Fedora 24 安装 Scrapy 中遇到的坑

最新推荐文章于 2024-07-21 13:22:41 发布
最新推荐文章于 2024-07-21 13:22:41 发布
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文章标签： python
原文链接：https://my.oschina.net/webcreazy/blog/713515
本文介绍如何在Python环境中安装Scrapy框架及其依赖项。包括安装必要的系统包、使用pip安装Scrapy及解决安装过程中遇到的问题。

2019独角兽企业重金招聘Python工程师标准>>> hot3.png

首先应先安装各种编译需要的包：

[root@bogon upir]# dnf install libxslt-devel redhat-rpm-config python-devel openssl-devel

再进行Scrapy安装：

[root@bogon upir]# pip install Scrapy
Collecting Scrapy
  Downloading Scrapy-1.1.1-py2.py3-none-any.whl (295kB)
    100% |████████████████████████████████| 296kB 40kB/s 
Collecting lxml (from Scrapy)
  Downloading lxml-3.6.0.tar.gz (3.7MB)
    100% |████████████████████████████████| 3.7MB 47kB/s 
Collecting w3lib>=1.14.2 (from Scrapy)
  Downloading w3lib-1.14.3-py2.py3-none-any.whl
Collecting service-identity (from Scrapy)
  Downloading service_identity-16.0.0-py2.py3-none-any.whl
Collecting pyOpenSSL (from Scrapy)
  Downloading pyOpenSSL-16.0.0-py2.py3-none-any.whl (45kB)
    100% |████████████████████████████████| 51kB 40kB/s 
Collecting six>=1.5.2 (from Scrapy)
  Downloading six-1.10.0-py2.py3-none-any.whl
Collecting parsel>=0.9.3 (from Scrapy)
  Downloading parsel-1.0.2-py2.py3-none-any.whl
Collecting PyDispatcher>=2.0.5 (from Scrapy)
  Downloading PyDispatcher-2.0.5.tar.gz
Collecting queuelib (from Scrapy)
  Downloading queuelib-1.4.2-py2.py3-none-any.whl
Collecting cssselect>=0.9 (from Scrapy)
  Downloading cssselect-0.9.2-py2.py3-none-any.whl
Collecting Twisted>=10.0.0 (from Scrapy)
  Downloading Twisted-16.3.0.tar.bz2 (2.9MB)
    100% |████████████████████████████████| 2.9MB 33kB/s 
Collecting pyasn1-modules (from service-identity->Scrapy)
  Downloading pyasn1_modules-0.0.8-py2.py3-none-any.whl
Collecting pyasn1 (from service-identity->Scrapy)
  Downloading pyasn1-0.1.9-py2.py3-none-any.whl
Collecting attrs (from service-identity->Scrapy)
  Downloading attrs-16.0.0-py2.py3-none-any.whl
Collecting cryptography>=1.3 (from pyOpenSSL->Scrapy)
  Downloading cryptography-1.4.tar.gz (399kB)
    100% |████████████████████████████████| 409kB 48kB/s 
Collecting zope.interface>=3.6.0 (from Twisted>=10.0.0->Scrapy)
  Downloading zope.interface-4.2.0.tar.gz (146kB)
    100% |████████████████████████████████| 153kB 56kB/s 
Collecting idna>=2.0 (from cryptography>=1.3->pyOpenSSL->Scrapy)
  Downloading idna-2.1-py2.py3-none-any.whl (54kB)
    100% |████████████████████████████████| 61kB 60kB/s 
Requirement already satisfied (use --upgrade to upgrade): setuptools>=11.3 in /usr/lib/python2.7/site-packages (from cryptography>=1.3->pyOpenSSL->Scrapy)
Collecting enum34 (from cryptography>=1.3->pyOpenSSL->Scrapy)
  Downloading enum34-1.1.6-py2-none-any.whl
Collecting ipaddress (from cryptography>=1.3->pyOpenSSL->Scrapy)
  Downloading ipaddress-1.0.16-py27-none-any.whl
Collecting cffi>=1.4.1 (from cryptography>=1.3->pyOpenSSL->Scrapy)
  Downloading cffi-1.7.0-cp27-cp27mu-manylinux1_x86_64.whl (383kB)
    100% |████████████████████████████████| 389kB 58kB/s 
Collecting pycparser (from cffi>=1.4.1->cryptography>=1.3->pyOpenSSL->Scrapy)
  Downloading pycparser-2.14.tar.gz (223kB)
    100% |████████████████████████████████| 225kB 57kB/s 
Installing collected packages: lxml, six, w3lib, pyasn1, pyasn1-modules, idna, enum34, ipaddress, pycparser, cffi, cryptography, pyOpenSSL, attrs, service-identity, cssselect, parsel, PyDispatcher, queuelib, zope.interface, Twisted, Scrapy
  Running setup.py install for lxml ... error
    Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-7xYR1h/lxml/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-h5ATXl-record/install-record.txt --single-version-externally-managed --compile:
    Building lxml version 3.6.0.
    Building without Cython.
    ERROR: /bin/sh: xslt-config: 未找到命令
    
    ** make sure the development packages of libxml2 and libxslt are installed **
    
    Using build configuration of libxslt
    running install
    running build
    running build_py
    creating build
    creating build/lib.linux-x86_64-2.7
    creating build/lib.linux-x86_64-2.7/lxml
    copying src/lxml/doctestcompare.py -> build/lib.linux-x86_64-2.7/lxml
    copying src/lxml/__init__.py -> build/lib.linux-x86_64-2.7/lxml
    copying src/lxml/_elementpath.py -> build/lib.linux-x86_64-2.7/lxml
    copying src/lxml/sax.py -> build/lib.linux-x86_64-2.7/lxml
    copying src/lxml/ElementInclude.py -> build/lib.linux-x86_64-2.7/lxml
    copying src/lxml/usedoctest.py -> build/lib.linux-x86_64-2.7/lxml
    copying src/lxml/pyclasslookup.py -> build/lib.linux-x86_64-2.7/lxml
    copying src/lxml/cssselect.py -> build/lib.linux-x86_64-2.7/lxml
    copying src/lxml/builder.py -> build/lib.linux-x86_64-2.7/lxml
    creating build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/__init__.py -> build/lib.linux-x86_64-2.7/lxml/includes
    creating build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/diff.py -> build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/defs.py -> build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/__init__.py -> build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/ElementSoup.py -> build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/soupparser.py -> build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/_setmixin.py -> build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/usedoctest.py -> build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/formfill.py -> build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/clean.py -> build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/_diffcommand.py -> build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/html5parser.py -> build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/builder.py -> build/lib.linux-x86_64-2.7/lxml/html
    copying src/lxml/html/_html5builder.py -> build/lib.linux-x86_64-2.7/lxml/html
    creating build/lib.linux-x86_64-2.7/lxml/isoschematron
    copying src/lxml/isoschematron/__init__.py -> build/lib.linux-x86_64-2.7/lxml/isoschematron
    copying src/lxml/lxml.etree.h -> build/lib.linux-x86_64-2.7/lxml
    copying src/lxml/lxml.etree_api.h -> build/lib.linux-x86_64-2.7/lxml
    copying src/lxml/includes/xinclude.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/uri.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/xmlschema.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/htmlparser.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/xslt.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/tree.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/xmlparser.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/xpath.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/schematron.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/config.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/dtdvalid.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/c14n.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/etreepublic.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/xmlerror.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/relaxng.pxd -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/etree_defs.h -> build/lib.linux-x86_64-2.7/lxml/includes
    copying src/lxml/includes/lxml-version.h -> build/lib.linux-x86_64-2.7/lxml/includes
    creating build/lib.linux-x86_64-2.7/lxml/isoschematron/resources
    creating build/lib.linux-x86_64-2.7/lxml/isoschematron/resources/rng
    copying src/lxml/isoschematron/resources/rng/iso-schematron.rng -> build/lib.linux-x86_64-2.7/lxml/isoschematron/resources/rng
    creating build/lib.linux-x86_64-2.7/lxml/isoschematron/resources/xsl
    copying src/lxml/isoschematron/resources/xsl/RNG2Schtrn.xsl -> build/lib.linux-x86_64-2.7/lxml/isoschematron/resources/xsl
    copying src/lxml/isoschematron/resources/xsl/XSD2Schtrn.xsl -> build/lib.linux-x86_64-2.7/lxml/isoschematron/resources/xsl
    creating build/lib.linux-x86_64-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_skeleton_for_xslt1.xsl -> build/lib.linux-x86_64-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_abstract_expand.xsl -> build/lib.linux-x86_64-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_svrl_for_xslt1.xsl -> build/lib.linux-x86_64-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_message.xsl -> build/lib.linux-x86_64-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_dsdl_include.xsl -> build/lib.linux-x86_64-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/readme.txt -> build/lib.linux-x86_64-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    running build_ext
    building 'lxml.etree' extension
    creating build/temp.linux-x86_64-2.7
    creating build/temp.linux-x86_64-2.7/src
    creating build/temp.linux-x86_64-2.7/src/lxml
    gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -Isrc/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
    gcc: 错误：/usr/lib/rpm/redhat/redhat-hardened-cc1：No such file or directory
    Compile failed: command 'gcc' failed with exit status 1
    creating tmp
    cc -I/usr/include/libxml2 -c /tmp/xmlXPathInitxsOje_.c -o tmp/xmlXPathInitxsOje_.o
    /tmp/xmlXPathInitxsOje_.c:1:26: 致命错误：libxml/xpath.h：No such file or directory
     #include "libxml/xpath.h"
                              ^
    编译中断。
    *********************************************************************************
    Could not find function xmlCheckVersion in library libxml2. Is libxml2 installed?
    *********************************************************************************
    error: command 'gcc' failed with exit status 1
    
    ----------------------------------------
Command "/usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-7xYR1h/lxml/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-h5ATXl-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-7xYR1h/lxml/

上面是首次安装出现的一个问题，

下面是成功安装的：

[root@bogon upir]# pip install Scrapy
Collecting Scrapy
  Using cached Scrapy-1.1.1-py2.py3-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): lxml in /usr/lib64/python2.7/site-packages (from Scrapy)
Requirement already satisfied (use --upgrade to upgrade): w3lib>=1.14.2 in /usr/lib/python2.7/site-packages (from Scrapy)
Collecting service-identity (from Scrapy)
  Using cached service_identity-16.0.0-py2.py3-none-any.whl
Collecting pyOpenSSL (from Scrapy)
  Using cached pyOpenSSL-16.0.0-py2.py3-none-any.whl
Collecting parsel>=0.9.3 (from Scrapy)
  Using cached parsel-1.0.2-py2.py3-none-any.whl
Collecting PyDispatcher>=2.0.5 (from Scrapy)
  Using cached PyDispatcher-2.0.5.tar.gz
Requirement already satisfied (use --upgrade to upgrade): six>=1.5.2 in /usr/lib/python2.7/site-packages (from Scrapy)
Collecting queuelib (from Scrapy)
  Using cached queuelib-1.4.2-py2.py3-none-any.whl
Collecting cssselect>=0.9 (from Scrapy)
  Using cached cssselect-0.9.2-py2.py3-none-any.whl
Collecting Twisted>=10.0.0 (from Scrapy)
  Using cached Twisted-16.3.0.tar.bz2
Requirement already satisfied (use --upgrade to upgrade): pyasn1-modules in /usr/lib/python2.7/site-packages (from service-identity->Scrapy)
Requirement already satisfied (use --upgrade to upgrade): pyasn1 in /usr/lib/python2.7/site-packages (from service-identity->Scrapy)
Collecting attrs (from service-identity->Scrapy)
  Using cached attrs-16.0.0-py2.py3-none-any.whl
Collecting cryptography>=1.3 (from pyOpenSSL->Scrapy)
  Using cached cryptography-1.4.tar.gz
Collecting zope.interface>=3.6.0 (from Twisted>=10.0.0->Scrapy)
  Using cached zope.interface-4.2.0.tar.gz
Requirement already satisfied (use --upgrade to upgrade): idna>=2.0 in /usr/lib/python2.7/site-packages (from cryptography>=1.3->pyOpenSSL->Scrapy)
Requirement already satisfied (use --upgrade to upgrade): setuptools>=11.3 in /usr/lib/python2.7/site-packages (from cryptography>=1.3->pyOpenSSL->Scrapy)
Requirement already satisfied (use --upgrade to upgrade): enum34 in /usr/lib/python2.7/site-packages (from cryptography>=1.3->pyOpenSSL->Scrapy)
Requirement already satisfied (use --upgrade to upgrade): ipaddress in /usr/lib/python2.7/site-packages (from cryptography>=1.3->pyOpenSSL->Scrapy)
Requirement already satisfied (use --upgrade to upgrade): cffi>=1.4.1 in /usr/lib64/python2.7/site-packages (from cryptography>=1.3->pyOpenSSL->Scrapy)
Requirement already satisfied (use --upgrade to upgrade): pycparser in /usr/lib/python2.7/site-packages (from cffi>=1.4.1->cryptography>=1.3->pyOpenSSL->Scrapy)
Installing collected packages: cryptography, pyOpenSSL, attrs, service-identity, cssselect, parsel, PyDispatcher, queuelib, zope.interface, Twisted, Scrapy
  Running setup.py install for cryptography ... done
  Running setup.py install for PyDispatcher ... done
  Running setup.py install for zope.interface ... done
  Running setup.py install for Twisted ... done
Successfully installed PyDispatcher-2.0.5 Scrapy-1.1.1 Twisted-16.3.0 attrs-16.0.0 cryptography-1.4 cssselect-0.9.2 parsel-1.0.2 pyOpenSSL-16.0.0 queuelib-1.4.2 service-identity-16.0.0 zope.interface-4.2.0

 

转载于:https://my.oschina.net/webcreazy/blog/713515

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134.4 Collecting lxml==4.6.2 (from scrapy_plus->-r /app/requirements.txt (line 1)) 134.7 Downloading https://mirrors.aliyun.com/pypi/packages/db/f7/43fecb94d66959c1e23aa53d6161231dca0e93ec500224cf31b3c4073e37/lxml-4.6.2.tar.gz (3.2 MB) 137.1 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 3.2/3.2 MB 1.3 MB/s eta 0:00:00 139.3 Preparing metadata (setup.py): started 140.2 Preparing metadata (setup.py): finished with status 'error' 140.2 error: subprocess-exited-with-error 140.2 140.2 × python setup.py egg_info did not run successfully. 140.2 │ exit code: 1 140.2 ╰─> [5 lines of output] 140.2 /tmp/pip-install-kpag10_k/lxml_29d6aecc79634d7eb73c254343ea111a/setup.py:64: DeprecationWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html 140.2 import pkg_resources 140.2 Building lxml version 4.6.2. 140.2 Building without Cython. 140.2 Error: Please make sure the libxml2 and libxslt development packages are installed. 140.2 [end of output] 140.2 140.2 note: This error originates from a subprocess, and is likely not a problem with pip. 140.2 error: metadata-generation-failed 140.2 140.2 × Encountered error while generating package metadata. 140.2 ╰─> See above for output. 140.2 140.2 note: This is an issue with the package mentioned above, not pip. 140.2 hint: See above for details. 140.9 140.9 [notice] A new release of pip is available: 24.0 -> 25.0.1 140.9 [notice] To update, run: python3.10 -m pip install --upgrade pip ------ failed to solve: process "/bin/sh -c pip install -i https://mirrors.aliyun.com/pypi/simple/ --no-cache-dir -r /app/requirements.txt" did not complete successfully: exit code: 1
最新发布
04-03
嗯，用户遇到了安装lxml==4.6.2时的错误，错误信息显示需要安装libxml2和libxslt的开发包。我需要先理解这个问题的原因。lxml是一个Python库，它依赖底层的C库，比如libxml2和libxslt。在安装时，如果系统缺少这些...
爬虫自己做的
d1241032813的博客
07-21 8927
在做扩展五是最好先看综上所述
Linux 中安装 locust 遇到报错怎么解决。
weixin_45195493的博客
12-08 1176
一、网上找了一些方法（咱也不知道干啥的）就都试了下，就是用不了。
pip的安装问题
03-19 654
1. pip install 要不要加 sudo 不加sudo经常会遇到权限问题,如: $ pip install robotframeworklexerCollecting robotframeworklexerUsing cached robotframeworklexer-1.0.tar.gzInstalling collected packages: robot...
python3 错误解决
weixin_33769125的博客
08-22 2050
2019独角兽企业重金招聘Python工程师标准>>> ...
python 3 安装gevent报 gcc错误
jiyixi_tao的专栏
11-08 4777
python3 安装gevent报错 GCC error
记录Pytorch在Linux环境下安装出现的pillow相关问题解决
weixin_44220689的博客
04-18 2602
在准备好Python3.*和pip安装环境后，通过Pytorch官网的下载命令进行pytorch安装。 安装过程中出现pillow的相关错误，具体错误显示如下： Installing collected packages: typing-extensions, dataclasses, torch, numpy, pillow, torchvision, torchaudio Running setup.py install for pillow ... error Complete outp
CentOS7安装uwsgi报错
任我行的博客
06-17 3403
[root@localhost ~]# pip install uwsgi Collecting uwsgi Using cached uwsgi-2.0.15.tar.gz Installing collected packages: uwsgi Running setup.py install for uwsgi ... error Complete output from c...
ubuntu 18.04 安装Pillow失败
findway1111的博客
06-21 1557
Pillow安装失败
liunx安装报错，升级pip解决
weixin_45195493的博客
12-13 625
【代码】liunx安装报错，升级pip解决。
pip安装pillow失败
qq_39456991的博客
10-21 1293
pip安装pillow失败 Linux安装依赖于pillow库的其他库，如matplotlib,以及安装pillow库本身均报错 pip3 install matplotlib ...... Traceback (most recent call last): File "<string>", line 1, in <module> File "/tmp/pip-build-c3xrp6a1/pillow/setup.py", line 1037, in &
Fedora 12 中文安装手册完整指南
- 安装额外软件：根据个人需要，用户可以从Fedora的软件仓库中安装更多的软件包。 - 系统更新：建议检查并安装所有可用的系统更新，以确保系统安全稳定。 - 软件开发环境配置：如果用户是开发者，可能需要安装如GCC...
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