(清华源)ERROR: Could not find a version that satisfies the requirement pycocotools (unavailable)

安装 “pycocotools”的新方法，清华源。

ERROR: Could not find a version that satisfies the requirement pycocotools (unavailable) (from versions: 2.0.0, 2.0.1, 2.0.2a1, 2.0.2, 2.0.3, 2.0.4)
ERROR: No matching distribution found for pycocotools (unavailable)

pip3 install pycocotools -i https://pypi.tuna.tsinghua.edu.cn/simple/ --trusted-host pypi.tuna.tsinghua.edu.cn

pip3 install pycocotools -i https://pypi.tuna.tsinghua.edu.cn/simple/ --trusted-host pypi.tuna.tsinghua.edu.cn

安装过程  及其成功安装
 

(boxer) C:UsersLiu_J>pip3 install pycocotools -i https://pypi.tuna.tsinghua.edu.cn/simple/ --trusted-host pypi.tuna.tsinghua.edu.cn
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple/, https://pypi.ngc.nvidia.com
Collecting pycocotools
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/75/5c/ac61ea715d7a89ecc31c090753bde28810238225ca8b71778dfe3e6a68bc/pycocotools-2.0.4.tar.gz (106 kB)
     |████████████████████████████████| 106 kB 1.3 MB/s
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
    Preparing wheel metadata ... done
Requirement already satisfied: numpy in d:programdataanaconda3envsboxerlibsite-packages (from pycocotools) (1.22.3)
Collecting matplotlib>=2.1.0
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/2a/0d/bebf456dd3b5bb4ecd78cb1e78636f38716384529d083ed78327ba49ec83/matplotlib-3.5.2-cp38-cp38-win_amd64.whl (7.2 MB)
     |████████████████████████████████| 7.2 MB 2.2 MB/s
Collecting python-dateutil>=2.7
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/36/7a/87837f39d0296e723bb9b62bbb257d0355c7f6128853c78955f57342a56d/python_dateutil-2.8.2-py2.py3-none-any.whl (247 kB)
     |████████████████████████████████| 247 kB 3.3 MB/s
Collecting cycler>=0.10
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/5c/f9/695d6bedebd747e5eb0fe8fad57b72fdf25411273a39791cde838d5a8f51/cycler-0.11.0-py3-none-any.whl (6.4 kB)
Collecting kiwisolver>=1.0.1
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/97/2d/32ae1ce44d5b514dce568a809b3bed15d60ee1501b9fa9853a0fee705b59/kiwisolver-1.4.2-cp38-cp38-win_amd64.whl (55 kB)
     |████████████████████████████████| 55 kB 4.1 MB/s
Collecting packaging>=20.0
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/05/8e/8de486cbd03baba4deef4142bd643a3e7bbe954a784dc1bb17142572d127/packaging-21.3-py3-none-any.whl (40 kB)
     |████████████████████████████████| 40 kB ...
Requirement already satisfied: pillow>=6.2.0 in d:programdataanaconda3envsboxerlibsite-packages (from matplotlib>=2.1.0->pycocotools) (9.0.1)
Collecting pyparsing>=2.2.1
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/6c/10/a7d0fa5baea8fe7b50f448ab742f26f52b80bfca85ac2be9d35cdd9a3246/pyparsing-3.0.9-py3-none-any.whl (98 kB)
     |████████████████████████████████| 98 kB 6.4 MB/s
Collecting fonttools>=4.22.0
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/2f/85/2f6e42fb4b537b9998835410578fb1973175b81691e9a82ab6668cf64b0b/fonttools-4.33.3-py3-none-any.whl (930 kB)
     |████████████████████████████████| 930 kB 3.3 MB/s
Requirement already satisfied: six>=1.5 in d:programdataanaconda3envsboxerlibsite-packages (from python-dateutil>=2.7->matplotlib>=2.1.0->pycocotools) (1.16.0)
Building wheels for collected packages: pycocotools
  Building wheel for pycocotools (PEP 517) ... done
  Created wheel for pycocotools: filename=pycocotools-2.0.4-cp38-cp38-win_amd64.whl size=75137 sha256=1571cdd5e7612dc6adda54e6465e0b0de3bafeaf9b559f6555840d3b1e0ab3ef
  Stored in directory: C:UsersLiu_JAppDataLocalTemppip-ephem-wheel-cache-timf6megwheels1f16e1fc47f38b267a03174bf6eb8cae0e06c58523990f5eb54efd8
Successfully built pycocotools
Installing collected packages: pyparsing, python-dateutil, packaging, kiwisolver, fonttools, cycler, matplotlib, pycocotools
Successfully installed cycler-0.11.0 fonttools-4.33.3 kiwisolver-1.4.2 matplotlib-3.5.2 packaging-21.3 pycocotools-2.0.4 pyparsing-3.0.9 python-dateutil-2.8.2