arXiv_API.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np\n",
    "import matplotlib\n",
    "import matplotlib.pyplot as plt\n",
    "import urllib\n",
    "from datetime import datetime, timedelta\n",
    "\n",
    "matplotlib.rcParams['mathtext.fontset'] = 'cm' # computer modern\n",
    "matplotlib.rcParams['font.family'] = 'STIXGeneral'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Goal: find number of submitted papers as a function of time before the deadline (16:00 ET / UTC-4:00)\n",
    "# https://arxiv.org/help/api"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n",
      "<feed xmlns=\"http://www.w3.org/2005/Atom\">\n",
      "  <link href=\"http://arxiv.org/api/query?search_query%3Dall%3Aelectron%26id_list%3D%26start%3D0%26max_results%3D1\" rel=\"self\" type=\"application/atom+xml\"/>\n",
      "  <title type=\"html\">ArXiv Query: search_query=all:electron&amp;id_list=&amp;start=0&amp;max_results=1</title>\n",
      "  <id>http://arxiv.org/api/cHxbiOdZaP56ODnBPIenZhzg5f8</id>\n",
      "  <updated>2019-05-06T00:00:00-04:00</updated>\n",
      "  <opensearch:totalResults xmlns:opensearch=\"http://a9.com/-/spec/opensearch/1.1/\">144759</opensearch:totalResults>\n",
      "  <opensearch:startIndex xmlns:opensearch=\"http://a9.com/-/spec/opensearch/1.1/\">0</opensearch:startIndex>\n",
      "  <opensearch:itemsPerPage xmlns:opensearch=\"http://a9.com/-/spec/opensearch/1.1/\">1</opensearch:itemsPerPage>\n",
      "  <entry>\n",
      "    <id>http://arxiv.org/abs/cond-mat/0102536v1</id>\n",
      "    <updated>2001-02-28T20:12:09Z</updated>\n",
      "    <published>2001-02-28T20:12:09Z</published>\n",
      "    <title>Impact of Electron-Electron Cusp on Configuration Interaction Energies</title>\n",
      "    <summary>  The effect of the electron-electron cusp on the convergence of configuration\n",
      "interaction (CI) wave functions is examined. By analogy with the\n",
      "pseudopotential approach for electron-ion interactions, an effective\n",
      "electron-electron interaction is developed which closely reproduces the\n",
      "scattering of the Coulomb interaction but is smooth and finite at zero\n",
      "electron-electron separation. The exact many-electron wave function for this\n",
      "smooth effective interaction has no cusp at zero electron-electron separation.\n",
      "We perform CI and quantum Monte Carlo calculations for He and Be atoms, both\n",
      "with the Coulomb electron-electron interaction and with the smooth effective\n",
      "electron-electron interaction. We find that convergence of the CI expansion of\n",
      "the wave function for the smooth electron-electron interaction is not\n",
      "significantly improved compared with that for the divergent Coulomb interaction\n",
      "for energy differences on the order of 1 mHartree. This shows that, contrary to\n",
      "popular belief, description of the electron-electron cusp is not a limiting\n",
      "factor, to within chemical accuracy, for CI calculations.\n",
      "</summary>\n",
      "    <author>\n",
      "      <name>David Prendergast</name>\n",
      "      <arxiv:affiliation xmlns:arxiv=\"http://arxiv.org/schemas/atom\">Department of Physics</arxiv:affiliation>\n",
      "    </author>\n",
      "    <author>\n",
      "      <name>M. Nolan</name>\n",
      "      <arxiv:affiliation xmlns:arxiv=\"http://arxiv.org/schemas/atom\">NMRC, University College, Cork, Ireland</arxiv:affiliation>\n",
      "    </author>\n",
      "    <author>\n",
      "      <name>Claudia Filippi</name>\n",
      "      <arxiv:affiliation xmlns:arxiv=\"http://arxiv.org/schemas/atom\">Department of Physics</arxiv:affiliation>\n",
      "    </author>\n",
      "    <author>\n",
      "      <name>Stephen Fahy</name>\n",
      "      <arxiv:affiliation xmlns:arxiv=\"http://arxiv.org/schemas/atom\">Department of Physics</arxiv:affiliation>\n",
      "    </author>\n",
      "    <author>\n",
      "      <name>J. C. Greer</name>\n",
      "      <arxiv:affiliation xmlns:arxiv=\"http://arxiv.org/schemas/atom\">NMRC, University College, Cork, Ireland</arxiv:affiliation>\n",
      "    </author>\n",
      "    <arxiv:doi xmlns:arxiv=\"http://arxiv.org/schemas/atom\">10.1063/1.1383585</arxiv:doi>\n",
      "    <link title=\"doi\" href=\"http://dx.doi.org/10.1063/1.1383585\" rel=\"related\"/>\n",
      "    <arxiv:comment xmlns:arxiv=\"http://arxiv.org/schemas/atom\">11 pages, 6 figures, 3 tables, LaTeX209, submitted to The Journal of\n",
      "  Chemical Physics</arxiv:comment>\n",
      "    <arxiv:journal_ref xmlns:arxiv=\"http://arxiv.org/schemas/atom\">J. Chem. Phys. 115, 1626 (2001)</arxiv:journal_ref>\n",
      "    <link href=\"http://arxiv.org/abs/cond-mat/0102536v1\" rel=\"alternate\" type=\"text/html\"/>\n",
      "    <link title=\"pdf\" href=\"http://arxiv.org/pdf/cond-mat/0102536v1\" rel=\"related\" type=\"application/pdf\"/>\n",
      "    <arxiv:primary_category xmlns:arxiv=\"http://arxiv.org/schemas/atom\" term=\"cond-mat.str-el\" scheme=\"http://arxiv.org/schemas/atom\"/>\n",
      "    <category term=\"cond-mat.str-el\" scheme=\"http://arxiv.org/schemas/atom\"/>\n",
      "  </entry>\n",
      "</feed>\n",
      "\n"
     ]
    }
   ],
   "source": [
    "# Example\n",
    "\n",
    "url = 'http://export.arxiv.org/api/query?search_query=all:electron&start=0&max_results=1'\n",
    "data = urllib.urlopen(url).read()\n",
    "print data"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "scrolled": false
   },
   "outputs": [],
   "source": [
    "# All 2019 astro-ph papers\n",
    "# https://arxiv.org/search/astro-ph?query=2019&searchtype=all&abstracts=show&order=-announced_date_first&size=50\n",
    "\n",
    "\n",
    "# https://stackoverflow.com/questions/8405087/what-is-this-date-format-2011-08-12t201746-384z\n",
    "\n",
    "# \"yyyy-MM-dd'T'HH:mm:ss.SSS'Z'\" means UTC time\n",
    "\n",
    "num_results = 5000\n",
    "time_stamps = []\n",
    "\n",
    "url = 'http://export.arxiv.org/api/query?search_query=2019&\\\n",
    "all:astro-ph&start=0&max_results=%s&sortBy=submittedDate&sortOrder=ascending' % (num_results)\n",
    "\n",
    "data = urllib.urlopen(url).read()\n",
    "\n",
    "for line in data.splitlines(): # iterate through string with newlines \\n\n",
    "    \n",
    "    if '<published>' in line: # get submission time\n",
    "        \n",
    "        item = line.split('<published>')[1].split('</published>')[0]\n",
    "        item_clean = datetime.strptime(item,\"%Y-%m-%dT%H:%M:%SZ\")\n",
    "        \n",
    "        #print item_clean # Separate date and time\n",
    "        #print item_clean.time() # Print time\n",
    "        \n",
    "        # Deadline 22:00 UTC (16:00 ET)\n",
    "        item_delta = item_clean - datetime.strptime('22:00', '%H:%M')\n",
    "        \n",
    "        # Final array\n",
    "        time_stamps.append(str(item_delta).split(',',1)[1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "def get_sec(time_str):\n",
    "    h, m, s = time_str.split(':')\n",
    "    return int(h) * 3600 + int(m) * 60 + int(s)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [],
   "source": [
    "elapsed_time = []\n",
    "\n",
    "\n",
    "for item in time_stamps:\n",
    "    \n",
    "    # Normalize if greater than 12h\n",
    "    tel = get_sec(item) / 3600.\n",
    "    \n",
    "    if tel < 12:\n",
    "        \n",
    "        elapsed_time.append(tel) \n",
    "    \n",
    "    else:\n",
    "        \n",
    "        elapsed_time.append(tel - 12)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/png": 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\n",
      "text/plain": [
       "<Figure size 504x360 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "fig, ax = plt.subplots(figsize=(7,5))\n",
    "\n",
    "plt.hist(elapsed_time);\n",
    "\n",
    "plt.xlabel(r'$\\rm{\\Delta t \\, before \\, deadline \\, [h]}$', fontsize=15, labelpad=10);\n",
    "plt.ylabel(r'$\\rm{Counts}$', fontsize=15);\n",
    "\n",
    "for tick in ax.xaxis.get_major_ticks():\n",
    "    tick.label.set_fontsize(13) \n",
    "for tick in ax.yaxis.get_major_ticks():\n",
    "    tick.label.set_fontsize(13) \n",
    "\n",
    "ax.get_yaxis().set_tick_params(right = True, which='both', direction='in')\n",
    "ax.get_xaxis().set_tick_params(top = True, which='both', direction='in')\n",
    "\n",
    "ax.tick_params(which='both', width=1.25)\n",
    "ax.tick_params(which='major', length=7)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 2",
   "language": "python",
   "name": "python2"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 2
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython2",
   "version": "2.7.15"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}