forked from VimPlug/jedi-vim
136 lines
5.1 KiB
Python
136 lines
5.1 KiB
Python
"""
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The Python parts of the Jedi library for VIM. It is mostly about communicating
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with VIM.
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"""
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import vim
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import jedi
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import jedi.keywords
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import traceback # for exception output
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import re
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temp_rename = None # used for jedi#rename
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class PythonToVimStr(str):
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""" Vim has a different string implementation of single quotes """
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__slots__ = []
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def __repr__(self):
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return '"%s"' % self.replace('\\', '\\\\').replace('"', r'\"')
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def echo_highlight(msg):
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vim.command('echohl WarningMsg | echo "%s" | echohl None' % msg)
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def get_script(source=None, column=None):
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jedi.settings.additional_dynamic_modules = \
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[b.name for b in vim.buffers if b.name.endswith('.py')]
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if source is None:
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source = '\n'.join(vim.current.buffer)
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row = vim.current.window.cursor[0]
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if column is None:
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column = vim.current.window.cursor[1]
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buf_path = vim.current.buffer.name
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return jedi.Script(source, row, column, buf_path)
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def _goto(is_definition=False, is_related_name=False, no_output=False):
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definitions = []
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script = get_script()
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try:
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if is_related_name:
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definitions = script.related_names()
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elif is_definition:
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definitions = script.get_definition()
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else:
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definitions = script.goto()
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except jedi.NotFoundError:
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echo_highlight("Cannot follow nothing. Put your cursor on a valid name.")
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except Exception:
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# print to stdout, will be in :messages
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echo_highlight("Some different eror, this shouldn't happen.")
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print(traceback.format_exc())
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else:
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if no_output:
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return definitions
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if not definitions:
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echo_highlight("Couldn't find any definitions for this.")
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elif len(definitions) == 1 and not is_related_name:
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# just add some mark to add the current position to the jumplist.
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# this is ugly, because it overrides the mark for '`', so if anyone
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# has a better idea, let me know.
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vim.command('normal! m`')
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d = list(definitions)[0]
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if d.in_builtin_module():
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if isinstance(d.definition, jedi.keywords.Keyword):
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echo_highlight("Cannot get the definition of Python keywords.")
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else:
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echo_highlight("Builtin modules cannot be displayed.")
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else:
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if d.module_path != vim.current.buffer.name:
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if vim.eval('g:jedi#use_tabs_not_buffers') == '1':
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vim.command('call jedi#tabnew("%s")' % d.module_path)
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else:
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vim.command('edit ' + d.module_path)
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vim.current.window.cursor = d.line_nr, d.column
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vim.command('normal! zt') # cursor at top of screen
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else:
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# multiple solutions
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lst = []
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for d in definitions:
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if d.in_builtin_module():
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lst.append(dict(text='Builtin ' + d.description))
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else:
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lst.append(dict(filename=d.module_path, lnum=d.line_nr, col=d.column+1, text=d.description))
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vim.command('call setqflist(%s)' % str(lst))
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vim.command('call <sid>add_goto_window()')
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return definitions
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def show_func_def(call_def, completion_lines=0):
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vim.eval('jedi#clear_func_def()')
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if call_def is None:
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return
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row, column = call_def.bracket_start
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if column < 2 or row == 0:
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return # edge cases, just ignore
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# TODO check if completion menu is above or below
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row_to_replace = row - 1
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line = vim.eval("getline(%s)" % row_to_replace)
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insert_column = column - 2 # because it has stuff at the beginning
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params = [p.get_code().replace('\n', '') for p in call_def.params]
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try:
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params[call_def.index] = '*%s*' % params[call_def.index]
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except (IndexError, TypeError):
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pass
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# This stuff is reaaaaally a hack! I cannot stress enough, that this is a
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# stupid solution. But there is really no other yet. There is no
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# possibility in VIM to draw on the screen, but there will be one
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# (see :help todo Patch to access screen under Python. (Marko Mahni, 2010 Jul 18))
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text = " (%s) " % ', '.join(params)
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text = ' ' * (insert_column - len(line)) + text
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end_column = insert_column + len(text) - 2 # -2 because of bold symbols
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# replace line before with cursor
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e = vim.eval('g:jedi#function_definition_escape')
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regex = "xjedi=%sx%sxjedix".replace('x', e)
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prefix, replace = line[:insert_column], line[insert_column:end_column]
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# check the replace stuff for strings, to append them (don't want to break the syntax)
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regex_quotes = '\\\\*["\']+'
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add = ''.join(re.findall(regex_quotes, replace)) # add are all the strings
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if add:
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a = re.search(regex_quotes + '$', prefix)
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add = ('' if a is None else a.group(0)) + add
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tup = '%s, %s' % (len(add), replace)
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repl = ("%s" + regex + "%s") % (prefix, tup, text, add + line[end_column:])
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vim.eval('setline(%s, %s)' % (row_to_replace, repr(PythonToVimStr(repl))))
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