mirror of
https://github.com/PiBrewing/craftbeerpi4.git
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217 lines
7.8 KiB
Python
217 lines
7.8 KiB
Python
# Copyright (c) 2008-2010, 2013-2014 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
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# Copyright (c) 2014 Arun Persaud <arun@nubati.net>
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# Copyright (c) 2015-2018, 2020 Claudiu Popa <pcmanticore@gmail.com>
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# Copyright (c) 2015 Mike Frysinger <vapier@gentoo.org>
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# Copyright (c) 2015 Florian Bruhin <me@the-compiler.org>
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# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
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# Copyright (c) 2018, 2020 Anthony Sottile <asottile@umich.edu>
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# Copyright (c) 2018 ssolanki <sushobhitsolanki@gmail.com>
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# Copyright (c) 2019 Pierre Sassoulas <pierre.sassoulas@gmail.com>
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# Copyright (c) 2019 Kylian <development@goudcode.nl>
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# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
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"""Utilities for creating VCG and Dot diagrams"""
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from pylint.graph import DotBackend
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from pylint.pyreverse.utils import is_exception
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from pylint.pyreverse.vcgutils import VCGPrinter
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class DiagramWriter:
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"""base class for writing project diagrams
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"""
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def __init__(self, config, styles):
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self.config = config
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self.pkg_edges, self.inh_edges, self.imp_edges, self.association_edges = styles
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self.printer = None # defined in set_printer
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def write(self, diadefs):
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"""write files for <project> according to <diadefs>
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"""
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for diagram in diadefs:
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basename = diagram.title.strip().replace(" ", "_")
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file_name = "%s.%s" % (basename, self.config.output_format)
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self.set_printer(file_name, basename)
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if diagram.TYPE == "class":
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self.write_classes(diagram)
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else:
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self.write_packages(diagram)
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self.close_graph()
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def write_packages(self, diagram):
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"""write a package diagram"""
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# sorted to get predictable (hence testable) results
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for i, obj in enumerate(sorted(diagram.modules(), key=lambda x: x.title)):
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self.printer.emit_node(i, label=self.get_title(obj), shape="box")
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obj.fig_id = i
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# package dependencies
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for rel in diagram.get_relationships("depends"):
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self.printer.emit_edge(
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rel.from_object.fig_id, rel.to_object.fig_id, **self.pkg_edges
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)
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def write_classes(self, diagram):
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"""write a class diagram"""
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# sorted to get predictable (hence testable) results
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for i, obj in enumerate(sorted(diagram.objects, key=lambda x: x.title)):
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self.printer.emit_node(i, **self.get_values(obj))
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obj.fig_id = i
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# inheritance links
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for rel in diagram.get_relationships("specialization"):
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self.printer.emit_edge(
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rel.from_object.fig_id, rel.to_object.fig_id, **self.inh_edges
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)
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# implementation links
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for rel in diagram.get_relationships("implements"):
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self.printer.emit_edge(
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rel.from_object.fig_id, rel.to_object.fig_id, **self.imp_edges
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)
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# generate associations
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for rel in diagram.get_relationships("association"):
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self.printer.emit_edge(
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rel.from_object.fig_id,
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rel.to_object.fig_id,
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label=rel.name,
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**self.association_edges
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)
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def set_printer(self, file_name, basename):
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"""set printer"""
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raise NotImplementedError
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def get_title(self, obj):
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"""get project title"""
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raise NotImplementedError
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def get_values(self, obj):
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"""get label and shape for classes."""
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raise NotImplementedError
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def close_graph(self):
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"""finalize the graph"""
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raise NotImplementedError
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class DotWriter(DiagramWriter):
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"""write dot graphs from a diagram definition and a project
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"""
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def __init__(self, config):
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styles = [
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dict(arrowtail="none", arrowhead="open"),
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dict(arrowtail="none", arrowhead="empty"),
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dict(arrowtail="node", arrowhead="empty", style="dashed"),
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dict(
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fontcolor="green", arrowtail="none", arrowhead="diamond", style="solid"
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),
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]
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DiagramWriter.__init__(self, config, styles)
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def set_printer(self, file_name, basename):
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"""initialize DotWriter and add options for layout.
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"""
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layout = dict(rankdir="BT")
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self.printer = DotBackend(basename, additional_param=layout)
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self.file_name = file_name
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def get_title(self, obj):
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"""get project title"""
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return obj.title
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def get_values(self, obj):
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"""get label and shape for classes.
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The label contains all attributes and methods
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"""
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label = obj.title
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if obj.shape == "interface":
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label = "«interface»\\n%s" % label
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if not self.config.only_classnames:
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label = r"%s|%s\l|" % (label, r"\l".join(obj.attrs))
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for func in obj.methods:
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if func.args.args:
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args = [arg.name for arg in func.args.args if arg.name != "self"]
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else:
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args = []
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label = r"%s%s(%s)\l" % (label, func.name, ", ".join(args))
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label = "{%s}" % label
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if is_exception(obj.node):
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return dict(fontcolor="red", label=label, shape="record")
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return dict(label=label, shape="record")
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def close_graph(self):
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"""print the dot graph into <file_name>"""
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self.printer.generate(self.file_name)
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class VCGWriter(DiagramWriter):
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"""write vcg graphs from a diagram definition and a project
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"""
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def __init__(self, config):
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styles = [
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dict(arrowstyle="solid", backarrowstyle="none", backarrowsize=0),
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dict(arrowstyle="solid", backarrowstyle="none", backarrowsize=10),
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dict(
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arrowstyle="solid",
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backarrowstyle="none",
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linestyle="dotted",
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backarrowsize=10,
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),
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dict(arrowstyle="solid", backarrowstyle="none", textcolor="green"),
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]
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DiagramWriter.__init__(self, config, styles)
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def set_printer(self, file_name, basename):
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"""initialize VCGWriter for a UML graph"""
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self.graph_file = open(file_name, "w+")
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self.printer = VCGPrinter(self.graph_file)
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self.printer.open_graph(
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title=basename,
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layoutalgorithm="dfs",
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late_edge_labels="yes",
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port_sharing="no",
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manhattan_edges="yes",
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)
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self.printer.emit_node = self.printer.node
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self.printer.emit_edge = self.printer.edge
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def get_title(self, obj):
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"""get project title in vcg format"""
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return r"\fb%s\fn" % obj.title
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def get_values(self, obj):
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"""get label and shape for classes.
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The label contains all attributes and methods
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"""
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if is_exception(obj.node):
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label = r"\fb\f09%s\fn" % obj.title
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else:
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label = r"\fb%s\fn" % obj.title
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if obj.shape == "interface":
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shape = "ellipse"
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else:
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shape = "box"
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if not self.config.only_classnames:
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attrs = obj.attrs
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methods = [func.name for func in obj.methods]
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# box width for UML like diagram
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maxlen = max(len(name) for name in [obj.title] + methods + attrs)
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line = "_" * (maxlen + 2)
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label = r"%s\n\f%s" % (label, line)
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for attr in attrs:
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label = r"%s\n\f08%s" % (label, attr)
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if attrs:
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label = r"%s\n\f%s" % (label, line)
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for func in methods:
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label = r"%s\n\f10%s()" % (label, func)
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return dict(label=label, shape=shape)
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def close_graph(self):
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"""close graph and file"""
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self.printer.close_graph()
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self.graph_file.close()
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