---------------------------------------------------------------------------
FileNotFoundError Traceback (most recent call last)
File D:\Anaconda3\lib\site-packages\graphviz\backend\execute.py:76, in run_check(cmd, input_lines, encoding, quiet, **kwargs)
75 kwargs['stdout'] = kwargs['stderr'] = subprocess.PIPE
---> 76 proc = _run_input_lines(cmd, input_lines, kwargs=kwargs)
77 else:
File D:\Anaconda3\lib\site-packages\graphviz\backend\execute.py:96, in _run_input_lines(cmd, input_lines, kwargs)
95 def _run_input_lines(cmd, input_lines, *, kwargs):
---> 96 popen = subprocess.Popen(cmd, stdin=subprocess.PIPE, **kwargs)
98 stdin_write = popen.stdin.write
File D:\Anaconda3\lib\subprocess.py:971, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize)
968 self.stderr = io.TextIOWrapper(self.stderr,
969 encoding=encoding, errors=errors)
--> 971 self._execute_child(args, executable, preexec_fn, close_fds,
972 pass_fds, cwd, env,
973 startupinfo, creationflags, shell,
974 p2cread, p2cwrite,
975 c2pread, c2pwrite,
976 errread, errwrite,
977 restore_signals,
978 gid, gids, uid, umask,
979 start_new_session)
980 except:
981 # Cleanup if the child failed starting.
File D:\Anaconda3\lib\subprocess.py:1440, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, unused_restore_signals, unused_gid, unused_gids, unused_uid, unused_umask, unused_start_new_session)
1439 try:
-> 1440 hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
1441 # no special security
1442 None, None,
1443 int(not close_fds),
1444 creationflags,
1445 env,
1446 cwd,
1447 startupinfo)
1448 finally:
1449 # Child is launched. Close the parent's copy of those pipe
1450 # handles that only the child should have open. You need
(...)
1453 # pipe will not close when the child process exits and the
1454 # ReadFile will hang.
FileNotFoundError: [WinError 2] 系统找不到指定的文件。
The above exception was the direct cause of the following exception:
ExecutableNotFound Traceback (most recent call last)
File D:\Anaconda3\lib\site-packages\IPython\core\formatters.py:972, in MimeBundleFormatter.__call__(self, obj, include, exclude)
969 method = get_real_method(obj, self.print_method)
971 if method is not None:
--> 972 return method(include=include, exclude=exclude)
973 return None
974 else:
File D:\Anaconda3\lib\site-packages\graphviz\jupyter_integration.py:98, in JupyterIntegration._repr_mimebundle_(self, include, exclude, **_)
96 include = set(include) if include is not None else {self._jupyter_mimetype}
97 include -= set(exclude or [])
---> 98 return {mimetype: getattr(self, method_name)()
99 for mimetype, method_name in MIME_TYPES.items()
100 if mimetype in include}
File D:\Anaconda3\lib\site-packages\graphviz\jupyter_integration.py:98, in <dictcomp>(.0)
96 include = set(include) if include is not None else {self._jupyter_mimetype}
97 include -= set(exclude or [])
---> 98 return {mimetype: getattr(self, method_name)()
99 for mimetype, method_name in MIME_TYPES.items()
100 if mimetype in include}
File D:\Anaconda3\lib\site-packages\graphviz\jupyter_integration.py:112, in JupyterIntegration._repr_image_svg_xml(self)
110 def _repr_image_svg_xml(self) -> str:
111 """Return the rendered graph as SVG string."""
--> 112 return self.pipe(format='svg', encoding=SVG_ENCODING)
File D:\Anaconda3\lib\site-packages\graphviz\piping.py:104, in Pipe.pipe(self, format, renderer, formatter, neato_no_op, quiet, engine, encoding)
55 def pipe(self,
56 format: typing.Optional[str] = None,
57 renderer: typing.Optional[str] = None,
(...)
61 engine: typing.Optional[str] = None,
62 encoding: typing.Optional[str] = None) -> typing.Union[bytes, str]:
63 """Return the source piped through the Graphviz layout command.
64
65 Args:
(...)
102 '<?xml version='
103 """
--> 104 return self._pipe_legacy(format,
105 renderer=renderer,
106 formatter=formatter,
107 neato_no_op=neato_no_op,
108 quiet=quiet,
109 engine=engine,
110 encoding=encoding)
File D:\Anaconda3\lib\site-packages\graphviz\_tools.py:185, in deprecate_positional_args.<locals>.decorator.<locals>.wrapper(*args, **kwargs)
177 wanted = ', '.join(f'{name}={value!r}'
178 for name, value in deprecated.items())
179 warnings.warn(f'The signature of {func_name} will be reduced'
180 f' to {supported_number} positional arg{s_}{qualification}'
181 f' {list(supported)}: pass {wanted} as keyword arg{s_}',
182 stacklevel=stacklevel,
183 category=category)
--> 185 return func(*args, **kwargs)
File D:\Anaconda3\lib\site-packages\graphviz\piping.py:121, in Pipe._pipe_legacy(self, format, renderer, formatter, neato_no_op, quiet, engine, encoding)
112 @_tools.deprecate_positional_args(supported_number=1, ignore_arg='self')
113 def _pipe_legacy(self,
114 format: typing.Optional[str] = None,
(...)
119 engine: typing.Optional[str] = None,
120 encoding: typing.Optional[str] = None) -> typing.Union[bytes, str]:
--> 121 return self._pipe_future(format,
122 renderer=renderer,
123 formatter=formatter,
124 neato_no_op=neato_no_op,
125 quiet=quiet,
126 engine=engine,
127 encoding=encoding)
File D:\Anaconda3\lib\site-packages\graphviz\piping.py:149, in Pipe._pipe_future(self, format, renderer, formatter, neato_no_op, quiet, engine, encoding)
146 if encoding is not None:
147 if codecs.lookup(encoding) is codecs.lookup(self.encoding):
148 # common case: both stdin and stdout need the same encoding
--> 149 return self._pipe_lines_string(*args, encoding=encoding, **kwargs)
150 try:
151 raw = self._pipe_lines(*args, input_encoding=self.encoding, **kwargs)
File D:\Anaconda3\lib\site-packages\graphviz\backend\piping.py:212, in pipe_lines_string(engine, format, input_lines, encoding, renderer, formatter, neato_no_op, quiet)
206 cmd = dot_command.command(engine, format,
207 renderer=renderer,
208 formatter=formatter,
209 neato_no_op=neato_no_op)
210 kwargs = {'input_lines': input_lines, 'encoding': encoding}
--> 212 proc = execute.run_check(cmd, capture_output=True, quiet=quiet, **kwargs)
213 return proc.stdout
File D:\Anaconda3\lib\site-packages\graphviz\backend\execute.py:81, in run_check(cmd, input_lines, encoding, quiet, **kwargs)
79 except OSError as e:
80 if e.errno == errno.ENOENT:
---> 81 raise ExecutableNotFound(cmd) from e
82 raise
84 if not quiet and proc.stderr:
ExecutableNotFound: failed to execute WindowsPath('dot'), make sure the Graphviz executables are on your systems' PATH
<graphviz.graphs.Digraph at 0x1e348e17940>
博客主要围绕解决“FileNotFoundError: [Errno 2] 'dot' not found in path”这一错误展开，虽未提及具体解决方法，但核心是针对该文件路径未找到的问题进行处理。
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