先安装paddle，我不需要gpu，所以选择cpu安装。

pip install paddlepaddle==2.2.1 -i https://mirror.baidu.com/pypi/simple

pip install paddlepaddle==2.2.1 -i https://mirror.baidu.com/pypi/simple
GPU的安装方式如下

# CUDA10.1

pip install paddlepaddle-gpu==2.2.1.post101 -f https://www.paddlepaddle.org.cn/whl/linux/mkl/avx/stable.html

然后安装paddlex

直接上代码：

pip install paddlex -i https://pypi.tuna.tsinghua.edu.cn/simple

安装过程中可能numpy没有安装，导致报错，但是不用担心，耐心等待，它自动安装。最后多次报错，多次自动安装，最后安装成功。

请看我的安装过程，速度挺快

(paddlex) C:\Users\YANG>pip install paddlex -i https://pypi.tuna.tsinghua.edu.cn/simple
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting paddlexDownloading https://pypi.tuna.tsinghua.edu.cn/packages/ca/03/b401c6a34685aa698e7c2fbcfad029892cbfa4b562eaaa7722037fef86ed/paddlex-2.1.0-py3-none-any.whl (1.6 MB)|████████████████████████████████| 1.6 MB 1.3 MB/s
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Collecting py>=1.8.2Downloading https://pypi.tuna.tsinghua.edu.cn/packages/f6/f0/10642828a8dfb741e5f3fbaac830550a518a775c7fff6f04a007259b0548/py-1.11.0-py2.py3-none-any.whl (98 kB)|████████████████████████████████| 98 kB 353 kB/s
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Collecting attrs>=19.2.0Using cached https://pypi.tuna.tsinghua.edu.cn/packages/be/be/7abce643bfdf8ca01c48afa2ddf8308c2308b0c3b239a44e57d020afa0ef/attrs-21.4.0-py2.py3-none-any.whl (60 kB)
Collecting atomicwrites>=1.0Downloading https://pypi.tuna.tsinghua.edu.cn/packages/2c/a0/da5f49008ec6e9a658dbf5d7310a4debd397bce0b4db03cf8a410066bb87/atomicwrites-1.4.0-py2.py3-none-any.whl (6.8 kB)
Collecting iniconfigDownloading https://pypi.tuna.tsinghua.edu.cn/packages/9b/dd/b3c12c6d707058fa947864b67f0c4e0c39ef8610988d7baea9578f3c48f3/iniconfig-1.1.1-py2.py3-none-any.whl (5.0 kB)
Collecting packagingUsing cached https://pypi.tuna.tsinghua.edu.cn/packages/05/8e/8de486cbd03baba4deef4142bd643a3e7bbe954a784dc1bb17142572d127/packaging-21.3-py3-none-any.whl (40 kB)
Collecting py-cpuinfoDownloading https://pypi.tuna.tsinghua.edu.cn/packages/e6/ba/77120e44cbe9719152415b97d5bfb29f4053ee987d6cb63f55ce7d50fadc/py-cpuinfo-8.0.0.tar.gz (99 kB)|████████████████████████████████| 99 kB 78 kB/s
Collecting charset-normalizer~=2.0.0Using cached https://pypi.tuna.tsinghua.edu.cn/packages/06/b3/24afc8868eba069a7f03650ac750a778862dc34941a4bebeb58706715726/charset_normalizer-2.0.12-py3-none-any.whl (39 kB)
Requirement already satisfied: certifi>=2017.4.17 in c:\users\yang\.conda\envs\paddlex\lib\site-packages (from requests->visualdl>=2.2.2->paddlex) (2020.6.20)
Collecting urllib3<1.27,>=1.21.1Using cached https://pypi.tuna.tsinghua.edu.cn/packages/4e/b8/f5a25b22e803f0578e668daa33ba3701bb37858ec80e08a150bd7d2cf1b1/urllib3-1.26.8-py2.py3-none-any.whl (138 kB)
Collecting idna<4,>=2.5Using cached https://pypi.tuna.tsinghua.edu.cn/packages/04/a2/d918dcd22354d8958fe113e1a3630137e0fc8b44859ade3063982eacd2a4/idna-3.3-py3-none-any.whl (61 kB)
Building wheels for collected packages: bce-python-sdk, future, lap, pycocotools, py-cpuinfoBuilding wheel for bce-python-sdk (setup.py) ... doneCreated wheel for bce-python-sdk: filename=bce_python_sdk-0.8.64-py3-none-any.whl size=202973 sha256=6506ca69cfcb6230d21780c88066aa2ab3133146570f1d4b18cba58d6fea0243Stored in directory: c:\users\yang\appdata\local\pip\cache\wheels\4d\01\4a\0ddb9526bd30d94e4ba9d333ed1f462272e55724ee22ea338dBuilding wheel for future (setup.py) ... doneCreated wheel for future: filename=future-0.18.2-py3-none-any.whl size=491070 sha256=b5e3539159bb896cb66347efef94df602803a3f135ba32765d00b1832666ec84Stored in directory: c:\users\yang\appdata\local\pip\cache\wheels\f3\f6\70\8b2bba44d8bf6ee5b7eac561416d9ef5c28dd2320490fc0f1fBuilding wheel for lap (setup.py) ... errorERROR: Command errored out with exit status 1:command: 'C:\Users\YANG\.conda\envs\paddlex\python.exe' -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\YANG\\AppData\\Local\\Temp\\pip-install-1hy88ulz\\lap_764d663aaec3442d8df15524e446822b\\setup.py'"'"'; __file__='"'"'C:\\Users\\YANG\\AppData\\Local\\Temp\\pip-install-1hy88ulz\\lap_764d663aaec3442d8df15524e446822b\\setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d 'C:\Users\YANG\AppData\Local\Temp\pip-wheel-jzj39cx1'cwd: C:\Users\YANG\AppData\Local\Temp\pip-install-1hy88ulz\lap_764d663aaec3442d8df15524e446822b\Complete output (12 lines):Partial import of lap during the build process.Traceback (most recent call last):File "C:\Users\YANG\AppData\Local\Temp\pip-install-1hy88ulz\lap_764d663aaec3442d8df15524e446822b\setup.py", line 127, in get_numpy_statusimport numpyModuleNotFoundError: No module named 'numpy'Traceback (most recent call last):File "<string>", line 1, in <module>File "C:\Users\YANG\AppData\Local\Temp\pip-install-1hy88ulz\lap_764d663aaec3442d8df15524e446822b\setup.py", line 236, in <module>setup_package()File "C:\Users\YANG\AppData\Local\Temp\pip-install-1hy88ulz\lap_764d663aaec3442d8df15524e446822b\setup.py", line 220, in setup_packageraise ImportError('lap requires numpy, 'ImportError: lap requires numpy, please "pip install numpy".----------------------------------------ERROR: Failed building wheel for lapRunning setup.py clean for lapBuilding wheel for pycocotools (PEP 517) ... doneCreated wheel for pycocotools: filename=pycocotools-2.0.4-cp36-cp36m-win_amd64.whl size=77785 sha256=5fec0452ac6867a85083d05ac136f44412bd554613d5d45cf81eba21a5ca5fbfStored in directory: c:\users\yang\appdata\local\pip\cache\wheels\e2\0a\e4\f5e1af023bac56d2417778c70b50edb3e5884f30f93faaa19bBuilding wheel for py-cpuinfo (setup.py) ... doneCreated wheel for py-cpuinfo: filename=py_cpuinfo-8.0.0-py3-none-any.whl size=22257 sha256=08b366f8e546aef61201b5a501f963d866d68948a297eab4c4befbaf64c8bb86Stored in directory: c:\users\yang\appdata\local\pip\cache\wheels\ff\90\2a\381af46cb9292ed2cc2ab68f0cb7dae88d07bbd4a0c49ea6f1
Successfully built bce-python-sdk future pycocotools py-cpuinfo
Failed to build lap
Installing collected packages: zipp, typing-extensions, pyparsing, MarkupSafe, importlib-metadata, dataclasses, colorama, Werkzeug, tomli, six, pytz, py, pluggy, platformdirs, packaging, Jinja2, itsdangerous, iniconfig, importlib-resources, filelock, distlib, click, attrs, atomicwrites, virtualenv, urllib3, toml, pyyaml, python-dateutil, pytest, pyflakes, pycryptodome, pycodestyle, py-cpuinfo, pillow, numpy, nodeenv, mccabe, kiwisolver, idna, identify, future, flask, cycler, charset-normalizer, cfgv, Babel, xmltodict, tqdm, threadpoolctl, shellcheck-py, scipy, requests, pyzmq, pytest-benchmark, protobuf, pre-commit, pandas, opencv-python, matplotlib, joblib, Flask-Babel, flake8-import-order, flake8, et-xmlfile, bce-python-sdk, visualdl, shapely, scikit-learn, pycocotools, paddleslim, openpyxl, motmetrics, lap, flask-cors, chardet, paddlexRunning setup.py install for lap ... doneDEPRECATION: lap was installed using the legacy 'setup.py install' method, because a wheel could not be built for it. A possible replacement is to fix the wheel build issue reported above. You can find discussion regarding this at https://github.com/pypa/pip/issues/8368.
Successfully installed Babel-2.9.1 Flask-Babel-2.0.0 Jinja2-3.0.3 MarkupSafe-2.0.1 Werkzeug-2.0.3 atomicwrites-1.4.0 attrs-21.4.0 bce-python-sdk-0.8.64 cfgv-3.3.1 chardet-4.0.0 charset-normalizer-2.0.12 click-8.0.4 colorama-0.4.4 cycler-0.11.0 dataclasses-0.8 distlib-0.3.4 et-xmlfile-1.1.0 filelock-3.4.1 flake8-4.0.1 flake8-import-order-0.18.1 flask-2.0.3 flask-cors-3.0.10 future-0.18.2 identify-2.4.4 idna-3.3 importlib-metadata-4.2.0 importlib-resources-5.2.3 iniconfig-1.1.1 itsdangerous-2.0.1 joblib-1.1.0 kiwisolver-1.3.1 lap-0.4.0 matplotlib-3.3.4 mccabe-0.6.1 motmetrics-1.2.0 nodeenv-1.6.0 numpy-1.19.5 opencv-python-4.5.5.64 openpyxl-3.0.9 packaging-21.3 paddleslim-2.2.1 paddlex-2.1.0 pandas-1.1.5 pillow-8.4.0 platformdirs-2.4.0 pluggy-1.0.0 pre-commit-2.17.0 protobuf-3.19.4 py-1.11.0 py-cpuinfo-8.0.0 pycocotools-2.0.4 pycodestyle-2.8.0 pycryptodome-3.14.1 pyflakes-2.4.0 pyparsing-3.0.7 pytest-7.0.1 pytest-benchmark-3.4.1 python-dateutil-2.8.2 pytz-2021.3 pyyaml-6.0 pyzmq-22.3.0 requests-2.27.1 scikit-learn-0.23.2 scipy-1.5.4 shapely-1.8.1.post1 shellcheck-py-0.8.0.3 six-1.16.0 threadpoolctl-3.1.0 toml-0.10.2 tomli-1.2.3 tqdm-4.63.0 typing-extensions-4.1.1 urllib3-1.26.8 virtualenv-20.13.3 visualdl-2.2.3 xmltodict-0.12.0 zipp-3.6.0

最后 我展示一下安装结果，

(paddlex) C:\Users\YANG>conda list
# packages in environment at C:\Users\YANG\.conda\envs\paddlex:
#
# Name                    Version                   Build  Channel
atomicwrites              1.4.0                    pypi_0    pypi
attrs                     21.4.0                   pypi_0    pypi
babel                     2.9.1                    pypi_0    pypi
bce-python-sdk            0.8.64                   pypi_0    pypi
certifi                   2020.6.20          pyhd3eb1b0_3    defaults
cfgv                      3.3.1                    pypi_0    pypi
chardet                   4.0.0                    pypi_0    pypi
charset-normalizer        2.0.12                   pypi_0    pypi
click                     8.0.4                    pypi_0    pypi
colorama                  0.4.4                    pypi_0    pypi
cycler                    0.11.0                   pypi_0    pypi
dataclasses               0.8                      pypi_0    pypi
distlib                   0.3.4                    pypi_0    pypi
et-xmlfile                1.1.0                    pypi_0    pypi
filelock                  3.4.1                    pypi_0    pypi
flake8                    4.0.1                    pypi_0    pypi
flake8-import-order       0.18.1                   pypi_0    pypi
flask                     2.0.3                    pypi_0    pypi
flask-babel               2.0.0                    pypi_0    pypi
flask-cors                3.0.10                   pypi_0    pypi
future                    0.18.2                   pypi_0    pypi
identify                  2.4.4                    pypi_0    pypi
idna                      3.3                      pypi_0    pypi
importlib-metadata        4.2.0                    pypi_0    pypi
importlib-resources       5.2.3                    pypi_0    pypi
iniconfig                 1.1.1                    pypi_0    pypi
itsdangerous              2.0.1                    pypi_0    pypi
jinja2                    3.0.3                    pypi_0    pypi
joblib                    1.1.0                    pypi_0    pypi
kiwisolver                1.3.1                    pypi_0    pypi
lap                       0.4.0                    pypi_0    pypi
markupsafe                2.0.1                    pypi_0    pypi
matplotlib                3.3.4                    pypi_0    pypi
mccabe                    0.6.1                    pypi_0    pypi
motmetrics                1.2.0                    pypi_0    pypi
nodeenv                   1.6.0                    pypi_0    pypi
numpy                     1.19.5                   pypi_0    pypi
opencv-python             4.5.5.64                 pypi_0    pypi
openpyxl                  3.0.9                    pypi_0    pypi
packaging                 21.3                     pypi_0    pypi
paddleslim                2.2.1                    pypi_0    pypi
paddlex                   2.1.0                    pypi_0    pypi
pandas                    1.1.5                    pypi_0    pypi
pillow                    8.4.0                    pypi_0    pypi
pip                       21.2.2           py36haa95532_0    defaults
platformdirs              2.4.0                    pypi_0    pypi
pluggy                    1.0.0                    pypi_0    pypi
pre-commit                2.17.0                   pypi_0    pypi
protobuf                  3.19.4                   pypi_0    pypi
py                        1.11.0                   pypi_0    pypi
py-cpuinfo                8.0.0                    pypi_0    pypi
pycocotools               2.0.4                    pypi_0    pypi
pycodestyle               2.8.0                    pypi_0    pypi
pycryptodome              3.14.1                   pypi_0    pypi
pyflakes                  2.4.0                    pypi_0    pypi
pyparsing                 3.0.7                    pypi_0    pypi
pytest                    7.0.1                    pypi_0    pypi
pytest-benchmark          3.4.1                    pypi_0    pypi
python                    3.6.13               h3758d61_0    defaults
python-dateutil           2.8.2                    pypi_0    pypi
pytz                      2021.3                   pypi_0    pypi
pyyaml                    6.0                      pypi_0    pypi
pyzmq                     22.3.0                   pypi_0    pypi
requests                  2.27.1                   pypi_0    pypi
scikit-learn              0.23.2                   pypi_0    pypi
scipy                     1.5.4                    pypi_0    pypi
setuptools                58.0.4           py36haa95532_0    defaults
shapely                   1.8.1.post1              pypi_0    pypi
shellcheck-py             0.8.0.3                  pypi_0    pypi
six                       1.16.0                   pypi_0    pypi
sqlite                    3.38.0               h2bbff1b_0    defaults
threadpoolctl             3.1.0                    pypi_0    pypi
toml                      0.10.2                   pypi_0    pypi
tomli                     1.2.3                    pypi_0    pypi
tqdm                      4.63.0                   pypi_0    pypi
typing-extensions         4.1.1                    pypi_0    pypi
urllib3                   1.26.8                   pypi_0    pypi
vc                        14.2                 h21ff451_1    defaults
virtualenv                20.13.3                  pypi_0    pypi
visualdl                  2.2.3                    pypi_0    pypi
vs2015_runtime            14.27.29016          h5e58377_2    defaults
werkzeug                  2.0.3                    pypi_0    pypi
wheel                     0.37.1             pyhd3eb1b0_0    defaults
wincertstore              0.2              py36h7fe50ca_0    defaults
xmltodict                 0.12.0                   pypi_0    pypi
zipp                      3.6.0                    pypi_0    pypi

这里面自动安装opencv-python，sklearn，matplotlib，numpy，scipy，版本对应。

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