diff options
Diffstat (limited to 'bs4/element.py')
| -rw-r--r-- | bs4/element.py | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/bs4/element.py b/bs4/element.py index 3c32c17..2ea68b3 100644 --- a/bs4/element.py +++ b/bs4/element.py @@ -215,6 +215,10 @@ class PageElement(object): previousSibling = _alias("previous_sibling") # BS3 def replace_with(self, replace_with): + if not self.parent: + raise ValueError( + "Cannot replace one element with another when the" + "element to be replaced is not part of a tree.") if replace_with is self: return if replace_with is self.parent: @@ -228,6 +232,10 @@ class PageElement(object): def unwrap(self): my_parent = self.parent + if not self.parent: + raise ValueError( + "Cannot replace an element with its contents when that" + "element is not part of a tree.") my_index = self.parent.index(self) self.extract() for child in reversed(self.contents[:]): @@ -667,7 +675,8 @@ class NavigableString(unicode, PageElement): """ if isinstance(value, unicode): return unicode.__new__(cls, value) - return unicode.__new__(cls, value, DEFAULT_OUTPUT_ENCODING) + u = unicode.__new__(cls, value, DEFAULT_OUTPUT_ENCODING) + u.setup() def __copy__(self): return self |