xarray_regex.matcher¶

Matcher object.

Classes

Matcher(m, idx)

Manage a matcher inside the pre-regex.

class xarray_regex.matcher.Matcher(m: re.match, idx: int = 0)¶

Bases: object

Manage a matcher inside the pre-regex.

Parameters

m (re.match) – Match object obtained to find matchers in the pre-regex.
idx (int) – Index inside the pre-regex.

idx¶

Index inside the pre-regex.

Type: int

group¶

Group name.

Type: str

name¶

Matcher name.

Type: str

custom¶

If there is a custom regex to use preferentially.

Type: bool

rgx¶

Regex.

Type: str

discard¶

If the matcher should not be used when retrieving values from matches.

Type: bool

match¶

The string that created the matcher %(match).

Type: str

NAME_RGX = {'B': '[a-zA-Z]*', 'F': '%Y-%m-%d', 'H': '\\d\\d', 'M': '\\d\\d', 'S': '\\d\\d', 'X': '%H%M%S', 'Y': '\\d\\d\\d\\d', 'char': '\\S*', 'd': '\\d\\d', 'idx': '\\d+', 'j': '\\d\\d\\d', 'm': '\\d\\d', 'text': '[a-zA-Z]*', 'x': '%Y%m%d'}¶: Regex str for each type of element.

get_regex() → str¶

Get matcher regex.

Replace the matchers name by regex from Matcher.NAME_RGX. If there is a custom regex, recursively replace ‘%’ followed by a single letter by the corresponding regex from NAME_RGX. ‘%%’ is replaced by a single percentage character.

Raises: KeyError – Unknown replacement.

set_matcher(m: re.match)¶

Find attributes from match.

Raises

NameError – No name.
ValueError – Empty custom regex.