Guesslang

Guesslang detects the programming language of a given source code:

echo '
package main
import "fmt"

func main() {
    fmt.Println("My mascot is a gopher and Google loves me. Who am I?")
}
' | guesslang
⟶ Programming language: Go

Guesslang supports

30 programming languages

| Languages | | | | | |----------------|---------------|--------------------|--------|--------------| |

Batchfile

C

C#

C++

CSS

CoffeeScript

Erlang

Go

HTML

Haskell

Java

JavaScript

Jupyter Notebook

Lua

Markdown

Matlab

Objective-C

PHP

Perl

PowerShell

Python

R

Ruby

Rust

SQL

Scala

Shell

Swift

TeX

TypeScript

With a guessing accuracy higher than 90%.

Apps powered by Guesslang

Chameledit

Chameledit is a simple web-editor that automatically highlights your code.

Pasta

Pasta is a Slack bot that pretty pastes source code.

Watch the demo here

GG

GG is a silly guessing game.

Documentation

• Guesslang documentation is available at https://guesslang.readthedocs.io/en/latest/

• Guesslang language detection explained here https://guesslang.readthedocs.io/en/latest/how.html

• Guesslang is based on Tensorflow machine learning framework

Installation

• Python 3.6+ is required

• Install the latest stable version:

pip3 install guesslang

• or install Guesslang from source code:

pip3 install .

• Windows specific

To run Tensorflow on Microsoft Windows you need to install Visual C++ runtime libraries, available on Microsoft website

Guesslang command line

• Show all available options

guesslang --help

• Detect the programming language of

  /bin/which

  :

guesslang /bin/which

⟶ Programming language: Shell

• Detect the programming language of a given text:

echo '
/** Turn command line arguments to uppercase */
object Main {
  def main(args: Array[String]) {
    val res = for (a 

• Show the detection probabilities for a given source code:

echo "
def qsort(items):
    if not items:
        return []
    else:
        pivot = items[0]
        less = [x for x in items if x <  pivot]
        more = [x for x in items[1:] if x >= pivot]
        return qsort(less) + [pivot] + qsort(more)


if name == 'main':
    items = [1, 4, 2, 7, 9, 3]
    print(f'Sorted: {qsort(items)}')
" | guesslang --probabilities
Language name       Probability
Python               80.53%
Batchfile             6.16%
CoffeeScript          2.18%
Markdown              1.66%
JavaScript            1.47%
...

Guesslang Python package

• Guesslang can be used as a Python package. Package documentation available here

from guesslang import Guess


guess = Guess()
name = guess.language_name("""
    % Quick sort
-module (recursion).
-export ([qsort/1]).

qsort([]) -> [];
qsort([Pivot|T]) ->
      qsort([X || X = Pivot]).
""")
print(name)  # ⟶ Erlang

License and credits

• Guesslang documentation

• Gesslang training dataset created with GuesslangTools

• Guesslang developped with Tensorflow

• Guesslang icon created with AndroidAssetStudio and Eduardo Tunni's Warnes font

• Example source codes used here retrieved from Rosetta Code

• Guesslang — Copyright (c) 2020 Y. SOMDA, MIT License