# Path: ronin/utils/strings.py
# def stringify(value):
#     """
#     Casts the value to a Unicode string. If the value is a function, calls it using
#     :func:`ronin.contexts.current_context` as its only argument, and recurses until a
#     non-FunctionType value is returned.
#     
#     None values are preserved, whether None is directly sent to this function or is the return
#     value of function argument.
#     
#     This function is the heart of Rōnin's deferred value capability, as it allows lambdas to be
#     passed around instead of strings.
#     
#     :param value: value or None
#     :type value: str|FunctionType
#     :returns: stringified value or None
#     :rtype: str
#     """
#     
#     if value is None:
#         return None
#     elif hasattr(value, '__call__'):
#         with current_context() as ctx:
#             value = value(ctx)
#         return stringify(value)
#     else:
#         try:
#             return to_str(value)
#         except UnicodeDecodeError:
#             return str(value).decode(_ENCODING)
# 
# Path: ronin/contexts.py
# def current_context(immutable=True):
#     """
#     Returns the current context if there is one, otherwise raises :class:`NoContextException`.
#     
#     By default, the context will be treated as immutable.
#     
#     :param immutable: set to False in order to allow changes to the context
#     :type immutable: bool
#     :returns: current context
#     :rtype: :class:`Context`
#     """
# 
#     ctx = Context._peek_thread_local()
#     if ctx is None:
#         raise NoContextException()
#     return Context(ctx, True) if immutable else ctx


from .strings import stringify
from ..contexts import current_context
from subprocess import check_output, CalledProcessError
import sys, platform
def configure_platform(prefixes=None, which_command=None):
    """
    Configures the current context's platform support.
    
    :param prefixes: overrides for the default platform prefixes; unspecified keys will remain
     unchanged from their defaults
    :type prefixes: {str: str|FunctionType}
    :param which_command: absolute path to :func:`which` command; defaults to "/usr/bin/which"
    :type which_command: str|FunctionType
    """
    
    with current_context(False) as ctx:
        ctx.platform.prefixes = DEFAULT_PLATFORM_PREFIXES.copy()
        if platform_prefixes:
            ctx.platform.prefixes.update(prefixes)
        ctx.platform.which_command = which_command or DEFAULT_WHICH_COMMAND


def platform_command(command, platform):
    """
    The command prefixed for the platform, from :func:`platform_prefixes`.
    
    :param command: command
    :type command: str|FunctionType
    :param platform: platform
    :type platform: str|FunctionType
    :returns: prefixed command
    :rtype: str
    """


# Path: ronin/utils/strings.py
# def stringify(value):
#     """
#     Casts the value to a Unicode string. If the value is a function, calls it using
#     :func:`ronin.contexts.current_context` as its only argument, and recurses until a
#     non-FunctionType value is returned.
#     
#     None values are preserved, whether None is directly sent to this function or is the return
#     value of function argument.
#     
#     This function is the heart of Rōnin's deferred value capability, as it allows lambdas to be
#     passed around instead of strings.
#     
#     :param value: value or None
#     :type value: str|FunctionType
#     :returns: stringified value or None
#     :rtype: str
#     """
#     
#     if value is None:
#         return None
#     elif hasattr(value, '__call__'):
#         with current_context() as ctx:
#             value = value(ctx)
#         return stringify(value)
#     else:
#         try:
#             return to_str(value)
#         except UnicodeDecodeError:
#             return str(value).decode(_ENCODING)
# 
# Path: ronin/contexts.py
# def current_context(immutable=True):
#     """
#     Returns the current context if there is one, otherwise raises :class:`NoContextException`.
#     
#     By default, the context will be treated as immutable.
#     
#     :param immutable: set to False in order to allow changes to the context
#     :type immutable: bool
#     :returns: current context
#     :rtype: :class:`Context`
#     """
# 
#     ctx = Context._peek_thread_local()
#     if ctx is None:
#         raise NoContextException()
#     return Context(ctx, True) if immutable else ctx


# Path: ronin/utils/platform.py
from .strings import stringify
from ..contexts import current_context
from subprocess import check_output, CalledProcessError
import sys, platform

def configure_platform(prefixes=None, which_command=None):
    """
    Configures the current context's platform support.
    
    :param prefixes: overrides for the default platform prefixes; unspecified keys will remain
     unchanged from their defaults
    :type prefixes: {str: str|FunctionType}
    :param which_command: absolute path to :func:`which` command; defaults to "/usr/bin/which"
    :type which_command: str|FunctionType
    """
    
    with current_context(False) as ctx:
        ctx.platform.prefixes = DEFAULT_PLATFORM_PREFIXES.copy()
        if platform_prefixes:
            ctx.platform.prefixes.update(prefixes)
        ctx.platform.which_command = which_command or DEFAULT_WHICH_COMMAND


def platform_command(command, platform):
    """
    The command prefixed for the platform, from :func:`platform_prefixes`.
    
    :param command: command
    :type command: str|FunctionType
    :param platform: platform
    :type platform: str|FunctionType
    :returns: prefixed command
    :rtype: str
    """


    command = stringify(command)