PyCaptcha

Image and Audio captcha generation using python

Image Captcha

Initialisation with captcha customisation arguments

    image = ImageCaptcha()

Captcha Height and Width

c_height=200, c_width=600

Captcha Colors(default is "#B89843")

Use hexadecimal colors, HTML color names, etc, use Pil ImageColor Documents for more details on color name.

c_color

Captcha Font Type(InriaSerif-Regular.ttf by default)

Provide a ttf font path

font_type

Font Color(default "WHITE")

font_color

Font Size(default 50)

font_size

String Length(default is 6)

String lenght for random captcha string. Inoperative if captch string is passed to generate function.

string_length

String Constant(Defaults to combination of upper case, lower case, and numeric)

Fo random captcha String. provides a combination of string to include in the captcha example Lower case("L"), Upper Case("U"), Numeric("D"), Symbols("P "). Inoperative if captch string is passed to generate function.

string_constants=("U", "L", "D")

Generate Image

Generates captcha. If captcha string is not passed, generates a random string from Upper Case, Lower Case, and Number. The Specify noise density for noise on the captcha. Integer value represents the number of noise pixels on the captcha.

Returns captcha string

captcha_string = image.save_image(captcha_string, noise_density)

Show Captcha

To see the Captcha Image

image.show_image()

To bytes

Convert the image to bytes. The encoder argument defaults to "raw" Returns bytes

image_byte = image.im_bytes(encoder="raw")

Audio Captcha

text_to_speech = TextToSpeech(string_length=6, string_constants=("L", "D"))
text_to_speech.gen_audio(filename="aud.mp3", captcha_string=None)

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Resources

Using Pillow Python Imaging library for creating captcha images

For Text to Speech using gTTS

Fonts from Google Fonts