Fix the Status output and tidy up Chain notebooks

Author: umernalla

2.Content/2.2-Pricing/2.2.02-Pricing-StreamingCache.ipynb

@@ -68,7 +68,7 @@
     {
      "data": {
       "text/plain": [
-       "<refinitiv.data._data.core.session._platform_session.PlatformSession at 0x2442e0461c0>"
+       "<refinitiv.data._data.core.session._platform_session.PlatformSession at 0x25afe81da30>"
       ]
      },
      "execution_count": 2,
@@ -414,13 +414,74 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 3,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>Instrument</th>\n",
+       "      <th>BID</th>\n",
+       "      <th>ASK</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>EUR=</td>\n",
+       "      <td>1.1939</td>\n",
+       "      <td>1.1943</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>GBP=</td>\n",
+       "      <td>1.3908</td>\n",
+       "      <td>1.3912</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>BADRIC</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "  Instrument     BID     ASK\n",
+       "0       EUR=  1.1939  1.1943\n",
+       "1       GBP=  1.3908  1.3912\n",
+       "2     BADRIC    <NA>    <NA>"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "# Define our Streaming Price object\n",
     "mixed = rd.content.pricing.Definition(\n",
-    "    ['EUR=', 'GBP=', 'DUMMY'],\n",
+    "    ['EUR=', 'GBP=', 'BADRIC'],\n",
     "    fields=['BID', 'ASK']\n",
     ").get_stream()\n",
     "# Open the Stream - Once opened, the library starts caching the updates\n",
@@ -437,22 +498,36 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "{'status': <StreamState.Closed: 1>,\n",
+       " 'code': 'NotFound',\n",
+       " 'message': '**The record could not be found'}"
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "mixed['DUMMY'].state"
+    "mixed['BADRIC'].status"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "For an invalid instrument you should see:   \n",
+    "As you will note, for an invalid instrument we get:   \n",
     "{'status': <StreamState.Closed: 1>, **'code': 'NotFound'**, 'message': '** The Record could not be found'}   \n",
+    "\n",
     "However, if you are not licensed for the instrument you would see something like:  \n",
     "{'status': <StreamState.Closed: 1>, **'code': 'NotEntitled'**, 'message': 'A21: DACS User Profile denied access to vendor'}   \n",
-    "**NOTE**: Do not rely on the message text to remain unchanged, use the **code** value for any programmatic decision making."
+    "**NOTE**: The exact wording of **message** can change over time - therefore,only use the **code** value for any programmatic decision making."
    ]
   },
   {
@@ -464,7 +539,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 6,
    "metadata": {
     "pycharm": {
      "name": "#%%\n"

2.Content/2.2-Pricing/2.2.04-Pricing-Chain.ipynb

@@ -100,20 +100,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "<StreamState.Closed: 1>"
-      ]
-     },
-     "execution_count": 4,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "ftse.open()"
    ]
@@ -487,7 +476,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Once closed is called the Chain stops updating its internal cache of Constituents . The get_constituents function can still be called but it will always return the same values. "
+    "Once close is called the Chain stops updating its internal cache of Constituents. The get_constituents function can still be called but it will always return the state of the chaing before the close was called. "
    ]
   },
   {
@@ -515,7 +504,8 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "If you are not planning to use the Chain over an extended period of time and just want to snap the current Constituents, you can open it without updates."
+    "#### Snap the Chain constituents\n",
+    "If you are not planning to use the Chain over an extended period of time and/or just want to snap the current Constituents, you can open it without updates."
    ]
   },
   {
@@ -542,7 +532,8 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "The Library will request the Chain and then close the stream once it has received a response from the server."
+    "The Library will request the Chain and then close the stream once it has received a response from the server.   \n",
+    "You can then use the get_constituents function to access the consituent list as they were at the time of open() call."
    ]
   },
   {
@@ -560,13 +551,6 @@
    "source": [
     "close_session()"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {