feat: 新增技能扩展N7一章相关示例源码

code/newsletter/N7/quickstart.ipynb

@@ -0,0 +1,397 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import jinja2"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# variables"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "your variable value: 100gle\n",
+      "\n",
+      "inner set variable value: author\n"
+     ]
+    }
+   ],
+   "source": [
+    "tpl = \"\"\"\\\n",
+    "your variable value: {{ name }}\n",
+    "{% set badge=\"author\" %}\n",
+    "inner set variable value: {{ badge }}\n",
+    "\"\"\"\n",
+    "\n",
+    "template = jinja2.Template(tpl)\n",
+    "s = template.render(name=\"100gle\")\n",
+    "print(s)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# comment"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 50,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'Hello, world\\n'"
+      ]
+     },
+     "execution_count": 50,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "tpl = \"\"\"\\\n",
+    "Hello, world\n",
+    "{# this line wouldn't be rendered. #}\n",
+    "\"\"\"\n",
+    "\n",
+    "template = jinja2.Template(tpl)\n",
+    "template.render()\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# for loop"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "    * Reading\n",
+      "    * Home Work\n",
+      "    * Exercise\n",
+      "\n"
+     ]
+    }
+   ],
+   "source": [
+    "tpl = \"\"\"\\\n",
+    "{# use for-loop in jinja2 #}\n",
+    "{% for todo in todolist  %}\n",
+    "    * {{ todo }}\n",
+    "{% endfor %}\n",
+    "\"\"\"\n",
+    "\n",
+    "todolist = [\"Reading\", \"Home Work\", \"Exercise\"]\n",
+    "template = jinja2.Template(tpl, trim_blocks=True)\n",
+    "s = template.render(todolist=todolist)\n",
+    "print(s)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 11,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "        name: Reading\n",
+      "        priority: 2\n",
+      "        name: Home Work\n",
+      "        priority: 0\n",
+      "        name: Exercise\n",
+      "        priority: 1\n",
+      "\n"
+     ]
+    }
+   ],
+   "source": [
+    "tpl = \"\"\"\\\n",
+    "{# use for-loop in jinja2 #}\n",
+    "{% for todo in todolist  %}\n",
+    "    {% for key, value in todo.items()  %}\n",
+    "        {{ key }}: {{ value }}\n",
+    "    {% endfor %}\n",
+    "{% endfor %}\n",
+    "\"\"\"\n",
+    "\n",
+    "todolist = [\n",
+    "    dict(name=\"Reading\", priority=2),\n",
+    "    dict(name=\"Home Work\", priority=0),\n",
+    "    dict(name=\"Exercise\", priority=1),\n",
+    "]\n",
+    "template = jinja2.Template(tpl, trim_blocks=True, lstrip_blocks=True)\n",
+    "s = template.render(todolist=todolist)\n",
+    "print(s)\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# if-else"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 52,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "        Reading**\n",
+      "        Home Work\n",
+      "        Exercise*\n",
+      "\n"
+     ]
+    }
+   ],
+   "source": [
+    "tpl = \"\"\"\\\n",
+    "{% for todo in todolist %}\n",
+    "    {% if todo.priority == 2 %}\n",
+    "        {{ todo.name }}**\n",
+    "    {% elif todo.priority == 1 %}\n",
+    "        {{ todo.name }}*\n",
+    "    {% else %}\n",
+    "        {{ todo.name }}\n",
+    "    {% endif %}\n",
+    "{% endfor %}\n",
+    "\"\"\"\n",
+    "\n",
+    "todolist = [\n",
+    "    dict(name=\"Reading\", priority=2),\n",
+    "    dict(name=\"Home Work\", priority=0),\n",
+    "    dict(name=\"Exercise\", priority=1),\n",
+    "]\n",
+    "\n",
+    "template = jinja2.Template(tpl, lstrip_blocks=True, trim_blocks=True)\n",
+    "s = template.render(todolist=todolist)\n",
+    "print(s)\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# macros"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 17,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "        Reading**\n",
+      "        Home Work\n",
+      "        Exercise*\n",
+      "\n"
+     ]
+    }
+   ],
+   "source": [
+    "tpl = \"\"\"\\\n",
+    "{% macro show_todo(name, priority) -%}\n",
+    "    {% set marker=\"\" %}\n",
+    "    {% if priority == 2 %}\n",
+    "        {% set marker = \"**\" %}\n",
+    "    {% elif priority == 1 %}\n",
+    "        {% set marker = \"*\" %}\n",
+    "    {% endif %}\n",
+    "    {{ name }}{{ marker }}\n",
+    "{%- endmacro %}\n",
+    "\n",
+    "{% for todo in todolist %}\n",
+    "    {{ show_todo(todo.name, todo.priority) }}\n",
+    "{% endfor %}\n",
+    "\"\"\"\n",
+    "\n",
+    "todolist = [\n",
+    "    dict(name=\"Reading\", priority=2),\n",
+    "    dict(name=\"Home Work\", priority=0),\n",
+    "    dict(name=\"Exercise\", priority=1),\n",
+    "]\n",
+    "\n",
+    "template = jinja2.Template(tpl, trim_blocks=True, lstrip_blocks=True)\n",
+    "s = template.render(todolist=todolist)\n",
+    "print(s)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# filter"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 15,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "    - before: $10.99, after: 10.99\n",
+      "    - before: €0.99, after: 0.99\n",
+      "    - before: ¥100, after: 100\n",
+      "\n"
+     ]
+    }
+   ],
+   "source": [
+    "def remove_currerncy(val: str):\n",
+    "    currencies = set(\"$€¥\")\n",
+    "    if val[0] in currencies:\n",
+    "        return val[1:]\n",
+    "    return val\n",
+    "\n",
+    "tpl = \"\"\"\\\n",
+    "{% for value in money %}\n",
+    "    - before: {{ value }}, after: {{ value|remove_currency}}\n",
+    "{% endfor %}\n",
+    "\"\"\"\n",
+    "\n",
+    "money = [\"$10.99\", \"€0.99\", \"¥100\"]\n",
+    "\n",
+    "\n",
+    "env = jinja2.Environment(trim_blocks=True)\n",
+    "env.filters[\"remove_currency\"] = remove_currerncy\n",
+    "\n",
+    "template = env.from_string(tpl)\n",
+    "s = template.render(money=money)\n",
+    "print(s)\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# inheritance"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "# bug: TemplateNotFound error should be fixed.\n",
+      "\n",
+      "Your environment:\n",
+      "\n",
+      "            - python version: 3.9\n",
+      "            - jinja2: 3.2.x\n",
+      "    \n",
+      "---\n",
+      "\n",
+      "Bug detail:\n",
+      "\n",
+      "More description here:\n",
+      "\n",
+      "    ```python\n",
+      "    ...\n",
+      "    ```\n",
+      "\n"
+     ]
+    }
+   ],
+   "source": [
+    "env = jinja2.Environment(\n",
+    "    trim_blocks=True,\n",
+    "    loader=jinja2.FileSystemLoader(\"./templates/inheritance/\"),\n",
+    ")\n",
+    "\n",
+    "template = env.get_template(\"bug_report.md\")\n",
+    "s = template.render(\n",
+    "    title=\"bug: TemplateNotFound error should be fixed.\",\n",
+    "    setup=[\n",
+    "        dict(name=\"python version\", detail=3.9),\n",
+    "        dict(name=\"jinja2\", detail=\"3.2.x\"),\n",
+    "    ],\n",
+    "    description=\"\"\"\\\n",
+    "More description here:\n",
+    "\n",
+    "    ```python\n",
+    "    ...\n",
+    "    ```\n",
+    "    \"\"\".strip()\n",
+    ")\n",
+    "print(s)"
+   ]
+  },
+  {
+   "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
+}