add ydb deps

1 files changed, 35 insertions, 0 deletions

diff --git a/contrib/python/PyHamcrest/py3/hamcrest/library/collection/is_empty.py b/contrib/python/PyHamcrest/py3/hamcrest/library/collection/is_empty.py
new file mode 100644
index 00000000000..bc99b633730
--- /dev/null
+++ b/contrib/python/PyHamcrest/py3/hamcrest/library/collection/is_empty.py
@@ -0,0 +1,35 @@
+from hamcrest.core.base_matcher import BaseMatcher
+
+__author__ = "Chris Rose"
+__copyright__ = "Copyright 2012 hamcrest.org"
+__license__ = "BSD, see License.txt"
+
+
+class IsEmpty(BaseMatcher):
+
+    def matches(self, item, mismatch_description=None):
+        try:
+            if len(item) == 0:
+                return True
+
+            if mismatch_description:
+                mismatch_description \
+                    .append_text('has %d item(s)' % len(item))
+
+        except TypeError:
+            if mismatch_description:
+                mismatch_description \
+                    .append_text('does not support length')
+
+            return False
+
+    def describe_to(self, description):
+        description.append_text('an empty collection')
+
+
+def empty():
+    """
+    This matcher matches any collection-like object that responds to the
+    __len__ method, and has a length of 0.
+    """
+    return IsEmpty()