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"""
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Utilities function for keybinding with prompt toolkit.
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This will be bound to specific key press and filter modes,
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like whether we are in edit mode, and whether the completer is open.
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"""
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import re
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from prompt_toolkit.key_binding import KeyPressEvent
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def parenthesis(event: KeyPressEvent):
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"""Auto-close parenthesis"""
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event.current_buffer.insert_text("()")
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event.current_buffer.cursor_left()
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def brackets(event: KeyPressEvent):
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"""Auto-close brackets"""
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event.current_buffer.insert_text("[]")
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event.current_buffer.cursor_left()
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def braces(event: KeyPressEvent):
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"""Auto-close braces"""
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event.current_buffer.insert_text("{}")
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event.current_buffer.cursor_left()
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def double_quote(event: KeyPressEvent):
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"""Auto-close double quotes"""
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event.current_buffer.insert_text('""')
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event.current_buffer.cursor_left()
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def single_quote(event: KeyPressEvent):
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"""Auto-close single quotes"""
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event.current_buffer.insert_text("''")
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event.current_buffer.cursor_left()
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def docstring_double_quotes(event: KeyPressEvent):
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"""Auto-close docstring (double quotes)"""
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event.current_buffer.insert_text('""""')
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event.current_buffer.cursor_left(3)
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def docstring_single_quotes(event: KeyPressEvent):
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"""Auto-close docstring (single quotes)"""
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event.current_buffer.insert_text("''''")
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event.current_buffer.cursor_left(3)
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def raw_string_parenthesis(event: KeyPressEvent):
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"""Auto-close parenthesis in raw strings"""
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matches = re.match(
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r".*(r|R)[\"'](-*)",
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event.current_buffer.document.current_line_before_cursor,
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)
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dashes = matches.group(2) if matches else ""
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event.current_buffer.insert_text("()" + dashes)
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event.current_buffer.cursor_left(len(dashes) + 1)
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def raw_string_bracket(event: KeyPressEvent):
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"""Auto-close bracker in raw strings"""
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matches = re.match(
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r".*(r|R)[\"'](-*)",
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event.current_buffer.document.current_line_before_cursor,
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)
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dashes = matches.group(2) if matches else ""
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event.current_buffer.insert_text("[]" + dashes)
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event.current_buffer.cursor_left(len(dashes) + 1)
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def raw_string_braces(event: KeyPressEvent):
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"""Auto-close braces in raw strings"""
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matches = re.match(
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r".*(r|R)[\"'](-*)",
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event.current_buffer.document.current_line_before_cursor,
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)
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dashes = matches.group(2) if matches else ""
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event.current_buffer.insert_text("{}" + dashes)
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event.current_buffer.cursor_left(len(dashes) + 1)
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def skip_over(event: KeyPressEvent):
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"""Skip over automatically added parenthesis/quote.
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(rather than adding another parenthesis/quote)"""
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event.current_buffer.cursor_right()
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def delete_pair(event: KeyPressEvent):
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"""Delete auto-closed parenthesis"""
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event.current_buffer.delete()
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event.current_buffer.delete_before_cursor()
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auto_match_parens = {"(": parenthesis, "[": brackets, "{": braces}
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auto_match_parens_raw_string = {
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"(": raw_string_parenthesis,
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"[": raw_string_bracket,
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"{": raw_string_braces,
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}
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