continuation_explicit_join.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import inspect"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 90,
   "metadata": {},
   "outputs": [],
   "source": [
    "# this\n",
    "# is\n",
    "# source\n",
    "def check_frame(i):\n",
    "    frame,filename,\\\n",
    "            line_number,function_name,lines,index = inspect.stack()[i]\n",
    "    print(filename, line_number, lines, index)\n",
    "    print(\"FULL SOURCE:\", get_frame_source_w_explicit_continuation(line_number, frame))\n",
    "    return frame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 91,
   "metadata": {},
   "outputs": [],
   "source": [
    "def get_frame_source_w_explicit_continuation(line_number, frame):\n",
    "    \"Return reconstructed lines with explicit continuation. \\\n",
    "    line_number - lineno of the frame, frame - frame\"\n",
    "    fs_lines, offset = inspect.getsourcelines(frame)\n",
    "    real_line_number = line_number\n",
    "    rel_line_number = line_number - offset\n",
    "    # print(\"My actual line is\", fs_lines[rel_line_number])\n",
    "    full_line = fs_lines[rel_line_number].strip()\n",
    "    next_line_no = rel_line_number\n",
    "    while full_line.endswith(\"\\\\\"):\n",
    "        next_line_no += 1\n",
    "        full_line = full_line[:-1] + fs_lines[next_line_no].strip()\n",
    "    # print(\"Reconstrucred line DOWN\", full_line)\n",
    "    if rel_line_number > 0:\n",
    "        next_line_no = rel_line_number - 1\n",
    "        prev_line = fs_lines[next_line_no].strip()\n",
    "        while prev_line.endswith(\"\\\\\"):\n",
    "            real_line_number -= 1\n",
    "            full_line = prev_line[:-1] + full_line\n",
    "            if next_line_no > 0: \n",
    "                next_line_no -= 1\n",
    "                prev_line = fs_lines[next_line_no].strip()\n",
    "            else: \n",
    "                break\n",
    "    # print(\"Reconstructed FULL line\", full_line)\n",
    "    return full_line, real_line_number"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 92,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<ipython-input-90-c5d8eb1b1d0e> 6 ['            line_number,function_name,lines,index = inspect.stack()[i]\\n'] 0\n",
      "FULL SOURCE: ('frame,filename,line_number,function_name,lines,index = inspect.stack()[i]', 5)\n"
     ]
    }
   ],
   "source": [
    "f=check_frame(0)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'check_frame'"
      ]
     },
     "execution_count": 37,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "f.f_code.co_name"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(['def check_frame(i):\\n',\n",
       "  '    frame,filename,\\\\\\n',\n",
       "  '            line_number,function_name,lines,index = \\\\\\n',\n",
       "  '            inspect.\\\\\\n',\n",
       "  '                    stack()[i]\\n',\n",
       "  '    print(filename, line_number, lines, index)\\n',\n",
       "  '    return frame\\n'],\n",
       " 4)"
      ]
     },
     "execution_count": 38,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "inspect.getsourcelines(f)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 55,
   "metadata": {},
   "outputs": [],
   "source": [
    "s=inspect.getsource(f)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 59,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<_ast.Module at 0x7fa9ea8bd050>"
      ]
     },
     "execution_count": 59,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import ast\n",
    "ast.parse(s)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.7.5rc1"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 4
}

continuation_tests.ipynb