

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Comments (18)

Do not use sudo!

I REALLY NEED TO KNOW THE COMMANDS YOU USE TO INSTALL THE RF24 MODULE!

before installing updates

Related Issues (20)

Recommend Projects

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Do not use `sudo`!