# Path: uqbar/graphs/Grapher.py
# class Grapher:
# 
#     ### CLASS VARIABLES ###
# 
#     _valid_formats = ("png", "pdf", "svg")
#     _valid_layouts = ("circo", "dot", "fdp", "neato", "osage", "sfdp", "twopi")
# 
#     ### INITIALIZER ###
# 
#     def __init__(self, graphable, format_="pdf", layout="dot", output_directory=None):
#         if layout not in self._valid_layouts:
#             raise ValueError("Invalid layout: {layout!r}")
#         if format_ not in self._valid_formats:
#             raise ValueError("Invalid format: {format_!r}")
#         self.graphable = graphable
#         self.format_ = format_
#         self.layout = layout
#         self.output_directory = pathlib.Path(output_directory or ".")
# 
#     ### SPECIAL METHODS ###
# 
#     def __call__(self):
#         with Timer() as format_timer:
#             string = self.get_string()
#         format_time = format_timer.elapsed_time
#         layout = self.get_layout()
#         format_ = self.get_format()
#         render_prefix = self.get_render_prefix(string)
#         render_directory_path = self.get_render_directory()
#         input_path = (render_directory_path / render_prefix).with_suffix(".dot")
#         self.persist_string(string, input_path)
#         render_command = self.get_render_command(format_, input_path, layout)
#         with Timer() as render_timer:
#             log, success = self.run_command(render_command)
#         render_time = render_timer.elapsed_time
#         self.persist_log(log, input_path.with_suffix(".log"))
#         output_directory_path = self.get_output_directory()
#         output_paths = self.migrate_assets(
#             render_prefix, render_directory_path, output_directory_path
#         )
#         openable_paths = []
#         for output_path in self.get_openable_paths(format_, output_paths):
#             openable_paths.append(output_path)
#             self.open_output_path(output_path)
#         return output_path, format_time, render_time, success, log
# 
#     ### PUBLIC METHODS ###
# 
#     def get_format(self) -> str:
#         return self.format_
# 
#     def get_layout(self) -> str:
#         return self.layout
# 
#     def get_openable_paths(
#         self, format_, output_paths
#     ) -> Generator[pathlib.Path, None, None]:
#         for path in output_paths:
#             if path.suffix == f".{format_}":
#                 yield path
# 
#     def get_output_directory(self) -> pathlib.Path:
#         return self.output_directory
# 
#     def get_render_command(self, format_, input_path, layout) -> str:
#         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():
#             if not old_path.name.startswith(render_prefix):
#                 continue
#             new_path = output_directory / old_path.name
#             old_path.rename(new_path)
#             migrated_assets.append(new_path)
#         return migrated_assets
# 
#     def open_output_path(self, output_path):
#         viewer = "open"
#         if sys.platform.lower().startswith("linux"):
#             viewer = "xdg-open"
#         subprocess.run(f"{viewer} {output_path}", shell=True, check=True)
# 
#     def persist_log(self, string, input_path):
#         input_path.write_text(string)
# 
#     def persist_string(self, string, input_path):
#         input_path.write_text(string)
# 
#     def run_command(self, command: str) -> Tuple[str, int]:
#         completed_process = subprocess.run(
#             command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT
#         )
#         return completed_process.stdout.decode(), completed_process.returncode == 0


from xml.dom import minidom  # type: ignore
from uqbar.graphs import Grapher
        from IPython.core.display import display_svg


def patch_grapher():
    def get_format(self):
        return "svg"

    def open_output_path(self, output_path):

        with output_path.open() as file_pointer:
            contents = file_pointer.read()
        delete_attributes = True
        document = minidom.parseString(contents)
        svg_element = document.getElementsByTagName("svg")[0]
        view_box = svg_element.getAttribute("viewBox")
        view_box = [float(_) for _ in view_box.split()]
        if delete_attributes:
            if svg_element.attributes.get("height", None):
                del svg_element.attributes["height"]
            if svg_element.attributes.get("width", None):
                del svg_element.attributes["width"]
        else:
            height = "{}pt".format(int(view_box[-1] * 0.6))
            width = "{}pt".format(int(view_box[-2] * 0.6))
            svg_element.setAttribute("height", height)
            svg_element.setAttribute("width", width)
        svg_element.setAttribute("preserveAspectRatio", "xMinYMin")
        contents = document.toprettyxml()
        display_svg(contents, raw=True)

    Grapher.get_format = get_format

# Path: uqbar/graphs/Grapher.py
# class Grapher:
# 
#     ### CLASS VARIABLES ###
# 
#     _valid_formats = ("png", "pdf", "svg")
#     _valid_layouts = ("circo", "dot", "fdp", "neato", "osage", "sfdp", "twopi")
# 
#     ### INITIALIZER ###
# 
#     def __init__(self, graphable, format_="pdf", layout="dot", output_directory=None):
#         if layout not in self._valid_layouts:
#             raise ValueError("Invalid layout: {layout!r}")
#         if format_ not in self._valid_formats:
#             raise ValueError("Invalid format: {format_!r}")
#         self.graphable = graphable
#         self.format_ = format_
#         self.layout = layout
#         self.output_directory = pathlib.Path(output_directory or ".")
# 
#     ### SPECIAL METHODS ###
# 
#     def __call__(self):
#         with Timer() as format_timer:
#             string = self.get_string()
#         format_time = format_timer.elapsed_time
#         layout = self.get_layout()
#         format_ = self.get_format()
#         render_prefix = self.get_render_prefix(string)
#         render_directory_path = self.get_render_directory()
#         input_path = (render_directory_path / render_prefix).with_suffix(".dot")
#         self.persist_string(string, input_path)
#         render_command = self.get_render_command(format_, input_path, layout)
#         with Timer() as render_timer:
#             log, success = self.run_command(render_command)
#         render_time = render_timer.elapsed_time
#         self.persist_log(log, input_path.with_suffix(".log"))
#         output_directory_path = self.get_output_directory()
#         output_paths = self.migrate_assets(
#             render_prefix, render_directory_path, output_directory_path
#         )
#         openable_paths = []
#         for output_path in self.get_openable_paths(format_, output_paths):
#             openable_paths.append(output_path)
#             self.open_output_path(output_path)
#         return output_path, format_time, render_time, success, log
# 
#     ### PUBLIC METHODS ###
# 
#     def get_format(self) -> str:
#         return self.format_
# 
#     def get_layout(self) -> str:
#         return self.layout
# 
#     def get_openable_paths(
#         self, format_, output_paths
#     ) -> Generator[pathlib.Path, None, None]:
#         for path in output_paths:
#             if path.suffix == f".{format_}":
#                 yield path
# 
#     def get_output_directory(self) -> pathlib.Path:
#         return self.output_directory
# 
#     def get_render_command(self, format_, input_path, layout) -> str:
#         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():
#             if not old_path.name.startswith(render_prefix):
#                 continue
#             new_path = output_directory / old_path.name
#             old_path.rename(new_path)
#             migrated_assets.append(new_path)
#         return migrated_assets
# 
#     def open_output_path(self, output_path):
#         viewer = "open"
#         if sys.platform.lower().startswith("linux"):
#             viewer = "xdg-open"
#         subprocess.run(f"{viewer} {output_path}", shell=True, check=True)
# 
#     def persist_log(self, string, input_path):
#         input_path.write_text(string)
# 
#     def persist_string(self, string, input_path):
#         input_path.write_text(string)
# 
#     def run_command(self, command: str) -> Tuple[str, int]:
#         completed_process = subprocess.run(
#             command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT
#         )
#         return completed_process.stdout.decode(), completed_process.returncode == 0


# Path: uqbar/ext/ipython.py
from xml.dom import minidom  # type: ignore
from uqbar.graphs import Grapher
        from IPython.core.display import display_svg



def patch_grapher():
    def get_format(self):
        return "svg"

    def open_output_path(self, output_path):

        with output_path.open() as file_pointer:
            contents = file_pointer.read()
        delete_attributes = True
        document = minidom.parseString(contents)
        svg_element = document.getElementsByTagName("svg")[0]
        view_box = svg_element.getAttribute("viewBox")
        view_box = [float(_) for _ in view_box.split()]
        if delete_attributes:
            if svg_element.attributes.get("height", None):
                del svg_element.attributes["height"]
            if svg_element.attributes.get("width", None):
                del svg_element.attributes["width"]
        else:
            height = "{}pt".format(int(view_box[-1] * 0.6))
            width = "{}pt".format(int(view_box[-2] * 0.6))
            svg_element.setAttribute("height", height)
            svg_element.setAttribute("width", width)
        svg_element.setAttribute("preserveAspectRatio", "xMinYMin")
        contents = document.toprettyxml()
        display_svg(contents, raw=True)

    Grapher.get_format = get_format

    Grapher.open_output_path = open_output_path