# Path: uqbar/io/Timer.py
# class Timer:
#     """
#     A context manager for timing blocks of code.
# 
#     This context manager is not reentrant. Use a separate instance when nesting
#     multiple timers.
# 
#     :param exit_message: message to print on entering the context
#     :param enter_message: message to print on exiting the context
#     :param verbose: whether to print output
# 
#     ::
# 
#         >>> import math
#         >>> from uqbar.io import Timer
#         >>> timer = Timer("Elapsed time:", "Looping!")
#         >>> with timer:
#         ...     for i in range(10000):
#         ...         z = i ** math.pi
#         ...
#         Looping!
#         Elapsed time: 0.0...
# 
#     """
# 
#     def __init__(
#         self, exit_message: str = None, enter_message: str = None, verbose: bool = True
#     ) -> None:
#         if enter_message is not None:
#             enter_message = str(enter_message)
#         self._enter_message = enter_message
#         if exit_message is not None:
#             exit_message = str(exit_message)
#         self._exit_message = exit_message
#         self._start_time: typing.Optional[float] = None
#         self._stop_time: typing.Optional[float] = None
#         self._verbose = bool(verbose)
# 
#     ### SPECIAL METHODS ###
# 
#     def __enter__(self) -> "Timer":
#         if self.enter_message and self.verbose:
#             print(self.enter_message)
#         self._stop_time = None
#         self._start_time = time.time()
#         return self
# 
#     def __exit__(self, exc_type, exc_value, traceback) -> None:
#         self._stop_time = time.time()
#         if self.exit_message and self.verbose:
#             print(self.exit_message, self.elapsed_time)
# 
#     ### PUBLIC PROPERTIES ###
# 
#     @property
#     def elapsed_time(self) -> typing.Union[float, None]:
#         if self.start_time is not None:
#             if self.stop_time is not None:
#                 return self.stop_time - self.start_time
#             return time.time() - self.start_time
#         return None
# 
#     @property
#     def enter_message(self) -> typing.Union[str, None]:
#         return self._enter_message
# 
#     @property
#     def exit_message(self) -> typing.Union[str, None]:
#         return self._exit_message
# 
#     @property
#     def start_time(self) -> typing.Union[float, None]:
#         return self._start_time
# 
#     @property
#     def stop_time(self) -> typing.Union[float, None]:
#         return self._stop_time
# 
#     @property
#     def verbose(self) -> bool:
#         return self._verbose


import datetime
import hashlib
import pathlib
import re
import subprocess
import sys
import tempfile
from typing import Generator, Sequence, Tuple
from uqbar.io import Timer
        parts = [
            layout,
            "-v",
            "-T",
            format_,
            "-o",
            str(input_path.with_suffix("." + format_)),
            str(input_path),
        ]
        return " ".join(parts)

    def get_render_directory(self):
        return pathlib.Path(tempfile.mkdtemp())

    def get_render_prefix(self, string) -> str:
        timestamp = re.sub(r"[^\w]", "-", datetime.datetime.now().isoformat())
        checksum = hashlib.sha1(string.encode()).hexdigest()[:7]
        return f"{timestamp}-{checksum}"

    def get_string(self) -> str:
        try:
            graphviz_graph = self.graphable.__graph__()
            return format(graphviz_graph, "graphviz")
        except AttributeError:
            return self.graphable.__format_graphviz__()

    def migrate_assets(
        self, render_prefix, render_directory, output_directory
    ) -> Sequence[pathlib.Path]:
        migrated_assets = []

# Path: uqbar/io/Timer.py
# class Timer:
#     """
#     A context manager for timing blocks of code.
# 
#     This context manager is not reentrant. Use a separate instance when nesting
#     multiple timers.
# 
#     :param exit_message: message to print on entering the context
#     :param enter_message: message to print on exiting the context
#     :param verbose: whether to print output
# 
#     ::
# 
#         >>> import math
#         >>> from uqbar.io import Timer
#         >>> timer = Timer("Elapsed time:", "Looping!")
#         >>> with timer:
#         ...     for i in range(10000):
#         ...         z = i ** math.pi
#         ...
#         Looping!
#         Elapsed time: 0.0...
# 
#     """
# 
#     def __init__(
#         self, exit_message: str = None, enter_message: str = None, verbose: bool = True
#     ) -> None:
#         if enter_message is not None:
#             enter_message = str(enter_message)
#         self._enter_message = enter_message
#         if exit_message is not None:
#             exit_message = str(exit_message)
#         self._exit_message = exit_message
#         self._start_time: typing.Optional[float] = None
#         self._stop_time: typing.Optional[float] = None
#         self._verbose = bool(verbose)
# 
#     ### SPECIAL METHODS ###
# 
#     def __enter__(self) -> "Timer":
#         if self.enter_message and self.verbose:
#             print(self.enter_message)
#         self._stop_time = None
#         self._start_time = time.time()
#         return self
# 
#     def __exit__(self, exc_type, exc_value, traceback) -> None:
#         self._stop_time = time.time()
#         if self.exit_message and self.verbose:
#             print(self.exit_message, self.elapsed_time)
# 
#     ### PUBLIC PROPERTIES ###
# 
#     @property
#     def elapsed_time(self) -> typing.Union[float, None]:
#         if self.start_time is not None:
#             if self.stop_time is not None:
#                 return self.stop_time - self.start_time
#             return time.time() - self.start_time
#         return None
# 
#     @property
#     def enter_message(self) -> typing.Union[str, None]:
#         return self._enter_message
# 
#     @property
#     def exit_message(self) -> typing.Union[str, None]:
#         return self._exit_message
# 
#     @property
#     def start_time(self) -> typing.Union[float, None]:
#         return self._start_time
# 
#     @property
#     def stop_time(self) -> typing.Union[float, None]:
#         return self._stop_time
# 
#     @property
#     def verbose(self) -> bool:
#         return self._verbose


# Path: uqbar/graphs/Grapher.py
import datetime
import hashlib
import pathlib
import re
import subprocess
import sys
import tempfile
from typing import Generator, Sequence, Tuple
from uqbar.io import Timer

        parts = [
            layout,
            "-v",
            "-T",
            format_,
            "-o",
            str(input_path.with_suffix("." + format_)),
            str(input_path),
        ]
        return " ".join(parts)

    def get_render_directory(self):
        return pathlib.Path(tempfile.mkdtemp())

    def get_render_prefix(self, string) -> str:
        timestamp = re.sub(r"[^\w]", "-", datetime.datetime.now().isoformat())
        checksum = hashlib.sha1(string.encode()).hexdigest()[:7]
        return f"{timestamp}-{checksum}"

    def get_string(self) -> str:
        try:
            graphviz_graph = self.graphable.__graph__()
            return format(graphviz_graph, "graphviz")
        except AttributeError:
            return self.graphable.__format_graphviz__()

    def migrate_assets(
        self, render_prefix, render_directory, output_directory
    ) -> Sequence[pathlib.Path]:
        migrated_assets = []

        for old_path in render_directory.iterdir():