python安装paddlex（虚拟环境快速安装）
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/simplepip 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
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Installing build dependencies ... done
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Collecting attrs>=19.2.0
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Collecting packaging
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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,>=1.21.1
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Collecting idna<4,>=2.5
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Building wheels for collected packages: bce-python-sdk, future, lap, pycocotools, py-cpuinfo
Building wheel for bce-python-sdk (setup.py) ... done
Created wheel for bce-python-sdk: filename=bce_python_sdk-0.8.64-py3-none-any.whl size=202973 sha256=6506ca69cfcb6230d21780c88066aa2ab3133146570f1d4b18cba58d6fea0243
Stored in directory: c:\users\yang\appdata\local\pip\cache\wheels\4d\01\4a\0ddb9526bd30d94e4ba9d333ed1f462272e55724ee22ea338d
Building wheel for future (setup.py) ... done
Created wheel for future: filename=future-0.18.2-py3-none-any.whl size=491070 sha256=b5e3539159bb896cb66347efef94df602803a3f135ba32765d00b1832666ec84
Stored in directory: c:\users\yang\appdata\local\pip\cache\wheels\f3\f6\70\8b2bba44d8bf6ee5b7eac561416d9ef5c28dd2320490fc0f1f
Building wheel for lap (setup.py) ... error
ERROR: 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_status
import numpy
ModuleNotFoundError: No module named 'numpy'
Traceback (most recent call last):
File "", line 1, in
File "C:\Users\YANG\AppData\Local\Temp\pip-install-1hy88ulz\lap_764d663aaec3442d8df15524e446822b\setup.py", line 236, in
setup_package()
File "C:\Users\YANG\AppData\Local\Temp\pip-install-1hy88ulz\lap_764d663aaec3442d8df15524e446822b\setup.py", line 220, in setup_package
raise ImportError('lap requires numpy, '
ImportError: lap requires numpy, please "pip install numpy".
----------------------------------------
ERROR: Failed building wheel for lap
Running setup.py clean for lap
Building wheel for pycocotools (PEP 517) ... done
Created wheel for pycocotools: filename=pycocotools-2.0.4-cp36-cp36m-win_amd64.whl size=77785 sha256=5fec0452ac6867a85083d05ac136f44412bd554613d5d45cf81eba21a5ca5fbf
Stored in directory: c:\users\yang\appdata\local\pip\cache\wheels\e2\0a\e4\f5e1af023bac56d2417778c70b50edb3e5884f30f93faaa19b
Building wheel for py-cpuinfo (setup.py) ... done
Created wheel for py-cpuinfo: filename=py_cpuinfo-8.0.0-py3-none-any.whl size=22257 sha256=08b366f8e546aef61201b5a501f963d866d68948a297eab4c4befbaf64c8bb86
Stored 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, paddlex
Running setup.py install for lap ... done
DEPRECATION: 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。
