Hocron

Hocron provides an API over HOCR file format.

Installation

pip install hocron

Prepare Development Environment & Run Tests

1. virtualenv .venv -p /usr/bin/python3.8 # provide virtualenv path to 3.8 interpreter
2. source .venv/bin/activate # activate .venv virtual environment
3. pip install -r requirements.txt # install dependencies
4. python setup.py develop # provide a link to dev version of hocron
5. python test/run.py

Usage

Example:

from hocron import Hocron, LinePattern

# define a line pattern
line_pattern = LinePattern([
    'EUR',
    re.compile('\d+[\.,]+\d\d$')
])

hocron_inst = Hocron(hocr_as_str)

value = hocron_inst.get_labeled_value(line_pattern)

Hocron class receives as argument a string. It expects that string to in a valid hOCR format.

References

hOCR is an open standard of data representation for formatted text obtained from optical character recognition (OCR).

• hOCR format specifications
• Article on Wikipedia