Exemple #1
0
def format_axis_choices(name, axis_def):
    """
    Transform the given choices for an axis into an user friendly display

    name (str): the name of the axis
    axis_def (Axis): the axis definition

    returns:
      choices_formatted (None or list of (value, str): axis value/user-friendly
         display name (including the unit). None if axis doesn't support choices.
    """

    try:
        choices = axis_def.choices
    except AttributeError:
        return None

    if not choices:
        return None

    unit = axis_def.unit

    if isinstance(choices, dict):
        choices_formatted = list(choices.items())
        # In this case, normally the values are already formatted, but for
        # wavelength band, the "formatted" value is still a band info (ie, two
        # values in m)
        if name == "band":

            def to_readable_band(v):
                if (isinstance(v, (tuple, list)) and len(v) > 1 and
                        all(isinstance(c, numbers.Real) for c in v)):
                    return fluo.to_readable_band(v)
                else:
                    return v

            choices_formatted = [(k, to_readable_band(v)) for k, v in choices_formatted]
    elif len(choices) > 1 and all(isinstance(c, numbers.Real) for c in choices):
        choices_formatted = None
        try:
            choices = sorted(choices)
            # Can we fit them (more or less) all with the same unit prefix?
            mn_non0 = min(c for c in choices if c != 0)
            if abs(choices[-1] / mn_non0) < 1000:
                fmt, choices_si_prefix = utun.si_scale_list(choices)
                fmt = [utun.to_string_pretty(c, 3, unit) for c in fmt]
                choices_formatted = list(zip(choices, fmt))
        except Exception:
            logging.exception("Formatting error for %s", choices)
        if choices_formatted is None:
            choices_formatted = [(c, readable_str(c, unit=unit, sig=3)) for c in choices]
    else:
        choices_formatted = [(c, u"%s %s" % (choice_to_str(c), unit)) for c in choices]

    if not isinstance(choices, OrderedDict):
        # sort 2-tuples = according to first value in tuple
        choices_formatted = sorted(choices_formatted)

    return choices_formatted
Exemple #2
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def format_axis_choices(name, axis_def):
    """
    Transform the given choices for an axis into an user friendly display

    name (str): the name of the axis
    axis_def (Axis): the axis definition

    returns:
      choices_formatted (None or list of (value, str): axis value/user-friendly
         display name (including the unit). None if axis doesn't support choices.
    """

    try:
        choices = axis_def.choices
    except AttributeError:
        return None

    if not choices:
        return None

    unit = axis_def.unit

    if isinstance(choices, dict):
        choices_formatted = choices.items()
        # In this case, normally the values are already formatted, but for
        # wavelength band, the "formatted" value is still a band info (ie, two
        # values in m)
        if name == "band":

            def to_readable_band(v):
                if (isinstance(v, (tuple, list)) and len(v) > 1 and
                        all(isinstance(c, numbers.Real) for c in v)):
                    return fluo.to_readable_band(v)
                else:
                    return v

            choices_formatted = [(k, to_readable_band(v)) for k, v in choices_formatted]
    elif len(choices) > 1 and all(isinstance(c, numbers.Real) for c in choices):
        choices_formatted = None
        try:
            choices = sorted(choices)
            # Can we fit them (more or less) all with the same unit prefix?
            mn_non0 = min(c for c in choices if c != 0)
            if abs(choices[-1] / mn_non0) < 1000:
                fmt, choices_si_prefix = utun.si_scale_list(choices)
                fmt = [utun.to_string_pretty(c, 3, unit) for c in fmt]
                choices_formatted = zip(choices, fmt)
        except Exception:
            logging.exception("Formatting error for %s", choices)
        if choices_formatted is None:
            choices_formatted = [(c, readable_str(c, unit=unit, sig=3)) for c in choices]
    else:
        choices_formatted = [(c, u"%s %s" % (choice_to_str(c), unit)) for c in choices]

    if not isinstance(choices, OrderedDict):
        # sort 2-tuples = according to first value in tuple
        choices_formatted = sorted(choices_formatted)

    return choices_formatted
Exemple #3
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    def test_to_string_pretty(self):

        values = [
            0.000000041003,
            0.0051,
            0.014,
            0.39,
            0.230234543545,
        ]

        for sig in [2, 4, 6]:  # (None, 0, 1, 2, 4, 8):
            for v in values:
                self.assertEqual(units.round_significant(v, sig),
                                 float(units.to_string_pretty(v, sig, "s")))
Exemple #4
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    def test_to_string_pretty(self):

        values = [
            0.000000041003,
            0.0051,
            0.014,
            0.39,
            0.230234543545,
        ]

        for sig in [2, 4, 6]:  # (None, 0, 1, 2, 4, 8):
            for v in values:
                self.assertEqual(
                    units.round_significant(v, sig),
                    float(units.to_string_pretty(v, sig, "s"))
                    )
Exemple #5
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 def _display_raw(self):
     """ Set the current text to raw style (no truncation/no unit)
     """
     if self.number is None:
         str_val = u""
     else:
         if hasattr(self, 'unit'):
             unit = self.unit  #pylint: disable=E1101
         else:
             unit = None
         if self.accuracy is None:
             accuracy = None
         else:
             accuracy = self.accuracy + 1
         str_val = units.to_string_pretty(self.number, accuracy, unit)
     wx.TextCtrl.ChangeValue(self, str_val)
Exemple #6
0
 def _display_raw(self):
     """ Set the current text to raw style (no truncation/no unit)
     """
     if self.number is None:
         str_val = u""
     else:
         if hasattr(self, 'unit'):
             unit = self.unit  #pylint: disable=E1101
         else:
             unit = None
         if self.accuracy is None:
             accuracy = None
         else:
             accuracy = self.accuracy + 1
         str_val = units.to_string_pretty(self.number, accuracy, unit)
     wx.TextCtrl.ChangeValue(self, str_val)
Exemple #7
0
def format_choices(choices):
    """ Transform the given choices into an ordered list of (value, formatted value) tuples

    Args:
        choices (Iterable): The choices to be formatted or None

    Returns:
        ([(value, formatted value)], si prefix) or (None, None)

    """

    if choices:
        choices_si_prefix = None

        # choice_fmt is an iterable of tuples: (choice, formatted choice)
        if isinstance(choices, dict):
            # In this case we assume that the values are already formatted
            choices_formatted = choices.items()
        elif len(choices) > 1 and all(isinstance(c, numbers.Real) for c in choices):
            try:
                choices = sorted(choices)
                # Can we fit them (more or less) all with the same unit prefix?
                mn_non0 = min(c for c in choices if c != 0)
                if abs(choices[-1] / mn_non0) < 1000:
                    fmt, choices_si_prefix = utun.si_scale_list(choices)
                    fmt = [utun.to_string_pretty(c, 3) for c in fmt]
                    choices_formatted = zip(choices, fmt)
                else:
                    fmt = [to_string_si_prefix(c, sig=3) for c in choices]
                    return zip(choices, fmt), None
            except Exception:
                logging.exception("Formatting error for %s", choices)
                choices_formatted = [(c, choice_to_str(c)) for c in choices]
        else:
            choices_formatted = [(c, choice_to_str(c)) for c in choices]

        if not isinstance(choices, OrderedDict):
            choices_formatted = sorted(choices_formatted)

        return choices_formatted, choices_si_prefix

    else:
        return None, None
Exemple #8
0
def format_choices(choices):
    """ Transform the given choices into an ordered list of (value, formatted value) tuples

    Args:
        choices (Iterable): The choices to be formatted or None

    Returns:
        ([(value, formatted value)], si prefix) or (None, None)

    """

    if choices:
        choices_si_prefix = None

        # choice_fmt is an iterable of tuples: (choice, formatted choice)
        if isinstance(choices, dict):
            # In this case we assume that the values are already formatted
            choices_formatted = choices.items()
        elif len(choices) > 1 and all(isinstance(c, numbers.Real) for c in choices):
            try:
                choices = sorted(choices)
                # Can we fit them (more or less) all with the same unit prefix?
                mn_non0 = min(c for c in choices if c != 0)
                if abs(choices[-1] / mn_non0) < 1000:
                    fmt, choices_si_prefix = utun.si_scale_list(choices)
                    fmt = [utun.to_string_pretty(c, 3) for c in fmt]
                    choices_formatted = zip(choices, fmt)
                else:
                    fmt = [to_string_si_prefix(c, sig=3) for c in choices]
                    return zip(choices, fmt), None
            except Exception:
                logging.exception("Formatting error for %s", choices)
                choices_formatted = [(c, choice_to_str(c)) for c in choices]
        else:
            choices_formatted = [(c, choice_to_str(c)) for c in choices]

        if not isinstance(choices, OrderedDict):
            choices_formatted = sorted(choices_formatted)

        return choices_formatted, choices_si_prefix

    else:
        return None, None