Init simple script, Ready to use

Author: Telexine

.gitignore

@@ -127,3 +127,5 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+.DS_Store

Simple Batch Breakpoint generator python .ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Simple Batch Breakpoint generator python"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "This notebook script will easy generate responsive image for Frontend website, maintain aspect ratio, no stretch.\n",
+    "Normally I have to generate it via https://www.responsivebreakpoints.com/ which quite slow for file by file.\n",
+    "So I create some Vue component with fixed Breakpoint size  [200,763,1132,1400]  in other site production (not in this project) feel free to modify the code "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## what it do ?"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Specify the folder path that have all the image (right now is all .jpg) and breakpoint width and run script and done.\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Import Library"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 18,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import os, sys\n",
+    "from PIL import Image\n",
+    "import math \n",
+    "import glob "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Function"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def resize_maintain_aspect_by_width(PIL_Image,new_width):\n",
+    "    '''\n",
+    "    This function get image and resize by width (maintain aspect ratio) without strech\n",
+    "    '''\n",
+    "    width, height = PIL_Image.size\n",
+    "    # if new width is greater than original width, return the image\n",
+    "    if new_width > width:\n",
+    "        return PIL_Image\n",
+    "    \n",
+    "    new_height = math.floor(new_width * height / width )\n",
+    "    return PIL_Image.resize((new_width, new_height), Image.ANTIALIAS)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 26,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def savebreakpoint(filename,PIL_Image,breakpoint):\n",
+    "    '''\n",
+    "    This function save PIL image by add postfix from specify breakpoint\n",
+    "    '''\n",
+    "    path = filename.rsplit('.', 1)\n",
+    "    path[0] = path[0]+'_'+str(breakpoint)\n",
+    "    PIL_Image.save(r'.'.join(path))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Edit here"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 27,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# set breakpoints width\n",
+    "breakpoints = [200,763,1132,1400]\n",
+    "# set the folder path\n",
+    "files = glob.glob('./testbatch/**/*.jpg',recursive = True) "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Run"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 28,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "for file in files:\n",
+    "    im = Image.open(file) \n",
+    "    for breakpoint in breakpoints:\n",
+    "        tmp = resize_maintain_aspect_by_width(im,breakpoint)\n",
+    "        savebreakpoint(file,tmp,breakpoint) "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Output: Sample.jpg to Sample_200.jpg, Sample_763.jpg, Sample_1132.jpg, Sample_1400.jpg"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "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": "3.8.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}