CoCalc -- test_pyroot.ipynb

Try PyROOT in Jupyer in CoCalc

Project: ROOT

Views: ³³⁰

Kernel: Python 2 (Ubuntu Linux)

In [1]:

import ROOT

In [2]:

ROOT.__file__

'/usr/lib/python2.7/dist-packages/ROOT.pyc'

In [3]:

import pyroot

ImportErrorTraceback (most recent call last)
<ipython-input-3-bcb5f33d6f78> in <module>()
----> 1 import pyroot

/usr/lib/python2.7/dist-packages/ROOT.pyc in _importhook(name, *args, **kwds)
    350       except Exception:
    351          pass
--> 352    return _orig_ihook( name, *args, **kwds )
    353 
    354 __builtin__.__import__ = _importhook
ImportError: No module named pyroot

In [4]:

import os
import sys

In [5]:

b = sys.path

In [6]:

['',
 '/usr/lib/python2.7',
 '/usr/lib/python2.7/plat-x86_64-linux-gnu',
 '/usr/lib/python2.7/lib-tk',
 '/usr/lib/python2.7/lib-old',
 '/usr/lib/python2.7/lib-dynload',
 '/usr/local/lib/python2.7/dist-packages',
 '/usr/lib/python2.7/dist-packages',
 '/usr/lib/python2.7/dist-packages/PILcompat',
 '/cocalc/lib/python2.7/site-packages',
 '/usr/lib/python2.7/dist-packages/libsbml',
 '/usr/lib/python2.7/dist-packages/gtk-2.0',
 '/usr/lib/python2.7/dist-packages/wx-3.0-gtk2',
 '/usr/local/lib/python2.7/dist-packages/IPython/extensions',
 '/home/user/.ipython']

In [7]:

pwd

u'/home/user'

In [8]:

sys.path = ['/projects/d552e619-3c8e-4722-bda1-8f6a75f78443/Programs/myroot/lib'] + b

In [9]:

sys.path

['/projects/d552e619-3c8e-4722-bda1-8f6a75f78443/Programs/myroot/lib',
 '',
 '/usr/lib/python2.7',
 '/usr/lib/python2.7/plat-x86_64-linux-gnu',
 '/usr/lib/python2.7/lib-tk',
 '/usr/lib/python2.7/lib-old',
 '/usr/lib/python2.7/lib-dynload',
 '/usr/local/lib/python2.7/dist-packages',
 '/usr/lib/python2.7/dist-packages',
 '/usr/lib/python2.7/dist-packages/PILcompat',
 '/cocalc/lib/python2.7/site-packages',
 '/usr/lib/python2.7/dist-packages/libsbml',
 '/usr/lib/python2.7/dist-packages/gtk-2.0',
 '/usr/lib/python2.7/dist-packages/wx-3.0-gtk2',
 '/usr/local/lib/python2.7/dist-packages/IPython/extensions',
 '/home/user/.ipython']

In [10]:

import ROOT

In [11]:

ROOT.__file__

'/usr/lib/python2.7/dist-packages/ROOT.pyc'

In [12]:

h = ROOT.TH1F("gauss","Example histogram",100,-4,4)

In [13]:

h.FillRandom("gaus")

In [14]:

c = ROOT.TCanvas("myCanvasName","The Canvas Title",800,600)

In [15]:

h.Draw()

In [16]:

c.Draw()

In [17]:

ROOT.enableJSVis()
c.Draw()
#ROOT.disableJSVis()

AttributeErrorTraceback (most recent call last)
<ipython-input-17-b10217d8d1b9> in <module>()
----> 1 ROOT.enableJSVis()
      2 c.Draw()
      3 #ROOT.disableJSVis()
/usr/lib/python2.7/dist-packages/ROOT.pyc in __getattr2(self, name)
    484 
    485     # lookup into ROOT (which may cause python-side enum/class/global creation)
--> 486       attr = _root.LookupRootEntity( name )
    487 
    488     # the call above will raise AttributeError as necessary; so if we get here,
AttributeError: enableJSVis

In [0]: