✨ add pydantic middleware
This commit is contained in:
parent
e10fd02e99
commit
3df8617436
11
example.py
11
example.py
@ -1,6 +1,7 @@
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from datetime import datetime, timedelta
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from spiderweb.decorators import csrf_exempt
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from spiderweb.example_validator import CommentForm
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from spiderweb.main import SpiderwebRouter
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from spiderweb.exceptions import ServerError
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from spiderweb.response import (
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@ -17,6 +18,7 @@ app = SpiderwebRouter(
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"spiderweb.middleware.csrf.CSRFMiddleware",
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"example_middleware.TestMiddleware",
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"example_middleware.RedirectMiddleware",
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"spiderweb.middleware.pydantic.PydanticMiddleware",
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"example_middleware.ExplodingMiddleware",
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],
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staticfiles_dirs=["static_files"],
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@ -63,24 +65,25 @@ def http405(request) -> HttpResponse:
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@csrf_exempt
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@app.route("/form", allowed_methods=["GET", "POST"])
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def form(request):
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def form(request: CommentForm):
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if request.method == "POST":
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return JsonResponse(data=request.POST)
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return JsonResponse(data=request.validated_data.dict())
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else:
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return TemplateResponse(request, "form.html")
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@app.route("/cookies")
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def cookies(request):
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print("request.COOKIES: ", request.COOKIES)
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resp = HttpResponse(body="COOKIES! NOM NOM NOM")
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resp.set_cookie(name='nom', value="everyonelovescookies")
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resp.set_cookie(name="nom", value="everyonelovescookies")
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resp.set_cookie(name="nom2", value="seriouslycookies")
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resp.set_cookie(
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name="nom3",
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value="yumyum",
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partitioned=True,
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expires=datetime.utcnow() + timedelta(seconds=10),
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max_age=15
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max_age=15,
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)
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return resp
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@ -1,4 +1,3 @@
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from spiderweb.decorators import csrf_exempt
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from spiderweb.main import SpiderwebRouter
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from spiderweb.exceptions import ServerError
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from spiderweb.response import (
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195
poetry.lock
generated
195
poetry.lock
generated
@ -1,4 +1,15 @@
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# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
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# This file is automatically @generated by Poetry 1.6.1 and should not be changed by hand.
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[[package]]
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name = "annotated-types"
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version = "0.7.0"
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description = "Reusable constraint types to use with typing.Annotated"
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optional = false
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python-versions = ">=3.8"
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files = [
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{file = "annotated_types-0.7.0-py3-none-any.whl", hash = "sha256:1f02e8b43a8fbbc3f3e0d4f0f4bfc8131bcb4eebe8849b8e5c773f3a1c582a53"},
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{file = "annotated_types-0.7.0.tar.gz", hash = "sha256:aff07c09a53a08bc8cfccb9c85b05f1aa9a2a6f23728d790723543408344ce89"},
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]
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[[package]]
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name = "black"
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@ -197,6 +208,41 @@ ssh = ["bcrypt (>=3.1.5)"]
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test = ["certifi", "cryptography-vectors (==43.0.0)", "pretend", "pytest (>=6.2.0)", "pytest-benchmark", "pytest-cov", "pytest-xdist"]
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test-randomorder = ["pytest-randomly"]
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[[package]]
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name = "dnspython"
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version = "2.6.1"
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description = "DNS toolkit"
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optional = false
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python-versions = ">=3.8"
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files = [
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{file = "dnspython-2.6.1-py3-none-any.whl", hash = "sha256:5ef3b9680161f6fa89daf8ad451b5f1a33b18ae8a1c6778cdf4b43f08c0a6e50"},
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{file = "dnspython-2.6.1.tar.gz", hash = "sha256:e8f0f9c23a7b7cb99ded64e6c3a6f3e701d78f50c55e002b839dea7225cff7cc"},
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]
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[package.extras]
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dev = ["black (>=23.1.0)", "coverage (>=7.0)", "flake8 (>=7)", "mypy (>=1.8)", "pylint (>=3)", "pytest (>=7.4)", "pytest-cov (>=4.1.0)", "sphinx (>=7.2.0)", "twine (>=4.0.0)", "wheel (>=0.42.0)"]
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dnssec = ["cryptography (>=41)"]
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doh = ["h2 (>=4.1.0)", "httpcore (>=1.0.0)", "httpx (>=0.26.0)"]
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doq = ["aioquic (>=0.9.25)"]
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idna = ["idna (>=3.6)"]
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trio = ["trio (>=0.23)"]
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wmi = ["wmi (>=1.5.1)"]
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[[package]]
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name = "email-validator"
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version = "2.2.0"
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description = "A robust email address syntax and deliverability validation library."
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optional = false
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python-versions = ">=3.8"
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files = [
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{file = "email_validator-2.2.0-py3-none-any.whl", hash = "sha256:561977c2d73ce3611850a06fa56b414621e0c8faa9d66f2611407d87465da631"},
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{file = "email_validator-2.2.0.tar.gz", hash = "sha256:cb690f344c617a714f22e66ae771445a1ceb46821152df8e165c5f9a364582b7"},
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]
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[package.dependencies]
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dnspython = ">=2.0.0"
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idna = ">=2.0.0"
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[[package]]
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name = "gunicorn"
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version = "23.0.0"
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@ -218,6 +264,17 @@ setproctitle = ["setproctitle"]
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testing = ["coverage", "eventlet", "gevent", "pytest", "pytest-cov"]
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tornado = ["tornado (>=0.2)"]
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[[package]]
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name = "idna"
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version = "3.7"
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description = "Internationalized Domain Names in Applications (IDNA)"
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optional = false
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python-versions = ">=3.5"
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files = [
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{file = "idna-3.7-py3-none-any.whl", hash = "sha256:82fee1fc78add43492d3a1898bfa6d8a904cc97d8427f683ed8e798d07761aa0"},
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{file = "idna-3.7.tar.gz", hash = "sha256:028ff3aadf0609c1fd278d8ea3089299412a7a8b9bd005dd08b9f8285bcb5cfc"},
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]
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[[package]]
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name = "iniconfig"
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version = "2.0.0"
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@ -400,6 +457,129 @@ files = [
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{file = "pycparser-2.22.tar.gz", hash = "sha256:491c8be9c040f5390f5bf44a5b07752bd07f56edf992381b05c701439eec10f6"},
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]
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[[package]]
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name = "pydantic"
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version = "2.8.2"
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description = "Data validation using Python type hints"
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optional = false
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python-versions = ">=3.8"
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files = [
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{file = "pydantic-2.8.2-py3-none-any.whl", hash = "sha256:73ee9fddd406dc318b885c7a2eab8a6472b68b8fb5ba8150949fc3db939f23c8"},
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{file = "pydantic-2.8.2.tar.gz", hash = "sha256:6f62c13d067b0755ad1c21a34bdd06c0c12625a22b0fc09c6b149816604f7c2a"},
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]
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[package.dependencies]
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annotated-types = ">=0.4.0"
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pydantic-core = "2.20.1"
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typing-extensions = [
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{version = ">=4.12.2", markers = "python_version >= \"3.13\""},
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{version = ">=4.6.1", markers = "python_version < \"3.13\""},
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]
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[package.extras]
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email = ["email-validator (>=2.0.0)"]
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[[package]]
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name = "pydantic-core"
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version = "2.20.1"
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description = "Core functionality for Pydantic validation and serialization"
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optional = false
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python-versions = ">=3.8"
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files = [
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|
||||
{file = "pydantic_core-2.20.1-cp38-cp38-macosx_10_12_x86_64.whl", hash = "sha256:4745f4ac52cc6686390c40eaa01d48b18997cb130833154801a442323cc78f91"},
|
||||
{file = "pydantic_core-2.20.1-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:a8ad4c766d3f33ba8fd692f9aa297c9058970530a32c728a2c4bfd2616d3358b"},
|
||||
{file = "pydantic_core-2.20.1-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:41e81317dd6a0127cabce83c0c9c3fbecceae981c8391e6f1dec88a77c8a569a"},
|
||||
{file = "pydantic_core-2.20.1-cp38-cp38-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:04024d270cf63f586ad41fff13fde4311c4fc13ea74676962c876d9577bcc78f"},
|
||||
{file = "pydantic_core-2.20.1-cp38-cp38-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:eaad4ff2de1c3823fddf82f41121bdf453d922e9a238642b1dedb33c4e4f98ad"},
|
||||
{file = "pydantic_core-2.20.1-cp38-cp38-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:26ab812fa0c845df815e506be30337e2df27e88399b985d0bb4e3ecfe72df31c"},
|
||||
{file = "pydantic_core-2.20.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:3c5ebac750d9d5f2706654c638c041635c385596caf68f81342011ddfa1e5598"},
|
||||
{file = "pydantic_core-2.20.1-cp38-cp38-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:2aafc5a503855ea5885559eae883978c9b6d8c8993d67766ee73d82e841300dd"},
|
||||
{file = "pydantic_core-2.20.1-cp38-cp38-musllinux_1_1_aarch64.whl", hash = "sha256:4868f6bd7c9d98904b748a2653031fc9c2f85b6237009d475b1008bfaeb0a5aa"},
|
||||
{file = "pydantic_core-2.20.1-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:aa2f457b4af386254372dfa78a2eda2563680d982422641a85f271c859df1987"},
|
||||
{file = "pydantic_core-2.20.1-cp38-none-win32.whl", hash = "sha256:225b67a1f6d602de0ce7f6c1c3ae89a4aa25d3de9be857999e9124f15dab486a"},
|
||||
{file = "pydantic_core-2.20.1-cp38-none-win_amd64.whl", hash = "sha256:6b507132dcfc0dea440cce23ee2182c0ce7aba7054576efc65634f080dbe9434"},
|
||||
{file = "pydantic_core-2.20.1-cp39-cp39-macosx_10_12_x86_64.whl", hash = "sha256:b03f7941783b4c4a26051846dea594628b38f6940a2fdc0df00b221aed39314c"},
|
||||
{file = "pydantic_core-2.20.1-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:1eedfeb6089ed3fad42e81a67755846ad4dcc14d73698c120a82e4ccf0f1f9f6"},
|
||||
{file = "pydantic_core-2.20.1-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:635fee4e041ab9c479e31edda27fcf966ea9614fff1317e280d99eb3e5ab6fe2"},
|
||||
{file = "pydantic_core-2.20.1-cp39-cp39-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:77bf3ac639c1ff567ae3b47f8d4cc3dc20f9966a2a6dd2311dcc055d3d04fb8a"},
|
||||
{file = "pydantic_core-2.20.1-cp39-cp39-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:7ed1b0132f24beeec5a78b67d9388656d03e6a7c837394f99257e2d55b461611"},
|
||||
{file = "pydantic_core-2.20.1-cp39-cp39-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:c6514f963b023aeee506678a1cf821fe31159b925c4b76fe2afa94cc70b3222b"},
|
||||
{file = "pydantic_core-2.20.1-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:10d4204d8ca33146e761c79f83cc861df20e7ae9f6487ca290a97702daf56006"},
|
||||
{file = "pydantic_core-2.20.1-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:2d036c7187b9422ae5b262badb87a20a49eb6c5238b2004e96d4da1231badef1"},
|
||||
{file = "pydantic_core-2.20.1-cp39-cp39-musllinux_1_1_aarch64.whl", hash = "sha256:9ebfef07dbe1d93efb94b4700f2d278494e9162565a54f124c404a5656d7ff09"},
|
||||
{file = "pydantic_core-2.20.1-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:6b9d9bb600328a1ce523ab4f454859e9d439150abb0906c5a1983c146580ebab"},
|
||||
{file = "pydantic_core-2.20.1-cp39-none-win32.whl", hash = "sha256:784c1214cb6dd1e3b15dd8b91b9a53852aed16671cc3fbe4786f4f1db07089e2"},
|
||||
{file = "pydantic_core-2.20.1-cp39-none-win_amd64.whl", hash = "sha256:d2fe69c5434391727efa54b47a1e7986bb0186e72a41b203df8f5b0a19a4f669"},
|
||||
{file = "pydantic_core-2.20.1-pp310-pypy310_pp73-macosx_10_12_x86_64.whl", hash = "sha256:a45f84b09ac9c3d35dfcf6a27fd0634d30d183205230a0ebe8373a0e8cfa0906"},
|
||||
{file = "pydantic_core-2.20.1-pp310-pypy310_pp73-macosx_11_0_arm64.whl", hash = "sha256:d02a72df14dfdbaf228424573a07af10637bd490f0901cee872c4f434a735b94"},
|
||||
{file = "pydantic_core-2.20.1-pp310-pypy310_pp73-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:d2b27e6af28f07e2f195552b37d7d66b150adbaa39a6d327766ffd695799780f"},
|
||||
{file = "pydantic_core-2.20.1-pp310-pypy310_pp73-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:084659fac3c83fd674596612aeff6041a18402f1e1bc19ca39e417d554468482"},
|
||||
{file = "pydantic_core-2.20.1-pp310-pypy310_pp73-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:242b8feb3c493ab78be289c034a1f659e8826e2233786e36f2893a950a719bb6"},
|
||||
{file = "pydantic_core-2.20.1-pp310-pypy310_pp73-musllinux_1_1_aarch64.whl", hash = "sha256:38cf1c40a921d05c5edc61a785c0ddb4bed67827069f535d794ce6bcded919fc"},
|
||||
{file = "pydantic_core-2.20.1-pp310-pypy310_pp73-musllinux_1_1_x86_64.whl", hash = "sha256:e0bbdd76ce9aa5d4209d65f2b27fc6e5ef1312ae6c5333c26db3f5ade53a1e99"},
|
||||
{file = "pydantic_core-2.20.1-pp310-pypy310_pp73-win_amd64.whl", hash = "sha256:254ec27fdb5b1ee60684f91683be95e5133c994cc54e86a0b0963afa25c8f8a6"},
|
||||
{file = "pydantic_core-2.20.1-pp39-pypy39_pp73-macosx_10_12_x86_64.whl", hash = "sha256:407653af5617f0757261ae249d3fba09504d7a71ab36ac057c938572d1bc9331"},
|
||||
{file = "pydantic_core-2.20.1-pp39-pypy39_pp73-macosx_11_0_arm64.whl", hash = "sha256:c693e916709c2465b02ca0ad7b387c4f8423d1db7b4649c551f27a529181c5ad"},
|
||||
{file = "pydantic_core-2.20.1-pp39-pypy39_pp73-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:5b5ff4911aea936a47d9376fd3ab17e970cc543d1b68921886e7f64bd28308d1"},
|
||||
{file = "pydantic_core-2.20.1-pp39-pypy39_pp73-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:177f55a886d74f1808763976ac4efd29b7ed15c69f4d838bbd74d9d09cf6fa86"},
|
||||
{file = "pydantic_core-2.20.1-pp39-pypy39_pp73-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:964faa8a861d2664f0c7ab0c181af0bea66098b1919439815ca8803ef136fc4e"},
|
||||
{file = "pydantic_core-2.20.1-pp39-pypy39_pp73-musllinux_1_1_aarch64.whl", hash = "sha256:4dd484681c15e6b9a977c785a345d3e378d72678fd5f1f3c0509608da24f2ac0"},
|
||||
{file = "pydantic_core-2.20.1-pp39-pypy39_pp73-musllinux_1_1_x86_64.whl", hash = "sha256:f6d6cff3538391e8486a431569b77921adfcdef14eb18fbf19b7c0a5294d4e6a"},
|
||||
{file = "pydantic_core-2.20.1-pp39-pypy39_pp73-win_amd64.whl", hash = "sha256:a6d511cc297ff0883bc3708b465ff82d7560193169a8b93260f74ecb0a5e08a7"},
|
||||
{file = "pydantic_core-2.20.1.tar.gz", hash = "sha256:26ca695eeee5f9f1aeeb211ffc12f10bcb6f71e2989988fda61dabd65db878d4"},
|
||||
]
|
||||
|
||||
[package.dependencies]
|
||||
typing-extensions = ">=4.6.0,<4.7.0 || >4.7.0"
|
||||
|
||||
[[package]]
|
||||
name = "pytest"
|
||||
version = "8.3.2"
|
||||
@ -447,7 +627,18 @@ files = [
|
||||
{file = "ruff-0.5.7.tar.gz", hash = "sha256:8dfc0a458797f5d9fb622dd0efc52d796f23f0a1493a9527f4e49a550ae9a7e5"},
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "typing-extensions"
|
||||
version = "4.12.2"
|
||||
description = "Backported and Experimental Type Hints for Python 3.8+"
|
||||
optional = false
|
||||
python-versions = ">=3.8"
|
||||
files = [
|
||||
{file = "typing_extensions-4.12.2-py3-none-any.whl", hash = "sha256:04e5ca0351e0f3f85c6853954072df659d0d13fac324d0072316b67d7794700d"},
|
||||
{file = "typing_extensions-4.12.2.tar.gz", hash = "sha256:1a7ead55c7e559dd4dee8856e3a88b41225abfe1ce8df57b7c13915fe121ffb8"},
|
||||
]
|
||||
|
||||
[metadata]
|
||||
lock-version = "2.0"
|
||||
python-versions = "^3.11"
|
||||
content-hash = "e74f9bbb0dad671b46a8e80cbc5776de00b043b8e93ba102eab9be8b4aef2fac"
|
||||
content-hash = "4fa8ab616be6891780300d4d66e9fb936aeac75bd3448e04073b2835acf9aadd"
|
||||
|
||||
@ -10,6 +10,8 @@ python = "^3.11"
|
||||
peewee = "^3.17.6"
|
||||
jinja2 = "^3.1.4"
|
||||
cryptography = "^43.0.0"
|
||||
email-validator = "^2.2.0"
|
||||
pydantic = "^2.8.2"
|
||||
|
||||
[tool.poetry.group.dev.dependencies]
|
||||
ruff = "^0.5.5"
|
||||
|
||||
@ -3,4 +3,4 @@ DEFAULT_ENCODING = "ISO-8859-1"
|
||||
__version__ = "0.9.0"
|
||||
|
||||
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie
|
||||
REGEX_COOKIE_NAME = r'^[a-zA-Z0-9\s\(\)<>@,;:\/\\\[\]\?=\{\}\"\t]*$'
|
||||
REGEX_COOKIE_NAME = r"^[a-zA-Z0-9\s\(\)<>@,;:\/\\\[\]\?=\{\}\"\t]*$"
|
||||
|
||||
8
spiderweb/example_validator.py
Normal file
8
spiderweb/example_validator.py
Normal file
@ -0,0 +1,8 @@
|
||||
from pydantic import EmailStr
|
||||
|
||||
from spiderweb.middleware.pydantic import SpiderwebModel
|
||||
|
||||
|
||||
class CommentForm(SpiderwebModel):
|
||||
email: EmailStr
|
||||
comment: str
|
||||
39
spiderweb/middleware/pydantic.py
Normal file
39
spiderweb/middleware/pydantic.py
Normal file
@ -0,0 +1,39 @@
|
||||
from typing import get_type_hints
|
||||
|
||||
from pydantic import BaseModel
|
||||
from pydantic_core._pydantic_core import ValidationError
|
||||
from spiderweb import SpiderwebMiddleware
|
||||
from spiderweb.request import Request
|
||||
from spiderweb.response import JsonResponse
|
||||
|
||||
|
||||
class SpiderwebModel(BaseModel, Request):
|
||||
# type hinting shenanigans that allow us to annotate Request objects
|
||||
# with the pydantic models we want to validate them with, but doesn't
|
||||
# break the Request object's ability to be used as a Request object
|
||||
pass
|
||||
|
||||
|
||||
class PydanticMiddleware(SpiderwebMiddleware):
|
||||
def process_request(self, request):
|
||||
if not request.method == "POST":
|
||||
return
|
||||
types = get_type_hints(request.handler)
|
||||
if "request" not in types:
|
||||
return
|
||||
try:
|
||||
data = types["request"].parse_obj(request.POST)
|
||||
request.validated_data = data
|
||||
except ValidationError as e:
|
||||
return self.on_error(request, e)
|
||||
|
||||
def on_error(self, request: Request, e: ValidationError):
|
||||
# Separated out into its own method so that it can be overridden
|
||||
errors = e.errors()
|
||||
error_dict = {"message": "Validation error", "errors": []}
|
||||
# [{'type': 'missing', 'loc': ('comment',), 'msg': 'Field required', 'input': {'email': 'a@a.com'}, 'url': 'https://errors.pydantic.dev/2.8/v/missing'}]
|
||||
for error in errors:
|
||||
field = error["loc"][0]
|
||||
msg = error["msg"]
|
||||
error_dict["errors"].append(f"{field}: {msg}")
|
||||
return JsonResponse(status_code=400, data=error_dict)
|
||||
@ -27,6 +27,8 @@ class Request:
|
||||
self.POST = {}
|
||||
self.META = {}
|
||||
self.COOKIES = {}
|
||||
# only used for the pydantic middleware and only on POST requests
|
||||
self.validated_data = {}
|
||||
|
||||
self.populate_headers()
|
||||
self.populate_meta()
|
||||
@ -67,7 +69,10 @@ class Request:
|
||||
|
||||
def populate_cookies(self) -> None:
|
||||
if cookies := self.environ.get("HTTP_COOKIE"):
|
||||
self.COOKIES = {l.split("=")[0]: l.split("=")[1] for l in cookies.split("; ")}
|
||||
self.COOKIES = {
|
||||
option.split("=")[0]: option.split("=")[1]
|
||||
for option in cookies.split("; ")
|
||||
}
|
||||
|
||||
def json(self):
|
||||
return json.loads(self.content)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user