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This commit is contained in:
Egor Matveev
2024-12-28 22:48:16 +03:00
parent c1249bfcd0
commit 6c6a549aff
2532 changed files with 562109 additions and 1 deletions
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venv/lib/python3.11/site-packages/setuptools/config/_validate_pyproject/NOTICE Normal file
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The code contained in this directory was automatically generated using the
following command:
python -m validate_pyproject.pre_compile --output-dir=setuptools/config/_validate_pyproject --enable-plugins setuptools distutils --very-verbose -t distutils=setuptools/config/distutils.schema.json -t setuptools=setuptools/config/setuptools.schema.json
Please avoid changing it manually.
You can report issues or suggest changes directly to `validate-pyproject`
(or to the relevant plugin repository)
- https://github.com/abravalheri/validate-pyproject/issues
***
The following files include code from opensource projects
(either as direct copies or modified versions):
- `fastjsonschema_exceptions.py`:
- project: `fastjsonschema` - licensed under BSD-3-Clause
(https://github.com/horejsek/python-fastjsonschema)
- `extra_validations.py` and `format.py`, `error_reporting.py`:
- project: `validate-pyproject` - licensed under MPL-2.0
(https://github.com/abravalheri/validate-pyproject)
Additionally the following files are automatically generated by tools provided
by the same projects:
- `__init__.py`
- `fastjsonschema_validations.py`
The relevant copyright notes and licenses are included below.
***
`fastjsonschema`
================
Copyright (c) 2018, Michal Horejsek
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.
Neither the name of the {organization} nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***
`validate-pyproject`
====================
Mozilla Public License, version 2.0
1. Definitions
1.1. "Contributor"
means each individual or legal entity that creates, contributes to the
creation of, or owns Covered Software.
1.2. "Contributor Version"
means the combination of the Contributions of others (if any) used by a
Contributor and that particular Contributor's Contribution.
1.3. "Contribution"
means Covered Software of a particular Contributor.
1.4. "Covered Software"
means Source Code Form to which the initial Contributor has attached the
notice in Exhibit A, the Executable Form of such Source Code Form, and
Modifications of such Source Code Form, in each case including portions
thereof.
1.5. "Incompatible With Secondary Licenses"
means
a. that the initial Contributor has attached the notice described in
Exhibit B to the Covered Software; or
b. that the Covered Software was made available under the terms of
version 1.1 or earlier of the License, but not also under the terms of
a Secondary License.
1.6. "Executable Form"
means any form of the work other than Source Code Form.
1.7. "Larger Work"
means a work that combines Covered Software with other material, in a
separate file or files, that is not Covered Software.
1.8. "License"
means this document.
1.9. "Licensable"
means having the right to grant, to the maximum extent possible, whether
at the time of the initial grant or subsequently, any and all of the
rights conveyed by this License.
1.10. "Modifications"
means any of the following:
a. any file in Source Code Form that results from an addition to,
deletion from, or modification of the contents of Covered Software; or
b. any new file in Source Code Form that contains any Covered Software.
1.11. "Patent Claims" of a Contributor
means any patent claim(s), including without limitation, method,
process, and apparatus claims, in any patent Licensable by such
Contributor that would be infringed, but for the grant of the License,
by the making, using, selling, offering for sale, having made, import,
or transfer of either its Contributions or its Contributor Version.
1.12. "Secondary License"
means either the GNU General Public License, Version 2.0, the GNU Lesser
General Public License, Version 2.1, the GNU Affero General Public
License, Version 3.0, or any later versions of those licenses.
1.13. "Source Code Form"
means the form of the work preferred for making modifications.
1.14. "You" (or "Your")
means an individual or a legal entity exercising rights under this
License. For legal entities, "You" includes any entity that controls, is
controlled by, or is under common control with You. For purposes of this
definition, "control" means (a) the power, direct or indirect, to cause
the direction or management of such entity, whether by contract or
otherwise, or (b) ownership of more than fifty percent (50%) of the
outstanding shares or beneficial ownership of such entity.
2. License Grants and Conditions
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:
a. under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or
as part of a Larger Work; and
b. under Patent Claims of such Contributor to make, use, sell, offer for
sale, have made, import, and otherwise transfer either its
Contributions or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution
become effective for each Contribution on the date the Contributor first
distributes such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under
this License. No additional rights or licenses will be implied from the
distribution or licensing of Covered Software under this License.
Notwithstanding Section 2.1(b) above, no patent license is granted by a
Contributor:
a. for any code that a Contributor has removed from Covered Software; or
b. for infringements caused by: (i) Your and any other third party's
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or
c. under Patent Claims infringed by Covered Software in the absence of
its Contributions.
This License does not grant any rights in the trademarks, service marks,
or logos of any Contributor (except as may be necessary to comply with
the notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this
License (see Section 10.2) or under the terms of a Secondary License (if
permitted under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its
Contributions are its original creation(s) or it has sufficient rights to
grant the rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under
applicable copyright doctrines of fair use, fair dealing, or other
equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
Section 2.1.
3. Responsibilities
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under
the terms of this License. You must inform recipients that the Source
Code Form of the Covered Software is governed by the terms of this
License, and how they can obtain a copy of this License. You may not
attempt to alter or restrict the recipients' rights in the Source Code
Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
a. such Covered Software must also be made available in Source Code Form,
as described in Section 3.1, and You must inform recipients of the
Executable Form how they can obtain a copy of such Source Code Form by
reasonable means in a timely manner, at a charge no more than the cost
of distribution to the recipient; and
b. You may distribute such Executable Form under the terms of this
License, or sublicense it under different terms, provided that the
license for the Executable Form does not attempt to limit or alter the
recipients' rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for
the Covered Software. If the Larger Work is a combination of Covered
Software with a work governed by one or more Secondary Licenses, and the
Covered Software is not Incompatible With Secondary Licenses, this
License permits You to additionally distribute such Covered Software
under the terms of such Secondary License(s), so that the recipient of
the Larger Work may, at their option, further distribute the Covered
Software under the terms of either this License or such Secondary
License(s).
3.4. Notices
You may not remove or alter the substance of any license notices
(including copyright notices, patent notices, disclaimers of warranty, or
limitations of liability) contained within the Source Code Form of the
Covered Software, except that You may alter any license notices to the
extent required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on
behalf of any Contributor. You must make it absolutely clear that any
such warranty, support, indemnity, or liability obligation is offered by
You alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.
4. Inability to Comply Due to Statute or Regulation
If it is impossible for You to comply with any of the terms of this License
with respect to some or all of the Covered Software due to statute,
judicial order, or regulation then You must: (a) comply with the terms of
this License to the maximum extent possible; and (b) describe the
limitations and the code they affect. Such description must be placed in a
text file included with all distributions of the Covered Software under
this License. Except to the extent prohibited by statute or regulation,
such description must be sufficiently detailed for a recipient of ordinary
skill to be able to understand it.
5. Termination
5.1. The rights granted under this License will terminate automatically if You
fail to comply with any of its terms. However, if You become compliant,
then the rights granted under this License from a particular Contributor
are reinstated (a) provisionally, unless and until such Contributor
explicitly and finally terminates Your grants, and (b) on an ongoing
basis, if such Contributor fails to notify You of the non-compliance by
some reasonable means prior to 60 days after You have come back into
compliance. Moreover, Your grants from a particular Contributor are
reinstated on an ongoing basis if such Contributor notifies You of the
non-compliance by some reasonable means, this is the first time You have
received notice of non-compliance with this License from such
Contributor, and You become compliant prior to 30 days after Your receipt
of the notice.
5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions,
counter-claims, and cross-claims) alleging that a Contributor Version
directly or indirectly infringes any patent, then the rights granted to
You by any and all Contributors for the Covered Software under Section
2.1 of this License shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
license agreements (excluding distributors and resellers) which have been
validly granted by You or Your distributors under this License prior to
termination shall survive termination.
6. Disclaimer of Warranty
Covered Software is provided under this License on an "as is" basis,
without warranty of any kind, either expressed, implied, or statutory,
including, without limitation, warranties that the Covered Software is free
of defects, merchantable, fit for a particular purpose or non-infringing.
The entire risk as to the quality and performance of the Covered Software
is with You. Should any Covered Software prove defective in any respect,
You (not any Contributor) assume the cost of any necessary servicing,
repair, or correction. This disclaimer of warranty constitutes an essential
part of this License. No use of any Covered Software is authorized under
this License except under this disclaimer.
7. Limitation of Liability
Under no circumstances and under no legal theory, whether tort (including
negligence), contract, or otherwise, shall any Contributor, or anyone who
distributes Covered Software as permitted above, be liable to You for any
direct, indirect, special, incidental, or consequential damages of any
character including, without limitation, damages for lost profits, loss of
goodwill, work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses, even if such party shall have been
informed of the possibility of such damages. This limitation of liability
shall not apply to liability for death or personal injury resulting from
such party's negligence to the extent applicable law prohibits such
limitation. Some jurisdictions do not allow the exclusion or limitation of
incidental or consequential damages, so this exclusion and limitation may
not apply to You.
8. Litigation
Any litigation relating to this License may be brought only in the courts
of a jurisdiction where the defendant maintains its principal place of
business and such litigation shall be governed by laws of that
jurisdiction, without reference to its conflict-of-law provisions. Nothing
in this Section shall prevent a party's ability to bring cross-claims or
counter-claims.
9. Miscellaneous
This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides that
the language of a contract shall be construed against the drafter shall not
be used to construe this License against a Contributor.
10. Versions of the License
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version
of the License under which You originally received the Covered Software,
or under the terms of any subsequent version published by the license
steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a
modified version of this License if you rename the license and remove
any references to the name of the license steward (except to note that
such modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary
Licenses If You choose to distribute Source Code Form that is
Incompatible With Secondary Licenses under the terms of this version of
the License, the notice described in Exhibit B of this License must be
attached.
Exhibit A - Source Code Form License Notice
This Source Code Form is subject to the
terms of the Mozilla Public License, v.
2.0. If a copy of the MPL was not
distributed with this file, You can
obtain one at
https://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular file,
then You may include the notice in a location (such as a LICENSE file in a
relevant directory) where a recipient would be likely to look for such a
notice.
You may add additional accurate notices of copyright ownership.
Exhibit B - "Incompatible With Secondary Licenses" Notice
This Source Code Form is "Incompatible
With Secondary Licenses", as defined by
the Mozilla Public License, v. 2.0.

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venv/lib/python3.11/site-packages/setuptools/config/_validate_pyproject/__init__.py Normal file
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from functools import reduce
from typing import Any, Callable, Dict
from . import formats
from .error_reporting import detailed_errors, ValidationError
from .extra_validations import EXTRA_VALIDATIONS
from .fastjsonschema_exceptions import JsonSchemaException, JsonSchemaValueException
from .fastjsonschema_validations import validate as _validate
__all__ = [
"validate",
"FORMAT_FUNCTIONS",
"EXTRA_VALIDATIONS",
"ValidationError",
"JsonSchemaException",
"JsonSchemaValueException",
]
FORMAT_FUNCTIONS: Dict[str, Callable[[str], bool]] = {
fn.__name__.replace("_", "-"): fn
for fn in formats.__dict__.values()
if callable(fn) and not fn.__name__.startswith("_")
}
def validate(data: Any) -> bool:
"""Validate the given ``data`` object using JSON Schema
This function raises ``ValidationError`` if ``data`` is invalid.
"""
with detailed_errors():
_validate(data, custom_formats=FORMAT_FUNCTIONS)
reduce(lambda acc, fn: fn(acc), EXTRA_VALIDATIONS, data)
return True

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venv/lib/python3.11/site-packages/setuptools/config/_validate_pyproject/error_reporting.py Normal file
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import io
import json
import logging
import os
import re
import typing
from contextlib import contextmanager
from textwrap import indent, wrap
from typing import Any, Dict, Generator, Iterator, List, Optional, Sequence, Union
from .fastjsonschema_exceptions import JsonSchemaValueException
if typing.TYPE_CHECKING:
import sys
if sys.version_info < (3, 11):
from typing_extensions import Self
else:
from typing import Self
_logger = logging.getLogger(__name__)
_MESSAGE_REPLACEMENTS = {
"must be named by propertyName definition": "keys must be named by",
"one of contains definition": "at least one item that matches",
" same as const definition:": "",
"only specified items": "only items matching the definition",
}
_SKIP_DETAILS = (
"must not be empty",
"is always invalid",
"must not be there",
)
_NEED_DETAILS = {"anyOf", "oneOf", "allOf", "contains", "propertyNames", "not", "items"}
_CAMEL_CASE_SPLITTER = re.compile(r"\W+|([A-Z][^A-Z\W]*)")
_IDENTIFIER = re.compile(r"^[\w_]+$", re.I)
_TOML_JARGON = {
"object": "table",
"property": "key",
"properties": "keys",
"property names": "keys",
}
_FORMATS_HELP = """
For more details about `format` see
https://validate-pyproject.readthedocs.io/en/latest/api/validate_pyproject.formats.html
"""
class ValidationError(JsonSchemaValueException):
"""Report violations of a given JSON schema.
This class extends :exc:`~fastjsonschema.JsonSchemaValueException`
by adding the following properties:
- ``summary``: an improved version of the ``JsonSchemaValueException`` error message
with only the necessary information)
- ``details``: more contextual information about the error like the failing schema
itself and the value that violates the schema.
Depending on the level of the verbosity of the ``logging`` configuration
the exception message will be only ``summary`` (default) or a combination of
``summary`` and ``details`` (when the logging level is set to :obj:`logging.DEBUG`).
"""
summary = ""
details = ""
_original_message = ""
@classmethod
def _from_jsonschema(cls, ex: JsonSchemaValueException) -> "Self":
formatter = _ErrorFormatting(ex)
obj = cls(str(formatter), ex.value, formatter.name, ex.definition, ex.rule)
debug_code = os.getenv("JSONSCHEMA_DEBUG_CODE_GENERATION", "false").lower()
if debug_code != "false": # pragma: no cover
obj.__cause__, obj.__traceback__ = ex.__cause__, ex.__traceback__
obj._original_message = ex.message
obj.summary = formatter.summary
obj.details = formatter.details
return obj
@contextmanager
def detailed_errors() -> Generator[None, None, None]:
try:
yield
except JsonSchemaValueException as ex:
raise ValidationError._from_jsonschema(ex) from None
class _ErrorFormatting:
def __init__(self, ex: JsonSchemaValueException):
self.ex = ex
self.name = f"`{self._simplify_name(ex.name)}`"
self._original_message: str = self.ex.message.replace(ex.name, self.name)
self._summary = ""
self._details = ""
def __str__(self) -> str:
if _logger.getEffectiveLevel() <= logging.DEBUG and self.details:
return f"{self.summary}\n\n{self.details}"
return self.summary
@property
def summary(self) -> str:
if not self._summary:
self._summary = self._expand_summary()
return self._summary
@property
def details(self) -> str:
if not self._details:
self._details = self._expand_details()
return self._details
@staticmethod
def _simplify_name(name: str) -> str:
x = len("data.")
return name[x:] if name.startswith("data.") else name
def _expand_summary(self) -> str:
msg = self._original_message
for bad, repl in _MESSAGE_REPLACEMENTS.items():
msg = msg.replace(bad, repl)
if any(substring in msg for substring in _SKIP_DETAILS):
return msg
schema = self.ex.rule_definition
if self.ex.rule in _NEED_DETAILS and schema:
summary = _SummaryWriter(_TOML_JARGON)
return f"{msg}:\n\n{indent(summary(schema), ' ')}"
return msg
def _expand_details(self) -> str:
optional = []
definition = self.ex.definition or {}
desc_lines = definition.pop("$$description", [])
desc = definition.pop("description", None) or " ".join(desc_lines)
if desc:
description = "\n".join(
wrap(
desc,
width=80,
initial_indent=" ",
subsequent_indent=" ",
break_long_words=False,
)
)
optional.append(f"DESCRIPTION:\n{description}")
schema = json.dumps(definition, indent=4)
value = json.dumps(self.ex.value, indent=4)
defaults = [
f"GIVEN VALUE:\n{indent(value, ' ')}",
f"OFFENDING RULE: {self.ex.rule!r}",
f"DEFINITION:\n{indent(schema, ' ')}",
]
msg = "\n\n".join(optional + defaults)
epilog = f"\n{_FORMATS_HELP}" if "format" in msg.lower() else ""
return msg + epilog
class _SummaryWriter:
_IGNORE = frozenset(("description", "default", "title", "examples"))
def __init__(self, jargon: Optional[Dict[str, str]] = None):
self.jargon: Dict[str, str] = jargon or {}
# Clarify confusing terms
self._terms = {
"anyOf": "at least one of the following",
"oneOf": "exactly one of the following",
"allOf": "all of the following",
"not": "(*NOT* the following)",
"prefixItems": f"{self._jargon('items')} (in order)",
"items": "items",
"contains": "contains at least one of",
"propertyNames": (
f"non-predefined acceptable {self._jargon('property names')}"
),
"patternProperties": f"{self._jargon('properties')} named via pattern",
"const": "predefined value",
"enum": "one of",
}
# Attributes that indicate that the definition is easy and can be done
# inline (e.g. string and number)
self._guess_inline_defs = [
"enum",
"const",
"maxLength",
"minLength",
"pattern",
"format",
"minimum",
"maximum",
"exclusiveMinimum",
"exclusiveMaximum",
"multipleOf",
]
def _jargon(self, term: Union[str, List[str]]) -> Union[str, List[str]]:
if isinstance(term, list):
return [self.jargon.get(t, t) for t in term]
return self.jargon.get(term, term)
def __call__(
self,
schema: Union[dict, List[dict]],
prefix: str = "",
*,
_path: Sequence[str] = (),
) -> str:
if isinstance(schema, list):
return self._handle_list(schema, prefix, _path)
filtered = self._filter_unecessary(schema, _path)
simple = self._handle_simple_dict(filtered, _path)
if simple:
return f"{prefix}{simple}"
child_prefix = self._child_prefix(prefix, " ")
item_prefix = self._child_prefix(prefix, "- ")
indent = len(prefix) * " "
with io.StringIO() as buffer:
for i, (key, value) in enumerate(filtered.items()):
child_path = [*_path, key]
line_prefix = prefix if i == 0 else indent
buffer.write(f"{line_prefix}{self._label(child_path)}:")
# ^ just the first item should receive the complete prefix
if isinstance(value, dict):
filtered = self._filter_unecessary(value, child_path)
simple = self._handle_simple_dict(filtered, child_path)
buffer.write(
f" {simple}"
if simple
else f"\n{self(value, child_prefix, _path=child_path)}"
)
elif isinstance(value, list) and (
key != "type" or self._is_property(child_path)
):
children = self._handle_list(value, item_prefix, child_path)
sep = " " if children.startswith("[") else "\n"
buffer.write(f"{sep}{children}")
else:
buffer.write(f" {self._value(value, child_path)}\n")
return buffer.getvalue()
def _is_unecessary(self, path: Sequence[str]) -> bool:
if self._is_property(path) or not path: # empty path => instruction @ root
return False
key = path[-1]
return any(key.startswith(k) for k in "$_") or key in self._IGNORE
def _filter_unecessary(
self, schema: Dict[str, Any], path: Sequence[str]
) -> Dict[str, Any]:
return {
key: value
for key, value in schema.items()
if not self._is_unecessary([*path, key])
}
def _handle_simple_dict(self, value: dict, path: Sequence[str]) -> Optional[str]:
inline = any(p in value for p in self._guess_inline_defs)
simple = not any(isinstance(v, (list, dict)) for v in value.values())
if inline or simple:
return f"{{{', '.join(self._inline_attrs(value, path))}}}\n"
return None
def _handle_list(
self, schemas: list, prefix: str = "", path: Sequence[str] = ()
) -> str:
if self._is_unecessary(path):
return ""
repr_ = repr(schemas)
if all(not isinstance(e, (dict, list)) for e in schemas) and len(repr_) < 60:
return f"{repr_}\n"
item_prefix = self._child_prefix(prefix, "- ")
return "".join(
self(v, item_prefix, _path=[*path, f"[{i}]"]) for i, v in enumerate(schemas)
)
def _is_property(self, path: Sequence[str]) -> bool:
"""Check if the given path can correspond to an arbitrarily named property"""
counter = 0
for key in path[-2::-1]:
if key not in {"properties", "patternProperties"}:
break
counter += 1
# If the counter if even, the path correspond to a JSON Schema keyword
# otherwise it can be any arbitrary string naming a property
return counter % 2 == 1
def _label(self, path: Sequence[str]) -> str:
*parents, key = path
if not self._is_property(path):
norm_key = _separate_terms(key)
return self._terms.get(key) or " ".join(self._jargon(norm_key))
if parents[-1] == "patternProperties":
return f"(regex {key!r})"
return repr(key) # property name
def _value(self, value: Any, path: Sequence[str]) -> str:
if path[-1] == "type" and not self._is_property(path):
type_ = self._jargon(value)
return f"[{', '.join(type_)}]" if isinstance(type_, list) else type_
return repr(value)
def _inline_attrs(self, schema: dict, path: Sequence[str]) -> Iterator[str]:
for key, value in schema.items():
child_path = [*path, key]
yield f"{self._label(child_path)}: {self._value(value, child_path)}"
def _child_prefix(self, parent_prefix: str, child_prefix: str) -> str:
return len(parent_prefix) * " " + child_prefix
def _separate_terms(word: str) -> List[str]:
"""
>>> _separate_terms("FooBar-foo")
['foo', 'bar', 'foo']
"""
return [w.lower() for w in _CAMEL_CASE_SPLITTER.split(word) if w]

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"""The purpose of this module is implement PEP 621 validations that are
difficult to express as a JSON Schema (or that are not supported by the current
JSON Schema library).
"""
from inspect import cleandoc
from typing import Mapping, TypeVar
from .error_reporting import ValidationError
T = TypeVar("T", bound=Mapping)
class RedefiningStaticFieldAsDynamic(ValidationError):
_DESC = """According to PEP 621:
Build back-ends MUST raise an error if the metadata specifies a field
statically as well as being listed in dynamic.
"""
__doc__ = _DESC
_URL = (
"https://packaging.python.org/en/latest/specifications/"
"pyproject-toml/#dynamic"
)
def validate_project_dynamic(pyproject: T) -> T:
project_table = pyproject.get("project", {})
dynamic = project_table.get("dynamic", [])
for field in dynamic:
if field in project_table:
raise RedefiningStaticFieldAsDynamic(
message=f"You cannot provide a value for `project.{field}` and "
"list it under `project.dynamic` at the same time",
value={
field: project_table[field],
"...": " # ...",
"dynamic": dynamic,
},
name=f"data.project.{field}",
definition={
"description": cleandoc(RedefiningStaticFieldAsDynamic._DESC),
"see": RedefiningStaticFieldAsDynamic._URL,
},
rule="PEP 621",
)
return pyproject
EXTRA_VALIDATIONS = (validate_project_dynamic,)

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import re
SPLIT_RE = re.compile(r'[\.\[\]]+')
class JsonSchemaException(ValueError):
"""
Base exception of ``fastjsonschema`` library.
"""
class JsonSchemaValueException(JsonSchemaException):
"""
Exception raised by validation function. Available properties:
* ``message`` containing human-readable information what is wrong (e.g. ``data.property[index] must be smaller than or equal to 42``),
* invalid ``value`` (e.g. ``60``),
* ``name`` of a path in the data structure (e.g. ``data.property[index]``),
* ``path`` as an array in the data structure (e.g. ``['data', 'property', 'index']``),
* the whole ``definition`` which the ``value`` has to fulfil (e.g. ``{'type': 'number', 'maximum': 42}``),
* ``rule`` which the ``value`` is breaking (e.g. ``maximum``)
* and ``rule_definition`` (e.g. ``42``).
.. versionchanged:: 2.14.0
Added all extra properties.
"""
def __init__(self, message, value=None, name=None, definition=None, rule=None):
super().__init__(message)
self.message = message
self.value = value
self.name = name
self.definition = definition
self.rule = rule
@property
def path(self):
return [item for item in SPLIT_RE.split(self.name) if item != '']
@property
def rule_definition(self):
if not self.rule or not self.definition:
return None
return self.definition.get(self.rule)
class JsonSchemaDefinitionException(JsonSchemaException):
"""
Exception raised by generator of validation function.
"""

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"""
The functions in this module are used to validate schemas with the
`format JSON Schema keyword
<https://json-schema.org/understanding-json-schema/reference/string#format>`_.
The correspondence is given by replacing the ``_`` character in the name of the
function with a ``-`` to obtain the format name and vice versa.
"""
import builtins
import logging
import os
import re
import string
import typing
from itertools import chain as _chain
if typing.TYPE_CHECKING:
from typing_extensions import Literal
_logger = logging.getLogger(__name__)
# -------------------------------------------------------------------------------------
# PEP 440
VERSION_PATTERN = r"""
v?
(?:
(?:(?P<epoch>[0-9]+)!)? # epoch
(?P<release>[0-9]+(?:\.[0-9]+)*) # release segment
(?P<pre> # pre-release
[-_\.]?
(?P<pre_l>alpha|a|beta|b|preview|pre|c|rc)
[-_\.]?
(?P<pre_n>[0-9]+)?
)?
(?P<post> # post release
(?:-(?P<post_n1>[0-9]+))
|
(?:
[-_\.]?
(?P<post_l>post|rev|r)
[-_\.]?
(?P<post_n2>[0-9]+)?
)
)?
(?P<dev> # dev release
[-_\.]?
(?P<dev_l>dev)
[-_\.]?
(?P<dev_n>[0-9]+)?
)?
)
(?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))? # local version
"""
VERSION_REGEX = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.X | re.I)
def pep440(version: str) -> bool:
"""See :ref:`PyPA's version specification <pypa:version-specifiers>`
(initially introduced in :pep:`440`).
"""
return VERSION_REGEX.match(version) is not None
# -------------------------------------------------------------------------------------
# PEP 508
PEP508_IDENTIFIER_PATTERN = r"([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])"
PEP508_IDENTIFIER_REGEX = re.compile(f"^{PEP508_IDENTIFIER_PATTERN}$", re.I)
def pep508_identifier(name: str) -> bool:
"""See :ref:`PyPA's name specification <pypa:name-format>`
(initially introduced in :pep:`508#names`).
"""
return PEP508_IDENTIFIER_REGEX.match(name) is not None
try:
try:
from packaging import requirements as _req
except ImportError: # pragma: no cover
# let's try setuptools vendored version
from setuptools._vendor.packaging import ( # type: ignore[no-redef]
requirements as _req,
)
def pep508(value: str) -> bool:
"""See :ref:`PyPA's dependency specifiers <pypa:dependency-specifiers>`
(initially introduced in :pep:`508`).
"""
try:
_req.Requirement(value)
return True
except _req.InvalidRequirement:
return False
except ImportError: # pragma: no cover
_logger.warning(
"Could not find an installation of `packaging`. Requirements, dependencies and "
"versions might not be validated. "
"To enforce validation, please install `packaging`."
)
def pep508(value: str) -> bool:
return True
def pep508_versionspec(value: str) -> bool:
"""Expression that can be used to specify/lock versions (including ranges)
See ``versionspec`` in :ref:`PyPA's dependency specifiers
<pypa:dependency-specifiers>` (initially introduced in :pep:`508`).
"""
if any(c in value for c in (";", "]", "@")):
# In PEP 508:
# conditional markers, extras and URL specs are not included in the
# versionspec
return False
# Let's pretend we have a dependency called `requirement` with the given
# version spec, then we can reuse the pep508 function for validation:
return pep508(f"requirement{value}")
# -------------------------------------------------------------------------------------
# PEP 517
def pep517_backend_reference(value: str) -> bool:
"""See PyPA's specification for defining build-backend references
introduced in :pep:`517#source-trees`.
This is similar to an entry-point reference (e.g., ``package.module:object``).
"""
module, _, obj = value.partition(":")
identifiers = (i.strip() for i in _chain(module.split("."), obj.split(".")))
return all(python_identifier(i) for i in identifiers if i)
# -------------------------------------------------------------------------------------
# Classifiers - PEP 301
def _download_classifiers() -> str:
import ssl
from email.message import Message
from urllib.request import urlopen
url = "https://pypi.org/pypi?:action=list_classifiers"
context = ssl.create_default_context()
with urlopen(url, context=context) as response: # noqa: S310 (audit URLs)
headers = Message()
headers["content_type"] = response.getheader("content-type", "text/plain")
return response.read().decode(headers.get_param("charset", "utf-8")) # type: ignore[no-any-return]
class _TroveClassifier:
"""The ``trove_classifiers`` package is the official way of validating classifiers,
however this package might not be always available.
As a workaround we can still download a list from PyPI.
We also don't want to be over strict about it, so simply skipping silently is an
option (classifiers will be validated anyway during the upload to PyPI).
"""
downloaded: typing.Union[None, "Literal[False]", typing.Set[str]]
def __init__(self) -> None:
self.downloaded = None
self._skip_download = False
# None => not cached yet
# False => cache not available
self.__name__ = "trove_classifier" # Emulate a public function
def _disable_download(self) -> None:
# This is a private API. Only setuptools has the consent of using it.
self._skip_download = True
def __call__(self, value: str) -> bool:
if self.downloaded is False or self._skip_download is True:
return True
if os.getenv("NO_NETWORK") or os.getenv("VALIDATE_PYPROJECT_NO_NETWORK"):
self.downloaded = False
msg = (
"Install ``trove-classifiers`` to ensure proper validation. "
"Skipping download of classifiers list from PyPI (NO_NETWORK)."
)
_logger.debug(msg)
return True
if self.downloaded is None:
msg = (
"Install ``trove-classifiers`` to ensure proper validation. "
"Meanwhile a list of classifiers will be downloaded from PyPI."
)
_logger.debug(msg)
try:
self.downloaded = set(_download_classifiers().splitlines())
except Exception:
self.downloaded = False
_logger.debug("Problem with download, skipping validation")
return True
return value in self.downloaded or value.lower().startswith("private ::")
try:
from trove_classifiers import classifiers as _trove_classifiers
def trove_classifier(value: str) -> bool:
"""See https://pypi.org/classifiers/"""
return value in _trove_classifiers or value.lower().startswith("private ::")
except ImportError: # pragma: no cover
trove_classifier = _TroveClassifier()
# -------------------------------------------------------------------------------------
# Stub packages - PEP 561
def pep561_stub_name(value: str) -> bool:
"""Name of a directory containing type stubs.
It must follow the name scheme ``<package>-stubs`` as defined in
:pep:`561#stub-only-packages`.
"""
top, *children = value.split(".")
if not top.endswith("-stubs"):
return False
return python_module_name(".".join([top[: -len("-stubs")], *children]))
# -------------------------------------------------------------------------------------
# Non-PEP related
def url(value: str) -> bool:
"""Valid URL (validation uses :obj:`urllib.parse`).
For maximum compatibility please make sure to include a ``scheme`` prefix
in your URL (e.g. ``http://``).
"""
from urllib.parse import urlparse
try:
parts = urlparse(value)
if not parts.scheme:
_logger.warning(
"For maximum compatibility please make sure to include a "
"`scheme` prefix in your URL (e.g. 'http://'). "
f"Given value: {value}"
)
if not (value.startswith("/") or value.startswith("\\") or "@" in value):
parts = urlparse(f"http://{value}")
return bool(parts.scheme and parts.netloc)
except Exception:
return False
# https://packaging.python.org/specifications/entry-points/
ENTRYPOINT_PATTERN = r"[^\[\s=]([^=]*[^\s=])?"
ENTRYPOINT_REGEX = re.compile(f"^{ENTRYPOINT_PATTERN}$", re.I)
RECOMMEDED_ENTRYPOINT_PATTERN = r"[\w.-]+"
RECOMMEDED_ENTRYPOINT_REGEX = re.compile(f"^{RECOMMEDED_ENTRYPOINT_PATTERN}$", re.I)
ENTRYPOINT_GROUP_PATTERN = r"\w+(\.\w+)*"
ENTRYPOINT_GROUP_REGEX = re.compile(f"^{ENTRYPOINT_GROUP_PATTERN}$", re.I)
def python_identifier(value: str) -> bool:
"""Can be used as identifier in Python.
(Validation uses :obj:`str.isidentifier`).
"""
return value.isidentifier()
def python_qualified_identifier(value: str) -> bool:
"""
Python "dotted identifier", i.e. a sequence of :obj:`python_identifier`
concatenated with ``"."`` (e.g.: ``package.module.submodule``).
"""
if value.startswith(".") or value.endswith("."):
return False
return all(python_identifier(m) for m in value.split("."))
def python_module_name(value: str) -> bool:
"""Module name that can be used in an ``import``-statement in Python.
See :obj:`python_qualified_identifier`.
"""
return python_qualified_identifier(value)
def python_module_name_relaxed(value: str) -> bool:
"""Similar to :obj:`python_module_name`, but relaxed to also accept
dash characters (``-``) and cover special cases like ``pip-run``.
It is recommended, however, that beginners avoid dash characters,
as they require advanced knowledge about Python internals.
The following are disallowed:
* names starting/ending in dashes,
* names ending in ``-stubs`` (potentially collide with :obj:`pep561_stub_name`).
"""
if value.startswith("-") or value.endswith("-"):
return False
if value.endswith("-stubs"):
return False # Avoid collision with PEP 561
return python_module_name(value.replace("-", "_"))
def python_entrypoint_group(value: str) -> bool:
"""See ``Data model > group`` in the :ref:`PyPA's entry-points specification
<pypa:entry-points>`.
"""
return ENTRYPOINT_GROUP_REGEX.match(value) is not None
def python_entrypoint_name(value: str) -> bool:
"""See ``Data model > name`` in the :ref:`PyPA's entry-points specification
<pypa:entry-points>`.
"""
if not ENTRYPOINT_REGEX.match(value):
return False
if not RECOMMEDED_ENTRYPOINT_REGEX.match(value):
msg = f"Entry point `{value}` does not follow recommended pattern: "
msg += RECOMMEDED_ENTRYPOINT_PATTERN
_logger.warning(msg)
return True
def python_entrypoint_reference(value: str) -> bool:
"""Reference to a Python object using in the format::
importable.module:object.attr
See ``Data model >object reference`` in the :ref:`PyPA's entry-points specification
<pypa:entry-points>`.
"""
module, _, rest = value.partition(":")
if "[" in rest:
obj, _, extras_ = rest.partition("[")
if extras_.strip()[-1] != "]":
return False
extras = (x.strip() for x in extras_.strip(string.whitespace + "[]").split(","))
if not all(pep508_identifier(e) for e in extras):
return False
_logger.warning(f"`{value}` - using extras for entry points is not recommended")
else:
obj = rest
module_parts = module.split(".")
identifiers = _chain(module_parts, obj.split(".")) if rest else module_parts
return all(python_identifier(i.strip()) for i in identifiers)
def uint8(value: builtins.int) -> bool:
r"""Unsigned 8-bit integer (:math:`0 \leq x < 2^8`)"""
return 0 <= value < 2**8
def uint16(value: builtins.int) -> bool:
r"""Unsigned 16-bit integer (:math:`0 \leq x < 2^{16}`)"""
return 0 <= value < 2**16
def uint(value: builtins.int) -> bool:
r"""Unsigned 64-bit integer (:math:`0 \leq x < 2^{64}`)"""
return 0 <= value < 2**64
def int(value: builtins.int) -> bool:
r"""Signed 64-bit integer (:math:`-2^{63} \leq x < 2^{63}`)"""
return -(2**63) <= value < 2**63