Add support for pydantic v2 via pydantic.v1 compat module (#16332)

While maintaining support with pydantic v1.

changelog.d/16332.misc

@@ -0,0 +1 @@
+Added support for pydantic v2 in addition to pydantic v1. Contributed by Maxwell G (@gotmax23).

poetry.lock

@@ -11,6 +11,20 @@ files = [
     {file = "alabaster-0.7.13.tar.gz", hash = "sha256:a27a4a084d5e690e16e01e03ad2b2e552c61a65469419b907243193de1a84ae2"},
 ]
 
+[[package]]
+name = "annotated-types"
+version = "0.5.0"
+description = "Reusable constraint types to use with typing.Annotated"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "annotated_types-0.5.0-py3-none-any.whl", hash = "sha256:58da39888f92c276ad970249761ebea80ba544b77acddaa1a4d6cf78287d45fd"},
+    {file = "annotated_types-0.5.0.tar.gz", hash = "sha256:47cdc3490d9ac1506ce92c7aaa76c579dc3509ff11e098fc867e5130ab7be802"},
+]
+
+[package.dependencies]
+typing-extensions = {version = ">=4.0.0", markers = "python_version < \"3.9\""}
+
 [[package]]
 name = "astroid"
 version = "2.15.0"
@@ -1818,55 +1832,140 @@ files = [
 
 [[package]]
 name = "pydantic"
-version = "1.10.11"
-description = "Data validation and settings management using python type hints"
+version = "2.3.0"
+description = "Data validation using Python type hints"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "pydantic-2.3.0-py3-none-any.whl", hash = "sha256:45b5e446c6dfaad9444819a293b921a40e1db1aa61ea08aede0522529ce90e81"},
+    {file = "pydantic-2.3.0.tar.gz", hash = "sha256:1607cc106602284cd4a00882986570472f193fde9cb1259bceeaedb26aa79a6d"},
+]
+
+[package.dependencies]
+annotated-types = ">=0.4.0"
+pydantic-core = "2.6.3"
+typing-extensions = ">=4.6.1"
+
+[package.extras]
+email = ["email-validator (>=2.0.0)"]
+
+[[package]]
+name = "pydantic-core"
+version = "2.6.3"
+description = ""
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "pydantic-1.10.11-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:ff44c5e89315b15ff1f7fdaf9853770b810936d6b01a7bcecaa227d2f8fe444f"},
-    {file = "pydantic-1.10.11-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:a6c098d4ab5e2d5b3984d3cb2527e2d6099d3de85630c8934efcfdc348a9760e"},
-    {file = "pydantic-1.10.11-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:16928fdc9cb273c6af00d9d5045434c39afba5f42325fb990add2c241402d151"},
-    {file = "pydantic-1.10.11-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:0588788a9a85f3e5e9ebca14211a496409cb3deca5b6971ff37c556d581854e7"},
-    {file = "pydantic-1.10.11-cp310-cp310-musllinux_1_1_i686.whl", hash = "sha256:e9baf78b31da2dc3d3f346ef18e58ec5f12f5aaa17ac517e2ffd026a92a87588"},
-    {file = "pydantic-1.10.11-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:373c0840f5c2b5b1ccadd9286782852b901055998136287828731868027a724f"},
-    {file = "pydantic-1.10.11-cp310-cp310-win_amd64.whl", hash = "sha256:c3339a46bbe6013ef7bdd2844679bfe500347ac5742cd4019a88312aa58a9847"},
-    {file = "pydantic-1.10.11-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:08a6c32e1c3809fbc49debb96bf833164f3438b3696abf0fbeceb417d123e6eb"},
-    {file = "pydantic-1.10.11-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:a451ccab49971af043ec4e0d207cbc8cbe53dbf148ef9f19599024076fe9c25b"},
-    {file = "pydantic-1.10.11-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:5b02d24f7b2b365fed586ed73582c20f353a4c50e4be9ba2c57ab96f8091ddae"},
-    {file = "pydantic-1.10.11-cp311-cp311-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:3f34739a89260dfa420aa3cbd069fbcc794b25bbe5c0a214f8fb29e363484b66"},
-    {file = "pydantic-1.10.11-cp311-cp311-musllinux_1_1_i686.whl", hash = "sha256:e297897eb4bebde985f72a46a7552a7556a3dd11e7f76acda0c1093e3dbcf216"},
-    {file = "pydantic-1.10.11-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:d185819a7a059550ecb85d5134e7d40f2565f3dd94cfd870132c5f91a89cf58c"},
-    {file = "pydantic-1.10.11-cp311-cp311-win_amd64.whl", hash = "sha256:4400015f15c9b464c9db2d5d951b6a780102cfa5870f2c036d37c23b56f7fc1b"},
-    {file = "pydantic-1.10.11-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:2417de68290434461a266271fc57274a138510dca19982336639484c73a07af6"},
-    {file = "pydantic-1.10.11-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:331c031ba1554b974c98679bd0780d89670d6fd6f53f5d70b10bdc9addee1713"},
-    {file = "pydantic-1.10.11-cp37-cp37m-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:8268a735a14c308923e8958363e3a3404f6834bb98c11f5ab43251a4e410170c"},
-    {file = "pydantic-1.10.11-cp37-cp37m-musllinux_1_1_i686.whl", hash = "sha256:44e51ba599c3ef227e168424e220cd3e544288c57829520dc90ea9cb190c3248"},
-    {file = "pydantic-1.10.11-cp37-cp37m-musllinux_1_1_x86_64.whl", hash = "sha256:d7781f1d13b19700b7949c5a639c764a077cbbdd4322ed505b449d3ca8edcb36"},
-    {file = "pydantic-1.10.11-cp37-cp37m-win_amd64.whl", hash = "sha256:7522a7666157aa22b812ce14c827574ddccc94f361237ca6ea8bb0d5c38f1629"},
-    {file = "pydantic-1.10.11-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:bc64eab9b19cd794a380179ac0e6752335e9555d214cfcb755820333c0784cb3"},
-    {file = "pydantic-1.10.11-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:8dc77064471780262b6a68fe67e013298d130414d5aaf9b562c33987dbd2cf4f"},
-    {file = "pydantic-1.10.11-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:fe429898f2c9dd209bd0632a606bddc06f8bce081bbd03d1c775a45886e2c1cb"},
-    {file = "pydantic-1.10.11-cp38-cp38-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:192c608ad002a748e4a0bed2ddbcd98f9b56df50a7c24d9a931a8c5dd053bd3d"},
-    {file = "pydantic-1.10.11-cp38-cp38-musllinux_1_1_i686.whl", hash = "sha256:ef55392ec4bb5721f4ded1096241e4b7151ba6d50a50a80a2526c854f42e6a2f"},
-    {file = "pydantic-1.10.11-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:41e0bb6efe86281623abbeeb0be64eab740c865388ee934cd3e6a358784aca6e"},
-    {file = "pydantic-1.10.11-cp38-cp38-win_amd64.whl", hash = "sha256:265a60da42f9f27e0b1014eab8acd3e53bd0bad5c5b4884e98a55f8f596b2c19"},
-    {file = "pydantic-1.10.11-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:469adf96c8e2c2bbfa655fc7735a2a82f4c543d9fee97bd113a7fb509bf5e622"},
-    {file = "pydantic-1.10.11-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:e6cbfbd010b14c8a905a7b10f9fe090068d1744d46f9e0c021db28daeb8b6de1"},
-    {file = "pydantic-1.10.11-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:abade85268cc92dff86d6effcd917893130f0ff516f3d637f50dadc22ae93999"},
-    {file = "pydantic-1.10.11-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:e9738b0f2e6c70f44ee0de53f2089d6002b10c33264abee07bdb5c7f03038303"},
-    {file = "pydantic-1.10.11-cp39-cp39-musllinux_1_1_i686.whl", hash = "sha256:787cf23e5a0cde753f2eabac1b2e73ae3844eb873fd1f5bdbff3048d8dbb7604"},
-    {file = "pydantic-1.10.11-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:174899023337b9fc685ac8adaa7b047050616136ccd30e9070627c1aaab53a13"},
-    {file = "pydantic-1.10.11-cp39-cp39-win_amd64.whl", hash = "sha256:1954f8778489a04b245a1e7b8b22a9d3ea8ef49337285693cf6959e4b757535e"},
-    {file = "pydantic-1.10.11-py3-none-any.whl", hash = "sha256:008c5e266c8aada206d0627a011504e14268a62091450210eda7c07fabe6963e"},
-    {file = "pydantic-1.10.11.tar.gz", hash = "sha256:f66d479cf7eb331372c470614be6511eae96f1f120344c25f3f9bb59fb1b5528"},
-]
-
-[package.dependencies]
-typing-extensions = ">=4.2.0"
-
-[package.extras]
-dotenv = ["python-dotenv (>=0.10.4)"]
-email = ["email-validator (>=1.0.3)"]
+    {file = "pydantic_core-2.6.3-cp310-cp310-macosx_10_7_x86_64.whl", hash = "sha256:1a0ddaa723c48af27d19f27f1c73bdc615c73686d763388c8683fe34ae777bad"},
+    {file = "pydantic_core-2.6.3-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:5cfde4fab34dd1e3a3f7f3db38182ab6c95e4ea91cf322242ee0be5c2f7e3d2f"},
+    {file = "pydantic_core-2.6.3-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:5493a7027bfc6b108e17c3383959485087d5942e87eb62bbac69829eae9bc1f7"},
+    {file = "pydantic_core-2.6.3-cp310-cp310-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:84e87c16f582f5c753b7f39a71bd6647255512191be2d2dbf49458c4ef024588"},
+    {file = "pydantic_core-2.6.3-cp310-cp310-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:522a9c4a4d1924facce7270c84b5134c5cabcb01513213662a2e89cf28c1d309"},
+    {file = "pydantic_core-2.6.3-cp310-cp310-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:aaafc776e5edc72b3cad1ccedb5fd869cc5c9a591f1213aa9eba31a781be9ac1"},
+    {file = "pydantic_core-2.6.3-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:3a750a83b2728299ca12e003d73d1264ad0440f60f4fc9cee54acc489249b728"},
+    {file = "pydantic_core-2.6.3-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:9e8b374ef41ad5c461efb7a140ce4730661aadf85958b5c6a3e9cf4e040ff4bb"},
+    {file = "pydantic_core-2.6.3-cp310-cp310-musllinux_1_1_aarch64.whl", hash = "sha256:b594b64e8568cf09ee5c9501ede37066b9fc41d83d58f55b9952e32141256acd"},
+    {file = "pydantic_core-2.6.3-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:2a20c533cb80466c1d42a43a4521669ccad7cf2967830ac62c2c2f9cece63e7e"},
+    {file = "pydantic_core-2.6.3-cp310-none-win32.whl", hash = "sha256:04fe5c0a43dec39aedba0ec9579001061d4653a9b53a1366b113aca4a3c05ca7"},
+    {file = "pydantic_core-2.6.3-cp310-none-win_amd64.whl", hash = "sha256:6bf7d610ac8f0065a286002a23bcce241ea8248c71988bda538edcc90e0c39ad"},
+    {file = "pydantic_core-2.6.3-cp311-cp311-macosx_10_7_x86_64.whl", hash = "sha256:6bcc1ad776fffe25ea5c187a028991c031a00ff92d012ca1cc4714087e575973"},
+    {file = "pydantic_core-2.6.3-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:df14f6332834444b4a37685810216cc8fe1fe91f447332cd56294c984ecbff1c"},
+    {file = "pydantic_core-2.6.3-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a0b7486d85293f7f0bbc39b34e1d8aa26210b450bbd3d245ec3d732864009819"},
+    {file = "pydantic_core-2.6.3-cp311-cp311-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:a892b5b1871b301ce20d40b037ffbe33d1407a39639c2b05356acfef5536d26a"},
+    {file = "pydantic_core-2.6.3-cp311-cp311-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:883daa467865e5766931e07eb20f3e8152324f0adf52658f4d302242c12e2c32"},
+    {file = "pydantic_core-2.6.3-cp311-cp311-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:d4eb77df2964b64ba190eee00b2312a1fd7a862af8918ec70fc2d6308f76ac64"},
+    {file = "pydantic_core-2.6.3-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:1ce8c84051fa292a5dc54018a40e2a1926fd17980a9422c973e3ebea017aa8da"},
+    {file = "pydantic_core-2.6.3-cp311-cp311-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:22134a4453bd59b7d1e895c455fe277af9d9d9fbbcb9dc3f4a97b8693e7e2c9b"},
+    {file = "pydantic_core-2.6.3-cp311-cp311-musllinux_1_1_aarch64.whl", hash = "sha256:02e1c385095efbd997311d85c6021d32369675c09bcbfff3b69d84e59dc103f6"},
+    {file = "pydantic_core-2.6.3-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:d79f1f2f7ebdb9b741296b69049ff44aedd95976bfee38eb4848820628a99b50"},
+    {file = "pydantic_core-2.6.3-cp311-none-win32.whl", hash = "sha256:430ddd965ffd068dd70ef4e4d74f2c489c3a313adc28e829dd7262cc0d2dd1e8"},
+    {file = "pydantic_core-2.6.3-cp311-none-win_amd64.whl", hash = "sha256:84f8bb34fe76c68c9d96b77c60cef093f5e660ef8e43a6cbfcd991017d375950"},
+    {file = "pydantic_core-2.6.3-cp311-none-win_arm64.whl", hash = "sha256:5a2a3c9ef904dcdadb550eedf3291ec3f229431b0084666e2c2aa8ff99a103a2"},
+    {file = "pydantic_core-2.6.3-cp312-cp312-macosx_10_7_x86_64.whl", hash = "sha256:8421cf496e746cf8d6b677502ed9a0d1e4e956586cd8b221e1312e0841c002d5"},
+    {file = "pydantic_core-2.6.3-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:bb128c30cf1df0ab78166ded1ecf876620fb9aac84d2413e8ea1594b588c735d"},
+    {file = "pydantic_core-2.6.3-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:37a822f630712817b6ecc09ccc378192ef5ff12e2c9bae97eb5968a6cdf3b862"},
+    {file = "pydantic_core-2.6.3-cp312-cp312-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:240a015102a0c0cc8114f1cba6444499a8a4d0333e178bc504a5c2196defd456"},
+    {file = "pydantic_core-2.6.3-cp312-cp312-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:3f90e5e3afb11268628c89f378f7a1ea3f2fe502a28af4192e30a6cdea1e7d5e"},
+    {file = "pydantic_core-2.6.3-cp312-cp312-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:340e96c08de1069f3d022a85c2a8c63529fd88709468373b418f4cf2c949fb0e"},
+    {file = "pydantic_core-2.6.3-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:1480fa4682e8202b560dcdc9eeec1005f62a15742b813c88cdc01d44e85308e5"},
+    {file = "pydantic_core-2.6.3-cp312-cp312-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:f14546403c2a1d11a130b537dda28f07eb6c1805a43dae4617448074fd49c282"},
+    {file = "pydantic_core-2.6.3-cp312-cp312-musllinux_1_1_aarch64.whl", hash = "sha256:a87c54e72aa2ef30189dc74427421e074ab4561cf2bf314589f6af5b37f45e6d"},
+    {file = "pydantic_core-2.6.3-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:f93255b3e4d64785554e544c1c76cd32f4a354fa79e2eeca5d16ac2e7fdd57aa"},
+    {file = "pydantic_core-2.6.3-cp312-none-win32.whl", hash = "sha256:f70dc00a91311a1aea124e5f64569ea44c011b58433981313202c46bccbec0e1"},
+    {file = "pydantic_core-2.6.3-cp312-none-win_amd64.whl", hash = "sha256:23470a23614c701b37252618e7851e595060a96a23016f9a084f3f92f5ed5881"},
+    {file = "pydantic_core-2.6.3-cp312-none-win_arm64.whl", hash = "sha256:1ac1750df1b4339b543531ce793b8fd5c16660a95d13aecaab26b44ce11775e9"},
+    {file = "pydantic_core-2.6.3-cp37-cp37m-macosx_10_7_x86_64.whl", hash = "sha256:a53e3195f134bde03620d87a7e2b2f2046e0e5a8195e66d0f244d6d5b2f6d31b"},
+    {file = "pydantic_core-2.6.3-cp37-cp37m-macosx_11_0_arm64.whl", hash = "sha256:f2969e8f72c6236c51f91fbb79c33821d12a811e2a94b7aa59c65f8dbdfad34a"},
+    {file = "pydantic_core-2.6.3-cp37-cp37m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:672174480a85386dd2e681cadd7d951471ad0bb028ed744c895f11f9d51b9ebe"},
+    {file = "pydantic_core-2.6.3-cp37-cp37m-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:002d0ea50e17ed982c2d65b480bd975fc41086a5a2f9c924ef8fc54419d1dea3"},
+    {file = "pydantic_core-2.6.3-cp37-cp37m-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:3ccc13afee44b9006a73d2046068d4df96dc5b333bf3509d9a06d1b42db6d8bf"},
+    {file = "pydantic_core-2.6.3-cp37-cp37m-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:439a0de139556745ae53f9cc9668c6c2053444af940d3ef3ecad95b079bc9987"},
+    {file = "pydantic_core-2.6.3-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:d63b7545d489422d417a0cae6f9898618669608750fc5e62156957e609e728a5"},
+    {file = "pydantic_core-2.6.3-cp37-cp37m-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:b44c42edc07a50a081672e25dfe6022554b47f91e793066a7b601ca290f71e42"},
+    {file = "pydantic_core-2.6.3-cp37-cp37m-musllinux_1_1_aarch64.whl", hash = "sha256:1c721bfc575d57305dd922e6a40a8fe3f762905851d694245807a351ad255c58"},
+    {file = "pydantic_core-2.6.3-cp37-cp37m-musllinux_1_1_x86_64.whl", hash = "sha256:5e4a2cf8c4543f37f5dc881de6c190de08096c53986381daebb56a355be5dfe6"},
+    {file = "pydantic_core-2.6.3-cp37-none-win32.whl", hash = "sha256:d9b4916b21931b08096efed090327f8fe78e09ae8f5ad44e07f5c72a7eedb51b"},
+    {file = "pydantic_core-2.6.3-cp37-none-win_amd64.whl", hash = "sha256:a8acc9dedd304da161eb071cc7ff1326aa5b66aadec9622b2574ad3ffe225525"},
+    {file = "pydantic_core-2.6.3-cp38-cp38-macosx_10_7_x86_64.whl", hash = "sha256:5e9c068f36b9f396399d43bfb6defd4cc99c36215f6ff33ac8b9c14ba15bdf6b"},
+    {file = "pydantic_core-2.6.3-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:e61eae9b31799c32c5f9b7be906be3380e699e74b2db26c227c50a5fc7988698"},
+    {file = "pydantic_core-2.6.3-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:d85463560c67fc65cd86153a4975d0b720b6d7725cf7ee0b2d291288433fc21b"},
+    {file = "pydantic_core-2.6.3-cp38-cp38-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:9616567800bdc83ce136e5847d41008a1d602213d024207b0ff6cab6753fe645"},
+    {file = "pydantic_core-2.6.3-cp38-cp38-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:9e9b65a55bbabda7fccd3500192a79f6e474d8d36e78d1685496aad5f9dbd92c"},
+    {file = "pydantic_core-2.6.3-cp38-cp38-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:f468d520f47807d1eb5d27648393519655eadc578d5dd862d06873cce04c4d1b"},
+    {file = "pydantic_core-2.6.3-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:9680dd23055dd874173a3a63a44e7f5a13885a4cfd7e84814be71be24fba83db"},
+    {file = "pydantic_core-2.6.3-cp38-cp38-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:9a718d56c4d55efcfc63f680f207c9f19c8376e5a8a67773535e6f7e80e93170"},
+    {file = "pydantic_core-2.6.3-cp38-cp38-musllinux_1_1_aarch64.whl", hash = "sha256:8ecbac050856eb6c3046dea655b39216597e373aa8e50e134c0e202f9c47efec"},
+    {file = "pydantic_core-2.6.3-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:788be9844a6e5c4612b74512a76b2153f1877cd845410d756841f6c3420230eb"},
+    {file = "pydantic_core-2.6.3-cp38-none-win32.whl", hash = "sha256:07a1aec07333bf5adebd8264047d3dc518563d92aca6f2f5b36f505132399efc"},
+    {file = "pydantic_core-2.6.3-cp38-none-win_amd64.whl", hash = "sha256:621afe25cc2b3c4ba05fff53525156d5100eb35c6e5a7cf31d66cc9e1963e378"},
+    {file = "pydantic_core-2.6.3-cp39-cp39-macosx_10_7_x86_64.whl", hash = "sha256:813aab5bfb19c98ae370952b6f7190f1e28e565909bfc219a0909db168783465"},
+    {file = "pydantic_core-2.6.3-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:50555ba3cb58f9861b7a48c493636b996a617db1a72c18da4d7f16d7b1b9952b"},
+    {file = "pydantic_core-2.6.3-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:19e20f8baedd7d987bd3f8005c146e6bcbda7cdeefc36fad50c66adb2dd2da48"},
+    {file = "pydantic_core-2.6.3-cp39-cp39-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:b0a5d7edb76c1c57b95df719af703e796fc8e796447a1da939f97bfa8a918d60"},
+    {file = "pydantic_core-2.6.3-cp39-cp39-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:f06e21ad0b504658a3a9edd3d8530e8cea5723f6ea5d280e8db8efc625b47e49"},
+    {file = "pydantic_core-2.6.3-cp39-cp39-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:ea053cefa008fda40f92aab937fb9f183cf8752e41dbc7bc68917884454c6362"},
+    {file = "pydantic_core-2.6.3-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:171a4718860790f66d6c2eda1d95dd1edf64f864d2e9f9115840840cf5b5713f"},
+    {file = "pydantic_core-2.6.3-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:5ed7ceca6aba5331ece96c0e328cd52f0dcf942b8895a1ed2642de50800b79d3"},
+    {file = "pydantic_core-2.6.3-cp39-cp39-musllinux_1_1_aarch64.whl", hash = "sha256:acafc4368b289a9f291e204d2c4c75908557d4f36bd3ae937914d4529bf62a76"},
+    {file = "pydantic_core-2.6.3-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:1aa712ba150d5105814e53cb141412217146fedc22621e9acff9236d77d2a5ef"},
+    {file = "pydantic_core-2.6.3-cp39-none-win32.whl", hash = "sha256:44b4f937b992394a2e81a5c5ce716f3dcc1237281e81b80c748b2da6dd5cf29a"},
+    {file = "pydantic_core-2.6.3-cp39-none-win_amd64.whl", hash = "sha256:9b33bf9658cb29ac1a517c11e865112316d09687d767d7a0e4a63d5c640d1b17"},
+    {file = "pydantic_core-2.6.3-pp310-pypy310_pp73-macosx_10_7_x86_64.whl", hash = "sha256:d7050899026e708fb185e174c63ebc2c4ee7a0c17b0a96ebc50e1f76a231c057"},
+    {file = "pydantic_core-2.6.3-pp310-pypy310_pp73-macosx_11_0_arm64.whl", hash = "sha256:99faba727727b2e59129c59542284efebbddade4f0ae6a29c8b8d3e1f437beb7"},
+    {file = "pydantic_core-2.6.3-pp310-pypy310_pp73-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:5fa159b902d22b283b680ef52b532b29554ea2a7fc39bf354064751369e9dbd7"},
+    {file = "pydantic_core-2.6.3-pp310-pypy310_pp73-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:046af9cfb5384f3684eeb3f58a48698ddab8dd870b4b3f67f825353a14441418"},
+    {file = "pydantic_core-2.6.3-pp310-pypy310_pp73-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:930bfe73e665ebce3f0da2c6d64455098aaa67e1a00323c74dc752627879fc67"},
+    {file = "pydantic_core-2.6.3-pp310-pypy310_pp73-musllinux_1_1_aarch64.whl", hash = "sha256:85cc4d105747d2aa3c5cf3e37dac50141bff779545ba59a095f4a96b0a460e70"},
+    {file = "pydantic_core-2.6.3-pp310-pypy310_pp73-musllinux_1_1_x86_64.whl", hash = "sha256:b25afe9d5c4f60dcbbe2b277a79be114e2e65a16598db8abee2a2dcde24f162b"},
+    {file = "pydantic_core-2.6.3-pp310-pypy310_pp73-win_amd64.whl", hash = "sha256:e49ce7dc9f925e1fb010fc3d555250139df61fa6e5a0a95ce356329602c11ea9"},
+    {file = "pydantic_core-2.6.3-pp37-pypy37_pp73-macosx_10_7_x86_64.whl", hash = "sha256:2dd50d6a1aef0426a1d0199190c6c43ec89812b1f409e7fe44cb0fbf6dfa733c"},
+    {file = "pydantic_core-2.6.3-pp37-pypy37_pp73-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:c6595b0d8c8711e8e1dc389d52648b923b809f68ac1c6f0baa525c6440aa0daa"},
+    {file = "pydantic_core-2.6.3-pp37-pypy37_pp73-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:4ef724a059396751aef71e847178d66ad7fc3fc969a1a40c29f5aac1aa5f8784"},
+    {file = "pydantic_core-2.6.3-pp37-pypy37_pp73-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:3c8945a105f1589ce8a693753b908815e0748f6279959a4530f6742e1994dcb6"},
+    {file = "pydantic_core-2.6.3-pp37-pypy37_pp73-musllinux_1_1_aarch64.whl", hash = "sha256:c8c6660089a25d45333cb9db56bb9e347241a6d7509838dbbd1931d0e19dbc7f"},
+    {file = "pydantic_core-2.6.3-pp37-pypy37_pp73-musllinux_1_1_x86_64.whl", hash = "sha256:692b4ff5c4e828a38716cfa92667661a39886e71136c97b7dac26edef18767f7"},
+    {file = "pydantic_core-2.6.3-pp37-pypy37_pp73-win_amd64.whl", hash = "sha256:f1a5d8f18877474c80b7711d870db0eeef9442691fcdb00adabfc97e183ee0b0"},
+    {file = "pydantic_core-2.6.3-pp38-pypy38_pp73-macosx_10_7_x86_64.whl", hash = "sha256:3796a6152c545339d3b1652183e786df648ecdf7c4f9347e1d30e6750907f5bb"},
+    {file = "pydantic_core-2.6.3-pp38-pypy38_pp73-macosx_11_0_arm64.whl", hash = "sha256:b962700962f6e7a6bd77e5f37320cabac24b4c0f76afeac05e9f93cf0c620014"},
+    {file = "pydantic_core-2.6.3-pp38-pypy38_pp73-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:56ea80269077003eaa59723bac1d8bacd2cd15ae30456f2890811efc1e3d4413"},
+    {file = "pydantic_core-2.6.3-pp38-pypy38_pp73-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:75c0ebbebae71ed1e385f7dfd9b74c1cff09fed24a6df43d326dd7f12339ec34"},
+    {file = "pydantic_core-2.6.3-pp38-pypy38_pp73-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:252851b38bad3bfda47b104ffd077d4f9604a10cb06fe09d020016a25107bf98"},
+    {file = "pydantic_core-2.6.3-pp38-pypy38_pp73-musllinux_1_1_aarch64.whl", hash = "sha256:6656a0ae383d8cd7cc94e91de4e526407b3726049ce8d7939049cbfa426518c8"},
+    {file = "pydantic_core-2.6.3-pp38-pypy38_pp73-musllinux_1_1_x86_64.whl", hash = "sha256:d9140ded382a5b04a1c030b593ed9bf3088243a0a8b7fa9f071a5736498c5483"},
+    {file = "pydantic_core-2.6.3-pp38-pypy38_pp73-win_amd64.whl", hash = "sha256:d38bbcef58220f9c81e42c255ef0bf99735d8f11edef69ab0b499da77105158a"},
+    {file = "pydantic_core-2.6.3-pp39-pypy39_pp73-macosx_10_7_x86_64.whl", hash = "sha256:c9d469204abcca28926cbc28ce98f28e50e488767b084fb3fbdf21af11d3de26"},
+    {file = "pydantic_core-2.6.3-pp39-pypy39_pp73-macosx_11_0_arm64.whl", hash = "sha256:48c1ed8b02ffea4d5c9c220eda27af02b8149fe58526359b3c07eb391cb353a2"},
+    {file = "pydantic_core-2.6.3-pp39-pypy39_pp73-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:8b2b1bfed698fa410ab81982f681f5b1996d3d994ae8073286515ac4d165c2e7"},
+    {file = "pydantic_core-2.6.3-pp39-pypy39_pp73-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:bf9d42a71a4d7a7c1f14f629e5c30eac451a6fc81827d2beefd57d014c006c4a"},
+    {file = "pydantic_core-2.6.3-pp39-pypy39_pp73-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:4292ca56751aebbe63a84bbfc3b5717abb09b14d4b4442cc43fd7c49a1529efd"},
+    {file = "pydantic_core-2.6.3-pp39-pypy39_pp73-musllinux_1_1_aarch64.whl", hash = "sha256:7dc2ce039c7290b4ef64334ec7e6ca6494de6eecc81e21cb4f73b9b39991408c"},
+    {file = "pydantic_core-2.6.3-pp39-pypy39_pp73-musllinux_1_1_x86_64.whl", hash = "sha256:615a31b1629e12445c0e9fc8339b41aaa6cc60bd53bf802d5fe3d2c0cda2ae8d"},
+    {file = "pydantic_core-2.6.3-pp39-pypy39_pp73-win_amd64.whl", hash = "sha256:1fa1f6312fb84e8c281f32b39affe81984ccd484da6e9d65b3d18c202c666149"},
+    {file = "pydantic_core-2.6.3.tar.gz", hash = "sha256:1508f37ba9e3ddc0189e6ff4e2228bd2d3c3a4641cbe8c07177162f76ed696c7"},
+]
+
+[package.dependencies]
+typing-extensions = ">=4.6.0,<4.7.0 || >4.7.0"
 
 [[package]]
 name = "pygithub"
@@ -2071,7 +2170,6 @@ files = [
     {file = "PyYAML-6.0.1-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:69b023b2b4daa7548bcfbd4aa3da05b3a74b772db9e23b982788168117739938"},
     {file = "PyYAML-6.0.1-cp310-cp310-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:81e0b275a9ecc9c0c0c07b4b90ba548307583c125f54d5b6946cfee6360c733d"},
     {file = "PyYAML-6.0.1-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:ba336e390cd8e4d1739f42dfe9bb83a3cc2e80f567d8805e11b46f4a943f5515"},
-    {file = "PyYAML-6.0.1-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:326c013efe8048858a6d312ddd31d56e468118ad4cdeda36c719bf5bb6192290"},
     {file = "PyYAML-6.0.1-cp310-cp310-win32.whl", hash = "sha256:bd4af7373a854424dabd882decdc5579653d7868b8fb26dc7d0e99f823aa5924"},
     {file = "PyYAML-6.0.1-cp310-cp310-win_amd64.whl", hash = "sha256:fd1592b3fdf65fff2ad0004b5e363300ef59ced41c2e6b3a99d4089fa8c5435d"},
     {file = "PyYAML-6.0.1-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:6965a7bc3cf88e5a1c3bd2e0b5c22f8d677dc88a455344035f03399034eb3007"},
@@ -2079,15 +2177,8 @@ files = [
     {file = "PyYAML-6.0.1-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:42f8152b8dbc4fe7d96729ec2b99c7097d656dc1213a3229ca5383f973a5ed6d"},
     {file = "PyYAML-6.0.1-cp311-cp311-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:062582fca9fabdd2c8b54a3ef1c978d786e0f6b3a1510e0ac93ef59e0ddae2bc"},
     {file = "PyYAML-6.0.1-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:d2b04aac4d386b172d5b9692e2d2da8de7bfb6c387fa4f801fbf6fb2e6ba4673"},
-    {file = "PyYAML-6.0.1-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:e7d73685e87afe9f3b36c799222440d6cf362062f78be1013661b00c5c6f678b"},
     {file = "PyYAML-6.0.1-cp311-cp311-win32.whl", hash = "sha256:1635fd110e8d85d55237ab316b5b011de701ea0f29d07611174a1b42f1444741"},
     {file = "PyYAML-6.0.1-cp311-cp311-win_amd64.whl", hash = "sha256:bf07ee2fef7014951eeb99f56f39c9bb4af143d8aa3c21b1677805985307da34"},
-    {file = "PyYAML-6.0.1-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:855fb52b0dc35af121542a76b9a84f8d1cd886ea97c84703eaa6d88e37a2ad28"},
-    {file = "PyYAML-6.0.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:40df9b996c2b73138957fe23a16a4f0ba614f4c0efce1e9406a184b6d07fa3a9"},
-    {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6c22bec3fbe2524cde73d7ada88f6566758a8f7227bfbf93a408a9d86bcc12a0"},
-    {file = "PyYAML-6.0.1-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:8d4e9c88387b0f5c7d5f281e55304de64cf7f9c0021a3525bd3b1c542da3b0e4"},
-    {file = "PyYAML-6.0.1-cp312-cp312-win32.whl", hash = "sha256:d483d2cdf104e7c9fa60c544d92981f12ad66a457afae824d146093b8c294c54"},
-    {file = "PyYAML-6.0.1-cp312-cp312-win_amd64.whl", hash = "sha256:0d3304d8c0adc42be59c5f8a4d9e3d7379e6955ad754aa9d6ab7a398b59dd1df"},
     {file = "PyYAML-6.0.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:50550eb667afee136e9a77d6dc71ae76a44df8b3e51e41b77f6de2932bfe0f47"},
     {file = "PyYAML-6.0.1-cp36-cp36m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:1fe35611261b29bd1de0070f0b2f47cb6ff71fa6595c077e42bd0c419fa27b98"},
     {file = "PyYAML-6.0.1-cp36-cp36m-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:704219a11b772aea0d8ecd7058d0082713c3562b4e271b849ad7dc4a5c90c13c"},
@@ -2104,7 +2195,6 @@ files = [
     {file = "PyYAML-6.0.1-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a0cd17c15d3bb3fa06978b4e8958dcdc6e0174ccea823003a106c7d4d7899ac5"},
     {file = "PyYAML-6.0.1-cp38-cp38-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:28c119d996beec18c05208a8bd78cbe4007878c6dd15091efb73a30e90539696"},
     {file = "PyYAML-6.0.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:7e07cbde391ba96ab58e532ff4803f79c4129397514e1413a7dc761ccd755735"},
-    {file = "PyYAML-6.0.1-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:49a183be227561de579b4a36efbb21b3eab9651dd81b1858589f796549873dd6"},
     {file = "PyYAML-6.0.1-cp38-cp38-win32.whl", hash = "sha256:184c5108a2aca3c5b3d3bf9395d50893a7ab82a38004c8f61c258d4428e80206"},
     {file = "PyYAML-6.0.1-cp38-cp38-win_amd64.whl", hash = "sha256:1e2722cc9fbb45d9b87631ac70924c11d3a401b2d7f410cc0e3bbf249f2dca62"},
     {file = "PyYAML-6.0.1-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:9eb6caa9a297fc2c2fb8862bc5370d0303ddba53ba97e71f08023b6cd73d16a8"},
@@ -2112,7 +2202,6 @@ files = [
     {file = "PyYAML-6.0.1-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:5773183b6446b2c99bb77e77595dd486303b4faab2b086e7b17bc6bef28865f6"},
     {file = "PyYAML-6.0.1-cp39-cp39-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:b786eecbdf8499b9ca1d697215862083bd6d2a99965554781d0d8d1ad31e13a0"},
     {file = "PyYAML-6.0.1-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:bc1bf2925a1ecd43da378f4db9e4f799775d6367bdb94671027b73b393a7c42c"},
-    {file = "PyYAML-6.0.1-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:04ac92ad1925b2cff1db0cfebffb6ffc43457495c9b3c39d3fcae417d7125dc5"},
     {file = "PyYAML-6.0.1-cp39-cp39-win32.whl", hash = "sha256:faca3bdcf85b2fc05d06ff3fbc1f83e1391b3e724afa3feba7d13eeab355484c"},
     {file = "PyYAML-6.0.1-cp39-cp39-win_amd64.whl", hash = "sha256:510c9deebc5c0225e8c96813043e62b680ba2f9c50a08d3724c7f28a747d1486"},
     {file = "PyYAML-6.0.1.tar.gz", hash = "sha256:bfdf460b1736c775f2ba9f6a92bca30bc2095067b8a9d77876d1fad6cc3b4a43"},
@@ -3345,4 +3434,4 @@ user-search = ["pyicu"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8.0"
-content-hash = "1481c785665220fbf79613030a581b7289d49b7f336cc136dd87d39048f5446c"
+content-hash = "364c309486e9d93d4da8a1a3784d5ecd7d2a9734cf84dcd4a991f2cd54f0b5b5"

pyproject.toml

@@ -209,11 +209,11 @@ cryptography = ">=3.4.7"
 # ijson 3.1.4 fixes a bug with "." in property names
 ijson = ">=3.1.4"
 matrix-common = "^1.3.0"
-# We need packaging.requirements.Requirement, added in 16.1.
-packaging = ">=16.1"
-# This is the most recent version of Pydantic with available on common distros.
-# We are currently incompatible with >=2.0.0: (https://github.com/matrix-org/synapse/issues/15858)
-pydantic = "^1.7.4"
+# We need packaging.verison.Version(...).major added in 20.0.
+packaging = ">=20.0"
+# We support pydantic v1 and pydantic v2 via the pydantic.v1 compat module.
+# See https://github.com/matrix-org/synapse/issues/15858
+pydantic = ">=1.7.4, <3"
 
 # This is for building the rust components during "poetry install", which
 # currently ignores the `build-system.requires` directive (c.f.
@@ -321,6 +321,8 @@ all = [
 isort = ">=5.10.1"
 black = ">=22.7.0"
 ruff = "0.0.290"
+# Type checking only works with the pydantic.v1 compat module from pydantic v2
+pydantic = "^2"
 
 # Typechecking
 lxml-stubs = ">=0.4.0"

scripts-dev/check_pydantic_models.py

@@ -36,11 +36,41 @@ import textwrap
 import traceback
 import unittest.mock
 from contextlib import contextmanager
-from typing import Any, Callable, Dict, Generator, List, Set, Type, TypeVar
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    Dict,
+    Generator,
+    List,
+    Set,
+    Type,
+    TypeVar,
+)
 
 from parameterized import parameterized
-from pydantic import BaseModel as PydanticBaseModel, conbytes, confloat, conint, constr
-from pydantic.typing import get_args
+
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import (
+        BaseModel as PydanticBaseModel,
+        conbytes,
+        confloat,
+        conint,
+        constr,
+    )
+    from pydantic.v1.typing import get_args
+else:
+    from pydantic import (
+        BaseModel as PydanticBaseModel,
+        conbytes,
+        confloat,
+        conint,
+        constr,
+    )
+    from pydantic.typing import get_args
+
 from typing_extensions import ParamSpec
 
 logger = logging.getLogger(__name__)
@@ -251,7 +281,10 @@ class TestConstrainedTypesPatch(unittest.TestCase):
         with monkeypatch_pydantic(), self.assertRaises(ModelCheckerException):
             run_test_snippet(
                 """
-                from pydantic import constr
+                try:
+                    from pydantic.v1 import constr
+                except ImportError:
+                    from pydantic import constr
                 constr()
                 """
             )
@@ -269,7 +302,10 @@ class TestConstrainedTypesPatch(unittest.TestCase):
         with monkeypatch_pydantic(), self.assertRaises(ModelCheckerException):
             run_test_snippet(
                 """
-                from pydantic import *
+                try:
+                    from pydantic.v1 import *
+                except ImportError:
+                    from pydantic import *
                 constr()
                 """
             )
@@ -278,7 +314,10 @@ class TestConstrainedTypesPatch(unittest.TestCase):
         with monkeypatch_pydantic(), self.assertRaises(ModelCheckerException):
             run_test_snippet(
                 """
-                from pydantic.types import constr
+                try:
+                    from pydantic.v1.types import constr
+                except ImportError:
+                    from pydantic.types import constr
                 constr()
                 """
             )
@@ -287,8 +326,11 @@ class TestConstrainedTypesPatch(unittest.TestCase):
         with monkeypatch_pydantic(), self.assertRaises(ModelCheckerException):
             run_test_snippet(
                 """
-                import pydantic.types
-                pydantic.types.constr()
+                try:
+                    from pydantic.v1 import types as pydantic_types
+                except ImportError:
+                    from pydantic import types as pydantic_types
+                pydantic_types.constr()
                 """
             )
 
@@ -296,7 +338,10 @@ class TestConstrainedTypesPatch(unittest.TestCase):
         with monkeypatch_pydantic(), self.assertRaises(ModelCheckerException):
             run_test_snippet(
                 """
-                from pydantic import constr
+                try:
+                    from pydantic.v1 import constr
+                except ImportError:
+                    from pydantic import constr
                 constr(min_length=10)
                 """
             )
@@ -305,7 +350,10 @@ class TestConstrainedTypesPatch(unittest.TestCase):
         with monkeypatch_pydantic(), self.assertRaises(ModelCheckerException):
             run_test_snippet(
                 """
-                from pydantic import constr
+                try:
+                    from pydantic.v1 import constr
+                except ImportError:
+                    from pydantic import constr
                 constr(strict=False)
                 """
             )
@@ -314,7 +362,10 @@ class TestConstrainedTypesPatch(unittest.TestCase):
         with monkeypatch_pydantic():
             run_test_snippet(
                 """
-                from pydantic import constr
+                try:
+                    from pydantic.v1 import constr
+                except ImportError:
+                    from pydantic import constr
                 constr(strict=True)
                 """
             )
@@ -323,7 +374,10 @@ class TestConstrainedTypesPatch(unittest.TestCase):
         with monkeypatch_pydantic(), self.assertRaises(ModelCheckerException):
             run_test_snippet(
                 """
-                from pydantic import constr
+                try:
+                    from pydantic.v1 import constr
+                except ImportError:
+                    from pydantic import constr
                 x: constr()
                 """
             )
@@ -332,7 +386,10 @@ class TestConstrainedTypesPatch(unittest.TestCase):
         with monkeypatch_pydantic(), self.assertRaises(ModelCheckerException):
             run_test_snippet(
                 """
-                from pydantic import BaseModel, conint
+                try:
+                    from pydantic.v1 import BaseModel, conint
+                except ImportError:
+                    from pydantic import BaseModel, conint
                 class C:
                     x: conint()
                 """
@@ -361,7 +418,10 @@ class TestFieldTypeInspection(unittest.TestCase):
             run_test_snippet(
                 f"""
                 from typing import *
-                from pydantic import *
+                try:
+                    from pydantic.v1 import *
+                except ImportError:
+                    from pydantic import *
                 class C(BaseModel):
                     f: {annotation}
                 """
@@ -388,7 +448,10 @@ class TestFieldTypeInspection(unittest.TestCase):
             run_test_snippet(
                 f"""
                 from typing import *
-                from pydantic import *
+                try:
+                    from pydantic.v1 import *
+                except ImportError:
+                    from pydantic import *
                 class C(BaseModel):
                     f: {annotation}
                 """
@@ -398,7 +461,10 @@ class TestFieldTypeInspection(unittest.TestCase):
         with monkeypatch_pydantic(), self.assertRaises(ModelCheckerException):
             run_test_snippet(
                 """
-                from pydantic.main import BaseModel
+                try:
+                    from pydantic.v1.main import BaseModel
+                except ImportError:
+                    from pydantic.main import BaseModel
                 class C(BaseModel):
                     f: str
                 """

synapse/_pydantic_compat.py

@@ -0,0 +1,26 @@
+# Copyright 2023 Maxwell G <maxwell@gtmx.me>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from packaging.version import Version
+
+try:
+    from pydantic import __version__ as pydantic_version
+except ImportError:
+    import importlib.metadata
+
+    pydantic_version = importlib.metadata.version("pydantic")
+
+HAS_PYDANTIC_V2: bool = Version(pydantic_version).major == 2
+
+__all__ = ("HAS_PYDANTIC_V2",)

synapse/config/_util.py

@@ -11,10 +11,16 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from typing import Any, Dict, Type, TypeVar
+from typing import TYPE_CHECKING, Any, Dict, Type, TypeVar
 
 import jsonschema
-from pydantic import BaseModel, ValidationError, parse_obj_as
+
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import BaseModel, ValidationError, parse_obj_as
+else:
+    from pydantic import BaseModel, ValidationError, parse_obj_as
 
 from synapse.config._base import ConfigError
 from synapse.types import JsonDict, StrSequence

synapse/config/workers.py

@@ -15,10 +15,16 @@
 
 import argparse
 import logging
-from typing import Any, Dict, List, Optional, Union
+from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union
 
 import attr
-from pydantic import BaseModel, Extra, StrictBool, StrictInt, StrictStr
+
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import BaseModel, Extra, StrictBool, StrictInt, StrictStr
+else:
+    from pydantic import BaseModel, Extra, StrictBool, StrictInt, StrictStr
 
 from synapse.config._base import (
     Config,

synapse/events/validator.py

@@ -12,10 +12,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import collections.abc
-from typing import List, Type, Union, cast
+from typing import TYPE_CHECKING, List, Type, Union, cast
 
 import jsonschema
-from pydantic import Field, StrictBool, StrictStr
+
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import Field, StrictBool, StrictStr
+else:
+    from pydantic import Field, StrictBool, StrictStr
 
 from synapse.api.constants import (
     MAX_ALIAS_LENGTH,

synapse/http/servlet.py

@@ -28,8 +28,15 @@ from typing import (
     overload,
 )
 
-from pydantic import BaseModel, MissingError, PydanticValueError, ValidationError
-from pydantic.error_wrappers import ErrorWrapper
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import BaseModel, MissingError, PydanticValueError, ValidationError
+    from pydantic.v1.error_wrappers import ErrorWrapper
+else:
+    from pydantic import BaseModel, MissingError, PydanticValueError, ValidationError
+    from pydantic.error_wrappers import ErrorWrapper
+
 from typing_extensions import Literal
 
 from twisted.web.server import Request

synapse/rest/client/account.py

@@ -18,7 +18,12 @@ import random
 from typing import TYPE_CHECKING, List, Optional, Tuple
 from urllib.parse import urlparse
 
-from pydantic import StrictBool, StrictStr, constr
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import StrictBool, StrictStr, constr
+else:
+    from pydantic import StrictBool, StrictStr, constr
 from typing_extensions import Literal
 
 from twisted.web.server import Request

synapse/rest/client/devices.py

@@ -17,7 +17,12 @@ import logging
 from http import HTTPStatus
 from typing import TYPE_CHECKING, List, Optional, Tuple
 
-from pydantic import Extra, StrictStr
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import Extra, StrictStr
+else:
+    from pydantic import Extra, StrictStr
 
 from synapse.api import errors
 from synapse.api.errors import NotFoundError, SynapseError, UnrecognizedRequestError

synapse/rest/client/directory.py

@@ -15,7 +15,13 @@
 import logging
 from typing import TYPE_CHECKING, List, Optional, Tuple
 
-from pydantic import StrictStr
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import StrictStr
+else:
+    from pydantic import StrictStr
+
 from typing_extensions import Literal
 
 from twisted.web.server import Request

synapse/rest/client/models.py

@@ -13,7 +13,12 @@
 # limitations under the License.
 from typing import TYPE_CHECKING, Dict, Optional
 
-from pydantic import Extra, StrictInt, StrictStr, constr, validator
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import Extra, StrictInt, StrictStr, constr, validator
+else:
+    from pydantic import Extra, StrictInt, StrictStr, constr, validator
 
 from synapse.rest.models import RequestBodyModel
 from synapse.util.threepids import validate_email

synapse/rest/key/v2/remote_key_resource.py

@@ -16,7 +16,13 @@ import logging
 import re
 from typing import TYPE_CHECKING, Dict, Mapping, Optional, Set, Tuple
 
-from pydantic import Extra, StrictInt, StrictStr
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import Extra, StrictInt, StrictStr
+else:
+    from pydantic import StrictInt, StrictStr, Extra
+
 from signedjson.sign import sign_json
 
 from twisted.web.server import Request

synapse/rest/models.py

@@ -11,7 +11,14 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from pydantic import BaseModel, Extra
+from typing import TYPE_CHECKING
+
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import BaseModel, Extra
+else:
+    from pydantic import BaseModel, Extra
 
 
 class RequestBodyModel(BaseModel):

synapse/storage/background_updates.py

@@ -31,8 +31,8 @@ from typing import (
 )
 
 import attr
-from pydantic import BaseModel
 
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
 from synapse.metrics.background_process_metrics import run_as_background_process
 from synapse.storage.engines import PostgresEngine
 from synapse.storage.types import Connection, Cursor
@@ -41,6 +41,11 @@ from synapse.util import Clock, json_encoder
 
 from . import engines
 
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import BaseModel
+else:
+    from pydantic import BaseModel
+
 if TYPE_CHECKING:
     from synapse.server import HomeServer
     from synapse.storage.database import DatabasePool, LoggingTransaction

tests/rest/client/test_models.py

@@ -12,12 +12,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import unittest as stdlib_unittest
+from typing import TYPE_CHECKING
 
-from pydantic import BaseModel, ValidationError
 from typing_extensions import Literal
 
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
 from synapse.rest.client.models import EmailRequestTokenBody
 
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import BaseModel, ValidationError
+else:
+    from pydantic import BaseModel, ValidationError
+
 
 class ThreepidMediumEnumTestCase(stdlib_unittest.TestCase):
     class Model(BaseModel):