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import json
import re
TEXT_CODES = {'bold': {'start': '\x1b[1m',
'end': '\x1b[22m'},
'cyan': {'start': '\x1b[36m',
'end': '\x1b[39m'},
'blue': {'start': '\x1b[34m',
'end': '\x1b[39m'},
'red': {'start': '\x1b[31m',
'end': '\x1b[39m'},
'magenta': {'start': '\x1b[35m',
'end': '\x1b[39m'},
'green': {'start': '\x1b[32m',
'end': '\x1b[39m'},
'yellow': {'start': '\x1b[33m',
'end': '\x1b[39m'},
'underline': {'start': '\x1b[4m',
'end': '\x1b[24m'}}
class TextCodesStripper:
keys = [re.escape(v['start']) for k,v in TEXT_CODES.items()]
keys += [re.escape(v['end']) for k,v in TEXT_CODES.items()]
pattern = re.compile("|".join(keys))
@staticmethod
def strip (s):
return re.sub(TextCodesStripper.pattern, '', s)
def clear_formatting(s):
return TextCodesStripper.strip(s)
def format_num (size, suffix = "", compact = True, opts = None):
if opts is None:
opts = ()
txt = "NaN"
if type(size) == str:
return "N/A"
u = ''
if compact:
for unit in ['','K','M','G','T','P']:
if abs(size) < 1000.0:
u = unit
break
size /= 1000.0
if isinstance(size, float):
txt = "%3.2f" % (size)
else:
txt = "{:,}".format(size)
if u or suffix:
txt += " {:}{:}".format(u, suffix)
if isinstance(opts, tuple):
return format_text(txt, *opts)
else:
return format_text(txt, (opts))
def format_time (t_sec):
if t_sec < 0:
return "infinite"
if t_sec == 0:
return "zero"
if t_sec < 1:
# low numbers
for unit in ['ms', 'usec', 'ns']:
t_sec *= 1000.0
if t_sec >= 1.0:
return '{:,.2f} [{:}]'.format(t_sec, unit)
return "NaN"
else:
# seconds
if t_sec < 60.0:
return '{:,.2f} [{:}]'.format(t_sec, 'sec')
# minutes
t_sec /= 60.0
if t_sec < 60.0:
return '{:,.2f} [{:}]'.format(t_sec, 'minutes')
# hours
t_sec /= 60.0
if t_sec < 24.0:
return '{:,.2f} [{:}]'.format(t_sec, 'hours')
# days
t_sec /= 24.0
return '{:,.2f} [{:}]'.format(t_sec, 'days')
def format_percentage (size):
return "%0.2f %%" % (size)
def bold(text):
return text_attribute(text, 'bold')
def cyan(text):
return text_attribute(text, 'cyan')
def blue(text):
return text_attribute(text, 'blue')
def red(text):
return text_attribute(text, 'red')
def magenta(text):
return text_attribute(text, 'magenta')
def green(text):
return text_attribute(text, 'green')
def yellow(text):
return text_attribute(text, 'yellow')
def underline(text):
return text_attribute(text, 'underline')
# apply attribute on each non-empty line
def text_attribute(text, attribute):
return '\n'.join(['{start}{txt}{end}'.format(
start = TEXT_CODES[attribute]['start'],
txt = line,
end = TEXT_CODES[attribute]['end'])
if line else '' for line in ('%s' % text).split('\n')])
FUNC_DICT = {'blue': blue,
'bold': bold,
'green': green,
'yellow': yellow,
'cyan': cyan,
'magenta': magenta,
'underline': underline,
'red': red}
def format_text(text, *args):
return_string = text
for i in args:
func = FUNC_DICT.get(i)
if func:
return_string = func(return_string)
return return_string
def format_threshold (value, red_zone, green_zone):
try:
if value >= red_zone[0] and value <= red_zone[1]:
return format_text("{0}".format(value), 'red')
if value >= green_zone[0] and value <= green_zone[1]:
return format_text("{0}".format(value), 'green')
except TypeError:
# if value is not comparable or not a number - skip this
pass
return "{0}".format(value)
# pretty print for JSON
def pretty_json (json_str, use_colors = True):
pretty_str = json.dumps(json.loads(json_str), indent = 4, separators=(',', ': '), sort_keys = True)
if not use_colors:
return pretty_str
try:
# int numbers
pretty_str = re.sub(r'([ ]*:[ ]+)(\-?[1-9][0-9]*[^.])',r'\1{0}'.format(blue(r'\2')), pretty_str)
# float
pretty_str = re.sub(r'([ ]*:[ ]+)(\-?[1-9][0-9]*\.[0-9]+)',r'\1{0}'.format(magenta(r'\2')), pretty_str)
# # strings
#
pretty_str = re.sub(r'([ ]*:[ ]+)("[^"]*")',r'\1{0}'.format(red(r'\2')), pretty_str)
pretty_str = re.sub(r"('[^']*')", r'{0}\1{1}'.format(TEXT_CODES['magenta']['start'],
TEXT_CODES['red']['start']), pretty_str)
except :
pass
return pretty_str
if __name__ == "__main__":
pass
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