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Gael Pasgrimaud committed 5e4db51

fix issue #24

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  • Parent commits 9be1bb5

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Files changed (3)

+0.8
+---
+fix issues 24
+
 0.7
 ---
 

pyquery/cssselectpatch.py

     def __init__(self, items, prefix=None):
         self.prefix = prefix = prefix or ''
         self.items = items
+        self.prefix_prepended = False
 
     def __str__(self):
-        prefix = self.prefix or ''
-        for item in self.items:
-            item.prefix = prefix
+        if not self.prefix_prepended:
+            # We cannot prepend the prefix at __init__ since it's legal to
+            # modify it after construction. And because __str__ can be called
+            # multiple times we have to take care not to prepend it twice.
+            prefix = self.prefix or ''
+            for item in self.items:
+                item.prefix = prefix+(item.prefix or '')
+            self.prefix_prepended = True
         return ' | '.join([str(i) for i in self.items])
 
 cssselect.XPathExprOr = AdvancedXPathExprOr
 
 """ % read('README', 'CHANGES')
 
-version = '0.6.1'
+version = '0.8'
 
 setup(name='pyquery',
       version=version,