switched default selectors backend to lxml

debian/control

@@ -2,13 +2,13 @@ Source: scrapy-SUFFIX
 Section: python
 Priority: optional
 Maintainer: Insophia Team <info@insophia.com> 
-Build-Depends: debhelper (>= 7.0.50), python (>=2.6), python-twisted, python-w3lib
+Build-Depends: debhelper (>= 7.0.50), python (>=2.6), python-twisted, python-w3lib, python-lxml
 Standards-Version: 3.8.4
 Homepage: http://scrapy.org/
 
 Package: scrapy-SUFFIX
 Architecture: all
-Depends: ${python:Depends}, python-libxml2, python-twisted, python-openssl, python-w3lib (>= 1.1-r23)
+Depends: ${python:Depends}, python-lxml, python-twisted, python-openssl, python-w3lib (>= 1.1-r23)
 Recommends: python-setuptools
 Conflicts: python-scrapy, scrapy, scrapy-0.11
 Provides: python-scrapy, scrapy

docs/intro/install.rst

@@ -111,7 +111,7 @@ Debian or Ubuntu (9.04 or older)
 
 If you're running Debian Linux, run the following command as root::
 
-   apt-get install python-twisted python-libxml2 python-pyopenssl python-simplejson
+   apt-get install python-twisted python-lxmlxml python-pyopenssl python-simplejson
 
 Then::
 
@@ -124,7 +124,7 @@ Arch Linux
 
 If you are running Arch Linux, run the following command as root::
 
-   pacman -S twisted libxml2 pyopenssl python-simplejson
+   pacman -S twisted python-lxml pyopenssl python-simplejson
 
 Then::
 

scrapy/selector/__init__.py

@@ -18,13 +18,13 @@ elif settings['SELECTORS_BACKEND'] == 'dummy':
     from scrapy.selector.dummysel import *
 else:
     try:
-        import libxml2
+        import lxml
     except ImportError:
         try:
-            import lxml
+            import libxml2
         except ImportError:
             from scrapy.selector.dummysel import *
         else:
-            from scrapy.selector.lxmlsel import *
+            from scrapy.selector.libxml2sel import *
     else:
-        from scrapy.selector.libxml2sel import *
+        from scrapy.selector.lxmlsel import *

setup.py

@@ -120,12 +120,8 @@ try:
 except ImportError:
     from distutils.core import setup
 else:
-    setup_args['install_requires'] = ['Twisted>=8.0', 'w3lib>=1.1', 'pyOpenSSL']
+    setup_args['install_requires'] = ['Twisted>=8.0', 'w3lib>=1.1', 'lxml', 'pyOpenSSL']
     if sys.version_info < (2, 6):
         setup_args['install_requires'] += ['simplejson']
-    try:
-        import libxml2
-    except ImportError:
-        setup_args['install_requires'] += ['lxml']
  
 setup(**setup_args)