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# Editor configuration, see http://editorconfig.org
root = true
[*]
charset = utf-8
indent_style = space
indent_size = 4
end_of_line = lf
insert_final_newline = true
trim_trailing_whitespace = true
[*.md]
max_line_length = 0
trim_trailing_whitespace = false
[*.xsd]
indent_size = 2
# Byte-compiled / optimized / DLL files
__pycache__/
# Unit test / coverage reports
.cache
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# Distribution / packaging
*.egg-info/
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# IDEs and editors
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GNU LESSER GENERAL PUBLIC LICENSE
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# datamodelvalidator
Performs validation of the Euclid Data Model.
This diff is collapsed.
<?xml version='1.0' encoding='UTF-8'?>
<xs:schema targetNamespace="http://www.w3.org/2001/XMLSchema" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:redefine schemaLocation="XMLSchema.xsd">
<xs:complexType name="schemaType">
<xs:complexContent>
<xs:restriction base="schemaType">
<xs:sequence>
<xs:choice minOccurs="0" maxOccurs="unbounded">
<!-- Dictionaries may only contain imports, annotations, simpleTypes, and complexTypes. -->
<!-- EUCLID-STD-E-HB-80-503_0340 Xsd.Syn.Redefine -->
<xs:element ref="xs:import"/>
<xs:element ref="xs:annotation"/>
</xs:choice>
<xs:sequence minOccurs="0" maxOccurs="unbounded">
<xs:group ref="xs:simplecomplextypegroup"/>
</xs:sequence>
</xs:sequence>
<!-- EUCLID-STD-E-HB-80-503_0450 Xsd.Mngt.DictionaryNamespace -->
<!-- EUCLID-STD-E-HB-80-503_0453 Xsd.Mngt.TargetNamespaceNaming -->
<!-- TODO: force `xmlns` atttribute to be equal to `targetNamespace` -->
<xs:attribute name="targetNamespace" type="xs:dmURI" use="required"/>
<!-- EUCLID-STD-E-HB-80-503_0430 Xsd.Mngt.Version -->
<xs:attribute name="version" type="xs:token" use="required"/>
<!-- EUCLID-STD-E-HB-80-503_0452 Xsd.Mngt.Unqualified -->
<xs:attribute name="attributeFormDefault" type="xs:formChoice" use="optional" fixed="unqualified"/>
<!-- EUCLID-STD-E-HB-80-503_0452 Xsd.Mngt.Unqualified -->
<xs:attribute name="elementFormDefault" type="xs:formChoice" use="optional" fixed="unqualified"/>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="topLevelSimpleType">
<xs:complexContent>
<xs:restriction base="topLevelSimpleType">
<xs:sequence>
<xs:element ref="xs:annotation" minOccurs="0"/>
<xs:group ref="xs:simpleDerivation"/>
</xs:sequence>
<!-- EUCLID-STD-E-HB-80-503_0160 Xsd.Syn.Identifier -->
<xs:attribute name="name" type="xs:typeName" use="required"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="topLevelComplexType">
<xs:complexContent>
<xs:restriction base="topLevelComplexType">
<xs:sequence>
<xs:element ref="xs:annotation" minOccurs="0"/>
<xs:group ref="xs:complexTypeModel"/>
</xs:sequence>
<!-- EUCLID-STD-E-HB-80-503_0160 Xsd.Syn.Identifier -->
<xs:attribute name="name" type="xs:typeName" use="required"/>
<!-- EUCLID-STD-E-HB-80-503_0426 Xsd.Design.AbstractAttribute -->
<xs:attribute name="abstract" type="xs:boolean" use="optional" fixed="false"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:group name="typeDefParticle">
<xs:choice>
<xs:element name="group" type="xs:groupRef"/>
<!-- EUCLID-STD-E-HB-80-503_0330 Xsd.Syn.All -->
<xs:element ref="xs:choice"/>
<xs:element ref="xs:sequence"/>
</xs:choice>
</xs:group>
<xs:group name="particle">
<xs:choice>
<xs:element name="element" type="xs:localElement"/>
<xs:element name="group" type="xs:groupRef"/>
<!-- EUCLID-STD-E-HB-80-503_0330 Xsd.Syn.All -->
<xs:element ref="xs:choice"/>
<xs:element ref="xs:sequence"/>
</xs:choice>
</xs:group>
</xs:redefine>
<xs:simpleType name="dmURI">
<xs:restriction base="xs:anyURI">
<!-- EUCLID-STD-E-HB-80-503_0453 Xsd.Mngt.TargetNamespaceNaming -->
<xs:pattern value="http://[a-z0-9]+\.esa\.org/schema(/[a-z0-9]+)+"/>
</xs:restriction>
</xs:simpleType>
<xs:group name="simplecomplextypegroup">
<xs:choice>
<xs:element ref="xs:simpleType"/>
<xs:element ref="xs:complexType"/>
</xs:choice>
</xs:group>
<xs:simpleType name="typeName">
<xs:restriction base="xs:NCName">
<xs:pattern value="[a-z]+[A-Za-z0-9_]*"/>
</xs:restriction>
</xs:simpleType>
</xs:schema>
\ No newline at end of file
import os
import re
import logging
from typing import Iterable
from lxml import etree
class DataModel:
def __init__(self, path: str) -> None:
self.path = os.path.abspath(path)
self.logger = logging.getLogger(__name__)
def dictionary_files(self) -> Iterable[str]:
return self.__filtered_files('dictionary')
def __filtered_files(self, relative_path: str) -> Iterable[str]:
# EUCLID-STD-E-HB-80-503_0010 is equivalent to:
requirement_pattern = '^[a-z]{3}-[a-z]{4}-[a-z0-9]{3}(-[a-zA-Z0-9]{0,10})?\.xsd$'
requirement_regex = re.compile(requirement_pattern)
# However, some schemas violate it but do satisfy the following:
valid_pattern = '^[a-z]{3}-[a-z]{4}-[a-z0-9]+(-[a-zA-Z0-9]*)*\.xsd$'
valid_regex = re.compile(valid_pattern)
# Overly broad pattern that should catch all XSD files
xsd_pattern = '^.*\.xsd$'
xsd_regex = re.compile(xsd_pattern)
# Recursively walk the given path
path = os.path.join(self.path, relative_path)
for dirpath, dirnames, filenames in os.walk(path):
num_xsd_files = 0
for filename in filenames:
if not xsd_regex.match(filename):
continue
num_xsd_files += 1
abs_filename = os.path.join(dirpath, filename)
if requirement_regex.match(filename):
yield abs_filename
elif valid_regex.match(filename):
message = "Schema {file} does not satisfy filename requirements".format(file=abs_filename)
self.logger.warning(message)
yield abs_filename
else:
message = "Schema {file} does not satisfy relaxed filename requirements".format(file=abs_filename)
self.logger.error(message)
if num_xsd_files > 1:
message = "More than one XSD file in directory {dir}".format(dir=dirpath)
self.logger.error(message)
class Validator:
def __init__(self, xsd_schema_path=None) -> None:
self.logger = logging.getLogger(__name__)
if xsd_schema_path is None:
path = os.path.dirname(os.path.abspath(__file__))
self.__xsd_schema_path = os.path.join(path, 'schemas')
else:
self.__xsd_schema_path = os.path.abspath(xsd_schema_path)
def is_valid(self, dm: DataModel) -> bool:
dictionary_schema = self.__get_schema('dictionary')
w3c_schema = self.__get_schema('XMLSchema')
filenames = dm.dictionary_files()
return self.__validate_files(filenames, dictionary_schema) and self.__validate_files(filenames, w3c_schema)
def __validate_files(self, filenames: Iterable[str], schema: etree.XMLSchema) -> bool:
is_valid = True
for filename in filenames:
doc = etree.parse(filename)
try:
schema.assertValid(doc)
except etree.DocumentInvalid as exception:
self.logger.error("Error parsing {file}: {message}".format(file=filename, message=str(exception)))
is_valid = False
return is_valid
def __get_schema(self, component: str) -> etree.XMLSchema:
schema_file = os.path.join(self.__xsd_schema_path, component + '.xsd')
return etree.XMLSchema(file=schema_file)
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