Python版本：Python 3.7.4
pip3版本：pip 21.2.4
安装requests：
C:\hy\py>pip3 install requests Collecting requests Downloading requests-2.26.0-py2.py3-none-any.whl (62 kB) |████████████████████████████████| 62 kB 252 kB/s Collecting certifi>=2017.4.17 Downloading certifi-2021.5.30-py2.py3-none-any.whl (145 kB) |████████████████████████████████| 145 kB 939 kB/s Collecting urllib3<1.27,>=1.21.1 Downloading urllib3-1.26.6-py2.py3-none-any.whl (138 kB) |████████████████████████████████| 138 kB 3.3 MB/s Collecting charset-normalizer~=2.0.0 Downloading charset_normalizer-2.0.6-py3-none-any.whl (37 kB) Collecting idna<4,>=2.5 Downloading idna-3.2-py3-none-any.whl (59 kB) |████████████████████████████████| 59 kB 1.8 MB/s Installing collected packages: urllib3, idna, charset-normalizer, certifi, requests Successfully installed certifi-2021.5.30 charset-normalizer-2.0.6 idna-3.2 requests-2.26.0 urllib3-1.26.6
安装BeautifulSoup4
C:\hy\py>pip3 install BeautifulSoup4 Collecting BeautifulSoup4 WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.HTTPSConnection object at 0x000002A8BA54CC88>, 'Connection to files.pythonhosted.org timed out. (connect timeout=15)')': /packages/69/bf/f0f194d3379d3f3347478bd267f754fc68c11cbf2fe302a6ab69447b1417/beautifulsoup4-4.10.0-py3-none-any.whl WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.HTTPSConnection object at 0x000002A8BA558948>, 'Connection to files.pythonhosted.org timed out. (connect timeout=15)')': /packages/69/bf/f0f194d3379d3f3347478bd267f754fc68c11cbf2fe302a6ab69447b1417/beautifulsoup4-4.10.0-py3-none-any.whl Downloading beautifulsoup4-4.10.0-py3-none-any.whl (97 kB) |████████████████████████████████| 97 kB 734 kB/s Collecting soupsieve>1.2 Downloading soupsieve-2.2.1-py3-none-any.whl (33 kB) Installing collected packages: soupsieve, BeautifulSoup4 Successfully installed BeautifulSoup4-4.10.0 soupsieve-2.2.1
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