[英]Cannot install lxml using pip
我試圖使用pip install lxml
在Ubuntu 14.04上安裝lxml python庫。
它失敗了,輸出結果(這里只是結尾):
...
...
...
src/lxml/lxml.etree.c:8:22: fatal error: pyconfig.h: No such file or directory
#include "pyconfig.h"
^
compilation terminated.
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
我搜索了這個問題,發現我應該安裝一些東西:
apt-get install libxml2-dev libxslt-dev libxslt1-dev python-dev
然后我重新嘗試使用pip install lxml
進行pip install lxml
。 安裝再次失敗,現在出現了不同的錯誤。 pip --default-timeout=300 install lxml
什么都沒改變。
新錯誤是:
...
...
...
creating build/temp.linux-x86_64-2.7/src/lxml
x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/libxml2 -I/tmp/pip_build_root/lxml/src/lxml/includes -I/usr/include/python2.7 -c src/lxml/lxml.etree.c -o build/temp.linux-x86_64-2.7/src/lxml/lxml.etree.o -w
x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-Bsymbolic-functions -Wl,-z,relro -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -D_FORTIFY_SOURCE=2 -g -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security build/temp.linux-x86_64-2.7/src/lxml/lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.linux-x86_64-2.7/lxml/etree.so
/usr/bin/ld: cannot find -lz
collect2: error: ld returned 1 exit status
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
----------------------------------------
Cleaning up...
Command /usr/bin/python -c "import setuptools, tokenize;__file__='/tmp/pip_build_root/lxml/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-PVygtI-record/install-record.txt --single-version-externally-managed --compile failed with error code 1 in /tmp/pip_build_root/lxml
Storing debug log for failure in /root/.pip/pip.log
來自/root/.pip/pip.log
文件的其他信息:
Exception information:
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in main
status = self.run(options, args)
File "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line 283, in run
requirement_set.install(install_options, global_options, root=options.root_path)
File "/usr/lib/python2.7/dist-packages/pip/req.py", line 1436, in install
requirement.install(install_options, global_options, *args, **kwargs)
File "/usr/lib/python2.7/dist-packages/pip/req.py", line 707, in install
cwd=self.source_dir, filter_stdout=self._filter_install, show_stdout=False)
File "/usr/lib/python2.7/dist-packages/pip/util.py", line 715, in call_subprocess
% (command_desc, proc.returncode, cwd))
InstallationError: Command /usr/bin/python -c "import setuptools, tokenize;__file__='/tmp/pip_build_root/lxml/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-Jj2y9w-record/install-record.txt --single-version-externally-managed --compile failed with error code 1 in /tmp/pip_build_root/lxml
但是,我可以通過apt-get install python-lxml
,也可以在從lxml的網站手動下載之后在本地安裝,但我想用pip安裝。
這個錯誤......
/usr/bin/ld: cannot find -lz
...建議您還需要安裝zlib1g-dev
:
apt-get install zlib1g-dev
lxml
模塊具有相當多的依賴項。 使用系統軟件包管理器提供的軟件通常要容易得多,除非您需要一個僅在從源代碼構建時才可用的功能。
通常,對於此類錯誤,您需要找到提供缺少的共享庫的包。 這將是lib<SOMETHING>.so
,其中<SOMETHING>
是錯誤消息中-l
<SOMETHING>
內容。
您可以使用apt-file
命令來幫助找到相應的包。 例如:
# apt-file search libz.so
lib32z1: /usr/lib32/libz.so.1
lib32z1: /usr/lib32/libz.so.1.2.8
lib32z1-dev: /usr/lib32/libz.so
libx32z1: /usr/libx32/libz.so.1
libx32z1: /usr/libx32/libz.so.1.2.8
libx32z1-dev: /usr/libx32/libz.so
zlib1g: /lib/x86_64-linux-gnu/libz.so.1
zlib1g: /lib/x86_64-linux-gnu/libz.so.1.2.8
zlib1g-dev: /usr/lib/x86_64-linux-gnu/libz.so
列表中的最后一個條目是.../libz.so
,由zlib1g-dev
軟件包提供。
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