def show_message_dialog(cls,
message,
title="",
message_type=MessageType.PLAIN):
if message_type not in MessageType:
error("GOptionPane::showMessageDialog: Illegal dialog type.")
if not title:
title = "Message"
_platform.Platform().goptionpane_show_message_dialog(
message, title, message_type)
def _scan_number(self):
token = ''
state = _NumberScannerState.INITIAL_STATE
while state != _NumberScannerState.FINAL_STATE:
ch = self.input_stream.read(1)
if state == _NumberScannerState.INITIAL_STATE:
if not ch.isdigit():
error('internal error: illegal call')
state = _NumberScannerState.BEFORE_DECIMAL_POINT
elif state == _NumberScannerState.BEFORE_DECIMAL_POINT:
if ch == '.':
state = _NumberScannerState.AFTER_DECIMAL_POINT
elif ch in ('e', 'E'):
state = _NumberScannerState.STARTING_EXPONENT
elif not ch.isdigit():
if ch:
self.unget_char(ch)
state = _NumberScannerState.FINAL_STATE
elif state == _NumberScannerState.AFTER_DECIMAL_POINT:
if ch in ('e', 'E'):
state = _NumberScannerState.STARTING_EXPONENT
elif not ch.isdigit():
if ch:
self.unget_char(ch)
state = _NumberScannerState.FINAL_STATE
elif state == _NumberScannerState.STARTING_EXPONENT:
if ch in ('-', '+'):
state = _NumberScannerState.FOUND_EXPONENT_SIGN
elif ch.isdigit():
state = _NumberScannerState.SCANNING_EXPONENT
else:
if ch:
self.input_stream.unget_char(ch)
self.input_stream.unget_char(ch)
state = _NumberScannerState.FINAL_STATE
elif state == _NumberScannerState.FOUND_EXPONENT_SIGN:
if ch.isdigit():
state = _NumberScannerState.SCANNING_EXPONENT
else:
if ch:
self.input_stream.unget_char(ch)
self.input_stream.unget_char(ch)
self.input_stream.unget_char(ch)
state = _NumberScannerState.FINAL_STATE
elif case == _NumberScannerState.SCANNING_EXPONENT:
if not ch.isdigit():
if ch:
self.input_stream.unget_char(ch)
state = _NumberScannerState.FINAL_STATE
else:
state = _NumberScannerState.FINAL_STATE
if state != _NumberScannerState.FINAL_STATE:
token += ch
def _scan_string(self):
token = ''
delim = self.input_stream.read(1)
token += delim
escape = False
while True:
ch = self.input_stream.read(1)
if not ch:
error('found unterminated string') # TODO: fn name
if ch == delim and not escape:
break
escape = ch == '\\' and not escape
token += ch
return token
def get_token_type(self, token):
if not token:
error('Empty token: TODO(EOF)?')
ch = token[0]
if ch.isspace():
return TokenType.SEPARATOR
elif ch == '"' or (ch == "'" and len(token) > 1):
return TokenType.STRING
elif ch.isdigit():
return TokenType.NUMBER
elif self.is_word_character(ch):
return TokenType.WORD
else:
return TokenType.OPERATOR
def count_digits(n, base=10):
"""Count the number of digits in a number in some base.
Any non-integral part of the number is discarded: ``count_digits(3.1415)``
is the same as ``count_digits(3)``.
The provided n must be finite and the provided base must be a positive
integer, otherwise an error is raised.
Usage::
count_digits(4) # => 1
count_digits(41) # => 2
count_digits(413) # => 3
count_digits(9.9) # => 1
count_digits(10.1) # => 2
count_digits(-15) # => 2
count_digits(-314.15) # => 3
count_digits(3, base=2) # => 2
count_digits(4, base=2) # => 3
count_digits(8, base=3) # => 2
count_digits(41, base=5) # => 3
Invalid Usage::
count_digits(float('inf')) # raises error
count_digits(5, base=-3) # raises error
count_digits(5, base=2.2) # raises error
:param n: number whose digits to count
:param base: base system to use
:returns: the number of digits of n when written in the given base.
"""
if not math.isfinite(n):
error("n must be finite")
if base <= 0 or not float.is_integer(base):
error("base must be a positive integer")
n = int(abs(n))
base = int(base)
count = 0
while n > 0:
count += 1
n //= count
return count
def show_confirm_dialog(cls,
message,
title="",
confirm_type=ConfirmType.YES_NO):
if confirm_type not in ConfirmType:
error("GOptionPane::show_confirm_dialog: Illegal dialog type.")
if not title:
title = "Select an option"
result = cls.InternalResult(
_platform.Platform().goptionpane_show_confirm_dialog(
message, title, confirm_type))
print("from platform: ", result)
if result in [
cls.InternalResult.OK_OPTION, cls.InternalResult.YES_OPTION
]:
# this is weird code because JOptionPane thinks of OK and Yes as the same,
#and differentiates based on context of whether this is an OK/Cancel or Yes/No dialog
return ConfirmResult.OK if confirm_type == ConfirmType.OK_CANCEL else ConfirmResult.YES
elif result == cls.InternalResult.NO_OPTION:
return ConfirmResult.NO
else:
return ConfirmResult.CANCEL
def verify_token(self, expected):
token = self.next_token()
if token != expected:
# TODO: error w/ buffer
error('Found "{}" when expecting "{}"'.format(token, expected))
def test_error_from_builtin_error_raises_exception():
with pytest.raises(CampyException) as excinfo:
error(ValueError("I am a ValueError."))
# print(excinfo.value)
assert excinfo.type == CampyException
assert "I am a ValueError" in str(excinfo.value)
def test_error_from_string_raises_exception():
with pytest.raises(CampyException):
error("This should raise a CampyException.")