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QAPI patches for 2020-03-05

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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2020-03-05' into staging

QAPI patches for 2020-03-05

# gpg: Signature made Thu 05 Mar 2020 12:42:15 GMT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2020-03-05:
  qapi: Brush off some (py)lint
  qapi: Use super() now we have Python 3
  qapi: Drop conditionals for Python 2
  qapi: Inheriting from object is pointless with Python 3, drop

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2020-03-05 15:18:18 +00:00
commit af4378c39e
13 changed files with 74 additions and 94 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
scripts/qapi/commands.py
View File

@ -237,8 +237,8 @@ void %(c_prefix)sqmp_init_marshal(QmpCommandList *cmds)
class QAPISchemaGenCommandVisitor(QAPISchemaModularCVisitor):
def __init__(self, prefix):
QAPISchemaModularCVisitor.__init__(
self, prefix, 'qapi-commands',
super().__init__(
prefix, 'qapi-commands',
' * Schema-defined QAPI/QMP commands', None, __doc__)
self._regy = QAPIGenCCode(None)
self._visited_ret_types = {}
@ -274,7 +274,7 @@ class QAPISchemaGenCommandVisitor(QAPISchemaModularCVisitor):
void %(c_prefix)sqmp_init_marshal(QmpCommandList *cmds);
''',
c_prefix=c_name(self._prefix, protect=False)))
c_prefix=c_name(self._prefix, protect=False)))
self._genc.preamble_add(mcgen('''
#include "qemu/osdep.h"
#include "%(prefix)sqapi-commands.h"

6
scripts/qapi/common.py
View File

@ -12,7 +12,6 @@
# See the COPYING file in the top-level directory.
import re
import string
# ENUMName -> ENUM_NAME, EnumName1 -> ENUM_NAME1
@ -43,10 +42,7 @@ def c_enum_const(type_name, const_name, prefix=None):
return camel_to_upper(type_name) + '_' + c_name(const_name, False).upper()
if hasattr(str, 'maketrans'):
c_name_trans = str.maketrans('.-', '__')
else:
c_name_trans = string.maketrans('.-', '__')
c_name_trans = str.maketrans('.-', '__')
# Map @name to a valid C identifier.

4
scripts/qapi/error.py
View File

@ -35,9 +35,9 @@ class QAPIParseError(QAPIError):
col = (col + 7) % 8 + 1
else:
col += 1
QAPIError.__init__(self, parser.info, col, msg)
super().__init__(parser.info, col, msg)
class QAPISemError(QAPIError):
def __init__(self, info, msg):
QAPIError.__init__(self, info, None, msg)
super().__init__(info, None, msg)

4
scripts/qapi/events.py
View File

@ -138,8 +138,8 @@ def gen_event_send(name, arg_type, boxed, event_enum_name, event_emit):
class QAPISchemaGenEventVisitor(QAPISchemaModularCVisitor):
def __init__(self, prefix):
QAPISchemaModularCVisitor.__init__(
self, prefix, 'qapi-events',
super().__init__(
prefix, 'qapi-events',
' * Schema-defined QAPI/QMP events', None, __doc__)
self._event_enum_name = c_name(prefix + 'QAPIEvent', protect=False)
self._event_enum_members = []

3
scripts/qapi/expr.py
View File

@ -35,7 +35,6 @@ def check_name_is_str(name, info, source):
def check_name_str(name, info, source,
allow_optional=False, enum_member=False,
permit_upper=False):
global valid_name
membername = name
if allow_optional and name.startswith('*'):
@ -249,7 +248,7 @@ def check_union(expr, info):
def check_alternate(expr, info):
members = expr['data']
if len(members) == 0:
if not members:
raise QAPISemError(info, "'data' must not be empty")
for (key, value) in members.items():
source = "'data' member '%s'" % key

27
scripts/qapi/gen.py
View File

@ -15,14 +15,13 @@
import errno
import os
import re
import sys
from contextlib import contextmanager
from qapi.common import *
from qapi.schema import QAPISchemaVisitor
class QAPIGen(object):
class QAPIGen:
def __init__(self, fname):
self.fname = fname
@ -46,18 +45,15 @@ class QAPIGen(object):
def write(self, output_dir):
pathname = os.path.join(output_dir, self.fname)
dir = os.path.dirname(pathname)
if dir:
odir = os.path.dirname(pathname)
if odir:
try:
os.makedirs(dir)
os.makedirs(odir)
except os.error as e:
if e.errno != errno.EEXIST:
raise
fd = os.open(pathname, os.O_RDWR | os.O_CREAT, 0o666)
if sys.version_info[0] >= 3:
f = open(fd, 'r+', encoding='utf-8')
else:
f = os.fdopen(fd, 'r+')
f = open(fd, 'r+', encoding='utf-8')
text = self.get_content()
oldtext = f.read(len(text) + 1)
if text != oldtext:
@ -86,7 +82,7 @@ def _wrap_ifcond(ifcond, before, after):
class QAPIGenCCode(QAPIGen):
def __init__(self, fname):
QAPIGen.__init__(self, fname)
super().__init__(fname)
self._start_if = None
def start_if(self, ifcond):
@ -106,13 +102,13 @@ class QAPIGenCCode(QAPIGen):
def get_content(self):
assert self._start_if is None
return QAPIGen.get_content(self)
return super().get_content()
class QAPIGenC(QAPIGenCCode):
def __init__(self, fname, blurb, pydoc):
QAPIGenCCode.__init__(self, fname)
super().__init__(fname)
self._blurb = blurb
self._copyright = '\n * '.join(re.findall(r'^Copyright .*', pydoc,
re.MULTILINE))
@ -145,7 +141,7 @@ char qapi_dummy_%(name)s;
class QAPIGenH(QAPIGenC):
def _top(self):
return QAPIGenC._top(self) + guardstart(self.fname)
return super()._top() + guardstart(self.fname)
def _bottom(self):
return guardend(self.fname)
@ -180,7 +176,7 @@ def ifcontext(ifcond, *args):
class QAPIGenDoc(QAPIGen):
def _top(self):
return (QAPIGen._top(self)
return (super()._top()
+ '@c AUTOMATICALLY GENERATED, DO NOT MODIFY\n\n')
@ -265,6 +261,9 @@ class QAPISchemaModularCVisitor(QAPISchemaVisitor):
genc.write(output_dir)
genh.write(output_dir)
def _begin_system_module(self, name):
pass
def _begin_user_module(self, name):
pass

6
scripts/qapi/introspect.py
View File

@ -10,8 +10,6 @@ This work is licensed under the terms of the GNU GPL, version 2.
See the COPYING file in the top-level directory.
"""
import string
from qapi.common import *
from qapi.gen import QAPISchemaMonolithicCVisitor
from qapi.schema import (QAPISchemaArrayType, QAPISchemaBuiltinType,
@ -76,8 +74,8 @@ def to_c_string(string):
class QAPISchemaGenIntrospectVisitor(QAPISchemaMonolithicCVisitor):
def __init__(self, prefix, unmask):
QAPISchemaMonolithicCVisitor.__init__(
self, prefix, 'qapi-introspect',
super().__init__(
prefix, 'qapi-introspect',
' * QAPI/QMP schema introspection', __doc__)
self._unmask = unmask
self._schema = None

20
scripts/qapi/parser.py
View File

@ -16,24 +16,20 @@
import os
import re
import sys
from collections import OrderedDict
from qapi.error import QAPIParseError, QAPISemError
from qapi.source import QAPISourceInfo
class QAPISchemaParser(object):
class QAPISchemaParser:
def __init__(self, fname, previously_included=None, incl_info=None):
previously_included = previously_included or set()
previously_included.add(os.path.abspath(fname))
try:
if sys.version_info[0] >= 3:
fp = open(fname, 'r', encoding='utf-8')
else:
fp = open(fname, 'r')
fp = open(fname, 'r', encoding='utf-8')
self.src = fp.read()
except IOError as e:
raise QAPISemError(incl_info or QAPISourceInfo(None, None, None),
@ -286,14 +282,13 @@ class QAPISchemaParser(object):
doc.end_comment()
self.accept()
return doc
else:
doc.append(self.val)
doc.append(self.val)
self.accept(False)
raise QAPIParseError(self, "documentation comment must end with '##'")
class QAPIDoc(object):
class QAPIDoc:
"""
A documentation comment block, either definition or free-form
@ -312,7 +307,7 @@ class QAPIDoc(object):
Free-form documentation blocks consist only of a body section.
"""
class Section(object):
class Section:
def __init__(self, name=None):
# optional section name (argument/member or section name)
self.name = name
@ -324,7 +319,7 @@ class QAPIDoc(object):
class ArgSection(Section):
def __init__(self, name):
QAPIDoc.Section.__init__(self, name)
super().__init__(name)
self.member = None
def connect(self, member):
@ -496,7 +491,7 @@ class QAPIDoc(object):
raise QAPIParseError(self._parser,
"'%s' can't follow '%s' section"
% (name, self.sections[0].name))
elif self._is_section_tag(name):
if self._is_section_tag(name):
line = line[len(name)+1:]
self._start_section(name[:-1])
@ -560,7 +555,6 @@ class QAPIDoc(object):
raise QAPISemError(feature.info,
"feature '%s' lacks documentation"
% feature.name)
self.features[feature.name] = QAPIDoc.ArgSection(feature.name)
self.features[feature.name].connect(feature)
def check_expr(self, expr):

74
scripts/qapi/schema.py
View File

@ -19,12 +19,12 @@ import re
from collections import OrderedDict
from qapi.common import c_name, pointer_suffix
from qapi.error import QAPIError, QAPIParseError, QAPISemError
from qapi.error import QAPIError, QAPISemError
from qapi.expr import check_exprs
from qapi.parser import QAPISchemaParser
class QAPISchemaEntity(object):
class QAPISchemaEntity:
meta = None
def __init__(self, name, info, doc, ifcond=None, features=None):
@ -89,21 +89,21 @@ class QAPISchemaEntity(object):
return "%s '%s'" % (self.meta, self.name)
class QAPISchemaVisitor(object):
class QAPISchemaVisitor:
def visit_begin(self, schema):
pass
def visit_end(self):
pass
def visit_module(self, fname):
def visit_module(self, name):
pass
def visit_needed(self, entity):
# Default to visiting everything
return True
def visit_include(self, fname, info):
def visit_include(self, name, info):
pass
def visit_builtin_type(self, name, info, json_type):
@ -135,7 +135,7 @@ class QAPISchemaVisitor(object):
pass
class QAPISchemaModule(object):
class QAPISchemaModule:
def __init__(self, name):
self.name = name
self._entity_list = []
@ -152,11 +152,11 @@ class QAPISchemaModule(object):
class QAPISchemaInclude(QAPISchemaEntity):
def __init__(self, sub_module, info):
QAPISchemaEntity.__init__(self, None, info, None)
super().__init__(None, info, None)
self._sub_module = sub_module
def visit(self, visitor):
QAPISchemaEntity.visit(self, visitor)
super().visit(visitor)
visitor.visit_include(self._sub_module.name, self.info)
@ -202,7 +202,7 @@ class QAPISchemaBuiltinType(QAPISchemaType):
meta = 'built-in'
def __init__(self, name, json_type, c_type):
QAPISchemaType.__init__(self, name, None, None)
super().__init__(name, None, None)
assert not c_type or isinstance(c_type, str)
assert json_type in ('string', 'number', 'int', 'boolean', 'null',
'value')
@ -227,7 +227,7 @@ class QAPISchemaBuiltinType(QAPISchemaType):
return self.json_type()
def visit(self, visitor):
QAPISchemaType.visit(self, visitor)
super().visit(visitor)
visitor.visit_builtin_type(self.name, self.info, self.json_type())
@ -235,7 +235,7 @@ class QAPISchemaEnumType(QAPISchemaType):
meta = 'enum'
def __init__(self, name, info, doc, ifcond, members, prefix):
QAPISchemaType.__init__(self, name, info, doc, ifcond)
super().__init__(name, info, doc, ifcond)
for m in members:
assert isinstance(m, QAPISchemaEnumMember)
m.set_defined_in(name)
@ -244,7 +244,7 @@ class QAPISchemaEnumType(QAPISchemaType):
self.prefix = prefix
def check(self, schema):
QAPISchemaType.check(self, schema)
super().check(schema)
seen = {}
for m in self.members:
m.check_clash(self.info, seen)
@ -269,7 +269,7 @@ class QAPISchemaEnumType(QAPISchemaType):
return 'string'
def visit(self, visitor):
QAPISchemaType.visit(self, visitor)
super().visit(visitor)
visitor.visit_enum_type(self.name, self.info, self.ifcond,
self.members, self.prefix)
@ -278,13 +278,13 @@ class QAPISchemaArrayType(QAPISchemaType):
meta = 'array'
def __init__(self, name, info, element_type):
QAPISchemaType.__init__(self, name, info, None, None)
super().__init__(name, info, None, None)
assert isinstance(element_type, str)
self._element_type_name = element_type
self.element_type = None
def check(self, schema):
QAPISchemaType.check(self, schema)
super().check(schema)
self.element_type = schema.resolve_type(
self._element_type_name, self.info,
self.info and self.info.defn_meta)
@ -314,7 +314,7 @@ class QAPISchemaArrayType(QAPISchemaType):
return 'array of ' + elt_doc_type
def visit(self, visitor):
QAPISchemaType.visit(self, visitor)
super().visit(visitor)
visitor.visit_array_type(self.name, self.info, self.ifcond,
self.element_type)
@ -329,7 +329,7 @@ class QAPISchemaObjectType(QAPISchemaType):
# struct has local_members, optional base, and no variants
# flat union has base, variants, and no local_members
# simple union has local_members, variants, and no base
QAPISchemaType.__init__(self, name, info, doc, ifcond, features)
super().__init__(name, info, doc, ifcond, features)
self.meta = 'union' if variants else 'struct'
assert base is None or isinstance(base, str)
for m in local_members:
@ -356,7 +356,7 @@ class QAPISchemaObjectType(QAPISchemaType):
raise QAPISemError(self.info,
"object %s contains itself" % self.name)
QAPISchemaType.check(self, schema)
super().check(schema)
assert self._checked and self.members is None
seen = OrderedDict()
@ -419,7 +419,7 @@ class QAPISchemaObjectType(QAPISchemaType):
def c_name(self):
assert self.name != 'q_empty'
return QAPISchemaType.c_name(self)
return super().c_name()
def c_type(self):
assert not self.is_implicit()
@ -432,7 +432,7 @@ class QAPISchemaObjectType(QAPISchemaType):
return 'object'
def visit(self, visitor):
QAPISchemaType.visit(self, visitor)
super().visit(visitor)
visitor.visit_object_type(self.name, self.info, self.ifcond,
self.base, self.local_members, self.variants,
self.features)
@ -441,7 +441,7 @@ class QAPISchemaObjectType(QAPISchemaType):
self.features)
class QAPISchemaMember(object):
class QAPISchemaMember:
""" Represents object members, enum members and features """
role = 'member'
@ -506,7 +506,7 @@ class QAPISchemaFeature(QAPISchemaMember):
class QAPISchemaObjectTypeMember(QAPISchemaMember):
def __init__(self, name, info, typ, optional, ifcond=None):
QAPISchemaMember.__init__(self, name, info, ifcond)
super().__init__(name, info, ifcond)
assert isinstance(typ, str)
assert isinstance(optional, bool)
self._type_name = typ
@ -519,7 +519,7 @@ class QAPISchemaObjectTypeMember(QAPISchemaMember):
self.describe)
class QAPISchemaObjectTypeVariants(object):
class QAPISchemaObjectTypeVariants:
def __init__(self, tag_name, info, tag_member, variants):
# Flat unions pass tag_name but not tag_member.
# Simple unions and alternates pass tag_member but not tag_name.
@ -576,7 +576,7 @@ class QAPISchemaObjectTypeVariants(object):
assert self.tag_member.ifcond == []
if self._tag_name: # flat union
# branches that are not explicitly covered get an empty type
cases = set([v.name for v in self.variants])
cases = {v.name for v in self.variants}
for m in self.tag_member.type.members:
if m.name not in cases:
v = QAPISchemaObjectTypeVariant(m.name, self.info,
@ -614,15 +614,14 @@ class QAPISchemaObjectTypeVariant(QAPISchemaObjectTypeMember):
role = 'branch'
def __init__(self, name, info, typ, ifcond=None):
QAPISchemaObjectTypeMember.__init__(self, name, info, typ,
False, ifcond)
super().__init__(name, info, typ, False, ifcond)
class QAPISchemaAlternateType(QAPISchemaType):
meta = 'alternate'
def __init__(self, name, info, doc, ifcond, variants):
QAPISchemaType.__init__(self, name, info, doc, ifcond)
super().__init__(name, info, doc, ifcond)
assert isinstance(variants, QAPISchemaObjectTypeVariants)
assert variants.tag_member
variants.set_defined_in(name)
@ -630,7 +629,7 @@ class QAPISchemaAlternateType(QAPISchemaType):
self.variants = variants
def check(self, schema):
QAPISchemaType.check(self, schema)
super().check(schema)
self.variants.tag_member.check(schema)
# Not calling self.variants.check_clash(), because there's nothing
# to clash with
@ -680,7 +679,7 @@ class QAPISchemaAlternateType(QAPISchemaType):
return 'value'
def visit(self, visitor):
QAPISchemaType.visit(self, visitor)
super().visit(visitor)
visitor.visit_alternate_type(self.name, self.info, self.ifcond,
self.variants)
@ -691,7 +690,7 @@ class QAPISchemaCommand(QAPISchemaEntity):
def __init__(self, name, info, doc, ifcond, arg_type, ret_type,
gen, success_response, boxed, allow_oob, allow_preconfig,
features):
QAPISchemaEntity.__init__(self, name, info, doc, ifcond, features)
super().__init__(name, info, doc, ifcond, features)
assert not arg_type or isinstance(arg_type, str)
assert not ret_type or isinstance(ret_type, str)
self._arg_type_name = arg_type
@ -705,7 +704,7 @@ class QAPISchemaCommand(QAPISchemaEntity):
self.allow_preconfig = allow_preconfig
def check(self, schema):
QAPISchemaEntity.check(self, schema)
super().check(schema)
if self._arg_type_name:
self.arg_type = schema.resolve_type(
self._arg_type_name, self.info, "command's 'data'")
@ -740,7 +739,7 @@ class QAPISchemaCommand(QAPISchemaEntity):
self.arg_type.connect_doc(doc)
def visit(self, visitor):
QAPISchemaEntity.visit(self, visitor)
super().visit(visitor)
visitor.visit_command(self.name, self.info, self.ifcond,
self.arg_type, self.ret_type,
self.gen, self.success_response,
@ -753,14 +752,14 @@ class QAPISchemaEvent(QAPISchemaEntity):
meta = 'event'
def __init__(self, name, info, doc, ifcond, arg_type, boxed):
QAPISchemaEntity.__init__(self, name, info, doc, ifcond)
super().__init__(name, info, doc, ifcond)
assert not arg_type or isinstance(arg_type, str)
self._arg_type_name = arg_type
self.arg_type = None
self.boxed = boxed
def check(self, schema):
QAPISchemaEntity.check(self, schema)
super().check(schema)
if self._arg_type_name:
self.arg_type = schema.resolve_type(
self._arg_type_name, self.info, "event's 'data'")
@ -782,12 +781,12 @@ class QAPISchemaEvent(QAPISchemaEntity):
self.arg_type.connect_doc(doc)
def visit(self, visitor):
QAPISchemaEntity.visit(self, visitor)
super().visit(visitor)
visitor.visit_event(self.name, self.info, self.ifcond,
self.arg_type, self.boxed)
class QAPISchema(object):
class QAPISchema:
def __init__(self, fname):
self.fname = fname
parser = QAPISchemaParser(fname)
@ -849,7 +848,7 @@ class QAPISchema(object):
def _make_module(self, fname):
name = self._module_name(fname)
if not name in self._module_dict:
if name not in self._module_dict:
self._module_dict[name] = QAPISchemaModule(name)
return self._module_dict[name]
@ -1098,7 +1097,6 @@ class QAPISchema(object):
def visit(self, visitor):
visitor.visit_begin(self)
module = None
for mod in self._module_dict.values():
mod.visit(visitor)
visitor.visit_end()

4
scripts/qapi/source.py
View File

@ -13,7 +13,7 @@ import copy
import sys
class QAPISchemaPragma(object):
class QAPISchemaPragma:
def __init__(self):
# Are documentation comments required?
self.doc_required = False
@ -23,7 +23,7 @@ class QAPISchemaPragma(object):
self.name_case_whitelist = []
class QAPISourceInfo(object):
class QAPISourceInfo:
def __init__(self, fname, line, parent):
self.fname = fname
self.line = line

4
scripts/qapi/types.py
View File

@ -241,8 +241,8 @@ void qapi_free_%(c_name)s(%(c_name)s *obj)
class QAPISchemaGenTypeVisitor(QAPISchemaModularCVisitor):
def __init__(self, prefix):
QAPISchemaModularCVisitor.__init__(
self, prefix, 'qapi-types', ' * Schema-defined QAPI types',
super().__init__(
prefix, 'qapi-types', ' * Schema-defined QAPI types',
' * Built-in QAPI types', __doc__)
def _begin_system_module(self, name):

4
scripts/qapi/visit.py
View File

@ -283,8 +283,8 @@ out:
class QAPISchemaGenVisitVisitor(QAPISchemaModularCVisitor):
def __init__(self, prefix):
QAPISchemaModularCVisitor.__init__(
self, prefix, 'qapi-visit', ' * Schema-defined QAPI visitors',
super().__init__(
prefix, 'qapi-visit', ' * Schema-defined QAPI visitors',
' * Built-in QAPI visitors', __doc__)
def _begin_system_module(self, name):

6
tests/qapi-schema/test-qapi.py
View File

@ -16,15 +16,11 @@ import argparse
import difflib
import os
import sys
from io import StringIO
from qapi.error import QAPIError
from qapi.schema import QAPISchema, QAPISchemaVisitor
if sys.version_info[0] < 3:
from cStringIO import StringIO
else:
from io import StringIO
class QAPISchemaTestVisitor(QAPISchemaVisitor):