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Merge pull request #11006 from Carreau/fix-ipython-spelling...
Merge pull request #11006 from Carreau/fix-ipython-spelling Fix IPython spelling

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r24144:cc353b25 merge
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ptutils.py
160 lines | 5.9 KiB | text/x-python | PythonLexer
Min RK
Make IPythonPTCompleter(shell) backward-compatible...
r22768 """prompt-toolkit utilities
Everything in this module is a private API,
not to be used outside IPython.
"""
# Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.
Thomas Kluyver
Integrate completion into debugger
r22388 import unicodedata
from wcwidth import wcwidth
Matthias Bussonnier
Deduplicate completions between IPython and Jedi....
r23358 from IPython.core.completer import (
Matthias Bussonnier
Minor improvements to completion...
r23467 provisionalcompleter, cursor_to_position,
Matthias Bussonnier
Deduplicate completions between IPython and Jedi....
r23358 _deduplicate_completions)
Thomas Kluyver
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r22388 from prompt_toolkit.completion import Completer, Completion
from prompt_toolkit.layout.lexers import Lexer
from prompt_toolkit.layout.lexers import PygmentsLexer
Jonathan Slenders
Use correct Pygments lexers for different %%magics.
r22512 import pygments.lexers as pygments_lexers
Matthias Bussonnier
First step in reintegrating Jedi...
r23284 _completion_sentinel = object()
Matthias Bussonnier
Minor improvements to completion...
r23467 def _elide(string, *, min_elide=30):
"""
If a string is long enough, and has at least 2 dots,
replace the middle part with ellipses.
Matthias Bussonnier
Fix Crash: Eliding string with consecutive dots....
r23591 If three consecutive dots, or two consecutive dots are encountered these are
replaced by the equivalents HORIZONTAL ELLIPSIS or TWO DOT LEADER unicode
equivalents
Matthias Bussonnier
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r23467 """
Matthias Bussonnier
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r23591 string = string.replace('...','\N{HORIZONTAL ELLIPSIS}')
string = string.replace('..','\N{TWO DOT LEADER}')
Matthias Bussonnier
Minor improvements to completion...
r23467 if len(string) < min_elide:
return string
parts = string.split('.')
if len(parts) <= 3:
return string
return '{}.{}\N{HORIZONTAL ELLIPSIS}{}.{}'.format(parts[0], parts[1][0], parts[-2][-1], parts[-1])
Matthias Bussonnier
First step in reintegrating Jedi...
r23284
Steve Bartz
Do not duplicate '=' when tab completing a kwarg with the cursor on '='
r23622 def _adjust_completion_text_based_on_context(text, body, offset):
if text.endswith('=') and len(body) > offset and body[offset] is '=':
return text[:-1]
else:
return text
Matthias Bussonnier
First step in reintegrating Jedi...
r23284
Thomas Kluyver
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r22388
class IPythonPTCompleter(Completer):
"""Adaptor to provide IPython completions to prompt_toolkit"""
Thomas Kluyver
Fix error tab completing in the debugger...
r23274 def __init__(self, ipy_completer=None, shell=None, patch_stdout=None):
Min RK
Make IPythonPTCompleter(shell) backward-compatible...
r22768 if shell is None and ipy_completer is None:
raise TypeError("Please pass shell=an InteractiveShell instance.")
self._ipy_completer = ipy_completer
Min RK
give PTCompleter InteractiveShell, not Completer...
r22765 self.shell = shell
Thomas Kluyver
Fix error tab completing in the debugger...
r23274 if patch_stdout is None:
raise TypeError("Please pass patch_stdout")
self.patch_stdout = patch_stdout
Min RK
explicit TypeError when IPCompleter passed to PTCompleter
r22767
Min RK
give PTCompleter InteractiveShell, not Completer...
r22765 @property
def ipy_completer(self):
Min RK
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r22768 if self._ipy_completer:
return self._ipy_completer
else:
return self.shell.Completer
Thomas Kluyver
Integrate completion into debugger
r22388
def get_completions(self, document, complete_event):
if not document.current_line.strip():
return
Thomas Kluyver
Use prompt_toolkit's patch_stdout_context when finding completions...
r23171 # Some bits of our completion system may print stuff (e.g. if a module
# is imported). This context manager ensures that doesn't interfere with
# the prompt.
Thomas Kluyver
Protect against completion machinery returning an empty string...
r22445
Matthias Bussonnier
typo
r23291 with self.patch_stdout(), provisionalcompleter():
Matthias Bussonnier
First step in reintegrating Jedi...
r23284 body = document.text
cursor_row = document.cursor_position_row
cursor_col = document.cursor_position_col
cursor_position = document.cursor_position
offset = cursor_to_position(body, cursor_row, cursor_col)
yield from self._get_completions(body, offset, cursor_position, self.ipy_completer)
Thomas Kluyver
Integrate completion into debugger
r22388
Matthias Bussonnier
First step in reintegrating Jedi...
r23284 @staticmethod
def _get_completions(body, offset, cursor_position, ipyc):
"""
Private equivalent of get_completions() use only for unit_testing.
"""
debug = getattr(ipyc, 'debug', False)
Matthias Bussonnier
Deduplicate completions between IPython and Jedi....
r23358 completions = _deduplicate_completions(
body, ipyc.completions(body, offset))
Matthias Bussonnier
First step in reintegrating Jedi...
r23284 for c in completions:
if not c.text:
# Guard against completion machinery giving us an empty string.
continue
text = unicodedata.normalize('NFC', c.text)
Thomas Kluyver
Integrate completion into debugger
r22388 # When the first character of the completion has a zero length,
# then it's probably a decomposed unicode character. E.g. caused by
# the "\dot" completion. Try to compose again with the previous
# character.
Matthias Bussonnier
First step in reintegrating Jedi...
r23284 if wcwidth(text[0]) == 0:
if cursor_position + c.start > 0:
char_before = body[c.start - 1]
fixed_text = unicodedata.normalize(
'NFC', char_before + text)
Thomas Kluyver
Integrate completion into debugger
r22388
# Yield the modified completion instead, if this worked.
Matthias Bussonnier
First step in reintegrating Jedi...
r23284 if wcwidth(text[0:1]) == 1:
yield Completion(fixed_text, start_position=c.start - offset - 1)
Thomas Kluyver
Integrate completion into debugger
r22388 continue
# TODO: Use Jedi to determine meta_text
# (Jedi currently has a bug that results in incorrect information.)
# meta_text = ''
# yield Completion(m, start_position=start_pos,
# display_meta=meta_text)
Matthias Bussonnier
Minor improvements to completion...
r23467 display_text = c.text
Steve Bartz
Do not duplicate '=' when tab completing a kwarg with the cursor on '='
r23622 adjusted_text = _adjust_completion_text_based_on_context(c.text, body, offset)
Matthias Bussonnier
Minor improvements to completion...
r23467 if c.type == 'function':
Matthias Bussonnier
Show signature with Jedi....
r23753 yield Completion(adjusted_text, start_position=c.start - offset, display=_elide(display_text+'()'), display_meta=c.type+c.signature)
else:
yield Completion(adjusted_text, start_position=c.start - offset, display=_elide(display_text), display_meta=c.type)
Thomas Kluyver
Integrate completion into debugger
r22388
class IPythonPTLexer(Lexer):
"""
Wrapper around PythonLexer and BashLexer.
"""
def __init__(self):
Jonathan Slenders
Use correct Pygments lexers for different %%magics.
r22512 l = pygments_lexers
Srinivas Reddy Thatiparthy
Remove PY3 variable
r23108 self.python_lexer = PygmentsLexer(l.Python3Lexer)
Jonathan Slenders
Use correct Pygments lexers for different %%magics.
r22512 self.shell_lexer = PygmentsLexer(l.BashLexer)
self.magic_lexers = {
'HTML': PygmentsLexer(l.HtmlLexer),
'html': PygmentsLexer(l.HtmlLexer),
'javascript': PygmentsLexer(l.JavascriptLexer),
'js': PygmentsLexer(l.JavascriptLexer),
'perl': PygmentsLexer(l.PerlLexer),
'ruby': PygmentsLexer(l.RubyLexer),
'latex': PygmentsLexer(l.TexLexer),
}
Thomas Kluyver
Integrate completion into debugger
r22388
def lex_document(self, cli, document):
Jonathan Slenders
Use correct Pygments lexers for different %%magics.
r22512 text = document.text.lstrip()
lexer = self.python_lexer
if text.startswith('!') or text.startswith('%%bash'):
lexer = self.shell_lexer
elif text.startswith('%%'):
for magic, l in self.magic_lexers.items():
if text.startswith('%%' + magic):
lexer = l
break
return lexer.lex_document(cli, document)