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#!/usr/bin/env python3
import argparse
import xml.etree.ElementTree as ET
from pathlib import Path
def register_all_namespaces(filename):
namespaces = dict([node for _, node in ET.iterparse(filename, events=['start-ns'])])
for ns in namespaces:
ET.register_namespace(ns, namespaces[ns])
def fixup_gir_for_doc(args):
tree = ET.parse(args.in_path)
root = tree.getroot()
register_all_namespaces(args.in_path)
namespace = {
'goi': 'http://www.gtk.org/introspection/core/1.0'
}
namespace_node = root.find('goi:namespace', namespace)
image_node = namespace_node.find('goi:class[@name="Image"]', namespace)
blob_node = namespace_node.find('goi:record[@name="Blob"]', namespace)
# A list of functions that needs to be converted to an Image constructor.
# Note that all functions containing "load" are already converted.
image_ctors = [
'black',
'eye',
'fractsurf',
'gaussmat',
'gaussnoise',
'grey',
'identity',
'logmat',
'mask_butterworth',
'mask_butterworth_band',
'mask_butterworth_ring',
'mask_fractal',
'mask_gaussian',
'mask_gaussian_band',
'mask_gaussian_ring',
'mask_ideal',
'mask_ideal_band',
'mask_ideal_ring',
'perlin',
'sdf',
'sines',
'system',
'text',
'thumbnail',
'thumbnail_buffer',
'thumbnail_source',
'tonelut',
'worley',
'xyz',
'zone',
]
# Functions that take multiple images as input argument ... make them
# part of the Image class.
# Keep-in-sync with gen-function-list.py
image_funcs = [
'arrayjoin',
'bandjoin',
'bandrank',
'composite',
'sum',
'switch',
]
for node in namespace_node.findall('goi:function', namespace):
name = node.get('name')
if name == 'profile_load':
namespace_node.remove(node)
node.tag = 'constructor'
blob_node.append(node)
elif 'load' in name or name in image_ctors:
namespace_node.remove(node)
node.tag = 'constructor'
image_node.append(node)
elif name in image_funcs:
namespace_node.remove(node)
image_node.append(node)
tree.write(args.out_path, encoding='utf-8', xml_declaration=True)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('in_path', help='input file', type=Path)
parser.add_argument('out_path', help='output file', type=Path)
args = parser.parse_args()
fixup_gir_for_doc(args)
if __name__ == '__main__':
main()
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