add caseinsensitivedicts

book/pythontricks/utility.ipynb

@@ -373,6 +373,45 @@
     "my_func()\n",
     "# UnsupportedWarning: my_func is unsupported as of 1.0. Use my_func2 instead"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Case Insensitive Dictionaries"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Are you annoyed by case-sensitive dictionaries in Python?\n",
+    "\n",
+    "Try 𝐂𝐚𝐬𝐞𝐈𝐧𝐬𝐞𝐧𝐬𝐢𝐭𝐢𝐯𝐞𝐃𝐢𝐜𝐭𝐬.\n",
+    "\n",
+    "As the name says, you can access values by the key without paying attention to lowercase or uppercase.\n",
+    "\n",
+    "It's useful for everyone who is scraping API data."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from requests.structures import CaseInsensitiveDict\n",
+    "\n",
+    "data: dict[str, str | int] = CaseInsensitiveDict(\n",
+    "    {\n",
+    "        \"accept\": \"application/json\",\n",
+    "        \"content-type\": \"application/json\",\n",
+    "        \"User-Agent\": \"Mozilla/5.0\",\n",
+    "    }\n",
+    ")\n",
+    "\n",
+    "print(data.get(\"Accept\"))"
+   ]
   }
  ],
  "metadata": {