解决MacOS pip安装mysqlclient错误

Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting mysqlclient
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/4d/38/c5f8bac9c50f3042c8f05615f84206f77f03db79781db841898fde1bb284/mysqlclient-1.4.4.tar.gz (86kB)
     |████████████████████████████████| 92kB 1.3MB/s 
Building wheels for collected packages: mysqlclient
  Building wheel for mysqlclient (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: /Users/panjing/dev/myblog/venv/bin/python3.7 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/jn/8sxjqjdx01g02l9mbhy5ndn00000gn/T/pip-install-vgtmkrpb/mysqlclient/setup.py'"'"'; __file__='"'"'/private/var/folders/jn/8sxjqjdx01g02l9mbhy5ndn00000gn/T/pip-install-vgtmkrpb/mysqlclient/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /private/var/folders/jn/8sxjqjdx01g02l9mbhy5ndn00000gn/T/pip-wheel-61lmnm9k --python-tag cp37
       cwd: /private/var/folders/jn/8sxjqjdx01g02l9mbhy5ndn00000gn/T/pip-install-vgtmkrpb/mysqlclient/
  Complete output (30 lines):
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.macosx-10.14-x86_64-3.7
  creating build/lib.macosx-10.14-x86_64-3.7/MySQLdb
  copying MySQLdb/__init__.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
  copying MySQLdb/_exceptions.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
  copying MySQLdb/compat.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
  copying MySQLdb/connections.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
  copying MySQLdb/converters.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
  copying MySQLdb/cursors.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
  copying MySQLdb/release.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
  copying MySQLdb/times.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
  creating build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
  copying MySQLdb/constants/__init__.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
  copying MySQLdb/constants/CLIENT.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
  copying MySQLdb/constants/CR.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
  copying MySQLdb/constants/ER.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
  copying MySQLdb/constants/FIELD_TYPE.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
  copying MySQLdb/constants/FLAG.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
  running build_ext
  building 'MySQLdb._mysql' extension
  creating build/temp.macosx-10.14-x86_64-3.7
  creating build/temp.macosx-10.14-x86_64-3.7/MySQLdb
  clang -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/Tk.framework/Versions/8.5/Headers -Dversion_info=(1,4,4,'final',0) -D__version__=1.4.4 -I/usr/local/Cellar/mysql/8.0.16/include/mysql -I/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/include/python3.7m -c MySQLdb/_mysql.c -o build/temp.macosx-10.14-x86_64-3.7/MySQLdb/_mysql.o
  clang -bundle -undefined dynamic_lookup build/temp.macosx-10.14-x86_64-3.7/MySQLdb/_mysql.o -L/usr/local/Cellar/mysql/8.0.16/lib -lmysqlclient -lssl -lcrypto -o build/lib.macosx-10.14-x86_64-3.7/MySQLdb/_mysql.cpython-37m-darwin.so
  ld: library not found for -lssl
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  error: command 'clang' failed with exit status 1
  ----------------------------------------
  ERROR: Failed building wheel for mysqlclient
  Running setup.py clean for mysqlclient
Failed to build mysqlclient
Installing collected packages: mysqlclient
  Running setup.py install for mysqlclient ... error
    ERROR: Command errored out with exit status 1:
     command: /Users/panjing/dev/myblog/venv/bin/python3.7 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/jn/8sxjqjdx01g02l9mbhy5ndn00000gn/T/pip-install-vgtmkrpb/mysqlclient/setup.py'"'"'; __file__='"'"'/private/var/folders/jn/8sxjqjdx01g02l9mbhy5ndn00000gn/T/pip-install-vgtmkrpb/mysqlclient/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/jn/8sxjqjdx01g02l9mbhy5ndn00000gn/T/pip-record-mewomh9h/install-record.txt --single-version-externally-managed --compile --install-headers /Users/panjing/dev/myblog/venv/bin/../include/site/python3.7/mysqlclient
         cwd: /private/var/folders/jn/8sxjqjdx01g02l9mbhy5ndn00000gn/T/pip-install-vgtmkrpb/mysqlclient/
    Complete output (30 lines):
    running install
    running build
    running build_py
    creating build
    creating build/lib.macosx-10.14-x86_64-3.7
    creating build/lib.macosx-10.14-x86_64-3.7/MySQLdb
    copying MySQLdb/__init__.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
    copying MySQLdb/_exceptions.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
    copying MySQLdb/compat.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
    copying MySQLdb/connections.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
    copying MySQLdb/converters.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
    copying MySQLdb/cursors.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
    copying MySQLdb/release.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
    copying MySQLdb/times.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb
    creating build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
    copying MySQLdb/constants/__init__.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
    copying MySQLdb/constants/CLIENT.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
    copying MySQLdb/constants/CR.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
    copying MySQLdb/constants/ER.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
    copying MySQLdb/constants/FIELD_TYPE.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
    copying MySQLdb/constants/FLAG.py -> build/lib.macosx-10.14-x86_64-3.7/MySQLdb/constants
    running build_ext
    building 'MySQLdb._mysql' extension
    creating build/temp.macosx-10.14-x86_64-3.7
    creating build/temp.macosx-10.14-x86_64-3.7/MySQLdb
    clang -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/Tk.framework/Versions/8.5/Headers -Dversion_info=(1,4,4,'final',0) -D__version__=1.4.4 -I/usr/local/Cellar/mysql/8.0.16/include/mysql -I/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/include/python3.7m -c MySQLdb/_mysql.c -o build/temp.macosx-10.14-x86_64-3.7/MySQLdb/_mysql.o
    clang -bundle -undefined dynamic_lookup build/temp.macosx-10.14-x86_64-3.7/MySQLdb/_mysql.o -L/usr/local/Cellar/mysql/8.0.16/lib -lmysqlclient -lssl -lcrypto -o build/lib.macosx-10.14-x86_64-3.7/MySQLdb/_mysql.cpython-37m-darwin.so
    ld: library not found for -lssl
    clang: error: linker command failed with exit code 1 (use -v to see invocation)
    error: command 'clang' failed with exit status 1
    ----------------------------------------
ERROR: Command errored out with exit status 1: /Users/panjing/dev/myblog/venv/bin/python3.7 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/jn/8sxjqjdx01g02l9mbhy5ndn00000gn/T/pip-install-vgtmkrpb/mysqlclient/setup.py'"'"'; __file__='"'"'/private/var/folders/jn/8sxjqjdx01g02l9mbhy5ndn00000gn/T/pip-install-vgtmkrpb/mysqlclient/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/jn/8sxjqjdx01g02l9mbhy5ndn00000gn/T/pip-record-mewomh9h/install-record.txt --single-version-externally-managed --compile --install-headers /Users/panjing/dev/myblog/venv/bin/../include/site/python3.7/mysqlclient Check the logs for full command output.

brew install openssl
export LIBRARY_PATH=$LIBRARY_PATH:/usr/local/opt/openssl/lib/

sudo vim /etc/profile

export LIBRARY_PATH=$LIBRARY_PATH:/usr/local/opt/openssl/lib/

source /etc/profile