在Linux上安装PyQt5 5.14.1
在Linux上安装PyQt5 5.14.1
提问于 2020-01-13 06:06:55
pip3 install PyQt5
Collecting PyQt5
Using cached https://files.pythonhosted.org/packages/3a/fb/eb51731f2dc7c22d8e1a63ba88fb702727b324c6352183a32f27f73b8116/PyQt5-5.14.1.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/lib/python3.6/tokenize.py", line 452, in open
buffer = _builtin_open(filename, 'rb')
FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-build-b2zw891b/PyQt5/setup.py'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-b2zw891b/PyQt5/然后我从https://www.riverbankcomputing.com/software/pyqt/download5下载了zip文件夹并运行：
python3 configure.py --qmake /home/oo/Qt/5.14.0/gcc_64/bin/qmake
make
sudo make install成功
>>> import PyQt5
>>> import PyQt5.QtCore
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'PyQt5.sip'
>>> 所以我安装了
pip3 install PyQt5.sip
pip3 install sip成功
但仍然获得相同的错误No module named 'PyQt5.sip'用于import PyQt5.QtCore
也尝试过PyQtChart，但仍然出错
pip3 install PyQtChart
Collecting PyQtChart
Using cached https://files.pythonhosted.org/packages/83/35/4f6328db9a31e2776cdcd82ef7688994c11e265649f503858f1913444ba9/PyQtChart-5.14.0-5.14.0-cp35.cp36.cp37.cp38-abi3-manylinux1_x86_64.whl
Collecting PyQt5>=5.14 (from PyQtChart)
Using cached https://files.pythonhosted.org/packages/3a/fb/eb51731f2dc7c22d8e1a63ba88fb702727b324c6352183a32f27f73b8116/PyQt5-5.14.1.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/lib/python3.6/tokenize.py", line 452, in open
buffer = _builtin_open(filename, 'rb')
FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-build-gzep4mr7/PyQt5/setup.py'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-gzep4mr7/PyQt5/我还从https://www.riverbankcomputing.com/software/pyqtchart/download下载了zip文件夹并运行：
python3 configure.py --qmake /home/oo/Qt/5.14.0/gcc_64/bin/qmake
Error: Unable to import PyQt5.QtCore. Make sure PyQt5 is installed.QT截图：：
我的最终目标是使用pyqt5运行烛台图表。
sudo python3 -m pip install pyqt5 pyqtchart
[sudo] password for oo:
The directory '/home/oo/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/home/oo/.cache/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Requirement already satisfied: pyqt5 in /usr/lib/python3/dist-packages
Requirement already satisfied: pyqtchart in /usr/local/lib/python3.6/dist-packages
Requirement already satisfied: PyQt5-sip<13,>=12.7 in /home/oo/.local/lib/python3.6/site-packages (from pyqtchart)但仍然会出现同样的错误：
Python 3.6.9 (default, Nov 7 2019, 10:44:02)
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import PyQt5
>>> import PyQt5.QtCore
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'PyQt5.sip'
>>> 回答 7
Stack Overflow用户
回答已采纳
发布于 2020-01-18 04:14:18
Stack Overflow用户
发布于 2020-04-07 14:37:35
我在安装PyQt5 (同时试图安装ReText)时也遇到了同样的问题。
在Ubuntu 18.04和Python 3.6.9和Pip 9.0.1上，我能够通过以下步骤安装PyQt5：
python3 -m venv env
source env/bin/activate
pip3 install pyqt5 --only-binary pyqt5这足以让pip下载PyQt5-5.14.0-5.14.0-cp35.cp36.cp37.cp38-abi3-manylinux1_x86_64.whl二进制轮(不需要/使用setup.py)，而不是从源tarball构建。
根据https://pypi.org/project/PyQt5/#files的说法，还有其他的二进制引擎，所以希望它能满足大多数平台的需求。
Stack Overflow用户
发布于 2020-07-08 09:14:59
有时候，在Debian或Ubuntu发行版上安装PyQt5非常困难。我能够在运行Debian10buster(稳定)的系统上为python3安装它。
我用apt软件包管理器安装了它。
sudo apt-get update
sudo apt-get install python3-pyqt5页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/59711301
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