diff env/lib/python3.7/site-packages/planemo/xml/validation.py @ 5:9b1c78e6ba9c draft default tip

"planemo upload commit 6c0a8142489327ece472c84e558c47da711a9142"

--- a/env/lib/python3.7/site-packages/planemo/xml/validation.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,92 +0,0 @@
-"""Module describing abstractions for validating XML content."""
-import abc
-import subprocess
-from collections import namedtuple
-
-from galaxy.tool_util.deps.commands import which
-from galaxy.util import unicodify
-try:
-    from lxml import etree
-except ImportError:
-    etree = None
-
-XMLLINT_COMMAND = "xmllint --noout --schema {0} {1} 2>&1"
-INSTALL_VALIDATOR_MESSAGE = ("This feature requires an external dependency "
-                             "to function, pleaes install xmllint (e.g 'brew "
-                             "install libxml2' or 'apt-get install "
-                             "libxml2-utils'.")
-
-
-class XsdValidator(object):
-    """Class allowing validation of XML files against XSD schema."""
-
-    __metaclass__ = abc.ABCMeta
-
-    @abc.abstractmethod
-    def validate(self, schema_path, target_path):
-        """Validate ``target_path`` against ``schema_path``.
-
-        :return type: ValidationResult
-        """
-
-    @abc.abstractmethod
-    def enabled(self):
-        """Return True iff system has dependencies for this validator.
-
-        :return type: bool
-        """
-
-
-ValidationResult = namedtuple("ValidationResult", ["passed", "output"])
-
-
-class LxmlValidator(XsdValidator):
-    """Validate XSD files using lxml library."""
-
-    def validate(self, schema_path, target_path):
-        try:
-            xsd_doc = etree.parse(schema_path)
-            xsd = etree.XMLSchema(xsd_doc)
-            xml = etree.parse(target_path)
-            passed = xsd.validate(xml)
-            return ValidationResult(passed, xsd.error_log)
-        except etree.XMLSyntaxError as e:
-            return ValidationResult(False, unicodify(e))
-
-    def enabled(self):
-        return etree is not None
-
-
-class XmllintValidator(XsdValidator):
-    """Validate XSD files with the external tool xmllint."""
-
-    def validate(self, schema_path, target_path):
-        command = XMLLINT_COMMAND.format(schema_path, target_path)
-        p = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
-        stdout, _ = p.communicate()
-        passed = p.returncode == 0
-        return ValidationResult(passed, stdout)
-
-    def enabled(self):
-        return bool(which("xmllint"))
-
-
-VALIDATORS = [LxmlValidator(), XmllintValidator()]
-
-
-def get_validator(require=True):
-    """Return a :class:`XsdValidator` object based on available dependencies."""
-    for validator in VALIDATORS:
-        if validator.enabled():
-            return validator
-
-    if require:
-        raise Exception(INSTALL_VALIDATOR_MESSAGE)
-
-    return None
-
-
-__all__ = (
-    "get_validator",
-    "XsdValidator",
-)