关于我们 """# 使用BeautifulSoup解析HTML内容,这里默认使用Python的html.parser作为解析器 # 你也可以指定其他解析器,如'lxml'或'html5lib',但需要先安装它们 soup = BeautifulSoup(html_content, 'html.parser') # 提取并打印标签的文本内容 print("网页标题:", soup.title.string) # 网页...
2. 环境变量PYTHONPATH中的目录 3. Python安装目录(for Linux OS:/usr/local/lib/python When a module named spam is imported, the interpreter search for a file named spam.py in the current directory and then in list of directoried specified by the enviroment variable PYTHONPATH. This has the ...
# is super hacky, but working out something nice is tricky. # This is in particular needed for psycopg2 which attempts to link libpython.a, # in order to point the linker at the correct python intepreter.
import的模块包含两类,一类称为标准库,随着python的安装而安装;另一类称为第三方库,使用pip工具或者自己手动安装的包。模块的搜索路径可通过sys.path查看,主要由可执行文件python所在的位置所决定。 Python环境主要包括以下内容: 解释器python.exe Lib目录 标准库 site-pakages目录,默认安装第三方库所在的目录 Scripts目...
在PYTHOMHOME的基础上添加了/lib/pythonversion。 3、site This module is automatically imported during initialization.The automatic import can be suppressed using the interpreter’s-Soption. Importing this module will append site-specific paths to the module search path and add a few builtins, unless...
importsysfromcontextlibimportcontextmanager@contextmanagerdefadd_path(path):sys.path.append(path)try:...
博主在/usr/local/lib/python3.7/site-packages路径下新建python3_path.pth文件,内容如下: [root@localhost site-packages]# cat py3_path.pth /usr/local/python3/lib/python3.7/site-packages 再次验证Python搜索路径已经存在,且import相关包也不会报错。
sys.path.append('/home/zhouziqun/project/')#提供搜索路径 #加载方式一 import test1.lib.one print (test1.lib.one) #加载方式二 from test1.lib import one print (one.a) #加载方式三 from test1.lib.one import a print (a) #加载方式四 ...
>>>res=requests.get('https://inventwithpython.com/page_that_does_not_exist')>>>res.raise_for_status()Traceback(most recent call last):File"<stdin>",line1,in<module>File "C:\Users\Al\AppData\Local\Programs\Python\Python37\lib\site-packages\requests\models.py",line940,inraise_for_stat...
print(“Python标准库所在目录:”, python_lib_dir) “` 以上代码中,我们使用了`os.path.join()`函数将Python安装目录和`Lib`目录拼接成了完整的路径。如果你使用了第一种方式获取Python安装目录,则需要将获取到的路径赋值给`python_install_dir`变量;如果你使用了第二种方式获取Python安装目录,则直接将Python安装...