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comparison configmix/config.py @ 477:1de6cc49776e

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Optimize .unquote() by aliasing some methods to locals and avoiding the first append call
author Franz Glasner <f.glasner@feldmann-mg.com>
date Fri, 17 Dec 2021 11:42:47 +0100
parents eddc0f7c6271
children ff8a9a7c6a93
comparison
equal deleted inserted replaced
476:eddc0f7c6271 477:1de6cc49776e
734 This is the inverse of :meth:`~.quote`. 734 This is the inverse of :meth:`~.quote`.
735 735
736 """ 736 """
737 if klass._QUOTE not in s: 737 if klass._QUOTE not in s:
738 return s 738 return s
739 res = []
740 parts = s.split(klass._QUOTE) 739 parts = s.split(klass._QUOTE)
741 res.append(parts[0]) 740 res = [parts[0]]
741 res_append = res.append
742 for p in parts[1:]: 742 for p in parts[1:]:
743 if p.startswith(u(b'x')): 743 if p.startswith(u(b'x')):
744 if len(p) < 3: 744 if len(p) < 3:
745 raise ValueError("quote syntax: length too small") 745 raise ValueError("quote syntax: length too small")
746 res.append(uchr(int(p[1:3], 16))) 746 res_append(uchr(int(p[1:3], 16)))
747 res.append(p[3:]) 747 res_append(p[3:])
748 elif p.startswith(u(b'u')): 748 elif p.startswith(u(b'u')):
749 if len(p) < 5: 749 if len(p) < 5:
750 raise ValueError("quote syntax: length too small") 750 raise ValueError("quote syntax: length too small")
751 res.append(uchr(int(p[1:5], 16))) 751 res_append(uchr(int(p[1:5], 16)))
752 res.append(p[5:]) 752 res_append(p[5:])
753 elif p.startswith(u(b'U')): 753 elif p.startswith(u(b'U')):
754 if len(p) < 9: 754 if len(p) < 9:
755 raise ValueError("quote syntax: length too small") 755 raise ValueError("quote syntax: length too small")
756 res.append(uchr(int(p[1:9], 16))) 756 res_append(uchr(int(p[1:9], 16)))
757 res.append(p[9:]) 757 res_append(p[9:])
758 else: 758 else:
759 raise ValueError("unknown quote syntax string: {}".format(s)) 759 raise ValueError("unknown quote syntax string: {}".format(s))
760 return ''.join(res) 760 return ''.join(res)
761 761
762 def jailed(self, rootpath=None, root=None, bind_root=True): 762 def jailed(self, rootpath=None, root=None, bind_root=True):