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"""ropevim, a vim mode for using rope refactoring library"""
import glob
import os
import tempfile
import re
from ropemode import decorators
from ropemode import environment
from ropemode import interface
import vim
# Gobal var to be able to shutup output
_rope_quiet = False
class VimUtils(environment.Environment):
def __init__(self, *args, **kwargs):
super(VimUtils, self).__init__(*args, **kwargs)
self.completeopt = vim.eval('&completeopt')
self.preview = 'preview' in self.completeopt
def ask(self, prompt, default=None, starting=None):
if starting is None:
starting = ''
if default is not None:
prompt = prompt + '[{0}] '.format(default)
result = call('input("{0}", "{1}")'.format(prompt, starting))
if default is not None and result == '':
return default
return result
def ask_values(self, prompt, values, default=None,
starting=None, show_values=None):
if show_values or (show_values is None and len(values) < 14):
self._print_values(values)
if default is not None:
prompt = prompt + '[{0}] '.format(default)
starting = starting or ''
_completer.values = values
answer = call(
'input("{0}", "{1}", "customlist,RopeValueCompleter")'.format(
prompt, starting
)
)
if answer is None:
if 'cancel' in values:
return 'cancel'
return
if default is not None and not answer:
return default
if answer.isdigit() and 0 <= int(answer) < len(values):
return values[int(answer)]
return answer
def _print_values(self, values):
numbered = []
for index, value in enumerate(values):
numbered.append('%s. %s' % (index, str(value)))
echo('\n'.join(numbered) + '\n')
def ask_directory(self, prompt, default=None, starting=None):
return call('input("{0}", ".", "dir")'.format(prompt))
def _update_proposals(self, values):
self.completeopt = vim.eval('&completeopt')
self.preview = 'preview' in self.completeopt
if not self.get('extended_complete'):
return u','.join(u"'{0}'".format(self._completion_text(proposal))
for proposal in values)
return u','.join(self._extended_completion(proposal)
for proposal in values)
def _command(self, command, encode=False):
if encode:
command = command.encode(self._get_encoding())
vim.command(command)
def ask_completion(self, prompt, values, starting=None):
if self.get('vim_completion') and 'i' in call('mode()'):
proposals = self._update_proposals(values)
col = int(call('col(".")'))
if starting:
col -= len(starting)
self._command(u'call complete({0}, [{1}])'.format(col, proposals),
encode=True)
return None
return self.ask_values(prompt, values, starting=starting,
show_values=False)
def message(self, message):
echo(message)
def yes_or_no(self, prompt):
return self.ask_values(prompt, ['yes', 'no']) == 'yes'
def y_or_n(self, prompt):
return self.yes_or_no(prompt)
def get(self, name, default=None):
vimname = 'g:pymode_rope_{0}'.format(name)
if str(vim.eval('exists("{0}")'.format(vimname))) == '0':
return default
result = vim.eval(vimname)
if isinstance(result, str) and result.isdigit():
return int(result)
return result
def get_offset(self):
result = self._position_to_offset(*self.cursor)
return result
@staticmethod
def _get_encoding():
return vim.eval('&encoding') or 'utf-8'
def _encode_line(self, line):
return line.encode(self._get_encoding())
def _decode_line(self, line):
return line.decode(self._get_encoding())
def _position_to_offset(self, lineno, colno):
result = min(colno, len(self.buffer[lineno - 1]) + 1)
for line in self.buffer[:lineno - 1]:
line = self._decode_line(line)
result += len(line) + 1
return result
def get_text(self):
return self._decode_line('\n'.join(self.buffer)) + u'\n'
def get_region(self):
start = self._position_to_offset(*self.buffer.mark('<'))
end = self._position_to_offset(*self.buffer.mark('>'))
return start, end
@property
def buffer(self):
return vim.current.buffer
def _get_cursor(self):
lineno, col = vim.current.window.cursor
line = self._decode_line(vim.current.line[:col])
col = len(line)
return (lineno, col)
def _set_cursor(self, cursor):
lineno, col = cursor
line = self._decode_line(vim.current.line)
line = self._encode_line(line[:col])
col = len(line)
vim.current.window.cursor = (lineno, col)
cursor = property(_get_cursor, _set_cursor)
@staticmethod
def get_cur_dir():
return vim.eval('getcwd()')
def filename(self):
return self.buffer.name
def is_modified(self):
return vim.eval('&modified')
def goto_line(self, lineno):
self.cursor = (lineno, 0)
def insert_line(self, line, lineno):
self.buffer[lineno - 1:lineno - 1] = [line]
def insert(self, text):
lineno, colno = self.cursor
line = self.buffer[lineno - 1]
self.buffer[lineno - 1] = line[:colno] + text + line[colno:]
self.cursor = (lineno, colno + len(text))
def delete(self, start, end):
lineno1, colno1 = self._offset_to_position(start - 1)
lineno2, colno2 = self._offset_to_position(end - 1)
lineno, colno = self.cursor
if lineno1 == lineno2:
line = self.buffer[lineno1 - 1]
self.buffer[lineno1 - 1] = line[:colno1] + line[colno2:]
if lineno == lineno1 and colno >= colno1:
diff = colno2 - colno1
self.cursor = (lineno, max(0, colno - diff))
def _offset_to_position(self, offset):
text = self.get_text()
lineno = text.count('\n', 0, offset) + 1
try:
colno = offset - text.rindex('\n', 0, offset) - 1
except ValueError:
colno = offset
return lineno, colno
def filenames(self):
result = []
for buffer in vim.buffers:
if buffer.name:
result.append(buffer.name)
return result
def save_files(self, filenames):
vim.command('wall')
def reload_files(self, filenames, moves={}):
initial = self.filename()
for filename in filenames:
self.find_file(moves.get(filename, filename), force=True)
if initial:
self.find_file(initial)
def find_file(self, filename, readonly=False, other=False, force=False):
if filename != self.filename() or force:
if other:
vim.command(other)
filename = '\\ '.join(s.rstrip() for s in filename.split())
vim.command('e %s' % filename)
if readonly:
vim.command('set nomodifiable')
def create_progress(self, name):
return VimProgress(name)
def current_word(self):
return vim.eval('expand("<cword>")')
def push_mark(self):
vim.command('mark `')
def prefix_value(self, prefix):
return prefix
def show_occurrences(self, locations):
self._quickfixdefs(locations)
vim.command('cwindow')
def _quickfixdefs(self, locations):
filename = os.path.join(tempfile.gettempdir(), tempfile.mktemp())
try:
self._writedefs(locations, filename)
vim.command('let old_errorfile = &errorfile')
vim.command('let old_errorformat = &errorformat')
vim.command('set errorformat=%f:%l:\ %m')
vim.command('cfile ' + filename)
vim.command('let &errorformat = old_errorformat')
vim.command('let &errorfile = old_errorfile')
finally:
os.remove(filename)
def _writedefs(self, locations, filename):
tofile = open(filename, 'w')
try:
for location in locations:
err = '%s:%d: - %s\n' % (location.filename,
location.lineno, location.note)
echo(err)
tofile.write(err)
finally:
tofile.close()
def show_doc(self, docs, altview=False):
if docs:
docs = docs.encode(self._get_encoding()).replace('"', '\\"')
vim.command('call pymode#ShowStr("{0}")'.format(docs))
def preview_changes(self, diffs):
echo(diffs)
return self.y_or_n('Do the changes? ')
def local_command(self, name, callback, key=None, prefix=False):
self._add_command(name, callback, key, prefix,
prekey=self.get('local_prefix'))
def global_command(self, name, callback, key=None, prefix=False):
self._add_command(name, callback, key, prefix,
prekey=self.get('global_prefix'))
def add_hook(self, name, callback, hook):
mapping = {'before_save': 'FileWritePre,BufWritePre',
'after_save': 'FileWritePost,BufWritePost',
'exit': 'VimLeave'}
self._add_function(name, callback)
vim.command(
'autocmd {0} *.py call {1}()'.format(
mapping[hook], _vim_name(name)
)
)
def _add_command(self, name, callback, key, prefix, prekey):
self._add_function(name, callback, prefix)
vim.command(
'command! -range {0} call {1}()'.format(
_vim_name(name), _vim_name(name)
)
)
if key is not None:
key = prekey + key.replace(' ', '')
vim.command(
'noremap {0} :call {1}()<cr>'.format(key, _vim_name(name))
)
def _add_function(self, name, callback, prefix=False):
globals()[name] = callback
arg = 'None' if prefix else ''
vim.command(
'function! {0}()\n'
'python ropevim.{1}({2})\n'
'endfunction\n'.format(_vim_name(name), name, arg)
)
def _completion_data(self, proposal):
return proposal
_docstring_re = re.compile('^[\s\t\n]*([^\n]*)')
def _extended_completion(self, proposal):
# we are using extended complete and return dicts instead of strings.
# `ci` means "completion item". see `:help complete-items`
word, _, menu = map(lambda x: x.strip(), proposal.name.partition(':'))
ci = dict(
word=word,
info='',
kind=''.join(
s if s not in 'aeyuo' else '' for s in proposal.type)[:3],
menu=menu or '')
if proposal.scope == 'parameter_keyword':
default = proposal.get_default()
ci["menu"] += '*' if default is None else '= {0}'.format(default)
if self.preview and not ci['menu']:
doc = proposal.get_doc()
ci['info'] = self._docstring_re.match(doc).group(1) if doc else ''
return self._conv(ci)
def _conv(self, obj):
if isinstance(obj, dict):
return u'{' + u','.join([
u"{0}:{1}".format(self._conv(key), self._conv(value))
for key, value in obj.iteritems()]) + u'}'
return u'"{0}"'.format(str(obj).replace(u'"', u'\\"'))
def _vim_name(name):
tokens = name.split('_')
newtokens = ['Rope'] + [token.title() for token in tokens]
return ''.join(newtokens)
class VimProgress(object):
def __init__(self, name):
self.name = name
self.last = 0
status('{0} ... '.format(self.name))
def update(self, percent):
try:
vim.eval('getchar(0)')
except vim.error:
raise KeyboardInterrupt(
'Task {0} was interrupted!'.format(self.name)
)
if percent > self.last + 4:
status('{0} ... {1}%'.format(self.name, percent))
self.last = percent
def done(self):
status('{0} ... done'.format(self.name))
def echo(message):
message = message.encode(VimUtils._get_encoding())
print message
def status(message):
if _rope_quiet:
return
message = message.encode(VimUtils._get_encoding())
vim.command('redraw | echon "{0}"'.format(message))
def call(command):
return vim.eval(command)
class _ValueCompleter(object):
def __init__(self):
self.values = []
vim.command('python import vim')
vim.command('function! RopeValueCompleter(A, L, P)\n'
'python args = [vim.eval("a:" + p) for p in "ALP"]\n'
'python ropevim._completer(*args)\n'
'return s:completions\n'
'endfunction\n')
def __call__(self, arg_lead, cmd_line, cursor_pos):
# don't know if self.values can be empty but better safe then sorry
if self.values:
if not isinstance(self.values[0], basestring):
result = [proposal.name for proposal in self.values
if proposal.name.startswith(arg_lead)]
else:
result = [proposal for proposal in self.values
if proposal.startswith(arg_lead)]
vim.command('let s:completions = {0}'.format(result))
class RopeMode(interface.RopeMode):
@decorators.global_command('o')
def open_project(self, root=None, quiet=False):
global _rope_quiet
_rope_quiet = quiet
super(RopeMode, self).open_project(root=root)
rope_project_dir = os.path.join(self.project.address, '.ropeproject')
vimfiles = glob.glob(os.path.join(rope_project_dir, '*.vim'))
if not vimfiles:
return
txt = 'Sourcing vim files under \'.ropeproject/\''
progress = self.env.create_progress(txt)
for idx, vimfile in enumerate(sorted(vimfiles)):
progress.name = txt + ' ({0})'.format(os.path.basename(vimfile))
vim.command(':silent source {0}'.format(vimfile))
progress.update(idx * 100 / len(vimfiles))
progress.name = txt
progress.done()
decorators.logger.message = echo
decorators.logger.only_short = True
_completer = _ValueCompleter()
_env = VimUtils()
_interface = RopeMode(env=_env)