works » text-rect

#!/usr/bin/env python

import json

import subprocess

from optparse import OptionParser

__version__ = "0.1.3"

DEFAULT_JSON_FILE = "data.json"

DEFAULT_TEXT_RECT = "./text-rect"

#COLOR = [0.6666, 0.6666, 0.6666, 1.0]

COLOR = [0, 0, 0, 1.0]

DESCRIPTION = "parse a JSON file and outputs images calling text-rect"

FONT = "Gill sans 48" # also change ARBITRARY_SPACE_FACTOR if you change the font

ARBITRARY_SPACE_FACTOR = 48

ARBITRARY_HEIGHT = 800

def _load(file_name):

    f = None

    try:

        f = open(file_name, "r")

    except IOError, e:

        raise RuntimeError(e.message)

    else:

        try:

            data = json.load(f, "UTF-8")

        except ValueError, e:

            raise RuntimeError("Error in JSON formatting: %s" % (e.message))

    if f is not None:

        f.close()

    return data

def do_it(text_rect, file_path, verbose):

    ret = True

    data = _load(file_path)

    if verbose:

        print(data)

    for k, v in data.iteritems():

        w = len(v) * ARBITRARY_SPACE_FACTOR

        h = ARBITRARY_HEIGHT

        command = "%s -o %s.png -t \"%s\" -f \"%s\" -r %f -g %f -b %f -a %f -W %d -H %d" % (text_rect, k, v, FONT, COLOR[0], COLOR[1], COLOR[2], COLOR[3], w, h)

        returncode = subprocess.call(command, shell=True)

        if returncode == 0:

            if verbose:

                print("WIN  %s" % (command))

        else:

            if verbose:

                print("FAIL %s" % (command))

            ret = False

    return ret

if __name__ == "__main__":

    parser = OptionParser(usage="%prog [config file] [options]", version="%prog " + __version__, description=DESCRIPTION)

    parser.add_option("-j", "--json-file", type="string",

                        help="Specifies the JSON config file.")

    parser.add_option("-t", "--text-rect", type="string",

                        help="Specifies the path to the text-rect to call.")

    parser.add_option("-v", "--verbose", action="store_true", help="Makes the logging output verbose.")

    (options, args) = parser.parse_args()

    json_file = DEFAULT_JSON_FILE

    text_rect = DEFAULT_TEXT_RECT

    verbose = options.verbose

    if options.text_rect:

        text_rect = options.text_rect

    if options.json_file:

        json_file = options.json_file

    do_it(text_rect, json_file, verbose)