Move zero_ex.json_schemas to its own package

8 files changed, 27 insertions, 114 deletions

diff --git a/python-packages/order_utils/setup.py b/python-packages/order_utils/setup.py
index 125de5ff7..fdf8d1e8e 100755
--- a/python-packages/order_utils/setup.py
+++ b/python-packages/order_utils/setup.py
@@ -171,9 +171,9 @@ setup(
         "ganache": GanacheCommand,
     },
     install_requires=[
+        "0x-json-schemas",
         "eth-abi",
         "eth_utils",
-        "jsonschema",
         "mypy_extensions",
         "web3",
     ],
@@ -198,7 +198,6 @@ setup(
     package_data={
         "zero_ex.order_utils": ["py.typed"],
         "zero_ex.contract_artifacts": ["artifacts/*"],
-        "zero_ex.json_schemas": ["schemas/*"],
     },
     package_dir={"": "src"},
     license="Apache 2.0",
diff --git a/python-packages/order_utils/src/index.rst b/python-packages/order_utils/src/index.rst
index 551487ab1..4d27a4b17 100644
--- a/python-packages/order_utils/src/index.rst
+++ b/python-packages/order_utils/src/index.rst
@@ -22,9 +22,6 @@ See source for class properties.  Sphinx does not easily generate class property
 
 .. autoclass:: zero_ex.order_utils.asset_data_utils.ERC721AssetData
 
-.. automodule:: zero_ex.json_schemas
-   :members:
-
 Indices and tables
 ==================
 
diff --git a/python-packages/order_utils/src/zero_ex/json_schemas/__init__.py b/python-packages/order_utils/src/zero_ex/json_schemas/__init__.py
deleted file mode 100644
index a76a2fa3b..000000000
--- a/python-packages/order_utils/src/zero_ex/json_schemas/__init__.py
+++ /dev/null
@@ -1,74 +0,0 @@
-"""JSON schemas and associated utilities."""
-
-from os import path
-import json
-from typing import Mapping
-
-from pkg_resources import resource_string
-import jsonschema
-
-
-class _LocalRefResolver(jsonschema.RefResolver):
-    """Resolve package-local JSON schema id's."""
-
-    def __init__(self):
-        """Initialize a new instance."""
-        self.ref_to_file = {
-            "/addressSchema": "address_schema.json",
-            "/hexSchema": "hex_schema.json",
-            "/orderSchema": "order_schema.json",
-            "/wholeNumberSchema": "whole_number_schema.json",
-            "/ECSignature": "ec_signature_schema.json",
-            "/signedOrderSchema": "signed_order_schema.json",
-            "/ecSignatureParameterSchema": (
-                "ec_signature_parameter_schema.json" + ""
-            ),
-        }
-        jsonschema.RefResolver.__init__(self, "", "")
-
-    def resolve_from_url(self, url: str) -> str:
-        """Resolve the given URL.
-
-        :param url: a string representing the URL of the JSON schema to fetch.
-        :returns: a string representing the deserialized JSON schema
-        :raises jsonschema.ValidationError: when the resource associated with
-                   `url` does not exist.
-        """
-        ref = url.replace("file://", "")
-        if ref in self.ref_to_file:
-            return json.loads(
-                resource_string(
-                    "zero_ex.json_schemas", f"schemas/{self.ref_to_file[ref]}"
-                )
-            )
-        raise jsonschema.ValidationError(
-            f"Unknown ref '{ref}'. "
-            + f"Known refs: {list(self.ref_to_file.keys())}."
-        )
-
-
-# Instantiate the `_LocalRefResolver()` only once so that `assert_valid()` can
-# perform multiple schema validations without reading from disk the schema
-# every time.
-_LOCAL_RESOLVER = _LocalRefResolver()
-
-
-def assert_valid(data: Mapping, schema_id: str) -> None:
-    """Validate the given `data` against the specified `schema`.
-
-    :param data: Python dictionary to be validated as a JSON object.
-    :param schema_id: id property of the JSON schema to validate against.  Must
-        be one of those listed in `the 0x JSON schema files
-        <https://github.com/0xProject/0x-monorepo/tree/development/packages/json-schemas/schemas>`_.
-
-    Raises an exception if validation fails.
-
-    >>> assert_valid(
-    ...     {'v': 27, 'r': '0x'+'f'*64, 's': '0x'+'f'*64},
-    ...     '/ECSignature',
-    ... )
-    """
-    # noqa
-
-    _, schema = _LOCAL_RESOLVER.resolve(schema_id)
-    jsonschema.validate(data, schema, resolver=_LOCAL_RESOLVER)
diff --git a/python-packages/order_utils/src/zero_ex/json_schemas/schemas b/python-packages/order_utils/src/zero_ex/json_schemas/schemas
deleted file mode 120000
index b8257372c..000000000
--- a/python-packages/order_utils/src/zero_ex/json_schemas/schemas
+++ /dev/null
@@ -1 +0,0 @@
-../../../../../packages/json-schemas/schemas/
\ No newline at end of file
diff --git a/python-packages/order_utils/stubs/jsonschema/__init__.pyi b/python-packages/order_utils/stubs/jsonschema/__init__.pyi
deleted file mode 100644
index 442e2f65e..000000000
--- a/python-packages/order_utils/stubs/jsonschema/__init__.pyi
+++ /dev/null
@@ -1,11 +0,0 @@
-from typing import Any, Dict, Tuple
-
-
-class RefResolver:
-    def resolve(self, url: str) -> Tuple[str, Dict]:
-        ...
-
-
-class ValidationError(Exception): pass
-
-def validate(instance: Any, schema: Dict, cls=None, *args, **kwargs) -> None: pass
diff --git a/python-packages/order_utils/stubs/jsonschema/exceptions.pyi b/python-packages/order_utils/stubs/jsonschema/exceptions.pyi
deleted file mode 100644
index e69de29bb..000000000
--- a/python-packages/order_utils/stubs/jsonschema/exceptions.pyi
+++ /dev/null
diff --git a/python-packages/order_utils/stubs/web3/__init___BASE_31011.pyi b/python-packages/order_utils/stubs/web3/__init___BASE_31011.pyi
new file mode 100644
index 000000000..fcecc7434
--- /dev/null
+++ b/python-packages/order_utils/stubs/web3/__init___BASE_31011.pyi
@@ -0,0 +1,26 @@
+from typing import Dict, Optional, Union
+
+from web3.utils import datatypes
+
+
+class Web3:
+    class HTTPProvider: ...
+
+    def __init__(self, provider: HTTPProvider) -> None: ...
+
+    @staticmethod
+    def sha3(
+        primitive: Optional[Union[bytes, int, None]] = None,
+        text: Optional[str] = None,
+        hexstr: Optional[str] = None
+    ) -> bytes: ...
+
+    class net:
+        version: str
+        ...
+
+    class eth:
+        @staticmethod
+        def contract(address: str, abi: Dict) -> datatypes.Contract: ...
+        ...
+    ...
diff --git a/python-packages/order_utils/test/test_json_schemas.py b/python-packages/order_utils/test/test_json_schemas.py
deleted file mode 100644
index 51cecbd4f..000000000
--- a/python-packages/order_utils/test/test_json_schemas.py
+++ /dev/null
@@ -1,23 +0,0 @@
-"""Tests of zero_ex.json_schemas"""
-
-
-from zero_ex.order_utils import make_empty_order
-from zero_ex.json_schemas import _LOCAL_RESOLVER, assert_valid
-
-
-def test_assert_valid_caches_resources():
-    """Test that the JSON ref resolver in `assert_valid()` caches resources
-
-    In order to test the cache we much access the private class of
-    `json_schemas` and reset the LRU cache on `_LocalRefResolver`.
-    For this to happen, we need to disable errror `W0212`
-    on _LOCAL_RESOLVER
-    """
-    _LOCAL_RESOLVER._remote_cache.cache_clear()  # pylint: disable=W0212
-
-    assert_valid(make_empty_order(), "/orderSchema")
-    cache_info = (
-        _LOCAL_RESOLVER._remote_cache.cache_info()  # pylint: disable=W0212
-    )
-    assert cache_info.currsize == 4
-    assert cache_info.hits == 10