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Add keys method to Parser class #46

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merged 2 commits into from Nov 17, 2022
Merged

Add keys method to Parser class #46

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a87aec1
Add keys method to Parser class
carloshorn Nov 17, 2022
b04b6a2
Clarify docstring of Parser keys method
djhoese Nov 17, 2022
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5 changes: 5 additions & 0 deletions trollsift/parser.py
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Expand Up @@ -33,6 +33,11 @@ def __init__(self, fmt):
def __str__(self):
return self.fmt

def keys(self):
"""Get parameter names defined in the format string."""
convert_dict = get_convert_dict(self.fmt)
return convert_dict.keys()

def parse(self, stri, full_match=True):
'''Parse keys and corresponding values from *stri* using format
described in *fmt* string.
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8 changes: 7 additions & 1 deletion trollsift/tests/unittests/test_parser.py
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Expand Up @@ -4,7 +4,7 @@

from trollsift.parser import get_convert_dict, extract_values
from trollsift.parser import _convert
from trollsift.parser import parse, globify, validate, is_one2one, compose
from trollsift.parser import parse, globify, validate, is_one2one, compose, Parser


class TestParser(unittest.TestCase):
Expand All @@ -17,6 +17,12 @@ def setUp(self):
self.string3 = "/somedir/otherdir/hrpt_noaa16_20140210_1004_69022"
self.string4 = "/somedir/otherdir/hrpt_noaa16_20140210_1004_69022"

def test_parser_keys(self):
parser = Parser(self.fmt)
keys = {"directory", "platform", "platnum", "time", "orbit"}
self.assertTrue(keys.issubset(parser.keys())
and keys.issuperset(parser.keys()))

def test_get_convert_dict(self):
# Run
result = get_convert_dict(self.fmt)
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