os_stat.ipynb | searchcode

/notebook/os_stat.ipynb

https://github.com/nkmk/python-snippets · Jupyter · 589 lines · 589 code · 0 blank · 0 comment · 0 complexity · eaddcfdfdcdc72f87d30fcdbd176b556 MD5 · raw file

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "import pathlib\n",
    "import datetime\n",
    "import time\n",
    "import platform"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "p = pathlib.Path('data/temp/test.txt')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "6"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "p.write_text('test')\n",
    "\n",
    "time.sleep(10)\n",
    "\n",
    "p.write_text('update')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "os.stat_result(st_mode=33188, st_ino=8728494137, st_dev=16777220, st_nlink=1, st_uid=501, st_gid=20, st_size=6, st_atime=1549094615, st_mtime=1549094615, st_ctime=1549094615)\n"
     ]
    }
   ],
   "source": [
    "print(p.stat())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'os.stat_result'>\n"
     ]
    }
   ],
   "source": [
    "print(type(p.stat()))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "os.stat_result(st_mode=33188, st_ino=8728494137, st_dev=16777220, st_nlink=1, st_uid=501, st_gid=20, st_size=6, st_atime=1549094615, st_mtime=1549094615, st_ctime=1549094615)\n"
     ]
    }
   ],
   "source": [
    "print(os.stat('data/temp/test.txt'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'os.stat_result'>\n"
     ]
    }
   ],
   "source": [
    "print(type(os.stat('data/temp/test.txt')))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "os.stat_result(st_mode=33188, st_ino=8728494137, st_dev=16777220, st_nlink=1, st_uid=501, st_gid=20, st_size=6, st_atime=1549094615, st_mtime=1549094615, st_ctime=1549094615)\n"
     ]
    }
   ],
   "source": [
    "print(os.stat(p))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'os.stat_result'>\n"
     ]
    }
   ],
   "source": [
    "print(type(os.stat(p)))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "True\n"
     ]
    }
   ],
   "source": [
    "print(p.stat() == os.stat('data/temp/test.txt') == os.stat(p))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [],
   "source": [
    "st = p.stat()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1549094615.972488\n"
     ]
    }
   ],
   "source": [
    "print(st.st_atime)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1549094615.9723485\n"
     ]
    }
   ],
   "source": [
    "print(st.st_mtime)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1549094615.9723485\n"
     ]
    }
   ],
   "source": [
    "print(st.st_ctime)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1549094605.9650702\n"
     ]
    }
   ],
   "source": [
    "print(st.st_birthtime)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'float'>\n"
     ]
    }
   ],
   "source": [
    "print(type(st.st_ctime))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1549094615972348510\n"
     ]
    }
   ],
   "source": [
    "print(st.st_ctime_ns)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'int'>\n"
     ]
    }
   ],
   "source": [
    "print(type(st.st_ctime_ns))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1549094615.972488\n"
     ]
    }
   ],
   "source": [
    "print(os.path.getatime('data/temp/test.txt'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1549094615.9723485\n"
     ]
    }
   ],
   "source": [
    "print(os.path.getmtime('data/temp/test.txt'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1549094615.9723485\n"
     ]
    }
   ],
   "source": [
    "print(os.path.getctime('data/temp/test.txt'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1549094615.9723485\n"
     ]
    }
   ],
   "source": [
    "print(os.path.getctime(p))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "True\n"
     ]
    }
   ],
   "source": [
    "print(os.path.getctime(p) == p.stat().st_ctime)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [],
   "source": [
    "dt = datetime.datetime.fromtimestamp(p.stat().st_ctime)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2019-02-02 17:03:35.972348\n"
     ]
    }
   ],
   "source": [
    "print(dt)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'datetime.datetime'>\n"
     ]
    }
   ],
   "source": [
    "print(type(dt))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2019年02月02日 17:03:35\n"
     ]
    }
   ],
   "source": [
    "print(dt.strftime('%Y年%m月%d日 %H:%M:%S'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2019-02-02T17:03:35.972348\n"
     ]
    }
   ],
   "source": [
    "print(dt.isoformat())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1549094615.9723485\n"
     ]
    }
   ],
   "source": [
    "print(os.path.getmtime('data/temp/test.txt'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1549094615.9723485\n"
     ]
    }
   ],
   "source": [
    "print(p.stat().st_mtime)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2019-02-02 17:03:35.972348\n"
     ]
    }
   ],
   "source": [
    "print(datetime.datetime.fromtimestamp(p.stat().st_mtime))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [],
   "source": [
    "def creation_date(path_to_file):\n",
    "    \"\"\"\n",
    "    Try to get the date that a file was created, falling back to when it was\n",
    "    last modified if that isn't possible.\n",
    "    See http://stackoverflow.com/a/39501288/1709587 for explanation.\n",
    "    \"\"\"\n",
    "    if platform.system() == 'Windows':\n",
    "        return os.path.getctime(path_to_file)\n",
    "    else:\n",
    "        stat = os.stat(path_to_file)\n",
    "        try:\n",
    "            return stat.st_birthtime\n",
    "        except AttributeError:\n",
    "            # We're probably on Linux. No easy way to get creation dates here,\n",
    "            # so we'll settle for when its content was last modified.\n",
    "            return stat.st_mtime"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1549094605.9650702\n"
     ]
    }
   ],
   "source": [
    "print(creation_date(p))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2019-02-02 17:03:25.965070\n"
     ]
    }
   ],
   "source": [
    "print(datetime.datetime.fromtimestamp(creation_date(p)))"
   ]
  }
 ],
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   "display_name": "Python 3",
   "language": "python",
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  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
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