# -*- coding: utf-8 -*-
#
# This file is part of NINJA-IDE (http://ninja-ide.org).
#
# NINJA-IDE is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# any later version.
#
# NINJA-IDE is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with NINJA-IDE; If not, see <http://www.gnu.org/licenses/>.
from __future__ import absolute_import
from __future__ import unicode_literals
import os
import subprocess
from PyQt4.QtCore import QThread
from ninja_ide.core.file_handling import file_manager
from ninja_ide.core import settings
class MigrationTo3(QThread):
def __init__(self, editor):
QThread.__init__(self)
self._editor = editor
self._path = ''
self.checks = {}
if settings.IS_WINDOWS and settings.PYTHON_PATH_CONFIGURED_BY_USER:
tool_path = os.path.join(os.path.dirname(settings.PYTHON_PATH),
'Tools', 'Scripts', '2to3.py')
self._command = [settings.PYTHON_PATH, tool_path]
else:
self._command = ['2to3']
self.checker_icon = None
def run_checks(self):
if not self.isRunning() and settings.VALID_2TO3:
self._path = self._editor.ID
self.start()
def run(self):
self.sleep(1)
exts = settings.SYNTAX.get('python')['extension']
file_ext = file_manager.get_file_extension(self._path)
if file_ext in exts:
self.checks = {}
lineno = 0
lines_to_remove = []
lines_to_add = []
parsing_adds = False
try:
output = subprocess.check_output(self._command + [self._path])
output = output.split('\n')
except OSError:
settings.VALID_2TO3 = False
return
for line in output[2:]:
if line.startswith('+'):
lines_to_add.append(line)
parsing_adds = True
continue
if parsing_adds:
# Add in migration
removes = '\n'.join([liner
for _, liner in lines_to_remove])
adds = '\n'.join(lines_to_add)
message = self.tr(
'The actual code look like this:\n%s\n\n'
'For Python3 support should look like:\n%s' %
(removes, adds))
lineno = -1
for nro, _ in lines_to_remove:
if lineno == -1:
lineno = nro
self.checks[nro] = (message, lineno)
parsing_adds = False
lines_to_add = []
lines_to_remove = []
if line.startswith('-'):
lines_to_remove.append((lineno, line))
lineno += 1
if line.startswith('@@'):
lineno = int(line[line.index('-') + 1:line.index(',')]) - 1