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#!/usr/bin/env python3
import sys
import os
import functools
from xml.sax.saxutils import escape
import xml.etree.ElementTree as ET
# on msys, use crlf output
nl = None
if sys.platform == 'msys':
nl = "\r\n"
if len(sys.argv) <= 1:
print('Usage: python3 {} filename.ui [filename2.ui ...]'.format(sys.argv[0]))
sys.exit(0)
def sort_prop_key(a):
# declare all non-<property> to be equal, and also greater than to all <property>
# because sorted() is stable this means we only rearrange properties relative to each other
# and put them at the front, the rest are kept in-order as-is
if a.tag != "property":
return "z"
return "a" + a.get('name')
def sort_grid_key(a):
# same with non-items in a grid layout, but at the front (these are e.g. properties)
if a.tag != "item":
return "a"
return "z{:08}{:08}".format(int(a.get('row')), int(a.get('column')))
def canonicalise_ui(elem):
# sort properties in alphabetical order. Unclear if Qt creator
# has a fixed order for these, but it seems like it might?
#elem[:] = sorted(elem, key=sort_prop_key)
if elem.tag == "layout" and elem.get('class') == 'QGridLayout':
elem[:] = sorted(elem, key=sort_grid_key)
for e in elem:
canonicalise_ui(e)
def write_ui_xml(f, elem, indent):
f.write(' ' * indent)
f.write('<{}'.format(elem.tag))
for k,v in elem.items():
f.write(' {}="{}"'.format(k,v))
if elem.text or len(elem) > 0:
f.write('>')
if elem.text and len(elem.text.strip()) > 0:
f.write(escape(elem.text).replace('"', '"'))
if len(elem) > 0:
f.write('\n')
for e in elem:
iconset_tail = write_ui_xml(f, e, indent+1)
if not iconset_tail:
f.write(' ' * indent)
f.write('</{}>'.format(elem.tag))
# hack for weird iconset formatting
if elem.tail is None or len(elem.tail.strip()) == 0:
f.write('\n')
else:
f.write(elem.tail.strip())
return True
else:
f.write('/>\n'.format(elem.tag))
return False
for filename in sys.argv[1:]:
print("Formatting {}...".format(filename))
uifile = os.path.abspath(filename)
ui = ET.parse(uifile)
canonicalise_ui(ui.getroot())
with open(uifile, mode='w', newline=nl, encoding='utf-8') as f:
f.write('<?xml version="1.0" encoding="UTF-8"?>\n')
write_ui_xml(f, ui.getroot(), 0)
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