Environment schema

Environment

CompilationConfig

Bases: BaseModel

Parameters:

Name	Type	Description	Default
commands	List[str] | None	Commands to compile the program.	[]
sandbox	EnvironmentSandbox | None	Sandbox configuration to use when compiling for this language.	None

Source code in rbx/box/environment.py

class CompilationConfig(BaseModel):
    commands: Optional[List[str]] = Field(
        default=[],
        description="""Commands to compile the program.""",
    )

    sandbox: Optional[EnvironmentSandbox] = Field(
        default=None,
        description="""Sandbox configuration to use when compiling for this language.""",
    )

Environment

Bases: BaseModel

Parameters:

Name	Type	Description	Default
defaultFileMapping	FileMapping | None	Default mapping for files within the sandbox. Fields in the mapping can be individually overridden in the language configuration.	None
defaultCompilation	CompilationConfig | None	Default compilation configuration to use when compiling programs. Fields in the compilation config can be individually overridden in the language configuration.	None
defaultExecution	ExecutionConfig | None	Default execution configuration to use when running programs. Fields in the execution config can be individually overridden in the language configuration.	None
languages	List[EnvironmentLanguage]	Configuration for each language supported in this environment.	[]
sandbox	str	Identifier of the sandbox used by this environment (e.g. "stupid")	'stupid'
timing	TimingConfig	Timing configuration for the environment.	<dynamic>
extensions	Extensions | None	Extensions to be added to the environment.	None

Source code in rbx/box/environment.py

class Environment(BaseModel):
    model_config = ConfigDict(extra='forbid')

    defaultFileMapping: Optional[FileMapping] = Field(
        default=None,
        description="""Default mapping for files within the sandbox. Fields in the mapping can be
individually overridden in the language configuration.""",
    )

    defaultCompilation: Optional[CompilationConfig] = Field(
        default=None,
        description="""Default compilation configuration to use when compiling programs. Fields in
the compilation config can be individually overridden in the language configuration.""",
    )

    defaultExecution: Optional[ExecutionConfig] = Field(
        default=None,
        description="""Default execution configuration to use when running programs. Fields in the
execution config can be individually overridden in the language configuration.""",
    )

    languages: List[EnvironmentLanguage] = Field(
        default=[],
        description="""Configuration for each language supported in this environment.""",
    )

    sandbox: str = Field(
        default='stupid',
        description="""Identifier of the sandbox used by this environment (e.g. "stupid")""",
    )

    timing: TimingConfig = Field(
        default_factory=TimingConfig,
        description="""Timing configuration for the environment.""",
    )

    extensions: Optional[Extensions] = Field(
        default=None,
        description="""Extensions to be added to the environment.""",
    )

EnvironmentLanguage

Bases: BaseModel

Parameters:

Name	Type	Description	Default
name	str	Identifier of this language within this environment.	required
readableName	str | None	Readable name for this language.	None
extension	str	File extension supported by this language. If there's only one language that supports a certain file extension in the environment, the tool will automatically identify the language based on such extension.	required
compilation	CompilationConfig | None	Compilation config to use when compiling programs for this language.	None
execution	ExecutionConfig	Execution config to use when running programs for this language.	required
fileMapping	FileMapping | None	Mapping for files within the sandbox. If not specified, the default mapping for the environment will be used.	None
extensions	LanguageExtensions | None	Extensions to apply for this language.	None

Source code in rbx/box/environment.py

class EnvironmentLanguage(BaseModel):
    model_config = ConfigDict(extra='forbid')

    name: str = Field(
        description="""Identifier of this language within this environment."""
    )

    readableName: Optional[str] = Field(
        default=None,
        description="""Readable name for this language.""",
    )

    extension: str = Field(
        description="""File extension supported by this language. If there's only one language
that supports a certain file extension in the environment, the tool
will automatically identify the language based on such extension."""
    )

    compilation: Optional[CompilationConfig] = Field(
        default=None,
        description="""Compilation config to use when compiling programs for this language.""",
    )

    execution: ExecutionConfig = Field(
        description="""Execution config to use when running programs for this language."""
    )

    fileMapping: Optional[FileMapping] = Field(
        default=None,
        description="""Mapping for files within the sandbox. If not specified, the default mapping
for the environment will be used.""",
    )

    extensions: Optional[LanguageExtensions] = Field(
        default=None,
        description="""Extensions to apply for this language.""",
    )

    def get_extension(self, name: str, _: Type[T]) -> Optional[T]:
        if self.extensions is None:
            return None
        if not hasattr(self.extensions, name):
            return None
        return getattr(self.extensions, name)

    def get_extension_or_default(self, name: str, cls: Type[T]) -> T:
        return self.get_extension(name, cls) or cls()

EnvironmentSandbox

Bases: BaseModel

Parameters:

Name	Type	Description	Default
maxProcesses	int | None	Max. number of process to allow to run concurrently for the program.	1
timeLimit	int | None	Time limit in milliseconds to allow the program to run.	None
wallTimeLimit	int | None	Wall time limit in milliseconds to allow the program to run.	None
memoryLimit	int | None	Memory limit in MiB.	None
fileSizeLimit	int | None	File size limit in KiB	None
stackLimit	int | None	Stack limit in MiB.	None
preserveEnv	bool | None	Whether to preserve env. variables coming from the host.	False
mirrorDirs	List[str] | None	Directories in the host that should be read-only exposed to the sandbox.	[]

Source code in rbx/box/environment.py

class EnvironmentSandbox(BaseModel):
    model_config = ConfigDict(extra='forbid')

    maxProcesses: Optional[int] = Field(
        default=1,
        description="""Max. number of process to allow to run concurrently for the program.""",
    )

    timeLimit: Optional[int] = Field(
        default=None,
        description="""Time limit in milliseconds to allow the program to run.""",
    )

    wallTimeLimit: Optional[int] = Field(
        default=None,
        description="""Wall time limit in milliseconds to allow the program to run.""",
    )

    memoryLimit: Optional[int] = Field(
        default=None,
        description="""Memory limit in MiB.""",
    )

    fileSizeLimit: Optional[int] = Field(
        default=None,
        description="""File size limit in KiB""",
    )

    stackLimit: Optional[int] = Field(
        default=None,
        description="""Stack limit in MiB.""",
    )

    preserveEnv: Optional[bool] = Field(
        default=False,
        description="""Whether to preserve env. variables coming from the host.""",
    )

    mirrorDirs: Optional[List[str]] = Field(
        default=[],
        description="""Directories in the host that should be read-only exposed to the sandbox.""",
    )

ExecutionConfig

Bases: BaseModel

Parameters:

Name	Type	Description	Default
command	str | None	Command to run the program.	None
sandbox	EnvironmentSandbox | None	Sandbox configuration to use when executing for this language.	None
problemLimits	Limits	Original limits of the problem.	<dynamic>

Source code in rbx/box/environment.py

class ExecutionConfig(BaseModel):
    model_config = ConfigDict(extra='forbid')

    command: Optional[str] = Field(
        default=None,
        description="""Command to run the program.""",
    )

    sandbox: Optional[EnvironmentSandbox] = Field(
        default=None,
        description="""Sandbox configuration to use when executing for this language.""",
    )

    problemLimits: Limits = Field(
        default_factory=Limits,
        description="""Original limits of the problem.""",
    )

FileMapping

Bases: BaseModel

Parameters:

Name	Type	Description	Default
input	str	Path where to copy the stdin file to before running the program, relative to the sandbox root.	'stdin'
output	str	Path where to output the stdout file after running the program, relative to the sandbox root.	'stdout'
error	str	Path where to output the stderr file after running the program, relative to the sandbox root.	'stderr'
capture	str	Path where to output the capture file after running the program, relative to the sandbox root.	'capture'
compilable	str	Path where to copy the compilable file to before compiling the program, relative to the sandbox root.	'compilable'
executable	str	Path to where to output the executable file after compiling the program, relative to the sandbox root.	'executable'

Source code in rbx/box/environment.py

class FileMapping(BaseModel):
    model_config = ConfigDict(extra='forbid')

    input: str = Field(
        default='stdin',
        description="""Path where to copy the stdin file to before running the program,
relative to the sandbox root.""",
    )

    output: str = Field(
        default='stdout',
        description="""Path where to output the stdout file after running the program,
relative to the sandbox root.""",
    )

    error: str = Field(
        default='stderr',
        description="""Path where to output the stderr file after running the program,
relative to the sandbox root.""",
    )

    capture: str = Field(
        default='capture',
        description="""Path where to output the capture file after running the program,
relative to the sandbox root.""",
    )

    compilable: str = Field(
        default='compilable',
        description="""Path where to copy the compilable file to before compiling the program,
relative to the sandbox root.""",
    )

    executable: str = Field(
        default='executable',
        description="""Path to where to output the executable file after compiling the program,
relative to the sandbox root.""",
    )

TimingConfig

Bases: BaseModel

Parameters:

Name	Type	Description	Default
formula	str	Formula to use to calculate the time limit for the environment.	'step_up(max(fastest * 3, slowest * 1.5), 100)'

Source code in rbx/box/environment.py

class TimingConfig(BaseModel):
    model_config = ConfigDict(extra='forbid')

    formula: str = Field(
        default='step_up(max(fastest * 3, slowest * 1.5), 100)',
        description="""Formula to use to calculate the time limit for the environment.""",
    )

Extensions

Extensions

Bases: BaseModel

Parameters:

Name	Type	Description	Default
boca	BocaExtension | None	Environment-level extensions for BOCA packaging.	None

Source code in rbx/box/extensions.py

class Extensions(BaseModel):
    boca: Optional[BocaExtension] = Field(
        default=None, description='Environment-level extensions for BOCA packaging.'
    )

LanguageExtensions

Bases: BaseModel

Parameters:

Name	Type	Description	Default
boca	BocaLanguageExtension | None	Language-level extensions for BOCA packaging.	None

Source code in rbx/box/extensions.py

class LanguageExtensions(BaseModel):
    boca: Optional[BocaLanguageExtension] = Field(
        default=None, description='Language-level extensions for BOCA packaging.'
    )

BOCA

BocaExtension

Bases: BaseModel

Parameters:

Name	Type	Description	Default
languages	List[Literal[str, str, str, str, str, str, str]]		['c', 'cpp', 'cc', 'kt', 'java', 'py2', 'py3']
flags	Dict[Literal[str, str, str, str, str, str, str], str]		{}
maximumTimeError	float		0.2
preferContestLetter	bool		False

Source code in rbx/box/packaging/boca/extension.py

class BocaExtension(BaseModel):
    languages: typing.List[BocaLanguage] = list(typing.get_args(BocaLanguage))
    flags: typing.Dict[BocaLanguage, str] = {}
    maximumTimeError: float = _MAX_REP_ERROR
    preferContestLetter: bool = False

    def flags_with_defaults(self) -> typing.Dict[BocaLanguage, str]:
        res: typing.Dict[BocaLanguage, str] = {
            'c': '-std=gnu11 -O2 -lm -static',
            'cpp': '-O2 -lm -static',
            'cc': '-std=c++20 -O2 -lm -static',
        }
        res.update(self.flags)
        return res

BocaLanguageExtension

Bases: BaseModel

Parameters:

Name	Type	Description	Default
bocaLanguage	str | None		None

Source code in rbx/box/packaging/boca/extension.py

class BocaLanguageExtension(BaseModel):
    # BocaLanguage this rbx language matches with.
    bocaLanguage: typing.Optional[str] = None