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gentoo-overlay/dev-python/pyudev/files/pyudev-0.19.0-Fixes-for-ID_...

214 lines
7.6 KiB

commit b1cc8624a2ad8afdc04181ccf6ca42c37a9a701e
Author: mulhern <amulhern@redhat.com>
Date: Mon Feb 15 14:13:49 2016 -0500
Fixes for ID_PATH parsing.
* Disable individual fields matching '-'.
* Do not try to parse delimiter '-' between distinct ids.
* Change format for a sas path.
* Handle virtio-pci.
Signed-off-by: mulhern <amulhern@redhat.com>
diff --git a/src/pyudev/_parsing/_id_path.py b/src/pyudev/_parsing/_id_path.py
index c94f332..0b65c43 100644
--- a/src/pyudev/_parsing/_id_path.py
+++ b/src/pyudev/_parsing/_id_path.py
@@ -35,6 +35,16 @@
from ._shared import Parser
+class IdPathField(Field):
+ """
+ Overrides default regular expression.
+ """
+ # pylint: disable=too-few-public-methods
+
+ def __init__(self, name, regexp=r'[^-]+', description=None):
+ super(IdPathField, self).__init__(name, regexp, description)
+
+
class IdPathParsers(object):
"""
Aggregate parsers.
@@ -42,70 +52,73 @@ class IdPathParsers(object):
# pylint: disable=too-few-public-methods
PARSERS = [
- Parser(r'acpi-%s', [Field('sys_name')]),
- Parser(r'ap-%s', [Field('sys_name')]),
- Parser(r'ata-%s', [Field('port_no')]),
- Parser(r'bcma-%s', [Field('core')]),
- Parser(r'cciss-disk%s', [Field('disk')]),
- Parser(r'ccw-%s', [Field('sys_name')]),
- Parser(r'ccwgroup-%s', [Field('sys_name')]),
- Parser(r'fc-%s-%s', [Field('port_name'), Field('lun')]),
+ Parser(r'acpi-%s', [IdPathField('sys_name')]),
+ Parser(r'ap-%s', [IdPathField('sys_name')]),
+ Parser(r'ata-%s', [IdPathField('port_no')]),
+ Parser(r'bcma-%s', [IdPathField('core')]),
+ Parser(r'cciss-disk%s', [IdPathField('disk')]),
+ Parser(r'ccw-%s', [IdPathField('sys_name')]),
+ Parser(r'ccwgroup-%s', [IdPathField('sys_name')]),
+ Parser(r'fc-%s-%s', [IdPathField('port_name'), IdPathField('lun')]),
Parser(
r'ip-%s:%s-iscsi-%s-%s',
[
- Field('persistent_address'),
- Field('persistent_port'),
- Field('target_name'),
- Field('lun')
+ IdPathField('persistent_address'),
+ IdPathField('persistent_port'),
+ IdPathField('target_name'),
+ IdPathField('lun')
]
),
- Parser(r'iucv-%s', [Field('sys_name')]),
- Parser(r'nst%s', [Field('name')]),
- Parser(r'pci-%s', [Field('sys_name')]),
- Parser(r'platform-%s', [Field('sys_name')]),
- Parser(r'sas-%s-%s', [Field('sas_address'), Field('lun')]),
+ Parser(r'iucv-%s', [IdPathField('sys_name')]),
+ Parser(r'nst%s', [IdPathField('name')]),
+ Parser(r'pci-%s', [IdPathField('sys_name')]),
+ Parser(r'platform-%s', [IdPathField('sys_name')]),
+ Parser(r'sas-%s-lun-%s',
+ [IdPathField('sas_address'), IdPathField('lun')]
+ ),
Parser(
r'sas-exp%s-phy%s-%s',
[
- Field(
+ IdPathField(
'sas_address',
r'.*',
'sysfs sas_address attribute of expander'
),
- Field(
+ IdPathField(
'phy_identifier',
r'.*',
'sysfs phy_identifier attribute of target sas device'
),
- Field('lun', description='sysnum of device (0 if none)')
+ IdPathField('lun', description='sysnum of device (0 if none)')
]
),
Parser(
r'sas-phy%s-%s',
[
- Field(
+ IdPathField(
'phy_identifier',
r'.*',
'sysfs phy_identifier attribute of target sas device'
),
- Field('lun', description='sysnum of device (0 if none)')
+ IdPathField('lun', description='sysnum of device (0 if none)')
]
),
- Parser(r'scm-%s', [Field('sys_name')]),
+ Parser(r'scm-%s', [IdPathField('sys_name')]),
Parser(
r'scsi-%s:%s:%s:%s',
[
- Field('host'),
- Field('bus'),
- Field('target'),
- Field('lun')
+ IdPathField('host'),
+ IdPathField('bus'),
+ IdPathField('target'),
+ IdPathField('lun')
]
),
- Parser('serio-%s', [Field('sysnum')]),
- Parser('st%s', [Field('name')]),
- Parser('usb-0:%s', [Field('port')]),
- Parser('vmbus-%s-%s', [Field('guid'), Field('lun')]),
- Parser('xen-%s', [Field('sys_name')])
+ Parser('serio-%s', [IdPathField('sysnum')]),
+ Parser('st%s', [IdPathField('name')]),
+ Parser('usb-0:%s', [IdPathField('port')]),
+ Parser('virtio-pci-%s', [IdPathField('sys_name')]),
+ Parser('vmbus-%s-%s', [IdPathField('guid'), IdPathField('lun')]),
+ Parser('xen-%s', [IdPathField('sys_name')])
]
@@ -166,6 +179,6 @@ def parse(self, value):
(parser, best_match) = max(matches, key=lambda x: len(x[0].prefix))
match_list.append((parser, best_match))
- value = value[len(best_match.group('total')):]
+ value = value[len(best_match.group('total')) + 1:]
return match_list
diff --git a/tests/test_parsing.py b/tests/test_parsing.py
index 619fb01..fba5575 100644
--- a/tests/test_parsing.py
+++ b/tests/test_parsing.py
@@ -52,20 +52,27 @@ class TestIDPATH(object):
Test parsing ID_PATH values.
"""
# pylint: disable=too-few-public-methods
-
- @given(
- strategies.sampled_from(_DEVICES).filter(
- lambda x: x.get('ID_PATH') is not None
- )
+ _devices = [d for d in _DEVICES if d.get('ID_PATH') is not None]
+ @pytest.mark.skipif(
+ len(_devices) == 0,
+ reason="no devices with ID_PATH property"
)
+ @given(strategies.sampled_from(_devices))
+ @settings(min_satisfying_examples=1)
def test_parsing(self, a_device):
"""
Test that parsing is satisfactory on all examples.
"""
+ parsers = _parsing.IdPathParsers.PARSERS
id_path = a_device.get('ID_PATH')
- parser = _parsing.IdPathParse(_parsing.IdPathParsers.PARSERS)
+ parser = _parsing.IdPathParse(parsers)
result = parser.parse(id_path)
assert isinstance(result, list) and result != []
+ assert all(
+ any(r[1].group('total').startswith(p.prefix) for p in parsers) \
+ for r in result
+ )
+ assert not any(r[1].group('total').startswith('-') for r in result)
_devices = [d for d in _DEVICES if d.get('ID_SAS_PATH') is not None]
@pytest.mark.skipif(
@@ -78,10 +85,25 @@ def test_parsing_sas_path(self, a_device):
"""
Test that parsing is satisfactory on all examples.
"""
+ parsers = _parsing.IdPathParsers.PARSERS
id_path = a_device.get('ID_SAS_PATH')
- parser = _parsing.IdPathParse(_parsing.IdPathParsers.PARSERS)
+ parser = _parsing.IdPathParse(parsers)
result = parser.parse(id_path)
assert isinstance(result, list) and result != []
+ assert all(
+ any(r[1].group('total').startswith(p.prefix) for p in parsers) \
+ for r in result
+ )
+ assert not any(r[1].group('total').startswith('-') for r in result)
+
+ def test_failure(self):
+ """
+ Test at least one failure.
+ """
+ id_path = 'pci-0000_09_00_0-sas0x5000155359566200-lun-0'
+ parser = _parsing.IdPathParse(_parsing.IdPathParsers.PARSERS)
+ result = parser.parse(id_path)
+ assert result == []
class TestDevlinks(object):