Files
sspai-100-hours-series-python/code/newsletter/N7/quickstart.ipynb

398 lines
8.4 KiB
Plaintext

{
"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
}