395 lines
15 KiB
Python
Executable file
395 lines
15 KiB
Python
Executable file
# This file is part of Scapy
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# See http://www.secdev.org/projects/scapy for more information
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# Copyright (C) Philippe Biondi <phil@secdev.org>
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# This program is published under a GPLv2 license
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"""
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Color themes for the interactive console.
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"""
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##################
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# Color themes #
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##################
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import cgi
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import sys
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class ColorTable:
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colors = { # Format: (ansi, pygments)
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# foreground
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"black": ("\033[30m", "#ansiblack"),
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"red": ("\033[31m", "#ansired"),
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"green": ("\033[32m", "#ansigreen"),
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"yellow": ("\033[33m", "#ansiyellow"),
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"blue": ("\033[34m", "#ansiblue"),
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"purple": ("\033[35m", "#ansipurple"),
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"cyan": ("\033[36m", "#ansicyan"),
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"grey": ("\033[37m", "#ansiwhite"),
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"reset": ("\033[39m", "noinherit"),
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# background
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"bg_black": ("\033[40m", "bg:#ansiblack"),
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"bg_red": ("\033[41m", "bg:#ansired"),
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"bg_green": ("\033[42m", "bg:#ansigreen"),
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"bg_yellow": ("\033[43m", "bg:#ansiyellow"),
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"bg_blue": ("\033[44m", "bg:#ansiblue"),
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"bg_purple": ("\033[45m", "bg:#ansipurple"),
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"bg_cyan": ("\033[46m", "bg:#ansicyan"),
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"bg_grey": ("\033[47m", "bg:#ansiwhite"),
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"bg_reset": ("\033[49m", "noinherit"),
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# specials
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"normal": ("\033[0m", "noinherit"), # color & brightness
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"bold": ("\033[1m", "bold"),
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"uline": ("\033[4m", "underline"),
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"blink": ("\033[5m", ""),
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"invert": ("\033[7m", ""),
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}
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def __repr__(self):
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return "<ColorTable>"
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def __getattr__(self, attr):
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return self.colors.get(attr, [""])[0]
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def ansi_to_pygments(self, x): # Transform ansi encoded text to Pygments text # noqa: E501
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inv_map = {v[0]: v[1] for k, v in self.colors.items()}
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for k, v in inv_map.items():
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x = x.replace(k, " " + v)
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return x.strip()
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Color = ColorTable()
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def create_styler(fmt=None, before="", after="", fmt2="%s"):
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def do_style(val, fmt=fmt, before=before, after=after, fmt2=fmt2):
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if fmt is None:
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if not isinstance(val, str):
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val = str(val)
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else:
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val = fmt % val
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return fmt2 % (before + val + after)
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return do_style
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class ColorTheme:
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def __repr__(self):
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return "<%s>" % self.__class__.__name__
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def __reduce__(self):
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return (self.__class__, (), ())
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def __getattr__(self, attr):
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if attr in ["__getstate__", "__setstate__", "__getinitargs__",
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"__reduce_ex__"]:
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raise AttributeError()
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return create_styler()
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def format(self, string, fmt):
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for style in fmt.split("+"):
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string = getattr(self, style)(string)
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return string
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class NoTheme(ColorTheme):
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pass
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class AnsiColorTheme(ColorTheme):
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def __getattr__(self, attr):
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if attr.startswith("__"):
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raise AttributeError(attr)
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s = "style_%s" % attr
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if s in self.__class__.__dict__:
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before = getattr(self, s)
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after = self.style_normal
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elif not isinstance(self, BlackAndWhite) and attr in Color.colors:
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before = Color.colors[attr][0]
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after = Color.colors["normal"][0]
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else:
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before = after = ""
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return create_styler(before=before, after=after)
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style_normal = ""
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style_prompt = ""
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style_punct = ""
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style_id = ""
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style_not_printable = ""
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style_layer_name = ""
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style_field_name = ""
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style_field_value = ""
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style_emph_field_name = ""
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style_emph_field_value = ""
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style_packetlist_name = ""
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style_packetlist_proto = ""
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style_packetlist_value = ""
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style_fail = ""
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style_success = ""
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style_odd = ""
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style_even = ""
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style_opening = ""
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style_active = ""
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style_closed = ""
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style_left = ""
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style_right = ""
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style_logo = ""
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class BlackAndWhite(AnsiColorTheme, NoTheme):
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pass
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class DefaultTheme(AnsiColorTheme):
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style_normal = Color.normal
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style_prompt = Color.blue + Color.bold
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style_punct = Color.normal
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style_id = Color.blue + Color.bold
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style_not_printable = Color.grey
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style_layer_name = Color.red + Color.bold
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style_field_name = Color.blue
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style_field_value = Color.purple
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style_emph_field_name = Color.blue + Color.uline + Color.bold
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style_emph_field_value = Color.purple + Color.uline + Color.bold
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style_packetlist_name = Color.red + Color.bold
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style_packetlist_proto = Color.blue
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style_packetlist_value = Color.purple
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style_fail = Color.red + Color.bold
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style_success = Color.blue + Color.bold
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style_even = Color.black + Color.bold
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style_odd = Color.black
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style_opening = Color.yellow
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style_active = Color.black
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style_closed = Color.grey
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style_left = Color.blue + Color.invert
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style_right = Color.red + Color.invert
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style_logo = Color.green + Color.bold
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class BrightTheme(AnsiColorTheme):
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style_normal = Color.normal
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style_punct = Color.normal
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style_id = Color.yellow + Color.bold
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style_layer_name = Color.red + Color.bold
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style_field_name = Color.yellow + Color.bold
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style_field_value = Color.purple + Color.bold
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style_emph_field_name = Color.yellow + Color.bold
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style_emph_field_value = Color.green + Color.bold
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style_packetlist_name = Color.red + Color.bold
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style_packetlist_proto = Color.yellow + Color.bold
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style_packetlist_value = Color.purple + Color.bold
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style_fail = Color.red + Color.bold
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style_success = Color.blue + Color.bold
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style_even = Color.black + Color.bold
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style_odd = Color.black
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style_left = Color.cyan + Color.invert
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style_right = Color.purple + Color.invert
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style_logo = Color.green + Color.bold
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class RastaTheme(AnsiColorTheme):
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style_normal = Color.normal + Color.green + Color.bold
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style_prompt = Color.yellow + Color.bold
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style_punct = Color.red
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style_id = Color.green + Color.bold
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style_not_printable = Color.green
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style_layer_name = Color.red + Color.bold
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style_field_name = Color.yellow + Color.bold
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style_field_value = Color.green + Color.bold
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style_emph_field_name = Color.green
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style_emph_field_value = Color.green
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style_packetlist_name = Color.red + Color.bold
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style_packetlist_proto = Color.yellow + Color.bold
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style_packetlist_value = Color.green + Color.bold
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style_fail = Color.red
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style_success = Color.red + Color.bold
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style_even = Color.yellow
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style_odd = Color.green
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style_left = Color.yellow + Color.invert
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style_right = Color.red + Color.invert
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style_logo = Color.green + Color.bold
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class ColorOnBlackTheme(AnsiColorTheme):
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"""Color theme for black backgrounds"""
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style_normal = Color.normal
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style_prompt = Color.green + Color.bold
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style_punct = Color.normal
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style_id = Color.green
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style_not_printable = Color.black + Color.bold
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style_layer_name = Color.yellow + Color.bold
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style_field_name = Color.cyan
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style_field_value = Color.purple + Color.bold
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style_emph_field_name = Color.cyan + Color.bold
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style_emph_field_value = Color.red + Color.bold
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style_packetlist_name = Color.black + Color.bold
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style_packetlist_proto = Color.yellow + Color.bold
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style_packetlist_value = Color.purple + Color.bold
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style_fail = Color.red + Color.bold
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style_success = Color.green
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style_even = Color.black + Color.bold
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style_odd = Color.grey
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style_opening = Color.yellow
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style_active = Color.grey + Color.bold
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style_closed = Color.black + Color.bold
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style_left = Color.cyan + Color.bold
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style_right = Color.red + Color.bold
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style_logo = Color.green + Color.bold
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class FormatTheme(ColorTheme):
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def __getattr__(self, attr):
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if attr.startswith("__"):
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raise AttributeError(attr)
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colfmt = self.__class__.__dict__.get("style_%s" % attr, "%s")
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return create_styler(fmt2=colfmt)
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class LatexTheme(FormatTheme):
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style_prompt = r"\textcolor{blue}{%s}"
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style_not_printable = r"\textcolor{gray}{%s}"
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style_layer_name = r"\textcolor{red}{\bf %s}"
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style_field_name = r"\textcolor{blue}{%s}"
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style_field_value = r"\textcolor{purple}{%s}"
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style_emph_field_name = r"\textcolor{blue}{\underline{%s}}" # ul
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style_emph_field_value = r"\textcolor{purple}{\underline{%s}}" # ul
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style_packetlist_name = r"\textcolor{red}{\bf %s}"
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style_packetlist_proto = r"\textcolor{blue}{%s}"
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style_packetlist_value = r"\textcolor{purple}{%s}"
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style_fail = r"\textcolor{red}{\bf %s}"
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style_success = r"\textcolor{blue}{\bf %s}"
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style_left = r"\textcolor{blue}{%s}"
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style_right = r"\textcolor{red}{%s}"
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# style_even = r"}{\bf "
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# style_odd = ""
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style_logo = r"\textcolor{green}{\bf %s}"
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class LatexTheme2(FormatTheme):
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style_prompt = r"@`@textcolor@[@blue@]@@[@%s@]@"
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style_not_printable = r"@`@textcolor@[@gray@]@@[@%s@]@"
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style_layer_name = r"@`@textcolor@[@red@]@@[@@`@bfseries@[@@]@%s@]@"
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style_field_name = r"@`@textcolor@[@blue@]@@[@%s@]@"
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style_field_value = r"@`@textcolor@[@purple@]@@[@%s@]@"
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style_emph_field_name = r"@`@textcolor@[@blue@]@@[@@`@underline@[@%s@]@@]@"
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style_emph_field_value = r"@`@textcolor@[@purple@]@@[@@`@underline@[@%s@]@@]@" # noqa: E501
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style_packetlist_name = r"@`@textcolor@[@red@]@@[@@`@bfseries@[@@]@%s@]@"
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style_packetlist_proto = r"@`@textcolor@[@blue@]@@[@%s@]@"
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style_packetlist_value = r"@`@textcolor@[@purple@]@@[@%s@]@"
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style_fail = r"@`@textcolor@[@red@]@@[@@`@bfseries@[@@]@%s@]@"
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style_success = r"@`@textcolor@[@blue@]@@[@@`@bfserices@[@@]@%s@]@"
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style_even = r"@`@textcolor@[@gray@]@@[@@`@bfseries@[@@]@%s@]@"
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# style_odd = r"@`@textcolor@[@black@]@@[@@`@bfseries@[@@]@%s@]@"
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style_left = r"@`@textcolor@[@blue@]@@[@%s@]@"
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style_right = r"@`@textcolor@[@red@]@@[@%s@]@"
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style_logo = r"@`@textcolor@[@green@]@@[@@`@bfseries@[@@]@%s@]@"
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class HTMLTheme(FormatTheme):
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style_prompt = "<span class=prompt>%s</span>"
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style_not_printable = "<span class=not_printable>%s</span>"
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style_layer_name = "<span class=layer_name>%s</span>"
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style_field_name = "<span class=field_name>%s</span>"
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style_field_value = "<span class=field_value>%s</span>"
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style_emph_field_name = "<span class=emph_field_name>%s</span>"
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style_emph_field_value = "<span class=emph_field_value>%s</span>"
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style_packetlist_name = "<span class=packetlist_name>%s</span>"
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style_packetlist_proto = "<span class=packetlist_proto>%s</span>"
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style_packetlist_value = "<span class=packetlist_value>%s</span>"
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style_fail = "<span class=fail>%s</span>"
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style_success = "<span class=success>%s</span>"
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style_even = "<span class=even>%s</span>"
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style_odd = "<span class=odd>%s</span>"
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style_left = "<span class=left>%s</span>"
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style_right = "<span class=right>%s</span>"
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class HTMLTheme2(HTMLTheme):
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style_prompt = "#[#span class=prompt#]#%s#[#/span#]#"
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style_not_printable = "#[#span class=not_printable#]#%s#[#/span#]#"
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style_layer_name = "#[#span class=layer_name#]#%s#[#/span#]#"
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style_field_name = "#[#span class=field_name#]#%s#[#/span#]#"
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style_field_value = "#[#span class=field_value#]#%s#[#/span#]#"
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style_emph_field_name = "#[#span class=emph_field_name#]#%s#[#/span#]#"
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style_emph_field_value = "#[#span class=emph_field_value#]#%s#[#/span#]#"
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style_packetlist_name = "#[#span class=packetlist_name#]#%s#[#/span#]#"
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style_packetlist_proto = "#[#span class=packetlist_proto#]#%s#[#/span#]#"
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style_packetlist_value = "#[#span class=packetlist_value#]#%s#[#/span#]#"
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style_fail = "#[#span class=fail#]#%s#[#/span#]#"
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style_success = "#[#span class=success#]#%s#[#/span#]#"
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style_even = "#[#span class=even#]#%s#[#/span#]#"
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style_odd = "#[#span class=odd#]#%s#[#/span#]#"
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style_left = "#[#span class=left#]#%s#[#/span#]#"
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style_right = "#[#span class=right#]#%s#[#/span#]#"
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def apply_ipython_style(shell):
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"""Updates the specified IPython console shell with
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the conf.color_theme scapy theme."""
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try:
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from IPython.terminal.prompts import Prompts, Token
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except Exception:
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from scapy.error import log_loading
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log_loading.warning(
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"IPython too old. Shell color won't be handled."
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)
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return
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from scapy.config import conf
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scapy_style = {}
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# Overwrite colors
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if isinstance(conf.color_theme, NoTheme):
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shell.colors = 'nocolor'
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elif isinstance(conf.color_theme, BrightTheme):
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# lightbg is optimized for light backgrounds
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shell.colors = 'lightbg'
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elif isinstance(conf.color_theme, ColorOnBlackTheme):
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# linux is optimised for dark backgrounds
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shell.colors = 'linux'
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else:
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# default
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shell.colors = 'neutral'
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try:
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get_ipython()
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# This function actually contains tons of hacks
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color_magic = shell.magics_manager.magics["line"]["colors"]
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color_magic(shell.colors)
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except NameError:
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pass
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# Prompt Style
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if isinstance(conf.prompt, Prompts):
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# Set custom prompt style
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shell.prompts_class = conf.prompt
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else:
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if isinstance(conf.color_theme, (FormatTheme, NoTheme)):
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# Formatable
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if isinstance(conf.color_theme, HTMLTheme):
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prompt = cgi.escape(conf.prompt)
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elif isinstance(conf.color_theme, LatexTheme):
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from scapy.utils import tex_escape
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prompt = tex_escape(conf.prompt)
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else:
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prompt = conf.prompt
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prompt = conf.color_theme.prompt(prompt)
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else:
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# Needs to be manually set
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prompt = str(conf.prompt)
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scapy_style[Token.Prompt] = Color.ansi_to_pygments(
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conf.color_theme.style_prompt
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)
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class ClassicPrompt(Prompts):
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def in_prompt_tokens(self, cli=None):
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return [(Token.Prompt, prompt), ]
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def out_prompt_tokens(self):
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return [(Token.OutPrompt, ''), ]
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# Apply classic prompt style
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shell.prompts_class = ClassicPrompt
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sys.ps1 = prompt
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# Register scapy color style
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shell.highlighting_style_overrides = scapy_style
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# Apply if Live
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try:
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get_ipython().refresh_style()
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except NameError:
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pass
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