excel_interop_vsto.ipynb

{
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  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Requirement already satisfied (use --upgrade to upgrade): pythonnet in c:\\python\\python27_32b\\lib\\site-packages\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "You are using pip version 8.1.1, however version 8.1.2 is available.\n",
      "You should consider upgrading via the 'python -m pip install --upgrade pip' command.\n"
     ]
    }
   ],
   "source": [
    "!pip install pythonnet"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "import clr\n",
    "import sys\n",
    "clr.AddReference(\"Microsoft.Office.Interop.Excel\")\n",
    "import Microsoft.Office.Interop.Excel as Excel"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Excel: <class 'Microsoft.Office.Interop.Excel.ApplicationClass'>\n",
      "Workbooks: <class 'System.__ComObject'>\n"
     ]
    }
   ],
   "source": [
    "excel = Excel.ApplicationClass()\n",
    "excel.Visible = True            # makes the Excel application visible to the user - will use this as True for debug\n",
    "excel.DisplayAlerts = False     # turns off Excel alerts since I don't have a handler\n",
    "\n",
    "print (\"Excel: \" + str(type(excel)))\n",
    "print (\"Workbooks: \" + str(type(excel.Workbooks)))\n",
    "#print (\"Workbooks count: \" + str(excel.Workbooks.Count))\n",
    "#wb = excel.Workbooks.Open(r'C:\\Projects\\Experiments\\Python\\ExcelInterop\\Test.xlsx')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "clr.AddReference(\"System.Reflection\")\n",
    "from System.Reflection import BindingFlags\n",
    "\n",
    "excel.Workbooks.GetType().InvokeMember(\"Count\",\n",
    "                                       BindingFlags.GetProperty | BindingFlags.InvokeMethod , \n",
    "                                       None, excel.Workbooks, None)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "System.Object InvokeMember(System.String, System.Reflection.BindingFlags, System.Reflection.Binder, System.Object, System.Object[])\n",
       "System.Object InvokeMember(System.String, System.Reflection.BindingFlags, System.Reflection.Binder, System.Object, System.Object[], System.Globalization.CultureInfo)\n",
       "System.Object InvokeMember(System.String, System.Reflection.BindingFlags, System.Reflection.Binder, System.Object, System.Object[], System.Reflection.ParameterModifier[], System.Globalization.CultureInfo, System.String[])"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "excel.Workbooks.GetType().InvokeMember.__overloads__"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<System.__ComObject at 0x7db1810>"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "excel.Workbooks.GetType().InvokeMember(\"Add\",BindingFlags.InvokeMethod, None, excel.Workbooks, None)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "isinstance(excel.Workbooks, clr.System.__ComObject)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "class comobj(object):\n",
    "    def __init__(self, obj):\n",
    "        #AttributeError: _comobj__ComObject???\n",
    "        #if not isinstance(obj, clr.System.__ComObject):\n",
    "        #    raise TypeError('Type not System.__ComObject for obj {}'.format(type(obj)))\n",
    "        self.obj = obj\n",
    "        self.typ = obj.GetType()\n",
    "    def __getattr__(self, name):       \n",
    "        def newm(*argsv):\n",
    "            if not argsv:\n",
    "               argsv=(None,)\n",
    "            return self.typ.InvokeMember(name,BindingFlags.InvokeMethod | BindingFlags.GetProperty, None, self.obj, *argsv)\n",
    "        return newm"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "co1=comobj(excel.Workbooks)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<System.__ComObject at 0x31885b0>"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "co1.obj"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<System.__ComObject at 0x7db1730>"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "co1.Add()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "co1.Count()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "from System import Array\n",
    "import System"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "arrobj=Array[System.Object]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "arr1=arrobj.CreateInstance(System.Object,1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "arr1[0]=r\"C:\\booktest.xlsx\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[u'C:\\\\booktest.xlsx']"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "list(arr1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<System.__ComObject at 0x7e81610>"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "co1.Open(arr1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "co1.Close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
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