在尝试在Python3脚本中使用objectpath数小时后,我做了以下简单的实验:
>>> from objectpath import *
>>> tree=Tree({"a":1})
>>> tree.execute("$.a")
预期产量:1
python成功(2)
^{pr2}$Python3出错:
我安装的Python3有什么问题吗? P3中的objectpath既不能在脚本中工作,也不能在控制台上工作
$ python3
Python 3.6.7 (default, Oct 22 2018, 11:32:17)
[GCC 8.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from objectpath import *
>>> tree=Tree({"a":1})
>>> tree.execute("$.a")
Traceback (most recent call last):
File "/home/lisa/.local/lib/python3.6/site-
packages/objectpath/core/parser.py", line 398, in tokenize_python
yield type_map[t[0]], t[1]
KeyError: 4
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/lisa/.local/lib/python3.6/site-
packages/objectpath/core/interpreter.py", line 605, in execute
tree=self.compile(expr)
File "/home/lisa/.local/lib/python3.6/site-
packages/objectpath/core/interpreter.py", line 38, in compile
ret=EXPR_CACHE[expr]=parse(expr,self.D)
File "/home/lisa/.local/lib/python3.6/site-
packages/objectpath/core/parser.py", line 464, in parse
r=expression().getTree()
File "/home/lisa/.local/lib/python3.6/site-
packages/objectpath/core/parser.py", line 449, in expression
left=t.led(left)
File "/home/lisa/.local/lib/python3.6/site-
packages/objectpath/core/parser.py", line 264, in led
advance()
File "/home/lisa/.local/lib/python3.6/site-
packages/objectpath/core/parser.py", line 161, in advance
token=nextToken()
File "/home/lisa/.local/lib/python3.6/site-
packages/objectpath/core/parser.py", line 413, in tokenize
for ID, value in source:
File "/home/lisa/.local/lib/python3.6/site-
packages/objectpath/core/parser.py", line 405, in tokenize_python
raise SyntaxError("Syntax error")
要在python3.x中运行这个,您应该
pip3 install objectpath
,否则它将无法工作。在请参见下面我如何运行您的代码:
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