def _number_extracter(s, regex, numconv, py3_safe, use_locale, group_letters):
"""Helper to separate the string input into numbers and strings."""
conv_check = (numconv, _conv_to_check[numconv])
# Split the input string by numbers.
# If the input is not a string, TypeError is raised.
s = regex.split(s)
# Now convert the numbers to numbers, and leave strings as strings.
# Take into account locale if needed, and group letters if needed.
# Remove empty strings from the list.
if use_locale:
s = [locale_convert(x, conv_check, group_letters) for x in s if x]
elif group_letters:
s = [grouper(x, conv_check) for x in s if x]
else:
s = [numconv(x) for x in s if x]
# If the list begins with a number, lead with an empty string.
# This is used to get around the "unorderable types" issue.
if not s: # Return empty list for empty results.
return []
elif conv_check[1](s[0], num_only=True):
s = [null_string if use_locale else ''] + s
# The _py3_safe function inserts "" between numbers in the list,
# and is used to get around "unorderable types" in complex cases.
# It is a separate function that needs to be requested specifically
# because it is expensive to call.
return _py3_safe(s, use_locale, conv_check[1]) if py3_safe else s
def _number_extracter(s, regex, numconv, py3_safe, use_locale, group_letters):
"""Helper to separate the string input into numbers and strings."""
conv_check = (numconv, _conv_to_check[numconv])
# Split the input string by numbers.
# If the input is not a string, TypeError is raised.
s = regex.split(s)
# Now convert the numbers to numbers, and leave strings as strings.
# Take into account locale if needed, and group letters if needed.
# Remove empty strings from the list.
if use_locale:
s = [locale_convert(x, conv_check, group_letters) for x in s if x]
elif group_letters:
s = [grouper(x, conv_check) for x in s if x]
else:
s = [numconv(x) for x in s if x]
# If the list begins with a number, lead with an empty string.
# This is used to get around the "unorderable types" issue.
if not s: # Return empty list for empty results.
return []
elif conv_check[1](s[0], num_only=True):
s = [null_string if use_locale else ''] + s
# The _py3_safe function inserts "" between numbers in the list,
# and is used to get around "unorderable types" in complex cases.
# It is a separate function that needs to be requested specifically
# because it is expensive to call.
return _py3_safe(s, use_locale, conv_check[1]) if py3_safe else s
def test_grouper_returns_float_string_as_float():
assert grouper('45.8e-2', fast_float) == 45.8e-2
def test_grouper_returns_letters_with_lowercase_transform_of_letter():
assert grouper('HELLO', fast_float) == 'hHeElLlLoO'
assert grouper('hello', fast_float) == 'hheelllloo'
def test_grouper_returns_float_string_as_float(x):
assume(not isnan(x))
assert grouper(repr(x), (fast_float, isfloat)) == x
def test_grouper_returns_float_string_as_float_example():
assert grouper('45.8e-2', (fast_float, isfloat)) == 45.8e-2
def test_grouper_returns_letters_with_lowercase_transform_of_letter(x):
assume(type(fast_float(x)) is not float)
assert grouper(x, (fast_float, isfloat)) == ''.join(
chain.from_iterable([low(y), y] for y in x))
def test_grouper_returns_letters_with_lowercase_transform_of_letter_example():
assert grouper('HELLO', (fast_float, isfloat)) == 'hHeElLlLoO'
assert grouper('hello', (fast_float, isfloat)) == 'hheelllloo'
def test_grouper_returns_float_string_as_float(x):
assume(not isnan(x))
assert grouper(repr(x), (fast_float, isfloat)) == x
def test_grouper_returns_float_string_as_float_example():
assert grouper('45.8e-2', (fast_float, isfloat)) == 45.8e-2
def test_grouper_returns_letters_with_lowercase_transform_of_letter(x):
assume(type(fast_float(x)) is not float)
assert grouper(x, (fast_float, isfloat)) == ''.join(chain.from_iterable([low(y), y] for y in x))
def test_grouper():
assert grouper('HELLO', fast_float) == 'hHeElLlLoO'
assert grouper('hello', fast_float) == 'hheelllloo'
assert grouper('45.8e-2', fast_float) == 45.8e-2
def test_grouper_returns_float_string_as_float():
assert grouper('45.8e-2', fast_float) == 45.8e-2