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from flask import Flask, Response, request, render_template
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app = Flask(__name__)
title = 'Cobbled paths'
fonts_directory = 'db/'
possible_extensions = [".flf"]
etherpad = 'https://pad.constantvzw.org/p/'
prefix = 'cobbled-pad-'
# VARIABLES
# ------------------------------
# all the character that svgbob understand
spec = [".", ",", "’", "'", "`", "+", "*", "o", "O", "V", "\\-", "|", "~", "_", ":", "!", "<", ">", "v", "^", "/", "\\\\", '\\”', '\\"', "(", ")", "=", "#"]
r_spec = "".join(spec)
r_nspec = "[^" + r_spec + "\€\$\s]"
# autofix regex
autofix = [
# every arrowshead into lines
[re.compile("[<{]"), "("],
[re.compile("[>}L]"), ")"],
[re.compile("[vV]"), "-"],
[re.compile("[\\^]"), "-"],
[";", ":"],
["7", "/"],
[re.compile("[1Tlj\\[\\]]"), "|"],
[re.compile("[Y]"), "+"],
# every not in the spec --> block
[re.compile(r_nspec), "#"],
]
def most_common(lst):
return max(set(lst), key=lst.count)
# ROUTES
# ------------------------------
@app.route("/")
def index():
return render_template(
'index.html',
title = title)
@app.route("/draw.html")
def draw():
params = {
'pad': request.args.get('p') or 'default',
'weight': request.args.get('w') or '3',
}
params['pad-full'] = etherpad + prefix + params['pad']
return render_template(
'draw.html',
title = title,
params = params)
@app.route("/catalogue.html")
def catalogue():
# text and weight as get parameter
params = {
'text': request.args.get('t') or 'Echoes',
'weight': request.args.get('w') or '3',
}
output = {
'stroke': { 'ascii': ' | ' , 'fonts': [] },
'script': { 'ascii': ' _/' , 'fonts': [] },
'block': { 'ascii': '|_|' , 'fonts': [] },
'outline': { 'ascii': '/ /' , 'fonts': [] },
'effect': { 'ascii': ': :' , 'fonts': [] },
'pattern': { 'ascii': ')()' , 'fonts': [] },
# 'fill': { 'ascii': '_/', 'fonts': {} },
# 'directions': { 'ascii': '_/', 'fonts': {} },
# '3d': { 'ascii': '_/', 'fonts': {} },
# 'frame': { 'ascii': '_/', 'fonts': {} },
# 'code': { 'ascii': '_/', 'fonts': {} },
}
databases = {
'default': 'fonts made by the figlet developpers and given with the program, early 1993',
'contributed': 'fonts made by figlet amateurs and submitted to the official figlet ftp, from before 1993 to 2005',
'jave': 'figlet font library of JavE (a free Ascii drawing Editor)',
}
# walk in the figlet font directory
for root, dirs, files in os.walk(fonts_directory):
for name in files:
(basename, ext) = os.path.splitext(name)
if ext in possible_extensions:
path = os.path.join(root, name)
print(path)
# get font category out of last folder
catalogue = root.split('/')[-2]
type = root.split('/')[-1]
if type in output:
f = {}
output[type]['fonts'].append(f)
f['name'] = name
f['catalogue'] = catalogue
figlet = subprocess.run(["figlet", params['text'], "-f", path, "-w", "160"], stdout = subprocess.PIPE, text=True)
f['ascii'] = figlet.stdout
font_info = subprocess.run(["figlet", "-I", path, "-w", "160"], stdout = subprocess.PIPE, text=True)
f['info'] = font_info
svgbob = subprocess.run(["svgbob_cli", '--stroke-width', params['weight']], input = f['ascii'], stdout = subprocess.PIPE, text=True)
f['svg'] = svgbob.stdout
# regex auto_fix
fixed = f['ascii']
for regex, replace in autofix:
fixed = re.sub(regex, replace, fixed)
f['ascii_fix'] = fixed
if f['ascii'] != f['ascii_fix']:
f['autofix'] = True
fix_indication = f['ascii']
for regex, replace in autofix:
# the two markers have to not appear in any regex
fix_indication = re.sub(regex, "$" + replace + "€", fix_indication)
fix_indication = re.sub("[\$]", "<span class='fix'>", fix_indication)
fix_indication = re.sub("[\€]", "</span>", fix_indication)
f['ascii_fix_indication'] = fix_indication
svgbob_fix = subprocess.run(["svgbob_cli", '--stroke-width', params['weight']], input = f['ascii_fix'], stdout = subprocess.PIPE, text=True)
f['svg_fix'] = svgbob_fix.stdout
return render_template(
'catalogue.html',
title = title,
databases = databases,
output = output,
params = params)
def make_svg ():
return ''
@app.route('/hpgl/')
def hpgl ():
# generate svg
svg = make_svg()
# store as a temporary file
(svg_file, svg_path) = tempfile.mkstemp()
svg_file.write(svg)
# transform to hpgl
hpgl = svgToHPGL(svg_path)
# remove tmp file
os.remove(svg_path)
r = Response(hpgl, mimetype='application/hpgl')
r.headers.extend({
'Content-Disposition': 'attachment; filename="cobbled-paths.hpgl"'
})
return r
if __name__ == '__main__':
app.run(debug=True, host='0.0.0.0')