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from typing import Dict, Text
ansicolors: Dict[Text, Text] = {
"BLACK": "\033[30m",
"RED": "\033[31m",
"GREEN": "\033[32m",
"YELLOW": "\033[33m",
"BLUE": "\033[34m",
"MAGENTA": "\033[35m",
"CYAN": "\033[36m",
"WHITE": "\033[37m",
"BOLD": "\033[1m",
"RESET": "\033[0m",
}
green_start: Text = ansicolors["GREEN"]
red_start: Text = ansicolors["RED"]
cyan_start: Text = ansicolors["CYAN"]
reset: Text = ansicolors["RESET"]
def color_unified_diff_line(line: Text) -> Text:
"""Returns an ANSI escape code colored string with color based
on the unified diff line type."""
if line[0:2] == "+ ":
return f"{green_start}{line}{reset}"
elif line == "+\n":
# some lines are formatted as hyphen only with no other characters
# this indicates an added empty line
return f"{green_start}{line}{reset}"
elif line[0:2] == "- ":
return f"{red_start}{line}{reset}"
elif line == "-\n":
# some lines are formatted as hyphen only with no other characters
# this indicates a deleted empty line
return f"{red_start}{line}{reset}"
elif line[0:3] == "@@ ":
return f"{cyan_start}{line}{reset}"
elif line[0:4] == "--- ":
return f"{red_start}{line}{reset}"
elif line[0:4] == "+++ ":
return f"{green_start}{line}{reset}"
else:
return line
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