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from __future__ import unicode_literals
from prompt_toolkit.enums import DEFAULT_BUFFER
from prompt_toolkit.filters import Condition
from prompt_toolkit.application import get_app
from .packages.parseutils.utils import is_open_quote
def pg_is_multiline(pgcli):
@Condition
def cond():
doc = get_app().layout.get_buffer_by_name(DEFAULT_BUFFER).document
if not pgcli.multi_line:
return False
if pgcli.multiline_mode == 'safe':
return True
else:
return not _multiline_exception(doc.text)
return cond
def _is_complete(sql):
# A complete command is an sql statement that ends with a semicolon, unless
# there's an open quote surrounding it, as is common when writing a
# CREATE FUNCTION command
return sql.endswith(';') and not is_open_quote(sql)
def _multiline_exception(text):
text = text.strip()
return (
text.startswith('\\') or # Special Command
text.endswith(r'\e') or # Ended with \e which should launch the editor
_is_complete(text) or # A complete SQL command
(text == 'exit') or # Exit doesn't need semi-colon
(text == 'quit') or # Quit doesn't need semi-colon
(text == ':q') or # To all the vim fans out there
(text == '') # Just a plain enter without any text
)
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