New translations cpp2python.py (Chinese Simplified)

lang/zh/gklearn/ged/util/cpp2python.py

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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Created on Fri Mar 20 11:09:04 2020
+
+@author: ljia
+"""
+import re
+
+def convert_function(cpp_code):
+# f_cpp = open('cpp_code.cpp', 'r')
+# # f_cpp = open('cpp_ext/src/median_graph_estimator.ipp', 'r')
+# 	cpp_code = f_cpp.read()
+	python_code = cpp_code.replace('else if (', 'elif ')
+	python_code = python_code.replace('if (', 'if ')
+	python_code = python_code.replace('else {', 'else:')
+	python_code = python_code.replace(') {', ':')
+	python_code = python_code.replace(';\n', '\n')
+	python_code = re.sub('\n(.*)}\n', '\n\n', python_code)
+	# python_code = python_code.replace('}\n', '')
+	python_code = python_code.replace('throw', 'raise')
+	python_code = python_code.replace('error', 'Exception')
+	python_code = python_code.replace('"', '\'')
+	python_code = python_code.replace('\\\'', '"')
+	python_code = python_code.replace('try {', 'try:')
+	python_code = python_code.replace('true', 'True')
+	python_code = python_code.replace('false', 'False')
+	python_code = python_code.replace('catch (...', 'except')
+	# python_code = re.sub('std::string\(\'(.*)\'\)', '$1', python_code)
+	
+	return python_code
+
+
+
+# # python_code = python_code.replace('}\n', '')
+
+
+
+
+# python_code = python_code.replace('option.first', 'opt_name')
+# python_code = python_code.replace('option.second', 'opt_val')
+# python_code = python_code.replace('ged::Error', 'Exception')
+# python_code = python_code.replace('std::string(\'Invalid argument "\')', '\'Invalid argument "\'')
+
+
+# f_cpp.close()
+# f_python = open('python_code.py', 'w')
+# f_python.write(python_code)
+# f_python.close()
+
+
+def convert_function_comment(cpp_fun_cmt, param_types):
+	cpp_fun_cmt = cpp_fun_cmt.replace('\t', '')
+	cpp_fun_cmt = cpp_fun_cmt.replace('\n * ', ' ')
+	# split the input comment according to key words.
+	param_split = None
+	note = None
+	cmt_split = cpp_fun_cmt.split('@brief')[1]
+	brief = cmt_split
+	if '@param' in cmt_split:
+		cmt_split = cmt_split.split('@param')
+		brief = cmt_split[0]
+		param_split = cmt_split[1:]
+	if '@note' in cmt_split[-1]:
+		note_split = cmt_split[-1].split('@note')
+		if param_split is not None:
+			param_split.pop()
+			param_split.append(note_split[0])
+		else:
+			brief = note_split[0]
+		note = note_split[1]
+		
+	# get parameters.
+	if param_split is not None:
+		for idx, param in enumerate(param_split):
+			_, param_name, param_desc = param.split(' ', 2)
+			param_name = function_comment_strip(param_name, ' *\n\t/')
+			param_desc = function_comment_strip(param_desc, ' *\n\t/')
+			param_split[idx] = (param_name, param_desc)
+		
+	# strip comments.
+	brief = function_comment_strip(brief, ' *\n\t/')
+	if note is not None:
+		note = function_comment_strip(note, ' *\n\t/')
+		
+	# construct the Python function comment.
+	python_fun_cmt = '"""'
+	python_fun_cmt += brief + '\n'
+	if param_split is not None and len(param_split) > 0:
+		python_fun_cmt += '\nParameters\n----------'
+		for idx, param in enumerate(param_split):
+			python_fun_cmt += '\n' + param[0] + ' : ' + param_types[idx]
+			python_fun_cmt += '\n\t' + param[1] + '\n'
+	if note is not None:
+		python_fun_cmt += '\nNote\n----\n' + note + '\n'
+	python_fun_cmt += '"""'
+	
+	return python_fun_cmt
+			
+		
+def function_comment_strip(comment, bad_chars):
+	head_removed, tail_removed = False, False
+	while not head_removed or not tail_removed:
+		if comment[0] in bad_chars:
+			comment = comment[1:]
+			head_removed = False
+		else:
+			head_removed = True
+		if comment[-1] in bad_chars:
+			comment = comment[:-1]
+			tail_removed = False
+		else:
+			tail_removed = True
+			
+	return comment
+
+		
+if __name__ == '__main__':
+#  	python_code = convert_function("""
+# 		if (print_to_stdout_ == 2) {
+# 			std::cout << "\n===========================================================\n";
+# 			std::cout << "Block gradient descent for initial median " << median_pos + 1 << " of " << medians.size() << ".\n";
+# 			std::cout << "-----------------------------------------------------------\n";
+# 		}
+# 								""")
+	
+	
+ 	python_fun_cmt = convert_function_comment("""
+	/*!
+	 * @brief Returns the sum of distances.
+	 * @param[in] state The state of the estimator.
+	 * @return The sum of distances of the median when the estimator was in the state @p state during the last call to run().
+	 */
+						""", ['string', 'string'])