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gcode_macro: fix reference issues to the variables attribute (#4925)

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Create a copy of the dictionary prior to updating the the variable field.
This fixes an issue where webhooks holds a reference to the variables
dict returned by get_status().

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
This commit is contained in:
Eric Callahan
2021-11-19 02:01:16 -05:00
committed by GitHub
parent 68c92991ed
commit 46381e03a4
1 changed files with 3 additions and 1 deletions
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4
klippy/extras/gcode_macro.py
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@@ -171,7 +171,9 @@ class GCodeMacro:
literal = ast.literal_eval(value) literal = ast.literal_eval(value)
except ValueError as e: except ValueError as e:
raise gcmd.error("Unable to parse '%s' as a literal" % (value,)) raise gcmd.error("Unable to parse '%s' as a literal" % (value,))
self.variables[variable] = literal v = dict(self.variables)
v[variable] = literal
self.variables = v
def cmd(self, gcmd): def cmd(self, gcmd):
if self.in_script: if self.in_script:
raise gcmd.error("Macro %s called recursively" % (self.alias,)) raise gcmd.error("Macro %s called recursively" % (self.alias,))