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author | Ben Kehoe <ben@kehoe.io> | 2022-02-20 14:10:10 -0700 |
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committer | Ben Kehoe <ben@kehoe.io> | 2022-02-20 14:10:10 -0700 |
commit | d811454192adb18fc3a9aa333fc27e4e48ddd723 (patch) | |
tree | 8dc471a90a596320a5338638622f6e734f295364 | |
parent | 04e4ac28b935f7538fa54d8ffd385549015040b5 (diff) | |
download | python-json-pointer-d811454192adb18fc3a9aa333fc27e4e48ddd723.tar.gz |
Add join method and / operator
-rw-r--r-- | jsonpointer.py | 19 | ||||
-rwxr-xr-x | tests.py | 36 |
2 files changed, 54 insertions, 1 deletions
diff --git a/jsonpointer.py b/jsonpointer.py index 3eaea19..d9fe0c0 100644 --- a/jsonpointer.py +++ b/jsonpointer.py @@ -54,7 +54,7 @@ try: except ImportError: # Python 3 from collections import Mapping, Sequence -from itertools import tee +from itertools import tee, chain import re import copy @@ -299,6 +299,23 @@ class JsonPointer(object): """ Returns True if self contains the given ptr """ return self.contains(item) + def join(self, suffix): + """ Returns a new JsonPointer with the given suffix append to this ptr """ + if isinstance(suffix, JsonPointer): + suffix_parts = suffix.parts + elif isinstance(suffix, str): + suffix_parts = JsonPointer(suffix).parts + else: + suffix_parts = suffix + try: + return JsonPointer.from_parts(chain(self.parts, suffix_parts)) + except: + raise JsonPointerException("Invalid suffix") + + def __truediv__(self, suffix): # Python 3 + return self.join(suffix) + __div__ = __truediv__ # Python 2 + @property def path(self): """Returns the string representation of the pointer @@ -175,6 +175,42 @@ class ComparisonTests(unittest.TestCase): self.assertTrue(self.ptr1 in self.ptr1) self.assertFalse(self.ptr3 in self.ptr1) + def test_join(self): + + ptr12a = self.ptr1.join(self.ptr2) + self.assertEqual(ptr12a.path, "/a/b/c/a/b") + + ptr12b = self.ptr1.join(self.ptr2.parts) + self.assertEqual(ptr12b.path, "/a/b/c/a/b") + + ptr12c = self.ptr1.join(self.ptr2.parts[0:1]) + self.assertEqual(ptr12c.path, "/a/b/c/a") + + ptr12d = self.ptr1.join("/a/b") + self.assertEqual(ptr12d.path, "/a/b/c/a/b") + + ptr12e = self.ptr1.join(["a", "b"]) + self.assertEqual(ptr12e.path, "/a/b/c/a/b") + + self.assertRaises(JsonPointerException, self.ptr1.join, 0) + + def test_join_magic(self): + + ptr12a = self.ptr1 / self.ptr2 + self.assertEqual(ptr12a.path, "/a/b/c/a/b") + + ptr12b = self.ptr1 / self.ptr2.parts + self.assertEqual(ptr12b.path, "/a/b/c/a/b") + + ptr12c = self.ptr1 / self.ptr2.parts[0:1] + self.assertEqual(ptr12c.path, "/a/b/c/a") + + ptr12d = self.ptr1 / "/a/b" + self.assertEqual(ptr12d.path, "/a/b/c/a/b") + + ptr12e = self.ptr1 / ["a", "b"] + self.assertEqual(ptr12e.path, "/a/b/c/a/b") + class WrongInputTests(unittest.TestCase): def test_no_start_slash(self): |