feat: 新增技能扩展 N3 一章相关示例源码

code/newsletter/N3/pathlib.ipynb

@@ -0,0 +1,169 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import pathlib\n",
+    "path = pathlib.Path(\"~/Desktop/faker.py\").expanduser()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "PosixPath('/Users/Bobot/Desktop')"
+      ]
+     },
+     "execution_count": 2,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "path.parent"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'.py'"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "path.suffix"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'faker.py'"
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "path.name"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# os version\n",
+    "\n",
+    "# import os\n",
+    "\n",
+    "# ROOT = os.path.expanduser(\"~/Desktop/test\")\n",
+    "# file = os.path.join(str(ROOT), \"prime.txt\")\n",
+    "\n",
+    "# if not os.path.exists(file):\n",
+    "#     os.mkdir(ROOT)\n",
+    "#     with open(file, mode=\"w+\", encoding=\"utf-8\") as f:\n",
+    "#         f.write(\"Hello, World!\")\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import pathlib\n",
+    "\n",
+    "file = pathlib.Path(\"~/Desktop/test\").expanduser().joinpath(\"prime.txt\")\n",
+    "if not file.exists():\n",
+    "    file.parent.mkdir(parents=True, exist_ok=True)\n",
+    "    file.write_text(\"Hello, World!\", encoding=\"utf-8\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "PosixPath('/Users/Bobot/Desktop/test/echo.md')"
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "file = (\n",
+    "    pathlib.Path(\"~/Desktop/test\")\n",
+    "    .expanduser()\n",
+    "    .joinpath(\"prime.txt\")\n",
+    "    .with_stem(\"echo\")\n",
+    "    .with_suffix(\".md\")\n",
+    ")\n",
+    "\n",
+    "file\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3.9.0 ('pandas-startup')",
+   "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": "3.9.0"
+  },
+  "orig_nbformat": 4,
+  "vscode": {
+   "interpreter": {
+    "hash": "13977d4cc82dee5f9d9535ceb495bd0ab12a43c33c664e5f0d53c24cf634b67f"
+   }
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}