parent
22cf9256f8
commit
84a63253a7
100
pyproject.toml
100
pyproject.toml
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@ -10,7 +10,7 @@ keywords = ['bootconfig', 'xbc', 'configuration']
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dependencies = ['pyparsing']
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dependencies = ['pyparsing']
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requires-python = '>=3.7'
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requires-python = '>=3.7'
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classifiers = [
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classifiers = [
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'Development Status :: 3 - Alpha',
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'Development Status :: 4 - Beta',
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'Intended Audience :: Developers',
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'Intended Audience :: Developers',
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'License :: OSI Approved :: MIT License',
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'License :: OSI Approved :: MIT License',
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'Operating System :: OS Independent',
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'Operating System :: OS Independent',
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@ -43,3 +43,101 @@ addopts = [
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"--import-mode=importlib",
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"--import-mode=importlib",
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]
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]
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pythonpath = 'src'
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pythonpath = 'src'
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[tool.pylint.main]
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fail-under = 10
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ignore-patterns = ["^\\.#"]
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jobs = 0
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limit-inference-results = 100
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persistent = true
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py-version = "3.7"
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source-roots = 'src'
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suggestion-mode = true
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[tool.pylint.basic]
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argument-naming-style = "snake_case"
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attr-naming-style = "snake_case"
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bad-names = ["foo", "bar", "baz", "toto", "tutu", "tata"]
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class-attribute-naming-style = "any"
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class-const-naming-style = "UPPER_CASE"
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class-naming-style = "PascalCase"
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# XBCParser
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const-naming-style = "PascalCase"
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docstring-min-length = -1
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function-naming-style = "snake_case"
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good-names = ["i", "j", "k", "ex", "Run", "_"]
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inlinevar-naming-style = "any"
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method-naming-style = "snake_case"
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module-naming-style = "snake_case"
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no-docstring-rgx = "^_"
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property-classes = ["abc.abstractproperty"]
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variable-naming-style = "snake_case"
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[tool.pylint.classes]
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defining-attr-methods = ["__init__", "__new__", "setUp", "asyncSetUp", "__post_init__"]
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exclude-protected = ["_asdict", "_fields", "_replace", "_source", "_make", "os._exit"]
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valid-classmethod-first-arg = ["cls"]
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valid-metaclass-classmethod-first-arg = ["mcs"]
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[tool.pylint.design]
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exclude-too-few-public-methods = 'XBCNode'
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max-args = 5
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max-attributes = 7
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max-bool-expr = 5
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max-branches = 12
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max-locals = 15
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max-parents = 7
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max-public-methods = 20
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max-returns = 6
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max-statements = 50
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min-public-methods = 2
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[tool.pylint.exceptions]
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overgeneral-exceptions = ["builtins.BaseException", "builtins.Exception"]
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[tool.pylint.format]
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ignore-long-lines = "^\\s*(# )?<?https?://\\S+>?$"
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indent-after-paren = 4
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indent-string = " "
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max-line-length = 100
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max-module-lines = 1000
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[tool.pylint."messages control"]
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confidence = ["HIGH", "CONTROL_FLOW", "INFERENCE", "INFERENCE_FAILURE", "UNDEFINED"]
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disable = ["raw-checker-failed", "bad-inline-option", "locally-disabled", "file-ignored", "suppressed-message", "useless-suppression", "deprecated-pragma", "use-symbolic-message-instead", "use-implicit-booleaness-not-comparison-to-string", "use-implicit-booleaness-not-comparison-to-zero"]
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[tool.pylint.miscellaneous]
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notes = ["FIXME", "XXX", "TODO"]
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[tool.pylint.refactoring]
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max-nested-blocks = 5
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never-returning-functions = ["sys.exit", "argparse.parse_error"]
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[tool.pylint.reports]
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evaluation = "max(0, 0 if fatal else 10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10))"
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score = true
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[tool.pylint.similarities]
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ignore-comments = true
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ignore-docstrings = true
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ignore-imports = true
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ignore-signatures = true
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min-similarity-lines = 4
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[tool.pylint.typecheck]
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contextmanager-decorators = ["contextlib.contextmanager"]
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ignore-none = true
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ignore-on-opaque-inference = true
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ignored-checks-for-mixins = ["no-member", "not-async-context-manager", "not-context-manager", "attribute-defined-outside-init"]
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ignored-classes = ["optparse.Values", "thread._local", "_thread._local", "argparse.Namespace"]
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missing-member-hint = true
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missing-member-hint-distance = 1
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missing-member-max-choices = 1
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mixin-class-rgx = ".*[Mm]ixin"
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[tool.pylint.variables]
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allow-global-unused-variables = true
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callbacks = ["cb_", "_cb"]
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dummy-variables-rgx = "_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_"
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ignored-argument-names = "_.*|^ignored_|^unused_"
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redefining-builtins-modules = ["six.moves", "past.builtins", "future.builtins", "builtins", "io"]
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@ -19,6 +19,17 @@
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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'''
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This module implements support for the eXtra Boot Configuration file
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format specified by the Linux kernel. For more information, please see
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https://docs.kernel.org/admin-guide/bootconfig.html for more
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information.
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This is not a strictly-conforming implementation. In particular, this
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module does not adhere to the kernel's 32,767-byte restriction and does
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not enforce the maximum depth of 16 namespaces.
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'''
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import re
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import re
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from collections.abc import Mapping, Sequence
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from collections.abc import Mapping, Sequence
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@ -43,102 +54,125 @@ from pyparsing import (
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from .utils import normalise
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from .utils import normalise
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from .version import version as __version__
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from .version import version as __version__
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class Node:
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class XBCNode:
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def __init__(self, *args, type=None):
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# pylint: disable=too-few-public-methods
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'An XBC XBCNode.'
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def __init__(self, *args, kind=None):
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if isinstance(args[0], str):
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if isinstance(args[0], str):
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self.args = args[0]
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self.args = args[0]
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elif isinstance(args[0][0], str):
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elif isinstance(args[0][0], str):
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self.args = args[0][0]
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self.args = args[0][0]
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else:
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else:
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self.args = args[0][0][0]
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self.args = args[0][0][0]
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self.type = type
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self.type = kind
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@property
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@property
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def key(self):
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def key(self):
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'The key associated with the node.'
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return self.args[0]
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return self.args[0]
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class Key(Node):
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class XBCKey(XBCNode):
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# pylint: disable=too-few-public-methods
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'An XBC key.'
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def __init__(self, *args):
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def __init__(self, *args):
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# pylint: disable=super-init-not-called
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self.args = args[0]
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self.args = args[0]
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self.type = 'key'
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self.type = 'key'
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class KeyValue(Node):
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class XBCKeyValue(XBCNode):
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'An XBC key/value operation.'
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def __init__(self, *args):
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def __init__(self, *args):
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super().__init__(args, type='kv')
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super().__init__(args, kind='kv')
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@property
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@property
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def op(self):
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def op(self):
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'The operator being performed.'
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return self.args[1]
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return self.args[1]
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@property
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@property
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def value(self):
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def value(self):
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'The data associated with the operation.'
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return self.args[2]
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return self.args[2]
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class Block(Node):
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class XBCBlock(XBCNode):
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'An XBC block.'
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def __init__(self, *args):
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def __init__(self, *args):
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super().__init__(args, type='block')
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super().__init__(args, kind='block')
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@property
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@property
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def contents(self):
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def contents(self):
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'The contents of the block.'
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return self.args[1]
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return self.args[1]
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key_fragment = Word(alphas + nums + '_-')
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XBCParser = None
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key = DelimitedList(key_fragment, delim='.', combine=True)
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bareval = CharsNotIn('{}#=+:;,\n\'"')
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strvals = QuotedString("'", multiline=True, unquote_results=False)
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strvald = QuotedString('"', multiline=True, unquote_results=False)
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value = bareval | strvald | strvals
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assign = Literal('=')
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update = Literal(':=')
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append = Literal('+=')
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op = assign | update | append
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semi = Literal(';').suppress()
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lbrace = Literal('{').suppress()
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rbrace = Literal('}').suppress()
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terminal = Word(';\n').suppress()
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NL = Literal('\n').suppress()
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WS = Word(' \t').suppress()
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WS_NL = Word(' \t\n').suppress()
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comment = Literal('#') + restOfLine
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values = Group(value + ZeroOrMore(Literal(',').suppress() + Optional(WS_NL) + value), aslist=True)
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keyvalue = Group(key + Optional(WS) + op + Optional(WS) + values, aslist=True)
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keyvalue.set_parse_action(lambda x: KeyValue(x))
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key_stmt = key + Optional(WS) + Optional(assign).suppress() + Optional(WS)
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key_stmt.set_parse_action(lambda x: Key(x))
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block = Forward()
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statement = (keyvalue | key_stmt)
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statements = DelimitedList(statement, delim=terminal)
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segment = Group(OneOrMore(block | statements), aslist=True)
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block << Group(key + Optional(WS) + lbrace + segment + rbrace + Optional(NL))
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block.set_parse_action(lambda x: Block(x))
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data = OneOrMore(segment)
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XBCParser = data
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XBCParser.ignore(comment)
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class ParseError(Exception):
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class ParseError(Exception):
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pass
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'Exception for parsing errors.'
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def lex(data):
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def lex(data):
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tree = XBCParser.parseString(data).asList()
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# pylint: disable=too-many-locals,global-statement,unnecessary-lambda
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return tree
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'Run the lexer over the provided data.'
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global XBCParser
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if XBCParser is None:
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key_fragment = Word(alphas + nums + '_-')
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key = DelimitedList(key_fragment, delim='.', combine=True)
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bareval = CharsNotIn('{}#=+:;,\n\'"')
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strvals = QuotedString("'", multiline=True, unquote_results=False)
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strvald = QuotedString('"', multiline=True, unquote_results=False)
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value = bareval | strvald | strvals
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assign = Literal('=')
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update = Literal(':=')
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append = Literal('+=')
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op = assign | update | append
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lbrace = Literal('{').suppress()
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rbrace = Literal('}').suppress()
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terminal = Word(';\n').suppress()
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NL = Literal('\n').suppress() # pylint: disable=invalid-name
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WS = Word(' \t').suppress() # pylint: disable=invalid-name
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WS_NL = Word(' \t\n').suppress() # pylint: disable=invalid-name
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comment = Literal('#') + restOfLine
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values = Group(
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value + ZeroOrMore(
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Literal(',').suppress() +
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Optional(WS_NL) + value
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), aslist=True
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)
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keyvalue = Group(key + Optional(WS) + op + Optional(WS) + values, aslist=True)
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keyvalue.set_parse_action(lambda x: XBCKeyValue(x))
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key_stmt = key + Optional(WS) + Optional(assign).suppress() + Optional(WS)
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key_stmt.set_parse_action(lambda x: XBCKey(x))
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block = Forward()
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statement = keyvalue | key_stmt
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statements = DelimitedList(statement, delim=terminal)
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segment = Group(OneOrMore(block | statements), aslist=True)
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# pylint: disable=expression-not-assigned
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block << Group(key + Optional(WS) + lbrace + segment + rbrace + Optional(NL))
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block.set_parse_action(lambda x: XBCBlock(x))
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XBCParser = OneOrMore(segment)
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XBCParser.ignore(comment)
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# pylint: disable=too-many-function-args
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return XBCParser.parseString(data).asList()
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def unquote(val):
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def unquote(val):
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'Remove quotes and trailing whitespace from values.'
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if val[0] in '\'"' and val[0] == val[-1]:
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if val[0] in '\'"' and val[0] == val[-1]:
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return val[1:-1]
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return val[1:-1]
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return val.strip()
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return val.strip()
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def key_walk(d, key):
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def key_walk(d, key):
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'Walk the key to guard against post-block key assignments.'
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split = key.split('.')
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split = key.split('.')
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for i in range(len(split) - 1, 0, -1):
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for i in range(len(split) - 1, 0, -1):
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@ -148,6 +182,8 @@ def key_walk(d, key):
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d[x] = False
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d[x] = False
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def parse_block(key, seq):
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def parse_block(key, seq):
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# pylint: disable=too-many-branches,too-many-statements
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'Parse the AST in to a real data structure.'
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if isinstance(seq, list) and len(seq) == 1 and isinstance(seq[0], list):
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if isinstance(seq, list) and len(seq) == 1 and isinstance(seq[0], list):
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seq = seq[0]
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seq = seq[0]
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@ -159,12 +195,13 @@ def parse_block(key, seq):
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else:
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else:
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k = item.key
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k = item.key
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if isinstance(item, Key):
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if isinstance(item, XBCKey):
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if k not in ret:
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if k not in ret:
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ret[k] = True
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ret[k] = True
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key_walk(ret, k)
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else:
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else:
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raise ParseError(f'key {k} already defined')
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raise ParseError(f'key {k} already defined')
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elif isinstance(item, KeyValue):
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elif isinstance(item, XBCKeyValue):
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value = item.value
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value = item.value
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op = item.op
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op = item.op
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@ -189,8 +226,8 @@ def parse_block(key, seq):
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assign = value
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assign = value
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if isinstance(assign, list):
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if isinstance(assign, list):
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for i in range(len(assign)):
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for i, item in enumerate(assign):
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assign[i] = unquote(assign[i])
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assign[i] = unquote(item)
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else:
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else:
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assign = unquote(assign)
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assign = unquote(assign)
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@ -201,7 +238,7 @@ def parse_block(key, seq):
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if '.' in k:
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if '.' in k:
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key_walk(ret, k)
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key_walk(ret, k)
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elif isinstance(item, Block):
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elif isinstance(item, XBCBlock):
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value = item.contents
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value = item.contents
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if k not in ret:
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if k not in ret:
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||||||
|
@ -220,6 +257,7 @@ def parse_block(key, seq):
|
||||||
return ret
|
return ret
|
||||||
|
|
||||||
def parse(data):
|
def parse(data):
|
||||||
|
'Call the lexer and then the parser.'
|
||||||
tree = lex(data)
|
tree = lex(data)
|
||||||
|
|
||||||
d = parse_block(None, tree)
|
d = parse_block(None, tree)
|
||||||
|
@ -227,14 +265,17 @@ def parse(data):
|
||||||
return d
|
return d
|
||||||
|
|
||||||
def loads_xbc(data):
|
def loads_xbc(data):
|
||||||
|
'Load XBC data provided in a string.'
|
||||||
return parse(data)
|
return parse(data)
|
||||||
|
|
||||||
def load_xbc(fp):
|
def load_xbc(fp):
|
||||||
with open(fp, mode='r') as f:
|
'Open a file and parse its contents.'
|
||||||
|
with open(fp, mode='r', encoding='UTF-8') as f:
|
||||||
return loads_xbc(f.read())
|
return loads_xbc(f.read())
|
||||||
|
|
||||||
def longest_key(L):
|
def longest_key(seq):
|
||||||
lens = [len(x) for x in L]
|
'Find the deepest-nested key in the sequence provided.'
|
||||||
|
lens = [len(x) for x in seq]
|
||||||
shortest = min(lens)
|
shortest = min(lens)
|
||||||
|
|
||||||
if shortest < 1:
|
if shortest < 1:
|
||||||
|
@ -245,7 +286,7 @@ def longest_key(L):
|
||||||
for i in range(shortest):
|
for i in range(shortest):
|
||||||
count = {}
|
count = {}
|
||||||
|
|
||||||
for item in L:
|
for item in seq:
|
||||||
j = item[i]
|
j = item[i]
|
||||||
|
|
||||||
if j not in count:
|
if j not in count:
|
||||||
|
@ -253,40 +294,42 @@ def longest_key(L):
|
||||||
|
|
||||||
count[j] += 1
|
count[j] += 1
|
||||||
if len(count.keys()) == 1:
|
if len(count.keys()) == 1:
|
||||||
ret.append(L[0][i])
|
ret.append(seq[0][i])
|
||||||
else:
|
else:
|
||||||
return '.'.join(ret)
|
return '.'.join(ret)
|
||||||
return None
|
return None
|
||||||
|
|
||||||
def longest_keys(keys):
|
def longest_keys(keys):
|
||||||
|
'Find the longest keys in the sequence provided.'
|
||||||
keys = [k.split('.') for k in keys]
|
keys = [k.split('.') for k in keys]
|
||||||
ret = set()
|
ret = set()
|
||||||
|
|
||||||
for i in range(len(keys)):
|
for a in keys:
|
||||||
for j in range(1, len(keys)):
|
for b in keys[1:]:
|
||||||
longest = longest_key([keys[i], keys[j]])
|
longest = longest_key([a, b])
|
||||||
if longest is not None:
|
if longest is not None:
|
||||||
ret.add(longest)
|
ret.add(longest)
|
||||||
ret.discard('')
|
ret.discard('')
|
||||||
return ret
|
return ret
|
||||||
|
|
||||||
def make_block(data):
|
def make_block(data):
|
||||||
|
# pylint: disable=too-many-locals,too-many-branches
|
||||||
|
'Create XBC blocks.'
|
||||||
ret = []
|
ret = []
|
||||||
|
|
||||||
leafs = []
|
leafs = []
|
||||||
blocks = set()
|
blocks = set()
|
||||||
block_keys = []
|
|
||||||
|
|
||||||
for key in data.keys():
|
for key in data.keys():
|
||||||
if '.' not in key:
|
if '.' not in key:
|
||||||
leafs.append(key)
|
leafs.append(key)
|
||||||
else:
|
else:
|
||||||
k, rest = key.split('.', maxsplit=1)
|
k, _ = key.split('.', maxsplit=1)
|
||||||
blocks.add(k)
|
blocks.add(k)
|
||||||
|
|
||||||
keys = [k for k in data.keys() if '.' in k]
|
keys = [k for k in data.keys() if '.' in k]
|
||||||
temp = longest_keys(keys)
|
temp = longest_keys(keys)
|
||||||
if len(temp):
|
if temp:
|
||||||
mindots = 99
|
mindots = 99
|
||||||
for i in temp:
|
for i in temp:
|
||||||
if 0 < i.count('.') < mindots:
|
if 0 < i.count('.') < mindots:
|
||||||
|
@ -321,11 +364,13 @@ def make_block(data):
|
||||||
return ret
|
return ret
|
||||||
|
|
||||||
def saves_xbc(data):
|
def saves_xbc(data):
|
||||||
|
'Export the provided dictionary to an XBC-formatted string.'
|
||||||
ret = make_block(data)
|
ret = make_block(data)
|
||||||
return '\n'.join(ret)
|
return '\n'.join(ret)
|
||||||
|
|
||||||
def save_xbc(data, filename):
|
def save_xbc(data, filename):
|
||||||
with open(filename, mode='w') as f:
|
'Export the provided dictionary to an XBC-formatted string and save it.'
|
||||||
|
with open(filename, mode='w', encoding='UTF-8') as f:
|
||||||
f.write(saves_xbc(data))
|
f.write(saves_xbc(data))
|
||||||
|
|
||||||
__all__ = ['loads_xbc', 'load_xbc', 'saves_xbc', 'save_xbc', 'ParseError']
|
__all__ = ['loads_xbc', 'load_xbc', 'saves_xbc', 'save_xbc', 'ParseError']
|
||||||
|
|
|
@ -19,29 +19,37 @@
|
||||||
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||||
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||||
|
|
||||||
|
'''
|
||||||
|
Utility functions for saving data in XBC format.
|
||||||
|
'''
|
||||||
|
|
||||||
import re
|
import re
|
||||||
|
|
||||||
from collections.abc import Sequence, Mapping
|
from collections.abc import Sequence, Mapping
|
||||||
|
|
||||||
KEY_RE = re.compile(r'^[a-zA-Z0-9_-]+(?:\.(?:[a-zA-Z0-9_-]+))*$')
|
KEY_RE = re.compile(r'^[a-zA-Z0-9_-]+(?:\.(?:[a-zA-Z0-9_-]+))*$')
|
||||||
NVAL_RE = re.compile(r'^[^{}=+:;,\n\'"]+$')
|
NVAL_RE = re.compile(r'^[^{}=+:;,\n\'"]+$')
|
||||||
quotes = '\'"'
|
QUOTES = '\'"'
|
||||||
other = {'"': "'", "'": '"'}
|
QUOTEMAP = {'"': "'", "'": '"'}
|
||||||
escapes = {
|
ESCAPES = {
|
||||||
'backslash': {'"': '\\x22', "'": '\\x27'},
|
'backslash': {'"': '\\x22', "'": '\\x27'},
|
||||||
'html': {'"': '"', "'": '''},
|
'html': {'"': '"', "'": '''},
|
||||||
'url': {'"': '%22', "'": '%27'}
|
'url': {'"': '%22', "'": '%27'}
|
||||||
}
|
}
|
||||||
|
|
||||||
def quote(data, escape='backslash'):
|
def quote(data, escape='backslash'):
|
||||||
|
'Quote data according to XBC rules.'
|
||||||
|
# don't waste our time if it's a valid bare value.
|
||||||
|
if NVAL_RE.match(data) is not None:
|
||||||
|
return data
|
||||||
esc = None
|
esc = None
|
||||||
|
|
||||||
# how shall we escape embedded quotes?
|
# how shall we escape embedded quotes?
|
||||||
if isinstance(esc, Mapping):
|
if isinstance(esc, Mapping):
|
||||||
if '"' in escape and "'" in escape:
|
if '"' in escape and "'" in escape:
|
||||||
esc = escape
|
esc = escape
|
||||||
elif escape in escapes:
|
else:
|
||||||
esc = escapes[escape]
|
esc = ESCAPES.get(escape, None)
|
||||||
|
|
||||||
if esc is None:
|
if esc is None:
|
||||||
raise ValueError('unrecognised escape format')
|
raise ValueError('unrecognised escape format')
|
||||||
|
@ -49,30 +57,30 @@ def quote(data, escape='backslash'):
|
||||||
f = data[0]
|
f = data[0]
|
||||||
|
|
||||||
# is this a quoted string?
|
# is this a quoted string?
|
||||||
if f in quotes and data[-1] == f:
|
if f in QUOTES and data[-1] == f:
|
||||||
# return it if we don't need to do anything
|
# return it if we don't need to do anything
|
||||||
if f not in data[1:-1]:
|
if f not in data[1:-1]:
|
||||||
return data
|
return data
|
||||||
else:
|
|
||||||
# escape embedded quotes
|
# escape embedded quotes
|
||||||
x = data[1:-1].replace(f, esc[f])
|
x = data[1:-1].replace(f, esc[f])
|
||||||
return f'{f}{x}{f}'
|
return f'{f}{x}{f}'
|
||||||
else:
|
|
||||||
# if the other quote isn't used, wrap in it
|
# if the other quote isn't used, wrap in it
|
||||||
if f in quotes and other[f] not in data[1:]:
|
if f in QUOTES and QUOTEMAP[f] not in data[1:]:
|
||||||
q = other[f]
|
q = QUOTEMAP[f]
|
||||||
return f'{q}{data}{q}'
|
|
||||||
# not a quoted string, but has only one kind of quote
|
# not a quoted string, but has only one kind of quote
|
||||||
elif "'" in data and '"' not in data:
|
elif "'" in data and '"' not in data:
|
||||||
return f'"{data}"'
|
q = '"'
|
||||||
elif '"' in data and "'" not in data:
|
elif '"' in data and "'" not in data:
|
||||||
return f"'{data}'"
|
q = "'"
|
||||||
# not a quoted string and has both types; we escape one
|
|
||||||
else:
|
else:
|
||||||
|
# not a quoted string and has both types; we escape one
|
||||||
data = data.replace("'", esc["'"])
|
data = data.replace("'", esc["'"])
|
||||||
return f"'{data}"
|
q = "'"
|
||||||
|
return f'{q}{data}{q}'
|
||||||
|
|
||||||
def normalise_string(string):
|
def normalise_string(string):
|
||||||
|
'Normalise values according to XBC rules.'
|
||||||
if not isinstance(string, str):
|
if not isinstance(string, str):
|
||||||
string = str(string)
|
string = str(string)
|
||||||
|
|
||||||
|
@ -82,36 +90,41 @@ def normalise_string(string):
|
||||||
return string
|
return string
|
||||||
|
|
||||||
def normalise(data):
|
def normalise(data):
|
||||||
|
'''Normalise values according to XBC rules.'''
|
||||||
if isinstance(data, str) or not isinstance(data, (Sequence, Mapping)):
|
if isinstance(data, str) or not isinstance(data, (Sequence, Mapping)):
|
||||||
return normalise_string(data)
|
return normalise_string(data)
|
||||||
elif isinstance(data, Sequence):
|
|
||||||
L = []
|
if isinstance(data, Sequence):
|
||||||
|
ret = []
|
||||||
|
|
||||||
for item in data:
|
for item in data:
|
||||||
if isinstance(item, str) or not isinstance(item, (Sequence, Mapping)):
|
if isinstance(item, str) or not isinstance(item, (Sequence, Mapping)):
|
||||||
L.append(normalise_string(item))
|
ret.append(normalise_string(item))
|
||||||
# we can unwind nested sequences
|
# we can unwind nested sequences
|
||||||
elif isinstance(item, Sequence):
|
elif isinstance(item, Sequence):
|
||||||
L.extend(normalise(item))
|
ret.extend(normalise(item))
|
||||||
# ...but we can't do that with mappings, the format doesn't
|
# ...but we can't do that with mappings, the format doesn't
|
||||||
# support it.
|
# support it.
|
||||||
elif isinstance(item, Mapping):
|
elif isinstance(item, Mapping):
|
||||||
raise ValueError('nested mapping')
|
raise ValueError('nested mapping')
|
||||||
else:
|
else:
|
||||||
raise ValueError(type(value))
|
# this should be impossible to reach, but nothing truly is.
|
||||||
L = ', '.join(L)
|
raise ValueError(type(item))
|
||||||
return L
|
|
||||||
elif isinstance(data, Mapping):
|
ret = ', '.join(ret)
|
||||||
|
|
||||||
|
return ret
|
||||||
|
|
||||||
|
if isinstance(data, Mapping):
|
||||||
d = {}
|
d = {}
|
||||||
for k, v in data.items():
|
for k, v in data.items():
|
||||||
if Key.pattern.match(k) is None:
|
if KEY_RE.match(k) is None:
|
||||||
raise KeyError(k)
|
raise KeyError(k)
|
||||||
else:
|
|
||||||
k = Key(k)
|
|
||||||
|
|
||||||
v = normalise(v)
|
v = normalise(v)
|
||||||
|
|
||||||
d[k] = v
|
d[k] = v
|
||||||
|
|
||||||
return d
|
return d
|
||||||
|
|
||||||
return data
|
return data
|
||||||
|
|
|
@ -1 +1,2 @@
|
||||||
|
# pylint: disable=missing-module-docstring,invalid-name
|
||||||
version = '0.1.0'
|
version = '0.1.0'
|
|
@ -1,49 +1,67 @@
|
||||||
|
|
||||||
|
'''
|
||||||
|
Tests for base-level keys.
|
||||||
|
'''
|
||||||
|
|
||||||
import pytest
|
import pytest
|
||||||
|
|
||||||
from xbc import loads_xbc, ParseError
|
from xbc import loads_xbc, ParseError
|
||||||
|
|
||||||
|
|
||||||
def test_key():
|
def test_key():
|
||||||
|
'A key by itself exists.'
|
||||||
assert loads_xbc('a') == {'a': True}
|
assert loads_xbc('a') == {'a': True}
|
||||||
|
|
||||||
def test_dot_key():
|
def test_dot_key():
|
||||||
assert loads_xbc('a.a') == {'a.a': True}
|
'A nested key by itself exists.'
|
||||||
|
assert loads_xbc('a.a') == {'a': False, 'a.a': True}
|
||||||
|
|
||||||
def test_key_eq():
|
def test_key_eq():
|
||||||
|
'A key with an empty assignment exists.'
|
||||||
assert loads_xbc('a =') == {'a': True}
|
assert loads_xbc('a =') == {'a': True}
|
||||||
|
|
||||||
def test_keyvalue():
|
def test_keyvalue():
|
||||||
|
'A bare value can be assigned to a key.'
|
||||||
assert loads_xbc('a = 1') == {'a': '1'}
|
assert loads_xbc('a = 1') == {'a': '1'}
|
||||||
|
|
||||||
def test_keyvalue_space():
|
def test_keyvalue_space():
|
||||||
|
'A bare value can have spaces.'
|
||||||
assert loads_xbc('a = a b') == {'a': 'a b'}
|
assert loads_xbc('a = a b') == {'a': 'a b'}
|
||||||
|
|
||||||
def test_dot_keyvalue():
|
def test_dot_keyvalue():
|
||||||
|
'A key being assigned to can have dots.'
|
||||||
assert loads_xbc('a.a = 1') == {'a': False, 'a.a': '1'}
|
assert loads_xbc('a.a = 1') == {'a': False, 'a.a': '1'}
|
||||||
|
|
||||||
def test_keys():
|
def test_keys():
|
||||||
|
'Statements can be separated by semicolons.'
|
||||||
assert loads_xbc('a;b') == {'a': True, 'b': True}
|
assert loads_xbc('a;b') == {'a': True, 'b': True}
|
||||||
|
|
||||||
def test_dot_keys():
|
def test_dot_keys():
|
||||||
assert loads_xbc('a.a;a.b') == {'a.a': True, 'a.b': True}
|
'Keys in compound statements can have dots.'
|
||||||
|
assert loads_xbc('a.a;a.b') == {'a': False, 'a.a': True, 'a.b': True}
|
||||||
|
|
||||||
def test_quoted():
|
def test_quoted():
|
||||||
|
'Values can be quoted with single or double quotes.'
|
||||||
assert loads_xbc('a = "b"') == {'a': 'b'}
|
assert loads_xbc('a = "b"') == {'a': 'b'}
|
||||||
|
|
||||||
def test_quoted_space():
|
def test_quoted_space():
|
||||||
|
'Quoted values can have trailing whitespace preserved.'
|
||||||
assert loads_xbc('a = "b "') == {'a': 'b '}
|
assert loads_xbc('a = "b "') == {'a': 'b '}
|
||||||
|
|
||||||
def test_array():
|
def test_array():
|
||||||
|
'Multiple values can be assigned to a single key.'
|
||||||
assert loads_xbc('a = 1, 2') == {'a': ['1', '2']}
|
assert loads_xbc('a = 1, 2') == {'a': ['1', '2']}
|
||||||
|
|
||||||
def test_reassignment():
|
def test_reassignment():
|
||||||
|
'Keys cannot be reassigned.'
|
||||||
with pytest.raises(ParseError):
|
with pytest.raises(ParseError):
|
||||||
loads_xbc('a = 1\na = 2')
|
loads_xbc('a = 1\na = 2')
|
||||||
|
|
||||||
def test_reassignment_colon():
|
def test_reassignment_colon():
|
||||||
|
'Keys cannot be reassigned, even in compound statements.'
|
||||||
with pytest.raises(ParseError):
|
with pytest.raises(ParseError):
|
||||||
loads_xbc('a = 1;a = 2')
|
loads_xbc('a = 1;a = 2')
|
||||||
|
|
||||||
def test_ovewrite_nonexistent():
|
def test_ovewrite_nonexistent():
|
||||||
|
'Keys can only be updated if they exist.'
|
||||||
with pytest.raises(ParseError):
|
with pytest.raises(ParseError):
|
||||||
loads_xbc('a := 1')
|
loads_xbc('a := 1')
|
||||||
|
|
|
@ -1,24 +1,34 @@
|
||||||
|
|
||||||
|
'''
|
||||||
|
Test output for XBC blocks.
|
||||||
|
'''
|
||||||
|
|
||||||
import pytest
|
import pytest
|
||||||
|
|
||||||
from xbc import loads_xbc, ParseError
|
from xbc import loads_xbc, ParseError
|
||||||
|
|
||||||
def test_empty():
|
def test_empty():
|
||||||
|
'An empty block should cause the key to exist.'
|
||||||
assert loads_xbc('a {}') == {'a': True}
|
assert loads_xbc('a {}') == {'a': True}
|
||||||
|
|
||||||
def test_keyvalue():
|
def test_keyvalue():
|
||||||
|
'A block should support key/value pairs.'
|
||||||
assert loads_xbc('a { a = 1 }') == {'a': False, 'a.a': '1'}
|
assert loads_xbc('a { a = 1 }') == {'a': False, 'a.a': '1'}
|
||||||
|
|
||||||
def test_nested_block():
|
def test_nested_block():
|
||||||
|
'A block should support having block members.'
|
||||||
assert loads_xbc('a { b { c = 1 } }') == {'a.b.c': '1', 'a': False, 'a.b': False}
|
assert loads_xbc('a { b { c = 1 } }') == {'a.b.c': '1', 'a': False, 'a.b': False}
|
||||||
|
|
||||||
def test_keyvalue_and_block():
|
def test_keyvalue_and_block():
|
||||||
assert loads_xbc('a = 1\na { a = 1 }') == {'a': False, 'a': '1', 'a.a': '1'}
|
'A key/value pair can be provided for a block key prior to the block.'
|
||||||
|
assert loads_xbc('a = 1\na { a = 1 }') == {'a': '1', 'a.a': '1'}
|
||||||
|
|
||||||
def test_reassign_colon():
|
def test_reassign_colon():
|
||||||
|
'Attempting to assign to the same key should be an error inside a block too.'
|
||||||
with pytest.raises(ParseError):
|
with pytest.raises(ParseError):
|
||||||
loads_xbc('a { a = 1; a = 2 }')
|
loads_xbc('a { a = 1; a = 2 }')
|
||||||
|
|
||||||
def test_assign_after_block():
|
def test_assign_after_block():
|
||||||
|
'It is an error to assign to a block key after the block.'
|
||||||
with pytest.raises(ParseError):
|
with pytest.raises(ParseError):
|
||||||
loads_xbc('a { a = 1 }\na = 1')
|
loads_xbc('a { a = 1 }\na = 1')
|
||||||
|
|
|
@ -1,4 +1,8 @@
|
||||||
|
|
||||||
|
'''
|
||||||
|
Tests for inputs which are invalid.
|
||||||
|
'''
|
||||||
|
|
||||||
import pytest
|
import pytest
|
||||||
|
|
||||||
from pyparsing.exceptions import ParseException
|
from pyparsing.exceptions import ParseException
|
||||||
|
@ -7,36 +11,44 @@ from xbc import loads_xbc, ParseError
|
||||||
# this should fail but does not.
|
# this should fail but does not.
|
||||||
@pytest.mark.xfail
|
@pytest.mark.xfail
|
||||||
def test_whitespace_vc():
|
def test_whitespace_vc():
|
||||||
|
'Whitespace is prohibited between values and commas.'
|
||||||
with pytest.raises(ParseError):
|
with pytest.raises(ParseError):
|
||||||
loads_xbc('x = a\n, b')
|
loads_xbc('x = a\n, b')
|
||||||
|
|
||||||
# this should fail but does not.
|
# this should fail but does not.
|
||||||
@pytest.mark.xfail
|
@pytest.mark.xfail
|
||||||
def test_extra_quote():
|
def test_extra_quote():
|
||||||
|
'Strings cannot contain the quote style that bookends them.'
|
||||||
with pytest.raises(ParseException):
|
with pytest.raises(ParseException):
|
||||||
loads_xbc("x = '''")
|
loads_xbc("x = '''")
|
||||||
|
|
||||||
def test_lone_plus():
|
def test_lone_plus():
|
||||||
|
'Bare operators are not permitted.'
|
||||||
with pytest.raises(ParseException):
|
with pytest.raises(ParseException):
|
||||||
loads_xbc('+')
|
loads_xbc('+')
|
||||||
|
|
||||||
def test_lone_rbrace():
|
def test_lone_rbrace():
|
||||||
|
'Braces can only appear as part of a block.'
|
||||||
with pytest.raises(ParseException):
|
with pytest.raises(ParseException):
|
||||||
loads_xbc('}')
|
loads_xbc('}')
|
||||||
|
|
||||||
def test_lone_lbrace():
|
def test_lone_lbrace():
|
||||||
|
'Braces can only appear as part of a block.'
|
||||||
with pytest.raises(ParseException):
|
with pytest.raises(ParseException):
|
||||||
loads_xbc('{')
|
loads_xbc('{')
|
||||||
|
|
||||||
def test_lone_braces():
|
def test_lone_braces():
|
||||||
|
'Braces can only appear as part of a block.'
|
||||||
with pytest.raises(ParseException):
|
with pytest.raises(ParseException):
|
||||||
loads_xbc('{}')
|
loads_xbc('{}')
|
||||||
|
|
||||||
def test_lone_semi():
|
def test_lone_semi():
|
||||||
|
'Semicolons are only permitted as part of a key or key/value statement.'
|
||||||
with pytest.raises(ParseException):
|
with pytest.raises(ParseException):
|
||||||
loads_xbc(';')
|
loads_xbc(';')
|
||||||
|
|
||||||
def test_empty():
|
def test_empty():
|
||||||
|
'XBC files cannot be empty.'
|
||||||
with pytest.raises(ParseException):
|
with pytest.raises(ParseException):
|
||||||
loads_xbc('\n')
|
loads_xbc('\n')
|
||||||
with pytest.raises(ParseException):
|
with pytest.raises(ParseException):
|
||||||
|
|
|
@ -1,14 +1,15 @@
|
||||||
|
|
||||||
import pytest
|
|
||||||
|
|
||||||
from xbc import loads_xbc
|
|
||||||
|
|
||||||
'''
|
'''
|
||||||
The tests in this file are samples drawn from
|
The tests in this file are samples drawn from
|
||||||
https://lwn.net/Articles/806002/.
|
https://lwn.net/Articles/806002/.
|
||||||
'''
|
'''
|
||||||
|
|
||||||
|
import pytest
|
||||||
|
|
||||||
|
from xbc import loads_xbc
|
||||||
|
|
||||||
def test_01():
|
def test_01():
|
||||||
|
'Key/value example.'
|
||||||
i = '''feature.option.foo = 1
|
i = '''feature.option.foo = 1
|
||||||
feature.option.bar = 2'''
|
feature.option.bar = 2'''
|
||||||
d = {
|
d = {
|
||||||
|
@ -20,6 +21,7 @@ feature.option.bar = 2'''
|
||||||
assert loads_xbc(i) == d
|
assert loads_xbc(i) == d
|
||||||
|
|
||||||
def test_02():
|
def test_02():
|
||||||
|
'Block example.'
|
||||||
i = '''feature.option {
|
i = '''feature.option {
|
||||||
foo = 1
|
foo = 1
|
||||||
bar = 2
|
bar = 2
|
||||||
|
@ -33,6 +35,7 @@ def test_02():
|
||||||
assert loads_xbc(i) == d
|
assert loads_xbc(i) == d
|
||||||
|
|
||||||
def test_03():
|
def test_03():
|
||||||
|
'Array example.'
|
||||||
i = 'feature.options = "foo", "bar"'
|
i = 'feature.options = "foo", "bar"'
|
||||||
d = {
|
d = {
|
||||||
'feature': False,
|
'feature': False,
|
||||||
|
@ -41,6 +44,7 @@ def test_03():
|
||||||
assert loads_xbc(i) == d
|
assert loads_xbc(i) == d
|
||||||
|
|
||||||
def test_10():
|
def test_10():
|
||||||
|
'Compact example.'
|
||||||
i = 'feature.option{foo=1;bar=2}'
|
i = 'feature.option{foo=1;bar=2}'
|
||||||
d = {
|
d = {
|
||||||
'feature.option': False,
|
'feature.option': False,
|
||||||
|
@ -51,6 +55,7 @@ def test_10():
|
||||||
assert loads_xbc(i) == d
|
assert loads_xbc(i) == d
|
||||||
|
|
||||||
def test_11():
|
def test_11():
|
||||||
|
'Example of a possible configuration.'
|
||||||
i = '''ftrace.event {
|
i = '''ftrace.event {
|
||||||
task.task_newtask {
|
task.task_newtask {
|
||||||
filter = "pid < 128"
|
filter = "pid < 128"
|
||||||
|
@ -87,16 +92,21 @@ def test_11():
|
||||||
'ftrace.event.synthetic': False,
|
'ftrace.event.synthetic': False,
|
||||||
'ftrace.event.synthetic.initcall_latency': False,
|
'ftrace.event.synthetic.initcall_latency': False,
|
||||||
'ftrace.event.synthetic.initcall_latency.fields': ["unsigned long func", "u64 lat"],
|
'ftrace.event.synthetic.initcall_latency.fields': ["unsigned long func", "u64 lat"],
|
||||||
'ftrace.event.synthetic.initcall_latency.actions': "hist:keys=func.sym,lat:vals=lat:sort=lat",
|
'ftrace.event.synthetic.initcall_latency.actions':
|
||||||
|
"hist:keys=func.sym,lat:vals=lat:sort=lat",
|
||||||
'ftrace.event.initcall': False,
|
'ftrace.event.initcall': False,
|
||||||
'ftrace.event.initcall.initcall_start': False,
|
'ftrace.event.initcall.initcall_start': False,
|
||||||
'ftrace.event.initcall.initcall_start.actions': "hist:keys=func:ts0=common_timestamp.usecs",
|
'ftrace.event.initcall.initcall_start.actions':
|
||||||
|
"hist:keys=func:ts0=common_timestamp.usecs",
|
||||||
'ftrace.event.initcall.initcall_finish': False,
|
'ftrace.event.initcall.initcall_finish': False,
|
||||||
'ftrace.event.initcall.initcall_finish.actions': "hist:keys=func:lat=common_timestamp.usecs-$ts0:onmatch(initcall.initcall_start).initcall_latency(func,$lat)"
|
'ftrace.event.initcall.initcall_finish.actions':
|
||||||
|
"hist:keys=func:lat=common_timestamp.usecs-$ts0:onmatch(" +
|
||||||
|
"initcall.initcall_start).initcall_latency(func,$lat)"
|
||||||
}
|
}
|
||||||
assert loads_xbc(i) == d
|
assert loads_xbc(i) == d
|
||||||
|
|
||||||
def test_12():
|
def test_12():
|
||||||
|
'Another example of a possible configuration.'
|
||||||
i = '''ftrace.event.synthetic.initcall_latency {
|
i = '''ftrace.event.synthetic.initcall_latency {
|
||||||
fields = "unsigned long func", "u64 lat"
|
fields = "unsigned long func", "u64 lat"
|
||||||
hist {
|
hist {
|
||||||
|
@ -130,7 +140,8 @@ def test_12():
|
||||||
'ftrace.event.synthetic.initcall_latency.hist.to': False,
|
'ftrace.event.synthetic.initcall_latency.hist.to': False,
|
||||||
'ftrace.event.synthetic.initcall_latency.hist.to.event': 'initcall.initcall_finish',
|
'ftrace.event.synthetic.initcall_latency.hist.to.event': 'initcall.initcall_finish',
|
||||||
'ftrace.event.synthetic.initcall_latency.hist.to.key': 'func',
|
'ftrace.event.synthetic.initcall_latency.hist.to.key': 'func',
|
||||||
'ftrace.event.synthetic.initcall_latency.hist.to.assigns': "lat=common_timestamp.usecs-$ts0",
|
'ftrace.event.synthetic.initcall_latency.hist.to.assigns':
|
||||||
|
"lat=common_timestamp.usecs-$ts0",
|
||||||
'ftrace.event.synthetic.initcall_latency.hist.to.onmatch': ['func', '$lat'],
|
'ftrace.event.synthetic.initcall_latency.hist.to.onmatch': ['func', '$lat'],
|
||||||
'ftrace.event.synthetic.initcall_latency.hist.keys': ['func.sym', 'lat'],
|
'ftrace.event.synthetic.initcall_latency.hist.keys': ['func.sym', 'lat'],
|
||||||
'ftrace.event.synthetic.initcall_latency.hist.vals': 'lat',
|
'ftrace.event.synthetic.initcall_latency.hist.vals': 'lat',
|
||||||
|
|
Loading…
Reference in New Issue