使用Anaconda安装了Python，启动ipython时出现内核错误

Question

我安装了Python版本的python，并更改了路径以允许python命令在终端中工作。在

但是，当我输入ipython时，我得到以下错误。在

Traceback (most recent call last):
  File "/Users/mrbighit/anaconda/bin/ipython", line 6, in <module>
    sys.exit(start_ipython())
  File "/Users/mrbighit/anaconda/lib/python2.7/site-packages/IPython/__init__.py", line 120, in start_ipython
    return launch_new_instance(argv=argv, **kwargs)
  File "/Users/mrbighit/anaconda/lib/python2.7/site-packages/IPython/config/application.py", line 563, in launch_instance
    app.initialize(argv)
  File "<string>", line 2, in initialize
  File "/Users/mrbighit/anaconda/lib/python2.7/site-packages/IPython/config/application.py", line 92, in catch_config_error
    return method(app, *args, **kwargs)
  File "/Users/mrbighit/anaconda/lib/python2.7/site-packages/IPython/terminal/ipapp.py", line 332, in initialize
    self.init_shell()
  File "/Users/mrbighit/anaconda/lib/python2.7/site-packages/IPython/terminal/ipapp.py", line 348, in init_shell
    ipython_dir=self.ipython_dir, user_ns=self.user_ns)
  File "/Users/mrbighit/anaconda/lib/python2.7/site-packages/IPython/config/configurable.py", line 354, in instance
    inst = cls(*args, **kwargs)
  File "/Users/mrbighit/anaconda/lib/python2.7/site-packages/IPython/terminal/interactiveshell.py", line 328, in __init__
    **kwargs
  File "/Users/mrbighit/anaconda/lib/python2.7/site-packages/IPython/core/interactiveshell.py", line 465, in __init__
    self.init_history()
  File "/Users/mrbighit/anaconda/lib/python2.7/site-packages/IPython/core/interactiveshell.py", line 1521, in init_history
    self.history_manager = HistoryManager(shell=self, parent=self)
  File "/Users/mrbighit/anaconda/lib/python2.7/site-packages/IPython/core/history.py", line 498, in __init__
    self.new_session()
  File "<string>", line 2, in new_session
  File "/Users/mrbighit/anaconda/lib/python2.7/site-packages/IPython/core/history.py", line 68, in needs_sqlite
    return f(self, *a, **kw)
  File "/Users/mrbighit/anaconda/lib/python2.7/site-packages/IPython/core/history.py", line 516, in new_session
    NULL, "") """, (datetime.datetime.now(),))
OperationalError: attempt to write a readonly database

打开ipython qtconsole也会导致内核错误。我已经确定我有正确的conda列表包。在

Answer 1

打开一个普通的python REPL，运行：

from IPython.utils.path import locate_profile
locate_profile('default')

请检查您是否具有该文件夹的写入权限

Answer 2

在您的系统上查找.config/ipython/history.sqlite文件，并使用以下内容更改所有权：

sudo chown ...，root不知何故拥有该文件，这就是您看到错误的原因。在