outline_for_spreadsheet_ingester.json

{
 "metadata": {
  "name": "tmp"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "from contextlib import contextmanager\n",
      "import Queue\n",
      "\n",
      "import threading\n",
      "import collections\n",
      "\n",
      "class Cursor(object):\n",
      "    def __init__(self, worksheet):\n",
      "        self.worksheet = worksheet\n",
      "        self.col = 0\n",
      "        self.row = 0\n",
      "    \n",
      "\n",
      "def cursor_logger(cursor):\n",
      "    def f(msg):\n",
      "        print '{worksheet} Row#{row} Column#{col} {msg}'.format(msg=msg, col=cursor.col, row=cursor.row, worksheet=cursor.worksheet)\n",
      "    return f\n",
      "    \n",
      "def template_logger(template):\n",
      "    def f(msg):\n",
      "        print template.format(msg=msg)\n",
      "    return f\n",
      "\n",
      "def default_log(msg):\n",
      "    print msg\n",
      "    \n",
      "class ContextualLogger(object):\n",
      "    loggers = collections.defaultdict(list)\n",
      "    \n",
      "    @classmethod\n",
      "    @contextmanager\n",
      "    def log_mgr(cls, logger):\n",
      "        thread = threading.current_thread()\n",
      "        \n",
      "        cls.loggers[thread].append(logger)\n",
      "        yield logger\n",
      "        \n",
      "        try:\n",
      "            cls.loggers[thread].pop()\n",
      "        except IndexError:\n",
      "            del cls.loggers[thread]\n",
      "            \n",
      "        \n",
      "    @classmethod\n",
      "    def get_logger(cls):\n",
      "        thread = threading.current_thread()\n",
      "        loggers = cls.loggers[thread]\n",
      "        if loggers:\n",
      "            return loggers[-1]\n",
      "        else:\n",
      "            return default_log\n",
      "        return logger\n",
      "        \n",
      "def log(msg):\n",
      "    logger = ContextualLogger.get_logger()\n",
      "    logger(msg)\n",
      "\n",
      "#log('hello')\n",
      "cursor1 = Cursor('Workbook 1')\n",
      "cursor2 = Cursor('Workbook 2')\n",
      "log('hello Z')\n",
      "with ContextualLogger.log_mgr(cursor_logger(cursor1)):\n",
      "    log('hello cursor1')\n",
      "    cursor1.row += 1\n",
      "    log('hello cursor1')\n",
      "    with ContextualLogger.log_mgr(cursor_logger(cursor2)):\n",
      "        log('hello cursor2')\n",
      "    \n",
      "    log('hello cursor1')\n",
      "    log('hello cursor1')\n",
      "    \n",
      "log('hello D')"
     ],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}