python NameError global name file is not defined

Question

When I run this code in python 2 7  I get this error   Traceback  most recent call last   File  C  Python26 Lib site-packages pyutilib subprocess-3 5 4 setup py   line 30  in  lt module gt      long description   read  README txt      File  C  Python26 Lib site-packages pyutilib subprocess-3 5 4 setup py   line 19  in read     return open os path join os path dirname   file      rnames   read   NameError  global name    file    is not defined   code is   import os from setuptools import setup   def read  rnames       return open os path join os path dirname   file      rnames   read     setup name  pyutilib subprocess       version  3 5 4       maintainer  William E  Hart       maintainer email  wehart sandia gov       url    https   software sandia gov svn public pyutilib pyutilib subprocess       license    BSD       platforms     any        description    PyUtilib utilites for managing subprocesses        long description   read  README txt        classifiers              Development Status    4 - Beta            Intended Audience    End Users Desktop            License    OSI Approved    BSD License            Natural Language    English            Operating System    Microsoft    Windows            Operating System    Unix            Programming Language    Python            Programming Language    Unix Shell            Topic    Scientific Engineering    Mathematics            Topic    Software Development    Libraries    Python Modules          packages   pyutilib    pyutilib subprocess    pyutilib subprocess tests          keywords   utility          namespace packages   pyutilib          install requires   pyutilib common    pyutilib services

User · Answer

This error comes when you append this line os.path.join(os.path.dirname(__file__)) in python interactive shell.

Python Shell doesn't detect current file path in __file__ and it's related to your filepath in which you added this line

So you should write this line os.path.join(os.path.dirname(__file__)) in file.py. and then run python file.py, It works because it takes your filepath.

User · Answer

Are you using the interactive interpreter  You can use  sys argv 0    You should read  How do I get the path of the current executed file in Python

User · Answer

You will get this if you are running the commands from the python shell    gt  gt  gt    file   Traceback  most recent call last     File   lt stdin gt    line 1  in  lt module gt  NameError  name    file    is not defined   You need to execute the file directly  by passing it in as an argument to the python command     python somefile py   In your case  it should really be python setup py install

User · Answer

I had the same problem with PyInstaller and Py2exe so I came across the resolution on the FAQ from cx-freeze   When using your script from the console or as an application  the functions hereunder will deliver you the  execution path   not the  actual file path    print os getcwd    print sys argv 0   print os path dirname os path realpath    file         Source  http   cx-freeze readthedocs org en latest faq html  Your old line  initial question    def read  rnames   return open os path join os path dirname   file      rnames   read     Substitute your line of code with the following snippet   def find data file filename       if getattr sys   frozen   False             The application is frozen         datadir   os path dirname sys executable      else            The application is not frozen           Change this bit to match where you store your data files          datadir   os path dirname   file         return os path join datadir  filename    With the above code you could add your application to the path of your os  you could execute it anywhere without the problem that your app is unable to find it s data configuration files   Tested with python    3 3 4 2 7 13

User · Answer

I m having exacty the same problem and using probably the same tutorial  The function definition   def read  rnames       return open os path join os path dirname   file      rnames   read     is buggy  since os path dirname   file    will not return what you need  Try replacing os path dirname   file    with os path dirname os path abspath   file       def read  rnames       return open os path join os path dirname os path abspath   file       rnames   read     I ve just posted Andrew that the code snippet in current docs don t work  hopefully  it ll be corrected

User · Answer

change your codes as follows  it works for me     os path dirname os path abspath    file

User · Answer

I ve run into cases where   file   doesn t work as expected  But the following hasn t failed me so far   import inspect src file path   inspect getfile lambda  None    This is the closest thing to a Python analog to C s   FILE     The behavior of Python s   file   is much different than C s   FILE    The C version will give you the original path of the source file  This is useful in logging errors and knowing which source file has the bug   Python s   file   only gives you the name of the currently executing file  which may not be very useful in log output

User · Answer

if you are using jupyter notebook like  MODEL NAME   os path basename file   -3  --------------------------------------------------------------------------- NameError                                 Traceback  most recent call last   lt ipython-input-10-f391bbbab00d gt  in  lt module gt  ---- gt  1 MODEL NAME   os path basename   file     -3   NameError  name    file    is not defined  you should place a       in front like this  MODEL NAME   os path basename   file     -3    bin bash  -c  line 0  syntax error near unexpected token      bin bash  -c  line 0   MODEL NAME   os path basename   file     -3    done

User · Answer

If all you are looking for is to get your current working directory os getcwd   will give you the same thing as os path dirname   file    as long as you have not changed the working directory elsewhere in your code   os getcwd   also works in interactive mode   So     os path join os path dirname   file     becomes     os path join os getcwd

User · Answer

If you re exec ing a file via command line  you can use this hack  import traceback  def get this filename        try          raise NotImplementedError  No error       except Exception as e          exc type  exc value  exc traceback   sys exc info           filename   traceback extract tb exc traceback  -1  filename     return filename   This worked for me in the UnrealEnginePython console  calling py exec myfile py

User · Answer

I think you can do this which get your local file path if not os path isdir f dir       os mkdirs f dir   try      approot   os path dirname os path abspath   file     except NameError      approot   os path dirname os path abspath sys argv 1        my dir  os path join approot   f dir

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