separate setup.py with pip installation, add trouble shooting page

python-package/setup.py

@@ -7,19 +7,6 @@ from setuptools import setup, find_packages
 #import subprocess
 sys.path.insert(0, '.')
 
-#build on the fly if install in pip
-#otherwise, use build.sh in the parent directory
-
-#ugly solution since pip version transition and the old pip detection method not
-#working. Manually turn on when packing up for pip installation
-if False:
-    if not os.name == 'nt': #if not windows
-        os.system('sh ./xgboost/build-python.sh')
-    else:
-        print('Windows users please use github installation.')
-        sys.exit()
-
-
 CURRENT_DIR = os.path.dirname(__file__)
 
 # We can not import `xgboost.libpath` in setup.py directly since xgboost/__init__.py
@@ -31,10 +18,8 @@ exec(compile(open(libpath_py, "rb").read(), libpath_py, 'exec'), libpath, libpat
 
 LIB_PATH = libpath['find_lib_path']()
 
-#to deploy to pip, please use
-#make pythonpack
-#python setup.py register sdist upload
-#and be sure to test it firstly using "python setup.py register sdist upload -r pypitest"
+#Please use setup_pip.py for generating and deploying pip installation
+#detailed instruction in setup_pip.py
 setup(name='xgboost',
       version=open(os.path.join(CURRENT_DIR, 'xgboost/VERSION')).read().strip(),
       #version='0.4a23',
@@ -47,14 +32,8 @@ setup(name='xgboost',
       maintainer_email='phunter.lau@gmail.com',
       zip_safe=False,
       packages=find_packages(),
-      #don't need this and don't use this, give everything to MANIFEST.in
-      #package_dir = {'':'xgboost'},
-      #package_data = {'': ['*.txt','*.md','*.sh'],
-      #               }
       #this will use MANIFEST.in during install where we specify additional files,
       #this is the golden line
       include_package_data=True,
-      #!!! don't use data_files, otherwise install_data process will copy it to
-      #root directory for some machines, and cause confusions on building
       data_files=[('xgboost', LIB_PATH)],
       url='https://github.com/dmlc/xgboost')