Installating R on winpython

In [4]:

    

import os
import sys
import io


    

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os.environ["tmp_Rdirectory"]= "R" 
os.environ["R_HOME"] = os.environ["WINPYDIR"]+ "\\..\\tools\\R\\" 
os.environ["R_HOMEbin"]=os.environ["R_HOME"] + "bin" 
# for installation we need this
os.environ["tmp_Rbase"]=os.path.join(os.path.split(os.environ["WINPYDIR"])[0]  , 'tools','R' )


    

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# downloading R-3.1.2 (55Mo, may take 2/3 minutes)
try:
    import urllib.request as urllib2  # Python 3
except:
    import urllib2  # Python 2
if 'amd64' in sys.version.lower():
    r_comp ='/COMPONENTS="main,x64,translations'
    r_binary="R-3.1.2-win.exe"
    r_url="http://cran.r-project.org/bin/windows/base/R-3.1.2-win.exe"
    hashes=("9e3c0cd6311355e0d5f8e1085b288361", "954499b243aef3856ca66132311dfd5e70d9f7e4" )
else:
    r_comp ='/COMPONENTS="main,i386,translations'
    r_binary="R-3.1.2-win.exe"
    r_url="http://cran.r-project.org/bin/windows/base/R-3.1.2-win.exe"
    hashes=("9e3c0cd6311355e0d5f8e1085b288361", "954499b243aef3856ca66132311dfd5e70d9f7e4" )
    
r_installer=os.environ["WINPYDIR"]+"\\..\\tools\\"+r_binary
os.environ["r_installer"]=r_installer
g = urllib2.urlopen(r_url) 
with io.open(r_installer, 'wb') as f:
    f.write(g.read())
g.close
g = None


    

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#checking it's there
!dir %r_installer%


    

    




 Le volume dans le lecteur D s'appelle DATA
 Le num‚ro de s‚rie du volume est 10BD-2ADB

 R‚pertoire de D:\result_tests\WinPython-64bit-3.3.5.4\tools

02/01/2015  14:16        56ÿ930ÿ149 R-3.1.2-win.exe
               1 fichier(s)       56ÿ930ÿ149 octets
               0 R‚p(s)  187ÿ075ÿ727ÿ360 octets libres

In [9]:

    

# checking it's the official R-3.1.2 
import hashlib
def give_hash(of_file, with_this):
    with io.open(r_installer, 'rb') as f:
        return with_this(f.read()).hexdigest()  
print (" "*12+"MD5"+" "*(32-12-3)+" "+" "*15+"SHA-1"+" "*(40-15-5)+"\n"+"-"*32+" "+"-"*40)

print ("%s %s %s" % (give_hash(r_installer, hashlib.md5) , give_hash(r_installer, hashlib.sha1),r_installer))
assert give_hash(r_installer, hashlib.md5) == hashes[0]
assert give_hash(r_installer, hashlib.sha1) == hashes[1]


    

    




            MD5                                 SHA-1                    
-------------------------------- ----------------------------------------
9e3c0cd6311355e0d5f8e1085b288361 954499b243aef3856ca66132311dfd5e70d9f7e4 D:\result_tests\WinPython-64bit-3.3.5.4\python-3.3.5.amd64\..\tools\R-3.1.2-win.exe

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# let's install it 
# If you are "USB life style", or multi-winpython
#   ==> CLICK the OPTION "Don't create a StartMenuFolder' <== (when it will show up)
os.environ["tmp_R_comp"]=r_comp
!start cmd /C %r_installer% /DIR=%tmp_Rbase% %tmp_R_comp%


    

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# let's create a Ipython with "%load_ext rmagic" launcher  
bat_text = r"""
@echo off
call %~dp0env.bat
set R_HOME=%WINPYDIR%\..\tools\R\
set R_HOMEbin=%WINPYDIR%\..\tools\R\bin
set PATH=%PATH%;%R_HOMEbin%

Ipython notebook --matplotlib=inline
"""
ipython_with_R_launcher_bat=os.environ["WINPYDIR"]+"\\..\\scripts\\ipython_with_R_launcher.bat"
if sys.version_info[0] == 3:
    with io.open(ipython_with_R_launcher_bat, 'w', encoding = sys.getdefaultencoding() ) as f:
        for line in bat_text.splitlines():
            f.write('%s\n' %  line  )
else:
    with io.open(ipython_with_R_launcher_bat, 'wb'  ) as f:
        for line in bat_text.splitlines():
            f.write('%s\r\n' %  line.encode(sys.getdefaultencoding()) )


    

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# Nota : this not needed for winpython versions after 2014-12-29 !
!start cmd /C %WINPYDIR%\\..\\scripts\\ipython_with_R_launcher.bat


    

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