Developers find the debugging phase quite challenging and frustrating at times, i.e., they face difficulty in diagnosing and resolving problems found in the code. However, with Python, it is few basic functions can assist you in debugging.
Here is our list of the best Python Debugging tools:
- Sentry One of the best error tracking and debugging tools that allow developers to diagnose and fix python problems quickly.
- Pycharm An IDE-based debugging tool used to check and fix Python-related problems faster. It is very popular due to its support, flexibility, and excellent capabilities.
- Pyringe Another Python debugger tool that inspects different Python codes into live processes to get a clear idea of their current state.
- PDB A source code debugging tool for remote servers. It is designed for an environment that does not support a GUI-based debugger.
- PyScripter Another Python IDE platform that offers various features to test and debug python code. It allows developers to write and run Python code in a browser.
- Glitchtip A free error tracking and debugging tool that provides instant alerts to users on detecting any error.
- Icecream A free Python debugging tool used by developers to assist in debugging Python projects. It can be installed through pip.
- Pyshield A graphical Python debugging tool that allows developers to edit, debug and publish encrypted Python scripts.
- PySnooper One of the best user-friendly Python debugging tools used to detect and resolve errors in complex and legacy Python projects.
Python is known to be a top programming language that uses simple syntax. Thus, making it easier for developers to read and understand the code. Further, the programming language is used on a server to build desktop GUI applications, create web pages, and develop web-based applications.
Here, we will discuss some popular third-party tools that will assist you in debugging python and expand your debugging abilities. But, before that, let’s look at some essential factors that one must consider when selecting Python Debug Tools.
Methodology for selecting the Best NBest Python Debug Tools
Most developers get frustrated in the debugging phase, especially if they have no means to identify and fix code bugs. But thankfully, there are many debugging solutions in the market that can reduce your stress and address your code bugs in real-time. Investing in the right tools is essential or else debugging Python programs can become stressful. Here, we have listed a few methodologies that you must keep in mind when selecting the best Python debugging tool.
- Check if it has built-in code checkers for development tools
- Check if your selected tool offers a code verification system that makes it possible to write status codes in debug messaging
- Can you collect debug messages using your selected tool?
- Does it support integration with issue trackers?
- Any free trials or demo sessions are available?
- Does it allow inserting multiple commands?
- Is it an open-source tool that can be customized as per your preference?
- Does your tool allow direct interaction with the development environment?
- Check if it allows running multiple tests before the launch to discover hidden errors
- Check if it supports bug reporting and alert features.
- Can you test remote hosts or virtual machines with the selected tool?
- Can you run PEP8 checks?
- Does your tool provide performance monitoring and error tracking functionalities?
- Does it offer testing systems that automatically integrate with CI/CD pipeline?
What should you look for in Python Debug Tools?
Most people use python to run web-based applications that involve writing thousands of codes. To avoid making any mistakes in the code, developers opt for debugging tools that help run several tests before the launch. With the help of these tests, developers can discover hidden errors that would have affected your performance.
But when selecting one for your project there are various things a developer must cross-check. Look if the provided tools provide bug reporting and alert features, performance monitoring, error tracking, and support integration, and do they interface directly with your development environment?
You must also check if they are open-source and available for free or in premium packages. To make it easier for you, we have listed some of the free and premium Python debugging tools considering various aspects. Follow and compare the list before coming to any conclusion.
The Best Python Debug Tools
Being one of the popular programming languages, most developers use it for various purposes. Hence, it is essential to debug Python projects for better results and smooth operations.
Below we have listed some of the top Python debug tools and their features to choose from. Have a look at the Python debuggers and make a call for yourself.
Sentry is one of the best error tracking and performance monitoring tools and is trusted by many experts. With the help of Sentry, developers can quickly diagnose and fix python problems. Further, it supports the slack trace feature making it easier for clients to discover bugs in the code and stimulate the development environment.
- Stack tracing
- Event log reader
- Detects error
- Identify areas that reproduce errors
With the help of its excellent features, companies can break down reported problems faster.
Its performance monitoring capabilities further allow developers to identify areas that reproduce errors and spot unusual readouts quickly.
It is free to use but supports premium features. The free tool allows you to access only basic functions and supports limited user capacity. If you upgrade the popular tool and opt for the Team package, you get to access more error detection algorithms. Similarly, the business package includes more error insights.
Try the free trial for both paid packages and use the platform for error monitoring of your development projects.
- Quick at discovering bugs in the code and resolving issues faster.
- Enables spotting unusual readouts faster.
- Free tool but supports premium features.
- Supports source code integration.
- Reports issues separately.
- Overwhelming but takes time to understand.
Pricing: Offers a free version with basic features and limited user capacity. The Team package costs $26/month and the Business package costs $80/month.
Website Link: https://sentry.io/signup/
Sentry is a top pick for it allows users to take immediate action on faulty code, crashes, and busted API calls. Using the Sentry tool, you can learn constantly about the codes and resolve issues faster. It offers full visibility that helps detect anomalies across your projects and organization. The popular tool also supports a slack trace feature that enables you to analyze reported issues and better comprehend where bugs appear in the code.
Even code profilers can use the Sentry tool as python codes are mostly used in web apps, especially in procedures that are inserted into web pages and microservices. With the Sentry tool, you can even organize all your issues in a list form that is searchable. Using this list, users can quickly spot unusual readouts and pinpoint sections of your code that make it simpler to replicate errors. Further, the trails of events that led to an error are displayed by breadcrumbs, which facilitates application development.
Another benefit of the Sentry tool is it can be integrated into bug trackers to update the development team on issues that need immediate attention. Further, each component of the Sentry service is properly provisioned with redundant servers and is routinely maintained.
Most DevOps choose Sentry over other tools to debug Python because it covers all basic functions in its free version. If you are planning to invest in the paid package, still it is a top choice, for it can increase your error detection algorithms and insights. Even support teams that rely on Python-coded applications from outside vendors can use Sentry for it can be applied to both active applications and code that is still being developed.
Download: Free with limited features
Official Site: https://sentry.io/
OS: Cloud Based
Pycharm is an IDE-featured python debugging tool built on open-source principles and embraces the keyboard-centric approach. Most developers look forward to Pycharm for its support, flexibility, and excellent capabilities that help in error checking and fixing Python problems faster.
- Integrated debugger and test runner
- Supports integration with major VCS, IPython Notebook, and several built-in database tools
- Debug and Deployment
- Tests remote hosts or virtual machines
- Web development frameworks
- Automated smart refactorings
- Runs PEP8 checks
The IDE features supported by the tool keep control of the code quality with PEP8 checks, automated smart refactorings, and other inspection features available. Designed by programmers, the platform comprises various tools that aid productivity and overall project development.
It is suitable for all modern web development frameworks, including Pyramid, web2py, Django, Flask, Google App Engine, etc., and supports integration with IPython Notebook.
- Offers Syntax and error maintenance.
- PyCharm is easy to install and supports multiple plugins.
- Allows importing assistance and missing libraries.
- Supports a huge community for user queries.
- More space-taking compared to other text editors.
- Community supports only python developers and no support for other programming languages.
- The professional package is expensive.
Pricing: The Pycharm Community edition is open-source and absolutely free while the PyCharm Professional edition comes with additional features and costs $199/year for just the IDE and $649 for the all-product pack.
Website Link: https://www.jetbrains.com/pycharm/download/download-thanks.html?platform=windows
Pyringe is another python debugger that helps inject different Python codes into live processes to get a clear idea of their current state. With the help of Pyringe’s advanced features, you can debug issues faster.
- Inspect codes during live sessions
- Debugs issues quickly
- Works best with version 7.4 onwards
- Updates about the issues in real-time
- List threads and tracebacks
- Inspect locals or globals of running functions
Further, you do not need to stop a program to inspect data with Pyringe. Inspect all the codes in real-time and fix the registered problems. It is a free tool that also allows you to list threads and inspect locals or globals of running functions.
It also supports ringdown analysis of simulated GW data and parameterized tests of General Relativity. If you are looking for a debug tool that will help inspect codes even in live sessions, look no further.
- Allows debugging codes during the live process
- Detects errors in the Python code faster
- Inspect locals or globals of running functions
- Real-time code inspection
- You must have a gdb configured with “–with-python”
Pricing: It is an absolutely free software tool.
Website Link: https://github.com/google/pyringe
PDB is a part of Python’s standard library which supports line-oriented command interpreters and basic debugger function modules. It is best suitable for an environment that does not support a GUI-based debugger.
- Allows inspecting stack frames and source code listings
- Discover and fix bugs faster
- Supports modifying the Pdb class
- Admins have access to stop the program any time to debug it
- Post-mortem debugging
- Run an auditing event without arguments
- Supports insertion of multiple commands
In simple terms, PBD is one of the interactive source code debugging tools for remote servers. All you require is to insert pdb, pdb.set_trace () commands to start debugging. All the scripts run normally and stop only at places where you have inserted a breakpoint.
Additionally, it supports viewing stack traces, source code listing, and stepping through code apart from breakpoint insertion.
- Ideal for small projects as it has less overhead.
- Access to stop the program any time to debug it.
- Developers can insert multiple commands using PDB.
- PDB’s CLI-only approach is quite frustrating
- On receiving the command the tool evaluates individual variables and expressions and supports no editing.
Pricing: It is an absolutely free software tool.
Website Link: https://github.com/python/cpython/tree/3.10/Lib/pdb.py
PyScripter is another open-source Python Integrated Development Environment platform based on Unicode that provides debugging and development. It comprises various features but is one of the lightweight tools that supports Python source files and enables developers to write and run Python code in a browser.
- Open-source IDE solution
- Free and supports persistent configurable options
- PyScripter is based on Unicode
- supports built-in parameterized code templates
- Supports integration with tools like PyLint
- It helps detect and replace codes faster
- Highlight syntax for files in different formats
It is also used to highlight syntax for files in different formats, including HTML, XML, and CSS.
PyScripter is a choice for many companies because it is open-source, easily configurable, and supports built-in parameterized code templates. You can also integrate with other tools such as PyLint.
You don’t have to wait too long for detecting errors as it helps find and replace codes quickly. PyScripter is free and supports configurable IDE options.
- PyScripter is an open-source debugger and easy to configure.
- Supports different formats like HTML, XML and CSS for syntax files.
- Free and quick at detecting errors in Python development projects.
- Supports limited platforms like Windows.
- Since the launch of version 4 it has been unstable.
- Not easy to refactor a code via PyScripter.
Pricing: It is a free software tool.
Website Link: https://github.com/pyscripter/pyscripter
Glitchtip is an open-source error tracking tool that collects errors in real-time and organizes reports into a fixable format. It is better compared to other alternate solutions as it is open-source and maintains a larger user community.
- Supports sentry integration
- Supports hosted or self-hosted features
- Free, open-source tool that provides performance monitoring
- Supports reporting errors and aggregation
- Supports large user community
Additionally, it is easy monitoring software that provides instant alerts to users on detecting any error. It is an all-in-one error tracking solution compatible with Sentry client SDKs.
Developers can run the tool and host it locally because it is open-source. If you are a small company or hold low-budget projects, we recommend going for Glitchtip. However, it supports businesses of all sizes.
Further, it is a free tool that supports hosted or self-hosted options. The premium packages available with the tool come with various options, such as the small package that covers 100k events, the medium package that covers up to 500k events, and the large package that supports around 3 million events.
- Software monitoring becomes easy with Glitchtip.
- Glitchtip is an open-source error tracking platform.
- Supports a large user community.
- Ideal for low-budget companies and supports hosted or self-hosted options.
- Premium packages can be expensive for a few enterprises.
Pricing: It offers a free version when self-hosted. It also offers a commercial package for small, medium, and large businesses. The Small package supports up to 100k events and costs $15 per month. The Medium package supports up to 500k events and costs $50 per month. Finally, the Large package supports up to 3 million events and costs $250 per month.
Website Link: https://glitchtip.com/
The print() function is often used by developers to assist in debugging Python projects, but in a few cases, developers look for its alternative. Icecream is one of the best alternative solutions for the print() function as it elaborates and provides more detailed information compared to the one provided by the original output function (the print() function).
- Best alternative solution to the print() function.
- Offers more detailed information than the print() function.
- Performs detailed inspection of variables.
- Supports installation via Pip.
- Error Detection.
- Debugs Python codes and monitors performance.
It is a free and open-source Python debugging tool that is also used for detailed inspection of variables. You do not have to make much effort in order to install the tool. The Icecream debugger can be installed through pip.
It might not sound like one of the perfect solutions, but comprises various debugging abilities required by developers to detect code errors and fix them.
- Best alternative solution for the print() function.
- Support Pip Package Installation.
- Requires less time to install the Icecream debugger.
- Cons not found yet in the Icecream debugger tool.
Pricing: It is a free tool.
Website Link: https://github.com/gruns/icecream
Pyshield is an IDE tool that supports Python and helps developers edit, debug and publish encrypted Python scripts. Further, it is used to build a standalone executable file.
- Pyshield has a GUI Debugger
- Deploys Python scripts
- Runs encrypted Python scripts
- Allows publishing Python scripts in cross-platforms
- Supports editor that simulates Emacs python-mode
- Code Tree Browser
- Highlight syntax to reduce bugs
- Code block fold support
- Search references across multiple files and directories
- Pyshield is compatible with Windows XP, Windows 7, and Ubuntu i686
You can run the tool on Windows XP, Windows 7, and Ubuntu i686. It allows the publishing and running of encrypted python scripts on cross-platforms. Further, to reduce the chances of errors, it allows developers to highlight syntax.
It comprises an editor that simulates Emacs python-mode. Further, it supports various features, like Code block fold, Code Tree Browser, etc., that make it a good choice for debugging Python.
- Allows admins to edit, modify, debug, and publish Python scripts.
- Runs encrypted python scripts.
- Highlights syntax for error reduction.
- Supports code block fold.
- Pyshield supports limited platforms.
Pricing: Click here to get pricing details from the software vendors.
Website Link: https://pyshield.updatestar.com/en/edit
PySnooper is also a top choice of most developers for it simplifies debugging. The error tracking tool auto-generates logs on the examined source code lines and functions. As a result, you can view the values of local variables easily using this tool.
- Multithreaded applications support
- Displays executed lines
- Customizable objects
- Free error tracking tool
- Auto generates logs
- Perform debugging in complex and legacy Python projects
- Truncate values to any digit
- Allows eliminating all machine-related data for better comparison
Further, it makes it easy to detect and resolve errors in complex and legacy Python projects. You do not have to set up anything extra to run the program. All you require is to add “pysnooper.snoop()” before any line in any function, and it will start tracking all the function performance.
You can also redirect the output to a specific file via this debugger.
- No additional setup is required.
- Supports Prefixes.
- Auto generates logs of examined code lines.
- No cons found yet in PySnooper.
Pricing: It is free and available on GitHub.
Website Link: https://github.com/cool-RR/PySnooper
Python is preferred by most developers because it is highly readable and supports a straightforward syntax. It is one of the top programming languages used mostly to run an organization’s operations, build desktop GUI applications, and create and develop web-based applications.
Hence, to make sure each operation and design work properly in the future, developers must run tests extensively before launching the final product. Although, the Python debugging process can be quite frustrating if you don’t have the right tools.
So, we have listed several distinct tools for debugging Python that will make it easier for you to detect errors and resolve them. Each above-listed tool has different functions and features that make them unique and at the top of the list.
Compare each and every debugging tool before making your final move. These tools are one of the best ways that will help increase your debugging abilities. Hence, go through all of them.
While developing a project, it is essential to perform debugging as it will help highlight some of the main and hidden errors at the time of testing or during post-deployment.
Further, the reports generated from the tools on finding bugs will save your time and enhance overall performance. As and when a bug will be noticed, the tools will immediately update you on it, and you can take the appropriate action for the same.
Sentry, Pycharm, Pyringe, PDB, PyScripter, Glitchtip, Icecream, Pyshield, and PySnooper are some of the popular Python debuggers available in the market.
Most of the highlighted tools are open-source and available for free. Also, some of them can test every line of source code and display slow-performing snippets in the reports.
Further, you can find a few debugging tools that allow developers to add more resources or refactor the code to deliver better performance and results.
Follow the above-listed tools and their features for debugging Python. Each one has its own role and features, compare and choose the one that suits your requirement and budget.