mirror of
https://github.com/gryf/pylint-vim.git
synced 2025-12-18 12:00:19 +01:00
79 lines
2.1 KiB
Python
79 lines
2.1 KiB
Python
"""
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Get pylint oputput on current buffer
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"""
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import sys
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import re
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try:
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from StringIO import StringIO
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except ImportError:
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from io import StringIO
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try:
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from pylint import lint
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from pylint.reporters.text import TextReporter
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except ImportError:
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lint = None
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import vim
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class VImPylint(object):
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"""Vim pylint interface"""
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sys_stderr = sys.stderr
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dummy_stderr = StringIO()
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conf_msg = 'No config file found, using default configuration\n'
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@classmethod
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def run(self):
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"""execute pylint and fill the quickfix"""
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if not lint:
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vim.command("echo 'Error: pylint_fm.vim requires module pylint'")
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return
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# clear QF window
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vim.command('call setqflist([])')
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# args
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args = ['-rn', # display only the messages instead of full report
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vim.current.buffer.name]
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buf = StringIO() # file-like buffer, instead of stdout
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reporter = TextReporter(buf)
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sys.stderr = self.dummy_stderr
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lint.Run(args, reporter=reporter, exit=False)
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sys.stderr = self.sys_stderr
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self.dummy_stderr.seek(0)
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error_list = self.dummy_stderr.readlines()
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self.dummy_stderr.truncate(0)
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if error_list and self.conf_msg in error_list:
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error_list.remove(self.conf_msg)
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if error_list:
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raise Exception(''.join(error_list))
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buf.seek(0)
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bufnr = vim.current.buffer.number
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error_list = []
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error_re = re.compile(r'^(?P<type>[C,R,W,E,F]):\s+?'
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r'(?P<lnum>[0-9]+),\s+?'
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r'(?P<col>[0-9]+):\s'
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r'(?P<text>.*)$')
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for line in buf:
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line = line.rstrip() # remove trailing newline character
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error_line = error_re.match(line)
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if error_line:
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error_line = error_line.groupdict()
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error_line["bufnr"] = bufnr
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error_list.append(error_line)
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vim.command('call setqflist(%s)' % str(error_list))
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if error_list:
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vim.command('copen')
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