折腾：
【未解决】mac中安装python3的多个不同版本
期间，去安装pyenv install 3.5.2，结果报错：
➜ ~ pyenv install 3.5.2 python-build: use openssl from homebrew python-build: use readline from homebrew Downloading Python-3.5.2.tar.xz... -> https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tar.xz Installing Python-3.5.2... patching file Lib/venv/scripts/posix/activate.fish python-build: use readline from homebrew BUILD FAILED (OS X 10.14.5 using python-build 20180424) Inspect or clean up the working tree at /var/folders/46/2hjxz38n22n3ypp_5f6_p__00000gn/T/python-build.20190607202138.62111 Results logged to /var/folders/46/2hjxz38n22n3ypp_5f6_p__00000gn/T/python-build.20190607202138.62111.log Last 10 log lines: File "/private/var/folders/46/2hjxz38n22n3ypp_5f6_p__00000gn/T/python-build.20190607202138.62111/Python-3.5.2/Lib/ensurepip/__main__.py", line 4, in <module> ensurepip._main() File "/private/var/folders/46/2hjxz38n22n3ypp_5f6_p__00000gn/T/python-build.20190607202138.62111/Python-3.5.2/Lib/ensurepip/__init__.py", line 209, in _main default_pip=args.default_pip, File "/private/var/folders/46/2hjxz38n22n3ypp_5f6_p__00000gn/T/python-build.20190607202138.62111/Python-3.5.2/Lib/ensurepip/__init__.py", line 116, in bootstrap _run_pip(args + [p[0] for p in _PROJECTS], additional_paths) File "/private/var/folders/46/2hjxz38n22n3ypp_5f6_p__00000gn/T/python-build.20190607202138.62111/Python-3.5.2/Lib/ensurepip/__init__.py", line 40, in _run_pip import pip zipimport.ZipImportError: can't decompress data; zlib not available make: *** [Makefile:1059: install] Error 1
zipimport.ZipImportError: can’t decompress data; zlib not available
mac zipimport.ZipImportError: can’t decompress data; zlib not available
➜ ~ brew install zlib Updating Homebrew... ==> Downloading https://homebrew.bintray.com/bottles/zlib-1.2.11.mojave.bottle.tar.gz ######################################################################## 100.0% ==> Pouring zlib-1.2.11.mojave.bottle.tar.gz ==> Caveats zlib is keg-only, which means it was not symlinked into /usr/local, because macOS already provides this software and installing another version in parallel can cause all kinds of trouble. For compilers to find zlib you may need to set: export LDFLAGS="-L/usr/local/opt/zlib/lib" export CPPFLAGS="-I/usr/local/opt/zlib/include" For pkg-config to find zlib you may need to set: export PKG_CONFIG_PATH="/usr/local/opt/zlib/lib/pkgconfig" ==> Summary 🍺 /usr/local/Cellar/zlib/1.2.11: 12 files, 373KB
为了后续可能用到，再去：
vim ~/.bashrc
加上：
# For compilers to find zlib you may need to set:
export LDFLAGS="${LDFLAGS} -L/usr/local/opt/zlib/lib"
export CPPFLAGS="${CPPFLAGS} -I/usr/local/opt/zlib/include"
# For pkg-config to find zlib you may need to set:
export PKG_CONFIG_PATH="${PKG_CONFIG_PATH} /usr/local/opt/zlib/lib/pkgconfig"结果问题依旧
Mojave使用pyenv安装python-zlib错误 | Pluviophile’s Blog
https://lisupy.github.io/2018/10/01/2018-10-01-Mojave使用pyenv安装python/#brew安装缺失的库
➜ ~ xcode-select -v xcode-select version 2354.
怀疑是之前虽然安装了zlib，也给.bashrc加了变量，但是没生效。
所以再去生效：
➜ ~ source ~/.bashrc ➜ ~ echo $LDFLAGS -L/usr/local/opt/zlib/lib ➜ ~ echo $CPPFLAGS -I/usr/local/opt/zlib/include ➜ ~ echo $PKG_CONFIG_PATH /usr/local/opt/zlib/lib/pkgconfig
然后再去：
pyenv install 3.5.2
结果：可以了：
➜ ~ pyenv install 3.5.2 python-build: use openssl from homebrew python-build: use readline from homebrew Downloading Python-3.5.2.tar.xz... -> https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tar.xz Installing Python-3.5.2... patching file Lib/venv/scripts/posix/activate.fish python-build: use readline from homebrew WARNING: The Python sqlite3 extension was not compiled. Missing the SQLite3 lib? Installed Python-3.5.2 to /Users/crifan/.pyenv/versions/3.5.2
即可。
【总结】
此处mac中：
pyenv install 3.5.2
报错：
zipimport.ZipImportError: can’t decompress data; zlib not available
原因：
mac中缺少zlib，（编译期间）找不到zib
解决办法：
安装zlib，且要加到环境变量中，要让（编译）能找到zlib
（1）安装zlib
brew install zlib
（2）加上合适的环境变量
编辑~/.bashrc
vim ~/.bashrc
（在最后）加上：
# For compilers to find zlib you may need to set:
export LDFLAGS="${LDFLAGS} -L/usr/local/opt/zlib/lib"
export CPPFLAGS="${CPPFLAGS} -I/usr/local/opt/zlib/include"
# For pkg-config to find zlib you may need to set:
export PKG_CONFIG_PATH="${PKG_CONFIG_PATH} /usr/local/opt/zlib/lib/pkgconfig"让变量生效：
source ~/.bashrc
【可选】确认变量的确生效：
➜ ~ echo $LDFLAGS -L/usr/local/opt/zlib/lib ➜ ~ echo $CPPFLAGS -I/usr/local/opt/zlib/include ➜ ~ echo $PKG_CONFIG_PATH /usr/local/opt/zlib/lib/pkgconfig
转载请注明：在路上 » 【已解决】mac中安装pyenv install 3.5.2报错：zipimport.ZipImportError can’t decompress data zlib not available