/usr/share/pyshared/MoinMoin/util/web.py is in python-moinmoin 1.9.3-1ubuntu2.3.
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"""
MoinMoin - Helper functions for WWW stuff
@copyright: 2002 Juergen Hermann <jh@web.de>
@license: GNU GPL, see COPYING for details.
"""
def getIntegerInput(request, fieldname, default=None, minval=None, maxval=None):
""" Get an integer value from a request parameter. If the value
is out of bounds, it's made to fit into those bounds.
Returns `default` in case of errors (not a valid integer, or field
is missing).
"""
try:
result = int(request.values[fieldname])
except (KeyError, ValueError):
return default
else:
if minval is not None:
result = max(result, minval)
if maxval is not None:
result = min(result, maxval)
return result
def makeSelection(name, values, selectedval=None, size=1, multiple=False, enabled=True):
""" Make a HTML <select> element named `name` from a value list.
The list can either be a list of strings, or a list of
(value, label) tuples.
`selectedval` is the value that should be pre-selected.
"""
from MoinMoin.widget import html
result = html.SELECT(name=name, size="%d" % int(size), multiple=multiple, disabled=not enabled)
for val in values:
if not isinstance(val, type(())):
val = (val, val)
result.append(html.OPTION(
value=val[0], selected=(val[0] == selectedval))
.append(html.Text(val[1]))
)
return result
def makeMultiSelection(name, values, selectedvals=None, size=5, enabled=True):
"""Make a HTML multiple <select> element with named `name` from a value list.
The list can either be a list of strings, or a list of (value, label) tuples.
`selectedvals` is a list of values that should be pre-selected.
"""
from MoinMoin.widget import html
result = html.SELECT(name=name, size="%d" % int(size), multiple=True, disabled=not enabled)
for val in values:
if not isinstance(val, type(())):
val = (val, val)
result.append(html.OPTION(
value=val[0], selected=(val[0] in selectedvals))
.append(html.Text(val[1]))
)
return result
class Color:
""" RGB-Triple that automatically converts from and to
"#RRGGBB" encoding, and also takes Netscape color names.
The color values are stored in the attributes `r`, `g` and `b`.
Example:
>>> from color import Color
>>> Color('yellow')
Color(255, 255, 0)
>>> str(Color('yellow'))
'#FFFF00'
>>> str(Color((128, 0, 128)))
'#800080'
>>> Color('#FF00FF')
Color(255, 0, 255)
"""
COLORS = {
'aliceblue': (0xF0, 0xF8, 0xFF),
'antiquewhite': (0xFA, 0xEB, 0xD7),
'aqua': (0x00, 0xFF, 0xFF),
'aquamarine': (0x7F, 0xFF, 0xD4),
'azure': (0xF0, 0xFF, 0xFF),
'beige': (0xF5, 0xF5, 0xDC),
'bisque': (0xFF, 0xE4, 0xC4),
'black': (0x00, 0x00, 0x00),
'blanchedalmond': (0xFF, 0xEB, 0xCD),
'blue': (0x00, 0x00, 0xFF),
'blueviolet': (0x8A, 0x2B, 0xE2),
'brown': (0xA5, 0x2A, 0x2A),
'burlywood': (0xDE, 0xB8, 0x87),
'cadetblue': (0x5F, 0x9E, 0xA0),
'chartreuse': (0x7F, 0xFF, 0x00),
'chocolate': (0xD2, 0x69, 0x1E),
'coral': (0xFF, 0x7F, 0x50),
'cornflowerblue': (0x64, 0x95, 0xED),
'cornsilk': (0xFF, 0xF8, 0xDC),
'crimson': (0xDC, 0x14, 0x3C),
'cyan': (0x00, 0xFF, 0xFF),
'darkblue': (0x00, 0x00, 0x8B),
'darkcyan': (0x00, 0x8B, 0x8B),
'darkgoldenrod': (0xB8, 0x86, 0x0B),
'darkgray': (0xA9, 0xA9, 0xA9),
'darkgreen': (0x00, 0x64, 0x00),
'darkkhaki': (0xBD, 0xB7, 0x6B),
'darkmagenta': (0x8B, 0x00, 0x8B),
'darkolivegreen': (0x55, 0x6B, 0x2F),
'darkorange': (0xFF, 0x8C, 0x00),
'darkorchid': (0x99, 0x32, 0xCC),
'darkred': (0x8B, 0x00, 0x00),
'darksalmon': (0xE9, 0x96, 0x7A),
'darkseagreen': (0x8F, 0xBC, 0x8F),
'darkslateblue': (0x48, 0x3D, 0x8B),
'darkslategray': (0x2F, 0x4F, 0x4F),
'darkturquoise': (0x00, 0xCE, 0xD1),
'darkviolet': (0x94, 0x00, 0xD3),
'deeppink': (0xFF, 0x14, 0x93),
'deepskyblue': (0x00, 0xBF, 0xFF),
'dimgray': (0x69, 0x69, 0x69),
'dodgerblue': (0x1E, 0x90, 0xFF),
'firebrick': (0xB2, 0x22, 0x22),
'floralwhite': (0xFF, 0xFA, 0xF0),
'forestgreen': (0x22, 0x8B, 0x22),
'fuchsia': (0xFF, 0x00, 0xFF),
'gainsboro': (0xDC, 0xDC, 0xDC),
'ghostwhite': (0xF8, 0xF8, 0xFF),
'gold': (0xFF, 0xD7, 0x00),
'goldenrod': (0xDA, 0xA5, 0x20),
'gray': (0x80, 0x80, 0x80),
'green': (0x00, 0x80, 0x00),
'greenyellow': (0xAD, 0xFF, 0x2F),
'honeydew': (0xF0, 0xFF, 0xF0),
'hotpink': (0xFF, 0x69, 0xB4),
'indianred': (0xCD, 0x5C, 0x5C),
'indigo': (0x4B, 0x00, 0x82),
'ivory': (0xFF, 0xFF, 0xF0),
'khaki': (0xF0, 0xE6, 0x8C),
'lavender': (0xE6, 0xE6, 0xFA),
'lavenderblush': (0xFF, 0xF0, 0xF5),
'lawngreen': (0x7C, 0xFC, 0x00),
'lemonchiffon': (0xFF, 0xFA, 0xCD),
'lightblue': (0xAD, 0xD8, 0xE6),
'lightcoral': (0xF0, 0x80, 0x80),
'lightcyan': (0xE0, 0xFF, 0xFF),
'lightgoldenrodyellow': (0xFA, 0xFA, 0xD2),
'lightgreen': (0x90, 0xEE, 0x90),
'lightgrey': (0xD3, 0xD3, 0xD3),
'lightpink': (0xFF, 0xB6, 0xC1),
'lightsalmon': (0xFF, 0xA0, 0x7A),
'lightseagreen': (0x20, 0xB2, 0xAA),
'lightskyblue': (0x87, 0xCE, 0xFA),
'lightslategray': (0x77, 0x88, 0x99),
'lightsteelblue': (0xB0, 0xC4, 0xDE),
'lightyellow': (0xFF, 0xFF, 0xE0),
'lime': (0x00, 0xFF, 0x00),
'limegreen': (0x32, 0xCD, 0x32),
'linen': (0xFA, 0xF0, 0xE6),
'magenta': (0xFF, 0x00, 0xFF),
'maroon': (0x80, 0x00, 0x00),
'mediumaquamarine': (0x66, 0xCD, 0xAA),
'mediumblue': (0x00, 0x00, 0xCD),
'mediumorchid': (0xBA, 0x55, 0xD3),
'mediumpurple': (0x93, 0x70, 0xDB),
'mediumseagreen': (0x3C, 0xB3, 0x71),
'mediumslateblue': (0x7B, 0x68, 0xEE),
'mediumspringgreen': (0x00, 0xFA, 0x9A),
'mediumturquoise': (0x48, 0xD1, 0xCC),
'mediumvioletred': (0xC7, 0x15, 0x85),
'midnightblue': (0x19, 0x19, 0x70),
'mintcream': (0xF5, 0xFF, 0xFA),
'mistyrose': (0xFF, 0xE4, 0xE1),
'moccasin': (0xFF, 0xE4, 0xB5),
'navajowhite': (0xFF, 0xDE, 0xAD),
'navy': (0x00, 0x00, 0x80),
'oldlace': (0xFD, 0xF5, 0xE6),
'olive': (0x80, 0x80, 0x00),
'olivedrab': (0x6B, 0x8E, 0x23),
'orange': (0xFF, 0xA5, 0x00),
'orangered': (0xFF, 0x45, 0x00),
'orchid': (0xDA, 0x70, 0xD6),
'palegoldenrod': (0xEE, 0xE8, 0xAA),
'palegreen': (0x98, 0xFB, 0x98),
'paleturquoise': (0xAF, 0xEE, 0xEE),
'palevioletred': (0xDB, 0x70, 0x93),
'papayawhip': (0xFF, 0xEF, 0xD5),
'peachpuff': (0xFF, 0xDA, 0xB9),
'peru': (0xCD, 0x85, 0x3F),
'pink': (0xFF, 0xC0, 0xCB),
'plum': (0xDD, 0xA0, 0xDD),
'powderblue': (0xB0, 0xE0, 0xE6),
'purple': (0x80, 0x00, 0x80),
'red': (0xFF, 0x00, 0x00),
'rosybrown': (0xBC, 0x8F, 0x8F),
'royalblue': (0x41, 0x69, 0xE1),
'saddlebrown': (0x8B, 0x45, 0x13),
'salmon': (0xFA, 0x80, 0x72),
'sandybrown': (0xF4, 0xA4, 0x60),
'seagreen': (0x2E, 0x8B, 0x57),
'seashell': (0xFF, 0xF5, 0xEE),
'sienna': (0xA0, 0x52, 0x2D),
'silver': (0xC0, 0xC0, 0xC0),
'skyblue': (0x87, 0xCE, 0xEB),
'slateblue': (0x6A, 0x5A, 0xCD),
'slategray': (0x70, 0x80, 0x90),
'snow': (0xFF, 0xFA, 0xFA),
'springgreen': (0x00, 0xFF, 0x7F),
'steelblue': (0x46, 0x82, 0xB4),
'tan': (0xD2, 0xB4, 0x8C),
'teal': (0x00, 0x80, 0x80),
'thistle': (0xD8, 0xBF, 0xD8),
'tomato': (0xFF, 0x63, 0x47),
'turquoise': (0x40, 0xE0, 0xD0),
'violet': (0xEE, 0x82, 0xEE),
'wheat': (0xF5, 0xDE, 0xB3),
'white': (0xFF, 0xFF, 0xFF),
'whitesmoke': (0xF5, 0xF5, 0xF5),
'yellow': (0xFF, 0xFF, 0x00),
'yellowgreen': (0x9A, 0xCD, 0x32),
}
def __init__(self, color):
""" Init color value, the 'color' parameter may be
another Color instance, a tuple containing 3 color values,
a Netscape color name or a HTML color ("#RRGGBB").
"""
if isinstance(color, tuple) and len(color) == 3:
self.r, self.g, self.b = int(color[0]), int(color[1]), int(color[2])
elif isinstance(color, Color):
self.r, self.g, self.b = color.r, color.g, color.b
elif not isinstance(color, str):
raise TypeError("Color() expects a Color instance, a RGB triple or a color string")
elif color[0] == '#':
color = long(color[1:], 16)
self.r = (color >> 16) & 255
self.g = (color >> 8) & 255
self.b = color & 255
elif color not in self.COLORS:
raise ValueError("Unknown color name '%s'" % color)
else:
# known color name
self.r, self.g, self.b = self.COLORS[color]
def __str__(self):
return "#%02X%02X%02X" % (self.r, self.g, self.b)
def __repr__(self):
return "Color(%d, %d, %d)" % (self.r, self.g, self.b)
def __int__(self):
return self.__long__()
def __long__(self):
return (self.r << 16) | (self.g << 8) | self.b
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