[Docutils-develop] [PATCH 1/8] Node.copy: don't forget to also setup .document/.source/.line in duplicate

[Kirill S. <ki...@mn...>]

Spot this by debugging Substitute transformation which does .deepcopy()
to substitute definitions.

This will be needed in the next patch, where I'll be teaching Inliner to
propagate .line for `inline' elements.
---
 docutils/docutils/nodes.py |   23 +++++++++++++++++++----
 1 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/docutils/docutils/nodes.py b/docutils/docutils/nodes.py
index a68b545..804a98b 100644
--- a/docutils/docutils/nodes.py
+++ b/docutils/docutils/nodes.py
@@ -363,7 +363,11 @@ class Text(Node, reprunicode):
     # an infinite loop
 
     def copy(self):
-        return self.__class__(reprunicode(self), rawsource=self.rawsource)
+        obj = self.__class__(reprunicode(self), rawsource=self.rawsource)
+        obj.document = self.document
+        obj.source = self.source
+        obj.line = self.line
+        return obj
 
     def deepcopy(self):
         return self.copy()
@@ -742,7 +746,11 @@ class Element(Node):
                         for child in self.children])
 
     def copy(self):
-        return self.__class__(**self.attributes)
+        obj = self.__class__(**self.attributes)
+        obj.document = self.document
+        obj.source = self.source
+        obj.line = self.line
+        return obj
 
     def deepcopy(self):
         copy = self.copy()
@@ -1193,8 +1201,11 @@ class document(Root, Structural, Element):
             self.current_line = offset + 1
 
     def copy(self):
-        return self.__class__(self.settings, self.reporter,
+        obj = self.__class__(self.settings, self.reporter,
                               **self.attributes)
+        obj.source = self.source
+        obj.line = self.line
+        return obj
 
     def get_decoration(self):
         if not self.decoration:
@@ -1472,8 +1483,12 @@ class pending(Special, Invisible, Element):
                            for line in internals]))
 
     def copy(self):
-        return self.__class__(self.transform, self.details, self.rawsource,
+        obj = self.__class__(self.transform, self.details, self.rawsource,
                               **self.attributes)
+        obj.document = self.document
+        obj.source = self.source
+        obj.line = self.line
+        return obj
 
 
 class raw(Special, Inline, PreBibliographic, FixedTextElement):
-- 
1.7.0.91.g9803