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Copy pathenvironment.py
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248 lines (175 loc) · 5.88 KB
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""" Define interfaces. """
from __future__ import print_function
import vim
import json
import time
import os.path
from .utils import PY2
class VimPymodeEnviroment(object):
""" Vim User interface. """
prefix = '[Pymode]'
def __init__(self):
self.current = vim.current
self.options = dict(encoding=vim.eval('&enc'))
self.options['debug'] = self.var('g:pymode_debug', True)
@property
def curdir(self):
""" Return current working directory. """
return self.var('getcwd()')
@property
def curbuf(self):
""" Return current buffer. """
return self.current.buffer
@property
def cursor(self):
""" Return current window position.
:return tuple: (row, col)
"""
return self.current.window.cursor
@property
def source(self):
""" Return source of current buffer. """
return "\n".join(self.lines)
@property
def lines(self):
""" Iterate by lines in current file.
:return list:
"""
if not PY2:
return self.curbuf
return [l.decode(self.options.get('encoding')) for l in self.curbuf]
def var(self, name, to_bool=False):
""" Get vim variable.
:return vimobj:
"""
value = vim.eval(name)
if to_bool:
try:
value = bool(int(value))
except ValueError:
value = value
return value
def message(self, msg, history=False):
""" Show message to user.
:return: :None
"""
if history:
return vim.command('echom "%s"' % str(msg))
return vim.command('call pymode#wide_message("%s")' % str(msg))
def user_input(self, msg, default=''):
""" Return user input or default.
:return str:
"""
msg = '%s %s ' % (self.prefix, msg)
if default != '':
msg += '[%s] ' % default
try:
vim.command('echohl Debug')
input_str = vim.eval('input("%s> ")' % msg)
vim.command('echohl none')
except KeyboardInterrupt:
input_str = ''
return input_str or default
def user_confirm(self, msg, yes=False):
""" Get user confirmation.
:return bool:
"""
default = 'yes' if yes else 'no'
action = self.user_input(msg, default)
return action and 'yes'.startswith(action)
def user_input_choices(self, msg, *options):
""" Get one of many options.
:return str: A choosen option
"""
choices = ['%s %s' % (self.prefix, msg)]
choices += [
"%s. %s" % (num, opt) for num, opt in enumerate(options, 1)]
try:
input_str = int(
vim.eval('inputlist(%s)' % self.prepare_value(choices)))
except (KeyboardInterrupt, ValueError):
input_str = 0
if not input_str:
self.message('Cancelled!')
return False
try:
return options[input_str - 1]
except (IndexError, ValueError):
self.error('Invalid option: %s' % input_str)
return self.user_input_choices(msg, *options)
def error(self, msg):
""" Show error to user. """
vim.command('call pymode#error("%s")' % str(msg))
def debug(self, msg, *args):
""" Print debug information. """
if self.options.get('debug'):
print("%s %s [%s]" % (
int(time.time()), msg, ', '.join([str(a) for a in args])))
def stop(self, value=None):
""" Break Vim function. """
cmd = 'return'
if not value is None:
cmd += ' ' + self.prepare_value(value)
vim.command(cmd)
def catch_exceptions(self, func):
""" Decorator. Make execution more silence.
:return func:
"""
def _wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except (Exception, vim.error) as e: # noqa
if self.options.get('debug'):
raise
self.error(e)
return None
return _wrapper
def run(self, name, *args):
""" Run vim function. """
vim.command('call %s(%s)' % (name, ", ".join([
self.prepare_value(a) for a in args
])))
def let(self, name, value):
""" Set variable. """
cmd = 'let %s = %s' % (name, self.prepare_value(value))
self.debug(cmd)
vim.command(cmd)
def prepare_value(self, value, dumps=True):
""" Decode bstr to vim encoding.
:return unicode string:
"""
if dumps:
value = json.dumps(value)
if PY2:
value = value.decode('utf-8').encode(self.options.get('encoding'))
return value
def get_offset_params(self, cursor=None, base=""):
""" Calculate current offset.
:return tuple: (source, offset)
"""
row, col = cursor or env.cursor
source = ""
offset = 0
for i, line in enumerate(self.lines, 1):
if i == row:
source += line[:col] + base
offset = len(source)
source += line[col:]
else:
source += line
source += '\n'
env.debug('Get offset', base or None, row, col, offset)
return source, offset
def goto_line(self, line):
""" Go to line. """
vim.command('normal %sggzz' % line)
def goto_file(self, path, cmd='e', force=False):
""" Function description. """
if force or os.path.abspath(path) != self.curbuf.name:
self.debug('read', path)
vim.command("%s %s" % (cmd, path))
def goto_buffer(self, bufnr):
""" Open buffer. """
if str(bufnr) != '-1':
vim.command('buffer %s' % bufnr)
env = VimPymodeEnviroment()