github.phpd.cn/thought-machine/please@v12.2.0+incompatible/build_defs/ansi_escapes.build_defs (about)

     1  def replace_ansi_escapes(name:str, srcs:list, deps:list=None, visibility:list=None):
     2      """Replaces ANSI escape sequences in a source file.
     3  
     4      In the file they're written as pseudo-shell variables like ${BOLD_WHITE},
     5      which is a lot easier to read than \\x1b[37;1m.
     6  
     7      Does not currently support passing arbitrary rules to `srcs`. For various minor
     8      reasons (mostly involving Go coverage/tracebacks) it would not be ideal to
     9      rename them too much anyway.
    10      """
    11      # Backslashes are deliberately repeated many times to get through all the levels of escaping needed.
    12      REPLACEMENTS = {
    13          'BOLD': '\\\\x1b[1m',
    14          'BOLD_GREY': '\\\\x1b[30;1m',
    15          'BOLD_RED': '\\\\x1b[31;1m',
    16          'BOLD_GREEN': '\\\\x1b[32;1m',
    17          'BOLD_YELLOW': '\\\\x1b[33;1m',
    18          'BOLD_BLUE': '\\\\x1b[34;1m',
    19          'BOLD_MAGENTA': '\\\\x1b[35;1m',
    20          'BOLD_CYAN': '\\\\x1b[36;1m',
    21          'BOLD_WHITE': '\\\\x1b[37;1m',
    22          'GREY': '\\\\x1b[30m',
    23          'RED': '\\\\x1b[31m',
    24          'GREEN': '\\\\x1b[32m',
    25          'YELLOW': '\\\\x1b[33m',
    26          'BLUE': '\\\\x1b[34m',
    27          'MAGENTA': '\\\\x1b[35m',
    28          'CYAN': '\\\\x1b[36m',
    29          'WHITE': '\\\\x1b[37m',
    30          'WHITE_ON_RED': '\\\\x1b[37;41;1m',
    31          'RED_NO_BG': '\\\\x1b[31;49;1m',
    32          'RESET': '\\\\x1b[0m',
    33          'ERASE_AFTER': '\\\\x1b[K',
    34      }
    35      return build_rule(
    36          name = name,
    37          srcs = srcs,
    38          outs = srcs,
    39          cmd = 'for SRC in $SRCS; do sed %s $SRC > $(basename $SRC); done' % ' '.join(["-e 's/${%s}/%s/g'" % (k, v) for k, v in sorted(REPLACEMENTS.items())]),
    40          deps = deps,
    41          visibility = visibility,
    42      )