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Merge letters and numbers into one function

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This commit is contained in:
Ryan Breaker 2017-10-24 17:55:00 -05:00
parent 3d91153275
commit c107f35118
1 changed files with 11 additions and 14 deletions
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25
netbox/utilities/forms.py
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@ -39,7 +39,7 @@ COLOR_CHOICES = (
('111111', 'Black'),
)
NUMERIC_EXPANSION_PATTERN = '\[((?:\d+[?:,-])+\d+)\]'
ALPHABETIC_EXPANSION_PATTERN = '\[((?:[a-z]+[?:,-])+[a-z]+)\]'
ALPHANUMERIC_EXPANSION_PATTERN = '\[((?:\w+[?:,-])+\w+)\]'
IP4_EXPANSION_PATTERN = '\[((?:[0-9]{1,3}[?:,-])+[0-9]{1,3})\]'
IP6_EXPANSION_PATTERN = '\[((?:[0-9a-f]{1,4}[?:,-])+[0-9a-f]{1,4})\]'
@ -78,9 +78,9 @@ def expand_numeric_pattern(string):
yield "{}{}{}".format(lead, i, remnant)
def parse_alphabetic_range(string):
def parse_alphanumeric_range(string):
"""
Expand an alphabetic range (continuous or not) into a list.
Expand an alphanumeric range (continuous or not) into a list.
'a-d,f' => ['a', 'b', 'c', 'd', 'f']
"""
values = []
@ -95,15 +95,15 @@ def parse_alphabetic_range(string):
return values
def expand_alphabetic_pattern(string):
def expand_alphanumeric_pattern(string):
"""
Expand an alphabetic pattern into a list of strings.
"""
lead, pattern, remnant = re.split(ALPHABETIC_EXPANSION_PATTERN, string, maxsplit=1)
parsed_range = parse_alphabetic_range(pattern)
lead, pattern, remnant = re.split(ALPHANUMERIC_EXPANSION_PATTERN, string, maxsplit=1)
parsed_range = parse_alphanumeric_range(pattern)
for i in parsed_range:
if re.search(ALPHABETIC_EXPANSION_PATTERN, remnant):
for string in expand_alphabetic_pattern(remnant):
if re.search(ALPHANUMERIC_EXPANSION_PATTERN, remnant):
for string in expand_alphanumeric_pattern(remnant):
yield "{}{}{}".format(lead, i, string)
else:
yield "{}{}{}".format(lead, i, remnant)
@ -339,12 +339,9 @@ class ExpandableNameField(forms.CharField):
'Example: <code>ge-0/0/[0-23,25,30]</code>'
def to_python(self, value):
values = []
if re.search(NUMERIC_EXPANSION_PATTERN, value):
values += expand_numeric_pattern(value)
if re.search(ALPHABETIC_EXPANSION_PATTERN, value):
values += expand_alphabetic_pattern(value)
return values
if re.search(ALPHANUMERIC_EXPANSION_PATTERN, value):
return list(expand_alphanumeric_pattern(value))
return [value]
class ExpandableIPAddressField(forms.CharField):