--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.9/site-packages/allure_commons/mapping.py	Mon Mar 22 18:12:50 2021 +0000
@@ -0,0 +1,119 @@
+from itertools import chain, islice
+import attr
+import re
+from allure_commons.types import Severity, LabelType, LinkType
+from allure_commons.types import ALLURE_UNIQUE_LABELS
+from allure_commons.model2 import Label, Link
+
+
+TAG_PREFIX = "allure"
+
+semi_sep = re.compile(r"allure[\.\w]+:")
+eq_sep = re.compile(r"allure[\.\w]+=")
+
+
+def allure_tag_sep(tag):
+    if semi_sep.search(tag):
+        return ":"
+    if eq_sep.search(tag):
+        return "="
+
+
+def __is(kind, t):
+    return kind in [v for k, v in t.__dict__.items() if not k.startswith('__')]
+
+
+def parse_tag(tag, issue_pattern=None, link_pattern=None):
+    """
+    >>> parse_tag("blocker")
+    Label(name='severity', value='blocker')
+
+    >>> parse_tag("allure.issue:http://example.com/BUG-42")
+    Link(type='issue', url='http://example.com/BUG-42', name='http://example.com/BUG-42')
+
+    >>> parse_tag("allure.link.home:http://qameta.io")
+    Link(type='link', url='http://qameta.io', name='home')
+
+    >>> parse_tag("allure.suite:mapping")
+    Label(name='suite', value='mapping')
+
+    >>> parse_tag("allure.suite:mapping")
+    Label(name='suite', value='mapping')
+
+    >>> parse_tag("allure.label.owner:me")
+    Label(name='owner', value='me')
+
+    >>> parse_tag("foo.label:1")
+    Label(name='tag', value='foo.label:1')
+
+    >>> parse_tag("allure.foo:1")
+    Label(name='tag', value='allure.foo:1')
+    """
+    sep = allure_tag_sep(tag)
+    schema, value = islice(chain(tag.split(sep, 1), [None]), 2)
+    prefix, kind, name = islice(chain(schema.split('.'), [None], [None]), 3)
+
+    if tag in [severity for severity in Severity]:
+        return Label(name=LabelType.SEVERITY, value=tag)
+
+    if prefix == TAG_PREFIX and value is not None:
+
+        if __is(kind, LinkType):
+            if issue_pattern and kind == "issue" and not value.startswith("http"):
+                value = issue_pattern.format(value)
+            if link_pattern and kind == "link" and not value.startswith("http"):
+                value = link_pattern.format(value)
+            return Link(type=kind, name=name or value, url=value)
+
+        if __is(kind, LabelType):
+            return Label(name=kind, value=value)
+
+        if kind == "id":
+            return Label(name=LabelType.ID, value=value)
+
+        if kind == "label" and name is not None:
+            return Label(name=name, value=value)
+
+    return Label(name=LabelType.TAG, value=tag)
+
+
+def labels_set(labels):
+    """
+    >>> labels_set([Label(name=LabelType.SEVERITY, value=Severity.NORMAL),
+    ...             Label(name=LabelType.SEVERITY, value=Severity.BLOCKER)
+    ... ])
+    [Label(name='severity', value=<Severity.BLOCKER: 'blocker'>)]
+
+    >>> labels_set([Label(name=LabelType.SEVERITY, value=Severity.NORMAL),
+    ...             Label(name='severity', value='minor')
+    ... ])
+    [Label(name='severity', value='minor')]
+
+    >>> labels_set([Label(name=LabelType.EPIC, value="Epic"),
+    ...             Label(name=LabelType.EPIC, value="Epic")
+    ... ])
+    [Label(name='epic', value='Epic')]
+
+    >>> labels_set([Label(name=LabelType.EPIC, value="Epic1"),
+    ...             Label(name=LabelType.EPIC, value="Epic2")
+    ... ])
+    [Label(name='epic', value='Epic1'), Label(name='epic', value='Epic2')]
+    """
+    class Wl(object):
+        def __init__(self, label):
+            self.label = label
+
+        def __repr__(self):
+            return "{name}{value}".format(**attr.asdict(self.label))
+
+        def __eq__(self, other):
+            if self.label.name in ALLURE_UNIQUE_LABELS:
+                return self.label.name == other.label.name
+            return repr(self) == repr(other)
+
+        def __hash__(self):
+            if self.label.name in ALLURE_UNIQUE_LABELS:
+                return hash(self.label.name)
+            return hash(repr(self))
+
+    return sorted([wl.label for wl in set([Wl(label) for label in reversed(labels)])])