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Pulsar Editor Advanced Editor Review

Pulsar Edit: A Powerful, Open-Source Text Editor for Modern Development

Excerpt: Discover Pulsar Edit, a modern and customizable open-source text editor based on Atom. Learn its features, benefits, and how it stands out in today’s development landscape.

What is Pulsar Edit?

Pulsar Edit is a free, open-source text editor designed for developers, writers, and anyone who works with code. It’s a community-driven continuation of Atom, the beloved editor originally developed by GitHub. After GitHub sunset Atom in 2022, the community stepped in to keep its spirit alive—resulting in Pulsar.

Pulsar retains everything developers loved about Atom: flexibility, theming, a robust plugin ecosystem, and deep customizability. But it also introduces modern updates, active maintenance, and community governance.

Key Features of Pulsar

1. Hackable to the Core

Pulsar continues Atom’s legacy of being highly customizable. Users can tweak everything from the UI to core functionality using JavaScript, HTML, and CSS.

2. Package Ecosystem

Thousands of packages are still compatible with Pulsar. Whether you need Git integration, markdown preview, syntax highlighting, or language-specific tools, Pulsar has you covered.

3. Cross-Platform

It runs smoothly on Windows, macOS, and Linux, making it a versatile option for developers across environments.

4. Community-Driven Development

Unlike Atom’s corporate-run development, Pulsar is managed by volunteers and contributors worldwide. This decentralized approach fosters transparency and innovation.

5. Modern Updates

Despite being based on Atom, Pulsar introduces fixes and performance improvements to meet current standards and address old issues.

Why Use Pulsar Edit in 2025?

In a world with many code editors—like VS Code, Sublime Text, and JetBrains IDEs—Pulsar fills a unique niche. It’s ideal for developers who:

Prefer lightweight editors over full IDEs
Want deep customization without a learning curve
Miss the simplicity and beauty of Atom
Appreciate open-source projects that prioritize community needs

It also serves as a nostalgic yet modern solution for long-time Atom users who want a smooth transition without starting from scratch.

How to Get Started

Download Pulsar: Visit the official website: https://pulsar-edit.dev
Install Packages: Use the built-in package manager to browse and install community plugins.
Customize Your Setup: Tweak the init.coffee, styles.less, or settings UI to shape the editor into your perfect coding environment.

📷 Screenshots

Here are some screenshots of Pulsar Edit in action:

Pulsar Edit Dragged Folder — Pulsar Edit Displaying Folder Draggged Into Project

Pulsar Edit HTML Code Suggest — Pulsar Edit Displaying HTML Code Completion

Pulsar Edit PHP Code Suggest — Pulsar Edit Displaying Python Code Completion

Pulsar Edit Python Code Suggest — Pulsar Edit Displaying Python Code Completion

Default interface: Clean and distraction-free
Settings panel: Easy to navigate with powerful customization options
Package manager: Install plugins with just a few clicks

🎬 Screencast Demo

Watch this brief walkthrough of Pulsar Edit’s features:

Pulsar Edit Review And Feature Test

🔍 Feature Test – Spring 2025

Here’s how Pulsar Edit stacks up against key editor features:

Feature	Pulsar Edit	Notes
Startup Time	★★★☆☆	Slower than some native apps, but acceptable
Syntax Highlighting	★★★★★	Supports most languages via built-in and user packages
Code Folding	★★★★☆	Folding works well but limited to some language scopes
Plugin Support	★★★★★	Extensive Atom-compatible plugin library
Git Integration	★★★★☆	Works well with `git-plus` or `pulsar-git` plugins
Theming / Customization	★★★★★	Full CSS/LESS styling and UI control
Linter / Error Highlighting	★★★★☆	Depends on packages like `linter` and language support
Memory Usage	★★☆☆☆	Electron-based, heavier than Sublime or Pulsar Edit
Multi-File Project Handling	★★★★☆	Supports folders, tabs, and file tree navigation
Markdown Preview	★★★★★	Real-time preview available with community packages

Requirements For Programming Text Editor

Glossary:

Code Editor

Designed for writing and editing source code.

IDE

Integrated Development Environment combines various tools need for software development.

Plugin

Software component that adds specific functionality.

Theme

Preset package containing graphical appearance to customize look and feel.

Open source

Freely available for possible modification and redistribution.

SCM

Source code management use to manage and track modifications to a source code repository.

LMB

Left Mouse Button (LMB) or left click

Test Tools

Test System
Name	Description
CPU	Intel(R) i7 2600 @ 3.40GHz.
Memory	16GB DDR3.
Operating System	Fedora Linux Workstation 42.
Desktop Environment	Gnome 48.
Name	Description

Test Suite
Name	Description
Large File	1GB human-readable text.
Regex File	Text with word “Pulsar Edit” repeated.
Syntax File	PHP file containing HTML, CSS & JavaScript.
Media File	Smiley face or Tux Linux JPEG file.
Java Version	OpenJDK 21.0.7.
PHP Version	PHP 8.4.8.
Python Version	Python 3.13.3.
Pulsar Edit Version	2.0.
Name	Description

Test Scoring

Each feature has two parts.
Score of zero indicates a missing feature.
A part of a feature is work a score of 0.5.

Three bias elimination steps were utilized. The editor was used for at least three years on different platforms. Attempts were made to get stable plug-ins for missing features. The same editor was compared between the one in the repository, the developers website, and the compiled version if applicable.

Selecting Editor Version

For this review, Pulsar Edit was downloaded from the developers website and it did not require additional plugins.

Features

The theme can be native for the editor in terms of the background. Pulsar Edit dark and light themes can be created or downloaded. The score for the theme was a perfect 1.0.
Dragging and dropping a text file into the editor opens a new tab. It is possible to specify the tab location during the drag and drop operation. The score for drag and drop into editor was 1.0.
Opening a very large text file did not crash Pulsar Edit. A “Pulsar Edit” Warning window is shown with an option to continue. It remembers the last session and it was possible to edit the large file. The score for opening a large file was 1.0.
Multiple documents can opened in multiple tabs. Tear-off tabs still do not work and Pulsar Edit does not have a feature to open in new window as a new instance which is handy for multiple monitors. The score for multiple documents was 0.5.
Multiple editors can be opened as new tabs with drag options. The window view can be split either vertically or horizontally. The score for multiple editor view was 1.0.
Creating non-project files is possible by dragging the folder into the workspace. Non-project files can be opened by the drag and drop operation. The score for creating non-project files was a perfect 1.0.
Soft word wrap can be enabled in the editor settings. Automatic soft wrap for documents is available for Pulsar Edit. The score for word wrap was a perfect 1.0.
Spell check works as words are typed. Spelling errors are shown in opened documents. The score for spell check was a perfect 1.0.
Word count is available for Pulsar Edit via a plugin. Selection word count is not available as part of word count. The score for word count was 0.5.
Go to line CTRL/CMD-Gcan jump to a specified line. It is possible to jump to either the first or last line. The score for go to line was a perfect 1.0.
Indentation can default to user-defined tab stops. Children are automatically indented. The score for indentation was a perfect 1.0
Fonts can be dynamically scaled. The system font can be bypassed and a new editor font and size can be set. The score for fonts was a perfect 1.0.
Find and replace CTRL/CMD-F or project-wide CTRL/CMD-SHIFT-F using regular expressions can be utilized for all open documents in the current session. Find and replace will work for the current document or a selection in the current document. The score for find and replacing using regular expressions was 1.0.
Multiple language syntax highlighting in one file is enabled if the language plug-ins are installed. Each language has code-sensitive syntax colors which can be modified. The score for multiple language syntax highlighting was a perfect 1.0.
Code folding works for markup languages such as HTML. Code folding also works for programming languages such as Java and PHP. The score for code folding was 1.0.
Selecting rectangular block per column does not work. Rectangular block selections do not work with word wrap enabled. The score for selecting rectangular block was a perfect 0.0.
Multiple selection CTRL/CMD-LMBis available for Pulsar Edit. Search multiple selection is available. The score for multiple selection was 1.0.
Distraction-free mode to hide panes works. Line numbers can be toggled in the settings to improve distraction-free mode. The score for distraction-free was a perfect 1.0.
The file manager can create and delete folders. Media files can be dragged and dropped into the file manager pane. The score for file manager was 1.0.
Terminal is not integrated into Pulsar Edit, but one can be enabled as a plugin. The terminal can follow folder if enabled. Terminal can execute system commands. The score for terminal was 1.0.

Results

Pulsar Edit is a very powerful IDE. By default, the Pulasr Edit editor any missing required features can be installed by using plugins. For my required features, the Pulsar Edit editor scored 90.00% or 9.00 out of 10.

💡 Learn to Code with Personalized Tutorials

Interested in learning how to code, customize Pulsar, or build your own plugins?
📩 Contact me for 1-on-1 programming tutorials, mentoring, or project help.
Whether you’re a beginner or an advanced coder, I offer personalized sessions that fit your goals.

👉 Contact Me Here or at Ojambo Services

2025-06-26

Review Generative AI Qwen2 7b Model
🚀 Exploring Qwen2: A Powerful Open LLM – Installation, Testing with Alpaca + Screencast!

Qwen2 is the latest open-source large language model (LLM) developed by Alibaba’s DAMO Academy. It represents a significant advancement in multilingual understanding and generative tasks. In this guide, we’ll walk you through what Qwen2 is, how to install and run it using Ollama and Alpaca, and test its capabilities. Whether you’re a developer, researcher, or just curious about AI, this post is for you!

🧠 What is Qwen2?

Qwen2 is a family of language models released by Alibaba in 2024. It’s designed to compete with models like LLaMA, Mistral, and GPT-style models. Qwen2 supports both base and instruction-tuned versions and comes in various sizes (from 0.5B to 72B), optimized for multilingual and code generation tasks.

Screencast Walkthrough

🎥 Watch the Screencast (Setup + Demo)

Video Displaying Whole Process From Setup To Running Your First Prompt

📷 Screenshots

Alpaca With Gwen2 7B Model Answering Question Regarding The Mayor Of Toronto

Alpaca With Gwen2 7B Model Answering Request For PHP Code

Alpaca With Gwen2 7B Model Generated PHP Code Running In Geany IDE

Alpaca With Gwen2 7B Model Answering Reuqest For A 1080p Screenshot Of Gnome Desktop

Alpaca With Gwen2 7B Model Answering Request For Kotlin Camera2 API Code

Alpaca With Gwen2 7B Model Answering Request For A Blender Blend File For Fire Animation
- 📷 1. Qwen2 in Ollama
  Screenshot of Ollama terminal after pulling Qwen2
- 📷 2. Alpaca GUI Interface
  Screenshot of the web interface showing a sample chat with Qwen2
- 📷 3. JSON Output Format If Not Using GUI
  Sample output for API responses if using Alpaca backend
⚙️ How to Install Qwen2 (Using Ollama + Alpaca)

Prerequisites
- macOS, Linux, or WSL on Windows
- Ollama installed
- Alpaca GUI from GitHub
Step-by-step Instructions
1. Install Ollama
  curl -fsSL https://ollama.com/install.sh | sh
2. Start Ollama and Pull Qwen2
  ollama pull qwen2:instruct
3. Run the Model
  ollama run qwen2:instruct
4. Install Alpaca
  flatpak install flathub com.jeffser.Alpaca
🧪 Testing Qwen2 with Alpaca

Once everything is running, use the Alpaca web interface to chat with Qwen2. Try the following prompts:

Who is the mayor of Toronto?

Produced inaccurate outdated answer to Olivia Chow as the mayor of Toronto.

I need a PHP code snippet to connect to a MySQL database.

Produced accurate syntax PHP code snippet to connect to a MySQL database.

I need a 1080p screenshot of the gnome desktop environment.

Produced elaborate answer to generate a 1080p screenshot of Gnome desktop environment because it is a text-based AI lacking ability.

I need a kotlin code snippet to open the camera using Camera2 API and place the camera view on a TextureView.

Produced incomplete Kotlin code snippet to open the camera using Camera2 API.

I need a blender blend file for fire animation.

Produced elaborate answer to generate a fire animation, but not a Blender Blend file because it is a text-based AI lacking ability.

You’ll notice that Qwen2 is particularly strong at multilingual tasks, logical reasoning, and step-by-step explanation – a perfect playground for developers and researchers alike.

🙋 Need Help Installing Qwen2?

If you run into any issues or would like personalized help setting up Qwen2 with Ollama and Alpaca, I’m happy to assist!

👉 Contact me here anytime or Click here to request help or leave a comment below and I’ll get back to you ASAP.

Let’s make AI more accessible – together. 💡

💡 Final Thoughts

Qwen2 represents a new era of high-performing, multilingual open-source language models. With support from tools like Ollama and Alpaca, it’s easier than ever to test and integrate these models into your projects.

If you found this guide useful, don’t forget to like the screencast and subscribe to stay updated on more LLM tutorials!

🔧 Resources
- 🔗 Qwen2 GitHub (Model Card)
- 🔗 Ollama Documentation
- 🔗 Any Web UI of your choice, I will be using Github description, “Alpaca is an Ollama client where you can manage and chat with multiple models”.
2025-06-25
How to Use osTicket Helpdesk Solution
How to Use osTicket: An Open Source Helpdesk Solution for Your Business

osTicket is one of the most popular open-source support ticket systems available today. Designed for businesses, nonprofits, and IT departments, it provides a user-friendly way to manage incoming support requests and streamline customer service.

What is osTicket?

osTicket is a web-based support ticket system that allows users to submit support requests via email, web forms, or phone. The support staff can manage, assign, and resolve these tickets through a centralized interface.

Key Features:
- Email-to-ticket conversion
- Auto-responses and email alerts
- Custom forms and ticket filters
- SLA (Service Level Agreement) support
- Role-based access control
License Information

osTicket is released under the GNU General Public License v2.0 (GPL-2.0). This means:
- It’s free to use, modify, and distribute
- You can tailor the source code to fit your needs
- You must also release your code under the same license if redistributed
You can review the full license here.

Screenshots & Screencast

Here’s a visual overview of osTicket in action:

Screenshots

Web Browser Displaying osTicket Installer

Web Browser Displaying osTicket Installer Basic Installation Screen

Web Browser Displaying osTicket Installer Completed Screen

Web Browser Displaying osTicket Support Center

Web Browser Displaying osTicket Agent Login Screen

Web Browser Displaying osTicket Messages Screen

Screencast: How osTicket Works

Video Demonstrating osTicket Ticketing System

How to Install osTicket (Self-Hosted)

You can host osTicket on your own server for maximum control and customization. Here’s a quick guide to get you started:

System Requirements:
- Web server: Apache/Nginx
- PHP: 8.0-8.2
- MySQL: 5.5+ or MariaDB
Installation Steps:
1. Download osTicket
  Get the latest version from the official site
2. Upload to Your Server
  Extract the ZIP file and upload contents to your web root (e.g., /var/www/osticket/)
3. Create a Database
  Use phpMyAdmin or the command line:
```
      CREATE DATABASE osticket;
      CREATE USER &#039;ostuser&#039;@&#039;localhost&#039; IDENTIFIED BY &#039;securepassword&#039;;
      GRANT ALL PRIVILEGES ON osticket.* TO &#039;ostuser&#039;@&#039;localhost&#039;;
      FLUSH PRIVILEGES;
      
```
4. Run the Installer
  Navigate to http://yourdomain.com/osticket/setup and follow the on-screen instructions
5. Secure and Clean Up
  Remove the /setup directory and change permissions on /include/ost-config.php to read-only
Need Help Installing?

If you’d prefer to skip the technical setup, I can help you get osTicket installed and customized for your business needs.

Contact me here: Ojambo Services or use my contact form.

Final Thoughts

osTicket is a powerful and flexible ticketing system backed by a strong open-source community. Whether you’re managing IT support or customer service, it’s a tool worth exploring.

Have you tried osTicket? Share your experience in the comments below!
2025-06-24
Effectively Git Clone Specific Branches Or Latest Releases
Master Git Clone: Fast, Focused, Powerful

Excerpt:
Learn how to use git clone more efficiently with practical tips for speed, specific branches, shallow clones, and more. Plus: Git’s open-source roots, private tutorials, and multimedia walkthroughs.

🧪 What is git clone?

The git clone command creates a full local copy of a Git repository. It includes all files, history, and branches by default.

git clone https://github.com/username/repo.git

This command is just the beginning—below are powerful ways to customize it.

💡 Tip 1: Clone a Specific Branch

Need just one branch instead of the whole repo?

git clone -b feature-login https://github.com/username/repo.git

This skips checking out the default branch and jumps right into the one you want.

⚡ Tip 2: Speed It Up with --depth

Speed up cloning and save disk space with a shallow clone:

git clone --depth 1 https://github.com/username/repo.git/

Combine this with a branch for even better performance:

git clone --depth 1 -b staging https://github.com/username/repo.git

Perfect for CI jobs or quick testing.

🚀 Tip 3: Clone the Latest Release

Want only the latest tagged release? Use the GitHub API:
```
   LATEST_TAG=$(curl -s https://api.github.com/repos/username/repo/releases/latest | grep tag_name | cut -d &#039;&quot;&#039; -f 4)
   git clone --branch &quot;$LATEST_TAG&quot; --depth 1 https://github.com/username/repo.git
  
```
This ensures you’re working with the most stable release.

🚀 Bonus: Clone Without Git History (Like a ZIP)

If you’re not planning to use Git features and just want the codebase, GitHub offers a download-as-ZIP option on every repo page. But if you still want to use Git:
```
   git clone --depth 1 https://github.com/username/repo.git
   rm -rf repo/.git
  
```
This ensures you’re working with the most stable release.

🌐 Git is 100% Open Source

Git is an open-source distributed version control system, originally created by Linus Torvalds for the Linux kernel. It’s free to use, licensed under GPLv2, and supported by a global community.
- You can inspect, modify, and contribute to its source code.
- Git works locally without needing a cloud service.
- It’s not tied to any one provider (like GitHub or GitLab).
Git’s open nature is part of what makes it so widely adopted across tech teams today.

🎓 Book Private Git Tutorials With Me

I offer 1-on-1 private tutorials covering:
- Git basics (clone, commit, push, pull)
- Branching strategies (Git Flow, trunk-based)
- GitHub/GitLab workflows
- Solving common merge conflicts
- CI/CD with Git
🕐 Sessions are available remotely and tailored to your skill level.
📧 Contact me to schedule a session

📷 Git Clone in Action: Screenshots & Video

Seeing is believing! Below are visual guides showing the git clone command in different scenarios.

📸 Screenshots:
- Cloning a repo in VS Code terminal
- Result of shallow clone (--depth 1)
- Directory structure after clone
Command Line Git Clone A Specific Branch

Command Line Git Clone Shallow (--depth 1)

Command Line Git Clone Without Git History

Command Line Git Clone Latest Tag

🎥 Video Walkthrough:

Step-by-step cloning, how to branch, code depth and release tag

✅ Final Thoughts

With just a few flags, git clone becomes a powerful tool for faster workflows and more precise development. Try out these tips and consider exploring Git beyond the basics.

📌 Don’t forget to comment or reach out if you want personalized help!
2025-06-23
PHP Web Framework Yii2
Getting Started with Yii2: How to Install and Build a Sample App that Uses a Database

If you’re a developer looking to build fast, secure, and feature-rich PHP applications, Yii2 is an excellent choice. Yii2 is an open-source, high-performance PHP framework that makes developing modern web applications easy and enjoyable.

In this article, we’ll walk you through the steps to:
- Install Yii2
- Set up a basic app
- Connect to a database
- Pull data from a sample table
- List the supported databases
What is Yii2?

Yii2 stands for “Yes, it is!” — and for good reason. It’s a full-stack framework designed for building robust and scalable web applications. It supports rapid development, secure coding practices, and is optimized for performance.

Yii2 follows the MVC (Model-View-Controller) Architecture that makes code more organized, maintainable, and testable..

Open Source

Yii is released under the BSD-3-Clause Revised License. The permissive license requires the preservation of the copyright notice and disclaimer. It allows commercial use, modification, distribution, and allows making derivatives proprietary, consult the license for more specific details.

The PHP scripting language is licensed under the PHP License. The permissive license has conditions requiring preservation of copyright and license notices. Redistribution is permitted in source or binary form with or without modifications, consult the license for more specific details.

Requirements For Yii2

Glossary

Model

Represents the data and business logic. Interacts with the database (CRUD operations), performs calculations, and handles data processing.

View

Responsible for displaying the user interface. Contains HTML, CSS, and potentially some PHP for data presentation.

Controller

Acts as the intermediary. Receives user requests, loads models, interacts with them to retrieve data, and then loads the appropriate views to display the results.

How to Install Yii2

To install Yii2, you’ll need Composer. If you haven’t installed it yet, download Composer here.

Step 1: Create a New Project

composer create-project --prefer-dist yiisoft/yii2-app-basic myapp

Step 2: Set File Permissions

chmod -R 777 myapp/runtime
chmod -R 777 myapp/web/assets

Step 3: Run the Built-In PHP Server

cd myapp
php yii serve

Then go to http://localhost:8080 in your browser.

Setting Up the Database Connection

Yii2 uses a database configuration file at config/db.php.
```
   return [
      &#039;class&#039; =&gt; &#039;yii\db\Connection&#039;,
      &#039;dsn&#039; =&gt; &#039;mysql:host=localhost;dbname=mydatabase&#039;,
      &#039;username&#039; =&gt; &#039;root&#039;,
      &#039;password&#039; =&gt; &#039;&#039;,
      &#039;charset&#039; =&gt; &#039;utf8&#039;,
   ];
  
```
Creating a Sample Table and Pulling Data

Create Table SQL
```
   CREATE TABLE post (
      id INT AUTO_INCREMENT PRIMARY KEY,
      title VARCHAR(255) NOT NULL,
      content TEXT NOT NULL
   );
  
```
Insert Sample Data
```
   INSERT INTO post (title, content) VALUES
   (&#039;First Post&#039;, &#039;This is the first post.&#039;),
   (&#039;Second Post&#039;, &#039;This is the second post.&#039;);
  
```
Generate a Model with Gii

Visit Gii code generator:

http://localhost:8080/index.php?r=gii
- Use the Model Generator
- Enter post as table name
- Click Preview, then Generate
Display Data from the Model
```
   use app\models\Post;

   public function actionPosts()
   {
       $posts = Post::find()-&gt;all();
       return $this-&gt;render(&#039;posts&#039;, [&#039;posts&#039; =&gt; $posts]);
   }
   
```
Create a view at views/site/posts.php:
```
   &lt;?php foreach ($posts as $post): ?&gt;;
   &lt;h2&lt;?= $post-&gt;title ?&gt;&lt;/h2&gt;
   &lt;p&gt;&lt;?= $post-&gt;content ?&gt;&lt;/p&gt;
   &lt;?php endforeach; ?&gt;
  
```
Supported Databases in Yii2
- MySQL / MariaDB
- PostgreSQL
- SQLite
- Microsoft SQL Server
- Oracle (via extensions)
Screenshots

Command Line Yii2 Installation Using Composer

Command Line Yii2 Permissions Using Composer

Command Line Yii2 Web Server Running

Netbeans IDE Displaying Yii2 Database Configuration File

PHPMyAdmin Displaying Yii2 Database Table Creation SQL

PHPMyAdmin Displaying Yii2 Database Table Insertion SQL

Web Browser Displaying Gii Generator Screen

Netbeans IDE Displaying Yii2 Generator Model File

Netbeans IDE Displaying Yii2 View File

Netbeans IDE Displaying Site Controller File

Screencast

Watch the full walkthrough on YouTube:

Yii2 Custom View Record In Web Browser

Need Help?

Need help setting this up? Feel free to leave a comment or contact me directly and I’ll be happy to help!

Summary
- Installed Yii2 via Composer
- Configured a database
- Created a model using Gii
- Displayed database content on a web page
Yii2 is a fast, secure, and powerful PHP framework that can get your apps running in no time.
2025-06-22
Extracting Blender VSE Markers Using Python
Automating Video Renders in Blender: Extracting VSE Markers with the Python API

Blender is well known for its powerful 3D tools, but its Video Sequence Editor (VSE) also offers a capable solution for video editing and automation.
If you’ve ever needed to split and render multiple clips from a timeline using markers, Blender’s Python API makes it possible and efficient.

In this post, we’ll explore how to use the Blender Python API to:
- Extract all timeline markers from the VSE
- Use those markers to define video segments
- Automatically render each segment as a separate video file
This workflow is ideal for content creators, educators, and editors working with long timelines who want to automate rendering based on defined points in the timeline.

Why Use Markers?

Markers in Blender’s VSE are a convenient way to label or segment parts of a timeline. They serve as visual bookmarks for key events, cuts, or chapters.

If you’ve edited a recording and added markers such as Intro, Chapter1, Chapter2, and Outro, you can use those to automatically split and render each section without manually setting start and end frames every time.

Prerequisites
- Blender 2.80 or later
- Basic familiarity with Blender’s scripting interface
- A video editing project with VSE markers already added
Python Script for Rendering by Marker Segments

Below is a Python script you can run inside Blender’s scripting environment:
```
   import bpy
   import os

   # Define Output Folder Relative To The Blend File #
   output_folder = bpy.path.abspath(&quot;//&quot;)
   os.makedirs(output_folder, exist_ok=True)

   # Sort Markers By Frame Position #
   markers = sorted(bpy.context.scene.timeline_markers, key=lambda m: m.frame)

   # Get Current Scene And Render Settings #
   scene = bpy.context.scene
   render = scene.render
   original_filepath = render.filepath
   file_format = render.image_settings.file_format

   # Set Render Format To Video FFmpeg #
   render.image_settings.file_format = &#039;FFMPEG&#039;
   render.ffmpeg.format = &#039;MPEG4&#039;

   # Iterate Over Marker Pairs To Render Each Segment #
   for i in range(len(markers) - 1):
       start_marker = markers[i]
       end_marker = markers[i + 1]

       scene.frame_start = start_marker.frame
       scene.frame_end = end_marker.frame - 1

       clip_name = f&quot;{start_marker.name}_to_{end_marker.name}.mp4&quot;
       render.filepath = os.path.join(output_folder, clip_name)

       print(f&quot;Rendering: {clip_name} [{scene.frame_start} - {scene.frame_end}]&quot;)
       bpy.ops.render.render(animation=True)

   # Restore Original Render Settings #
   render.filepath = original_filepath
   render.image_settings.file_format = file_format

   print(&quot;All segments rendered successfully.&quot;)
  
```
How the Script Works
1. Marker Sorting: Gathers and sorts all timeline markers by their frame number.
2. Frame Ranges: Each render range is defined from the current marker to just before the next.
3. Segment Rendering: Each range is rendered to a unique video file.
4. Settings Reset: The script restores your original render output path and format afterward.
Best Practices
- Ensure markers are named consistently and clearly (e.g., Scene1, Scene2, etc.).
- Always include at least two markers to define a segment.
- For the final section of your timeline, add an extra marker at the end to capture that segment properly.
Screenshots: Markers in the VSE Timeline

Blender Video Sequence Editor Displaying Timeline Markers

Blender Scripting Interface Displaying Python Code

Terminal Displaying Code Running Via Blender Python API

Terminal Displaying Blender Python API Code Run Completion

Screencast: Full Workflow Demo

Video Demonstrating Blender VSE Timeline Marker Export

Promote Your Workflow with Automation

This approach is a great starting point for more complex pipeline automation. You can extend the script to:
- Include audio replacements or variations per clip
- Tag markers with metadata and use that for dynamic naming
- Export still frames, thumbnails, or subtitles alongside video
From Script to Mastery: Learn More in Mastering Blender Python API

If you found this script helpful and want to take your Blender automation skills to the next level, check out my book:

Mastering Blender Python API
Unlock the full potential of Blender through scripting and custom workflows.

In the book, you’ll learn how to:
- Build custom add-ons for Blender
- Automate complex tasks across 3D modeling, animation, rendering, and VSE
- Understand Blender’s data structures and event loop
- Create tools that integrate directly into Blender’s interface
Whether you’re a technical artist, animator, or developer, Mastering Blender Python API will guide you from beginner to advanced usage with practical examples and project-based learning.

Conclusion

Automating VSE renders using markers can significantly streamline your workflow and reduce repetitive tasks. Whether you’re working with chaptered content, batch edits, or custom render tools, Blender’s Python API gives you the flexibility and control you need.

Have questions, or want to share your own scripts and workflows? Feel free to leave a comment below.
2025-06-21
JavaScript Procedural Sky Texture

Creating a Simple Blue Sky with Procedural Clouds Using Vanilla JavaScript

Procedural textures can bring life and realism to web graphics without relying on external images or libraries. In this tutorial, we’ll create a simple yet visually appealing blue sky with soft, fluffy clouds entirely in vanilla JavaScript – no dependencies needed.

You’ll learn how to use value noise to generate natural-looking clouds and add subtle color variation to the sky to avoid flatness. Plus, you’ll get handy buttons to generate new cloud patterns and download your creation.

(more…)

2025-06-20