Thank you very much! Your answer helps me solve the question troubling me
long time.(My English is so bad that I can't express my gratitude.)
在 2013年10月12日星期六 UTC+8下午5:04:47，Tiago Palma写道：
>
> If anyone else faces this same problem, here's the solution:
>
> The issue was because the soft links "libxml2.so.2" and "libxml2.so" that
> are present in "/Canopy/appdata/canopy-1.1.0.1371.rh5-x86_64/lib" were
> referencing the library "libxml2.so.2.7.8" inside of the same folder, while
> the libxml2 installed in my system was libxml2.so.2.9.0.
>
> To solve the problem I've done the following steps:
>
> Copied the system libxml2 to the Canopy lib folder:
> > sudo cp /usr/lib/x86_64-linux-gnu/libxml2.so.2.9.0
> /Canopy/appdata/canopy-1.1.0.1371.rh5-x86_64/lib
>
> And changed the soft link references to reference the new library
> > rm libxml2.so.2; ln -s libxml2.so.2.9.0 libxml2.so.2
> > rm libxml2.so; ln -s libxml2.so.2.9.0 libxml2.so
>
> And that's it, now it's working fine.
>
> Tiago
>
>
> On Wednesday, October 2, 2013 11:16:51 PM UTC+1, Tiago Palma wrote:
>>
>> Hi,
>>
>> I'm new to Scrapy and I'm currently facing some issues when creating a
>> new project.
>>
>> I've managed to successfully install Scrapy, I have also installed the
>> libxml2, libxml2-dev, libxslt and libxslt-dev libraries.
>>
>> *pip install scrapy*
>> Requirement already satisfied (use --upgrade to upgrade): scrapy in
>> ./Enthought/Canopy_64bit/User/lib/python2.7/site-packages/Scrapy-0.18.2-py2.7.egg
>> Requirement already satisfied (use --upgrade to upgrade): Twisted>=8.0 in
>> ./Enthought/Canopy_64bit/User/lib/python2.7/site-packages (from scrapy)
>> Requirement already satisfied (use --upgrade to upgrade): w3lib>=1.2 in
>> ./Enthought/Canopy_64bit/User/lib/python2.7/site-packages (from scrapy)
>> Requirement already satisfied (use --upgrade to upgrade): queuelib in
>> ./Enthought/Canopy_64bit/User/lib/python2.7/site-packages/queuelib-1.0-py2.7.egg
>>
>> (from scrapy)
>> Requirement already satisfied (use --upgrade to upgrade): lxml in
>> ./Enthought/Canopy_64bit/User/lib/python2.7/site-packages (from scrapy)
>> Requirement already satisfied (use --upgrade to upgrade): pyOpenSSL in
>> ./Enthought/Canopy_64bit/User/lib/python2.7/site-packages (from scrapy)
>> Requirement already satisfied (use --upgrade to upgrade):
>> zope.interface>=3.6.0 in
>> ./Enthought/Canopy_64bit/User/lib/python2.7/site-packages (from
>> Twisted>=8.0->scrapy)
>> Requirement already satisfied (use --upgrade to upgrade): distribute in
>> ./Enthought/Canopy_64bit/User/lib/python2.7/site-packages (from
>> zope.interface>=3.6.0->Twisted>=8.0->scrapy)
>> Cleaning up...
>>
>>
>>
>> > *scrapy createproject tutorial*
>>
>> Traceback (most recent call last):
>> File "/home/user/Enthought/Canopy_64bit/User/bin/scrapy", line 5, in
>> <module>
>> pkg_resources.run_script('Scrapy==0.18.2', 'scrapy')
>> File
>> "/home/user/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/pkg_resources.py",
>>
>> line 499, in run_script
>> self.require(requires)[0].run_script(script_name, ns)
>> File
>> "/home/user/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/pkg_resources.py",
>>
>> line 1239, in run_script
>> execfile(script_filename, namespace, namespace)
>> File
>> "/home/user/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/Scrapy-0.18.2-py2.7.egg/EGG-INFO/scripts/scrapy",
>>
>> line 3, in <module>
>> from scrapy.cmdline import execute
>> File
>> "/home/user/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/Scrapy-0.18.2-py2.7.egg/scrapy/cmdline.py",
>>
>> line 8, in <module>
>> from scrapy.crawler import CrawlerProcess
>> File
>> "/home/user/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/Scrapy-0.18.2-py2.7.egg/scrapy/crawler.py",
>>
>> line 5, in <module>
>> from scrapy.core.engine import ExecutionEngine
>> File
>> "/home/user/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/Scrapy-0.18.2-py2.7.egg/scrapy/core/engine.py",
>>
>> line 14, in <module>
>> from scrapy.core.downloader import Downloader
>> File
>> "/home/user/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/Scrapy-0.18.2-py2.7.egg/scrapy/core/downloader/__init__.py",
>>
>> line 13, in <module>
>> from .middleware import DownloaderMiddlewareManager
>> File
>> "/home/user/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/Scrapy-0.18.2-py2.7.egg/scrapy/core/downloader/middleware.py",
>>
>> line 7, in <module>
>> from scrapy.http import Request, Response
>> File
>> "/home/user/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/Scrapy-0.18.2-py2.7.egg/scrapy/http/__init__.py",
>>
>> line 11, in <module>
>> from scrapy.http.request.form import FormRequest
>> File
>> "/home/user/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/Scrapy-0.18.2-py2.7.egg/scrapy/http/request/form.py",
>>
>> line 9, in <module>
>> import lxml.html
>> File
>> "/home/user/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/lxml/html/__init__.py",
>>
>> line 42, in <module>
>> from lxml import etree
>> *ImportError: /usr/lib/x86_64-linux-gnu/libxslt.so.1: symbol xmlBufUse,
>> version LIBXML2_2.9.0 not defined in file libxml2.so.2 with link time
>> reference*
>>
>> Can anyone help me with this issue?
>>
>> Thanks.
>> Tiago
>>
>
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