Require and lock `pydantic`

3 files changed, 61 insertions, 2 deletions

diff --git a/mypy.ini b/mypy.ini
index 4fa020b876..664be4e60d 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1,6 +1,6 @@
 [mypy]
 namespace_packages = True
-plugins = mypy_zope:plugin, scripts-dev/mypy_synapse_plugin.py
+plugins = mypy_zope:plugin, pydantic.mypy, scripts-dev/mypy_synapse_plugin.py
 follow_imports = normal
 check_untyped_defs = True
 show_error_codes = True
@@ -86,6 +86,12 @@ exclude = (?x)
    |tests/utils.py
    )$
 
+[pydantic-mypy]
+init_forbid_extra = True
+init_typed = True
+warn_required_dynamic_aliases = True
+warn_untyped_fields = True
+
 [mypy-synapse._scripts.*]
 disallow_untyped_defs = True
 
diff --git a/poetry.lock b/poetry.lock
index 49a912a589..c68fd58480 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -779,6 +779,21 @@ optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
+name = "pydantic"
+version = "1.9.0"
+description = "Data validation and settings management using python 3.6 type hinting"
+category = "main"
+optional = false
+python-versions = ">=3.6.1"
+
+[package.dependencies]
+typing-extensions = ">=3.7.4.3"
+
+[package.extras]
+dotenv = ["python-dotenv (>=0.10.4)"]
+email = ["email-validator (>=1.0.3)"]
+
+[[package]]
 name = "pyflakes"
 version = "2.4.0"
 description = "passive checker of Python programs"
@@ -1563,7 +1578,7 @@ url_preview = ["lxml"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7.1"
-content-hash = "d39d5ac5d51c014581186b7691999b861058b569084c525523baf70b77f292b1"
+content-hash = "54ec27d5187386653b8d0d13ed843f86ae68b3ebbee633c82dfffc7605b99f74"
 
 [metadata.files]
 attrs = [
@@ -2251,6 +2266,43 @@ pycparser = [
     {file = "pycparser-2.21-py2.py3-none-any.whl", hash = "sha256:8ee45429555515e1f6b185e78100aea234072576aa43ab53aefcae078162fca9"},
     {file = "pycparser-2.21.tar.gz", hash = "sha256:e644fdec12f7872f86c58ff790da456218b10f863970249516d60a5eaca77206"},
 ]
+pydantic = [
+    {file = "pydantic-1.9.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:cb23bcc093697cdea2708baae4f9ba0e972960a835af22560f6ae4e7e47d33f5"},
+    {file = "pydantic-1.9.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:1d5278bd9f0eee04a44c712982343103bba63507480bfd2fc2790fa70cd64cf4"},
+    {file = "pydantic-1.9.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:ab624700dc145aa809e6f3ec93fb8e7d0f99d9023b713f6a953637429b437d37"},
+    {file = "pydantic-1.9.0-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:c8d7da6f1c1049eefb718d43d99ad73100c958a5367d30b9321b092771e96c25"},
+    {file = "pydantic-1.9.0-cp310-cp310-musllinux_1_1_i686.whl", hash = "sha256:3c3b035103bd4e2e4a28da9da7ef2fa47b00ee4a9cf4f1a735214c1bcd05e0f6"},
+    {file = "pydantic-1.9.0-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:3011b975c973819883842c5ab925a4e4298dffccf7782c55ec3580ed17dc464c"},
+    {file = "pydantic-1.9.0-cp310-cp310-win_amd64.whl", hash = "sha256:086254884d10d3ba16da0588604ffdc5aab3f7f09557b998373e885c690dd398"},
+    {file = "pydantic-1.9.0-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:0fe476769acaa7fcddd17cadd172b156b53546ec3614a4d880e5d29ea5fbce65"},
+    {file = "pydantic-1.9.0-cp36-cp36m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:c8e9dcf1ac499679aceedac7e7ca6d8641f0193c591a2d090282aaf8e9445a46"},
+    {file = "pydantic-1.9.0-cp36-cp36m-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:d1e4c28f30e767fd07f2ddc6f74f41f034d1dd6bc526cd59e63a82fe8bb9ef4c"},
+    {file = "pydantic-1.9.0-cp36-cp36m-musllinux_1_1_i686.whl", hash = "sha256:c86229333cabaaa8c51cf971496f10318c4734cf7b641f08af0a6fbf17ca3054"},
+    {file = "pydantic-1.9.0-cp36-cp36m-musllinux_1_1_x86_64.whl", hash = "sha256:c0727bda6e38144d464daec31dff936a82917f431d9c39c39c60a26567eae3ed"},
+    {file = "pydantic-1.9.0-cp36-cp36m-win_amd64.whl", hash = "sha256:dee5ef83a76ac31ab0c78c10bd7d5437bfdb6358c95b91f1ba7ff7b76f9996a1"},
+    {file = "pydantic-1.9.0-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:d9c9bdb3af48e242838f9f6e6127de9be7063aad17b32215ccc36a09c5cf1070"},
+    {file = "pydantic-1.9.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:2ee7e3209db1e468341ef41fe263eb655f67f5c5a76c924044314e139a1103a2"},
+    {file = "pydantic-1.9.0-cp37-cp37m-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:0b6037175234850ffd094ca77bf60fb54b08b5b22bc85865331dd3bda7a02fa1"},
+    {file = "pydantic-1.9.0-cp37-cp37m-musllinux_1_1_i686.whl", hash = "sha256:b2571db88c636d862b35090ccf92bf24004393f85c8870a37f42d9f23d13e032"},
+    {file = "pydantic-1.9.0-cp37-cp37m-musllinux_1_1_x86_64.whl", hash = "sha256:8b5ac0f1c83d31b324e57a273da59197c83d1bb18171e512908fe5dc7278a1d6"},
+    {file = "pydantic-1.9.0-cp37-cp37m-win_amd64.whl", hash = "sha256:bbbc94d0c94dd80b3340fc4f04fd4d701f4b038ebad72c39693c794fd3bc2d9d"},
+    {file = "pydantic-1.9.0-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:e0896200b6a40197405af18828da49f067c2fa1f821491bc8f5bde241ef3f7d7"},
+    {file = "pydantic-1.9.0-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:7bdfdadb5994b44bd5579cfa7c9b0e1b0e540c952d56f627eb227851cda9db77"},
+    {file = "pydantic-1.9.0-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:574936363cd4b9eed8acdd6b80d0143162f2eb654d96cb3a8ee91d3e64bf4cf9"},
+    {file = "pydantic-1.9.0-cp38-cp38-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:c556695b699f648c58373b542534308922c46a1cda06ea47bc9ca45ef5b39ae6"},
+    {file = "pydantic-1.9.0-cp38-cp38-musllinux_1_1_i686.whl", hash = "sha256:f947352c3434e8b937e3aa8f96f47bdfe6d92779e44bb3f41e4c213ba6a32145"},
+    {file = "pydantic-1.9.0-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:5e48ef4a8b8c066c4a31409d91d7ca372a774d0212da2787c0d32f8045b1e034"},
+    {file = "pydantic-1.9.0-cp38-cp38-win_amd64.whl", hash = "sha256:96f240bce182ca7fe045c76bcebfa0b0534a1bf402ed05914a6f1dadff91877f"},
+    {file = "pydantic-1.9.0-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:815ddebb2792efd4bba5488bc8fde09c29e8ca3227d27cf1c6990fc830fd292b"},
+    {file = "pydantic-1.9.0-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:6c5b77947b9e85a54848343928b597b4f74fc364b70926b3c4441ff52620640c"},
+    {file = "pydantic-1.9.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:4c68c3bc88dbda2a6805e9a142ce84782d3930f8fdd9655430d8576315ad97ce"},
+    {file = "pydantic-1.9.0-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:5a79330f8571faf71bf93667d3ee054609816f10a259a109a0738dac983b23c3"},
+    {file = "pydantic-1.9.0-cp39-cp39-musllinux_1_1_i686.whl", hash = "sha256:f5a64b64ddf4c99fe201ac2724daada8595ada0d102ab96d019c1555c2d6441d"},
+    {file = "pydantic-1.9.0-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:a733965f1a2b4090a5238d40d983dcd78f3ecea221c7af1497b845a9709c1721"},
+    {file = "pydantic-1.9.0-cp39-cp39-win_amd64.whl", hash = "sha256:2cc6a4cb8a118ffec2ca5fcb47afbacb4f16d0ab8b7350ddea5e8ef7bcc53a16"},
+    {file = "pydantic-1.9.0-py3-none-any.whl", hash = "sha256:085ca1de245782e9b46cefcf99deecc67d418737a1fd3f6a4f511344b613a5b3"},
+    {file = "pydantic-1.9.0.tar.gz", hash = "sha256:742645059757a56ecd886faf4ed2441b9c0cd406079c2b4bee51bcc3fbcd510a"},
+]
 pyflakes = [
     {file = "pyflakes-2.4.0-py2.py3-none-any.whl", hash = "sha256:3bb3a3f256f4b7968c9c788781e4ff07dce46bdf12339dcda61053375426ee2e"},
     {file = "pyflakes-2.4.0.tar.gz", hash = "sha256:05a85c2872edf37a4ed30b0cce2f6093e1d0581f8c19d7393122da7e25b2b24c"},
diff --git a/pyproject.toml b/pyproject.toml
index 5a5a2eaba7..c7817f3873 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -182,6 +182,7 @@ hiredis = { version = "*", optional = true }
 Pympler = { version = "*", optional = true }
 parameterized = { version = ">=0.7.4", optional = true }
 idna = { version = ">=2.5", optional = true }
+pydantic = ">=1.9.0"
 
 [tool.poetry.extras]
 # NB: Packages that should be part of `pip install matrix-synapse[all]` need to be specified