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Use the pattern_str to find any match in a list of strings
This is a helper function for :func:`egrep_hierarchy`.
Note that this function is never called with the `subindex`
parameter set.
Parameters
----------
strlist : [str, ...]
list of strings in which to look for the pattern
pattern_str : str
regular expression pattern
subindex : [int, ...]
list of indexes of strings in strlist, specifying the elements
in which to look for the pattern
Returns
-------
[int, ...]
a list of indexes for the matches in the origin list
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Grep the nth item of a hierarchy [(x, [a, b]),...]
This is a helper function for :func:`matched_hierarchy`.
Note that this function is never called with the `subhier` and `nth`
parameters set.
Parameters
----------
hier : [(str, [str, ...]), (str, [str, ...]), ...]
list of tuples with severity and bug list
pattern_str : str
regular expression pattern
subhier : [[int, ...], ...], optional
subhierarchy indices
nth : int, optional
should always be 1 (one)
Returns
-------
[[int, ...], [int, ...], ...]
a subhierarchy (for each severity in the input hierarchy, the
list of indexes of the bugs matching the pattern_str)
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Create a new hierarchy from a pattern matching
Parameters
----------
hier : [(str, [str, ...]), (str, [str, ...]), ...]
list of tuples with severity and bug list
pattern_str : str
regular expression pattern
Returns
-------
[(str, [str, ...]), (str, [str, ...]), ...]
list of tuples with severity and bug list, only including bugs
matching the pattern_str
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