安裝pyqt5
wind@wind-ThinkPad-X250:~/Downloads/PyQt5_gpl-5.12.2$ python3 -m pip install PyQt5
Collecting PyQt5
Downloading https://files.pythonhosted.org/packages/6a/f4/6a63aafcee3efd2b156dc835d9c85ca99b24e80f8af89b6da5c46054fe43/PyQt5-5.12.2-5.12.3-cp35.cp36.cp37.cp38-abi3-manylinux1_x86_64.whl (61.5MB)
100% |████████████████████████████████| 61.5MB 18kB/s
Collecting PyQt5_sip<13, =4.19.14 (from PyQt5)
Downloading https://files.pythonhosted.org/packages/08/19/ef6b97cfdbb8f9312d71388384f572706e40bf88f07fffb0fc64846b4a36/PyQt5_sip-4.19.17-cp35-cp35m-manylinux1_x86_64.whl (67kB)
100% |████████████████████████████████| 71kB 107kB/s
Installing collected packages: PyQt5-sip, PyQt5
Successfully installed PyQt5-5.12.2 PyQt5-sip-4.19.17
You are using pip version 8.1.1, however version 19.1.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
wind@wind-ThinkPad-X250:~/Downloads/PyQt5_gpl-5.12.2$ 複制
檢視python 所有的安裝包
import sys
sys.modules.keys()
dict_keys(['problem_report', '_bz2', 'email.feedparser', 'email.mime', 'base64', 'select', 'tarfile', '__future__', '_compat_pickle', 'importlib.util', 'mpl_toolkits', 'json.scanner', 'signal', 'json', 're', 'subprocess', 'ipaddress', 'configparser', '_functools', 'bz2', 'uu', 'pyexpat', 'copyreg', '__main__', 'selectors', 'apt.package', 'PyQt5', 'xml', 'pyexpat.errors', '_json', '_thread', 'email.message', 'apt.cdrom', 'calendar', 'importlib.abc', 'textwrap', 'random', 'email.mime.text', 'email._encoded_words', 'email._parseaddr', 'shutil', 'atexit', 'sre_parse', '_frozen_importlib_external', 'importlib.machinery', '_compression', 'zlib', 'copy', 'fcntl', '_weakref', 'sitecustomize', 'collections.abc', 'apport_python_hook', 'email.header', 'email.errors', '_io', '_operator', 'email.encoders', '_string', 'contextlib', '_frozen_importlib', '_pickle', 'apt.cache', 'token', '_signal', '_collections_abc', 'email._policybase', 'apt.progress', 'encodings.utf_8', 'genericpath', '_hashlib', 'heapq', '_socket', '_stat', 'site', 'sysconfig', 'xml.dom.minicompat', 'socket', '_struct', 'string', 'email.charset', 'importlib', 'pyexpat.model', 'gzip', 'codecs', '_warnings', 'apport.packaging_impl', 'threading', 'encodings', 'builtins', 'enum', 'binascii', 'http', 'itertools', 'operator', '_ssl', 'xml.parsers.expat', '_datetime', 'glob', '_locale', '_random', 'apport.fileutils', 'xml.dom.NodeFilter', '_posixsubprocess', 'abc', 'urllib.error', 'datetime', 'sre_constants', 'json.encoder', 'encodings.aliases', 'reprlib', '_weakrefset', 'json.decoder', 'importlib._bootstrap_external', 'sre_compile', 'email.mime.base', 'email.parser', 'math', 'keyword', 'encodings.latin_1', 'linecache', '_heapq', 'urllib', 'apport', 'tokenize', 'importlib._bootstrap', 'urllib.response', 'xml.parsers.expat.errors', 'apport.report', 'apport.packaging', 'posixpath', 'gettext', 'xml.dom.xmlbuilder', 'xml.dom', 'pwd', 'os', '_sysconfigdata_m', '_sitebuiltins', 'errno', 'xml.parsers.expat.model', 'os.path', '_sysconfigdata', '_sre', 'email.mime.multipart', 'collections', 'apt.progress.base', 'traceback', 'apt', 'io', 'weakref', 'urllib.request', 'hashlib', 'email.iterators', 'quopri', 'http.client', 'zipimport', '_imp', 'sys', 'rlcompleter', '_bootlocale', 'locale', 'urllib.parse', 'fnmatch', 'tempfile', 'xml.dom.domreg', '_codecs', 'bisect', 'email.utils', 'email.mime.nonmultipart', '_bisect', 'stat', 'warnings', 'ssl', 'functools', 'email', 'grp', '_lzma', 'email.quoprimime', 'struct', 'apt.progress.text', 'time', 'xml.parsers', 'email.base64mime', 'apt_pkg', 'pickle', 'imp', 'types', 'xml.dom.minidom', 'lzma', 'marshal', '_collections', 'readline', 'posix']) 複制
删除pyqt5安裝包
wind@wind-ThinkPad-X250:~$ sudo python3 -m pip uninstall PyQt5
[sudo] password for wind:
WARNING: The directory '/home/wind/.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.
Uninstalling PyQt5-5.12.2:
Would remove:
/home/wind/.local/bin/pylupdate5
/home/wind/.local/bin/pyrcc5
/home/wind/.local/bin/pyuic5
/home/wind/.local/lib/python3.5/site-packages/PyQt5-5.12.2.dist-info/*
/home/wind/.local/lib/python3.5/site-packages/PyQt5/*
Would not remove (might be manually added):
/home/wind/.local/lib/python3.5/site-packages/PyQt5/sip.so
Proceed (y/n)? y
Successfully uninstalled PyQt5-5.12.2
wind@wind-ThinkPad-X250:~$ 複制
使用例子
#!/bin/env python3
# -*- coding: utf-8 -*-
import sys
from PyQt5.QtWidgets import QApplication, QWidget #導入相應的包
if __name__ == '__main__':
app = QApplication(sys.argv) #建立QApplication對象是必須，管理整個 程式，參數可有可無，有的話可接收指令行參數
w = QWidget() #建立窗體對象，
w.resize( 250, 150 ) #設定窗體大小
w.move( 100, 300 ) #設定在螢幕上的顯示位置
w.setWindowTitle( 'Simple' ) #設定視窗标題
w.show() #視窗顯示
sys.exit( app.exec_() ) 複制
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