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Diffstat (limited to '.venv/lib/python3.12/site-packages/openpyxl/utils/inference.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/openpyxl/utils/inference.py | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/openpyxl/utils/inference.py b/.venv/lib/python3.12/site-packages/openpyxl/utils/inference.py new file mode 100644 index 00000000..aff02a2b --- /dev/null +++ b/.venv/lib/python3.12/site-packages/openpyxl/utils/inference.py @@ -0,0 +1,60 @@ +# Copyright (c) 2010-2024 openpyxl + +""" +Type inference functions +""" +import datetime +import re + +from openpyxl.styles import numbers + +PERCENT_REGEX = re.compile(r'^(?P<number>\-?[0-9]*\.?[0-9]*\s?)\%$') +TIME_REGEX = re.compile(r""" +^(?: # HH:MM and HH:MM:SS +(?P<hour>[0-1]{0,1}[0-9]{2}): +(?P<minute>[0-5][0-9]):? +(?P<second>[0-5][0-9])?$) +| +^(?: # MM:SS. +([0-5][0-9]): +([0-5][0-9])?\. +(?P<microsecond>\d{1,6})) +""", re.VERBOSE) +NUMBER_REGEX = re.compile(r'^-?([\d]|[\d]+\.[\d]*|\.[\d]+|[1-9][\d]+\.?[\d]*)((E|e)[-+]?[\d]+)?$') + + +def cast_numeric(value): + """Explicitly convert a string to a numeric value""" + if NUMBER_REGEX.match(value): + try: + return int(value) + except ValueError: + return float(value) + + +def cast_percentage(value): + """Explicitly convert a string to numeric value and format as a + percentage""" + match = PERCENT_REGEX.match(value) + if match: + return float(match.group('number')) / 100 + + + +def cast_time(value): + """Explicitly convert a string to a number and format as datetime or + time""" + match = TIME_REGEX.match(value) + if match: + if match.group("microsecond") is not None: + value = value[:12] + pattern = "%M:%S.%f" + #fmt = numbers.FORMAT_DATE_TIME5 + elif match.group('second') is None: + #fmt = numbers.FORMAT_DATE_TIME3 + pattern = "%H:%M" + else: + pattern = "%H:%M:%S" + #fmt = numbers.FORMAT_DATE_TIME6 + value = datetime.datetime.strptime(value, pattern) + return value.time() |