diff options
Diffstat (limited to 'astroid/nodes/node_ng.py')
| -rw-r--r-- | astroid/nodes/node_ng.py | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/astroid/nodes/node_ng.py b/astroid/nodes/node_ng.py index e21a2808..64611aba 100644 --- a/astroid/nodes/node_ng.py +++ b/astroid/nodes/node_ng.py @@ -446,15 +446,21 @@ class NodeNG: # single node, and they rarely get looked at @cached_property - def fromlineno(self) -> int | None: - """The first line that this node appears on in the source code.""" + def fromlineno(self) -> int: + """The first line that this node appears on in the source code. + + Can also return 0 if the line can not be determined. + """ if self.lineno is None: return self._fixed_source_line() return self.lineno @cached_property - def tolineno(self) -> int | None: - """The last line that this node appears on in the source code.""" + def tolineno(self) -> int: + """The last line that this node appears on in the source code. + + Can also return 0 if the line can not be determined. + """ if self.end_lineno is not None: return self.end_lineno if not self._astroid_fields: @@ -466,10 +472,11 @@ class NodeNG: return self.fromlineno return last_child.tolineno - def _fixed_source_line(self) -> int | None: + def _fixed_source_line(self) -> int: """Attempt to find the line that this node appears on. We need this method since not all nodes have :attr:`lineno` set. + Will return 0 if the line number can not be determined. """ line = self.lineno _node = self @@ -482,7 +489,7 @@ class NodeNG: while parent and line is None: line = parent.lineno parent = parent.parent - return line + return line or 0 def block_range(self, lineno): """Get a range from the given line number to where this node ends. |