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Renderers: Fix the pretty renderer when no rows are emitted

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This commit is contained in:
Mike Auty
2020-08-03 19:40:58 +01:00
parent a339fd0783
commit fb1901ea89
1 changed files with 4 additions and 6 deletions
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volatility/cli/text_renderer.py
+4 -6
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@@ -69,7 +69,6 @@ def multitypedata_as_text(value: format_hints.MultiTypeData) -> str:
def optional(func):
@wraps(func)
def wrapped(x: Any) -> str:
if isinstance(x, interfaces.renderers.BaseAbsentValue):
@@ -83,7 +82,6 @@ def optional(func):
def quoted_optional(func):
@wraps(func)
def wrapped(x: Any) -> str:
result = optional(func)(x)
@@ -266,7 +264,7 @@ class PrettyTextRenderer(CLIRenderer):
max_column_widths = dict([(column.name, len(column.name)) for column in grid.columns])
def visitor(
node, accumulator: List[Tuple[int, Dict[interfaces.renderers.Column, bytes]]]
node, accumulator: List[Tuple[int, Dict[interfaces.renderers.Column, bytes]]]
) -> List[Tuple[int, Dict[interfaces.renderers.Column, bytes]]]:
# Nodes always have a path value, giving them a path_depth of at least 1, we use max just in case
max_column_widths[tree_indent_column] = max(max_column_widths.get(tree_indent_column, 0), node.path_depth)
@@ -288,7 +286,7 @@ class PrettyTextRenderer(CLIRenderer):
grid.visit(node = None, function = visitor, initial_accumulator = final_output)
# Always align the tree to the left
format_string_list = ["{0:<" + str(max_column_widths[tree_indent_column]) + "s}"]
format_string_list = ["{0:<" + str(max_column_widths.get(tree_indent_column, 0)) + "s}"]
for column_index in range(len(grid.columns)):
column = grid.columns[column_index]
format_string_list.append("{" + str(column_index + 1) + ":" + display_alignment +
@@ -327,8 +325,8 @@ class JsonRenderer(CLIRenderer):
final_output = ({}, [])
def visitor(
node: Optional[interfaces.renderers.TreeNode],
accumulator: Tuple[Dict[str, Dict[str, Any]], List[Dict[str, Any]]],
node: Optional[interfaces.renderers.TreeNode],
accumulator: Tuple[Dict[str, Dict[str, Any]], List[Dict[str, Any]]]
) -> Tuple[Dict[str, Dict[str, Any]], List[Dict[str, Any]]]:
# Nodes always have a path value, giving them a path_depth of at least 1, we use max just in case
acc_map, final_tree = accumulator