Syntax Error on print('hello', end='')

[arturhoo]

Hi there,

The valid python3 syntax below:

print('hello', end='')

generates a E901 SyntaxError: invalid syntax. I believe this could be somehow related to #66. Cheers

PS.: I'm on Sublime 3 on OS X, plugin version 2.3.2

[dreadatour]

Hi! Which Python interpreter do you use? Could you, please, turn on "debug" mode in plugin settings and provide me debug output?

[arturhoo]

I'm using python 3.4.3. Here is the debug log:

[Flake8Lint DEBUG] run lint by 'on_post_save' hook
[Flake8Lint DEBUG] run flake8 lint
[Flake8Lint DEBUG] ignore file patterns: []
[Flake8Lint DEBUG] python interpreter: auto
[Flake8Lint DEBUG] interpreter is external
[Flake8Lint DEBUG] guess interpreter: 'python'
[Flake8Lint DEBUG] linter file: /Users/artur/Library/Application Support/Sublime Text 3/Packages/Python Flake8 Lint/lint.py
[Flake8Lint DEBUG] interpreter is external
[Flake8Lint DEBUG] lint time: 0.207ms
[Flake8Lint DEBUG] lint errors found: 1
[Flake8Lint DEBUG] 'select' setting: []
[Flake8Lint DEBUG] 'ignore' setting: []
[Flake8Lint DEBUG] 'is_highlight' setting: True
[Flake8Lint DEBUG] 'is_popup' setting: True
[Flake8Lint DEBUG] prepare flake8 lint errors
[Flake8Lint DEBUG] error to show: (48, 19, 'E901 SyntaxError: invalid syntax')
[Flake8Lint DEBUG] show flake8 lint errors
[Flake8Lint DEBUG] highlight errors in view (regions: error)
[Flake8Lint DEBUG] show popup window with errors
[Flake8Lint DEBUG] close errors popup window

[dreadatour]

@arturhoo I think plugin could use python 2.x (this is default python in OS X). This strings tells plugin used default OS X python:

[Flake8Lint DEBUG] guess interpreter: 'python'
[Flake8Lint DEBUG] interpreter is external

Could, you, please, show me an output of python -V command? This is mine:

➜ python -V
Python 2.7.6

I should add this info to debug output later.

[arturhoo]

I didn't quite understand what you meant. My python version is 3.4.3

~ $ python -V                                                                                                                                        [2.2.1]
Python 3.4.3

I should emphasise that the syntax I mentioned above is only valid in Python3:

~ $ python                                                                                                                                           [2.2.1]
Python 3.4.3 (default, Mar 11 2015, 15:24:35)
[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.57)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> print('hello', end='')
hello>>>

~ $ python                                                                                                                                           [2.2.1]
Python 2.7.9 (default, Mar 11 2015, 15:24:06)
[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.57)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> print('hello', end='')
  File "<stdin>", line 1
    print('hello', end='')
                      ^
SyntaxError: invalid syntax

[dreadatour]

I should emphasise that the syntax I mentioned above is only valid in Python3

Yes, that's that I'm talking about :) Flake8Lint plugin takes system python and use it to lint your code. I am sure it takes Python 2.x, not python 3.x, because OS X use Python 2.x by default, and that is why I asks you to provide me an output of python -V command (in clean terminal console, without any virtualenv's or whatever), because Flake8Lint use exactly this command: python to run linter.

Ok, let's go another way. Could you, please, set correct full path to your Python 3 interpreter in your project config? Here is the link to documentation about project options: https://github.com/dreadatour/Flake8Lint#project-flake8-config

Or you could setup python interpreter for all your projects in plugin config (option python_interpreter): https://github.com/dreadatour/Flake8Lint#plugin-config

I am sure problem will disappear then you will setup correct python interpreter, because right now plugin uses Python 2.x to lint your Python 3.x code.

[amars405]

The reason geany is showing syntax error for print("hello",end="") cause by default it uses python 2.7 and in python 2.7 (end=" ") is not available so to solve this issue you have to change python 2.7 to python 3 manually to do that follow given step:

1. In geany select build option from the toolbar
2. After that when it shows many options select set Build command
   3)Then after a new window will pop up then from python command on compile change python -m py_compile "%f" to python3 -m py_compile "%f"
   4)Then from execute command change python "%f" to python3 "%f"
   problem solved.
   you can also use python3.latest_version (3.7) to use all latest features of python.
   I hope this will help you.