mirror of
https://github.com/aykhans/AzSuicideDataVisualization.git
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136 lines
4.9 KiB
Python
136 lines
4.9 KiB
Python
"""Contains writer for writing nbconvert output to filesystem."""
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# Copyright (c) IPython Development Team.
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# Distributed under the terms of the Modified BSD License.
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import glob
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import os
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from pathlib import Path
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from traitlets import Unicode, observe
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from nbconvert.utils.io import ensure_dir_exists, link_or_copy
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from .base import WriterBase
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class FilesWriter(WriterBase):
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"""Consumes nbconvert output and produces files."""
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build_directory = Unicode(
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"",
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help="""Directory to write output(s) to. Defaults
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to output to the directory of each notebook. To recover
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previous default behaviour (outputting to the current
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working directory) use . as the flag value.""",
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).tag(config=True)
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relpath = Unicode(
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help="""When copying files that the notebook depends on, copy them in
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relation to this path, such that the destination filename will be
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os.path.relpath(filename, relpath). If FilesWriter is operating on a
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notebook that already exists elsewhere on disk, then the default will be
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the directory containing that notebook."""
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).tag(config=True)
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# Make sure that the output directory exists.
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@observe("build_directory")
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def _build_directory_changed(self, change):
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new = change["new"]
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if new:
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ensure_dir_exists(new)
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def __init__(self, **kw):
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super().__init__(**kw)
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self._build_directory_changed({"new": self.build_directory})
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def _makedir(self, path):
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"""Make a directory if it doesn't already exist"""
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if path:
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self.log.info("Making directory %s", path)
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ensure_dir_exists(path)
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def write(self, output, resources, notebook_name=None, **kw):
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"""
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Consume and write Jinja output to the file system. Output directory
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is set via the 'build_directory' variable of this instance (a
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configurable).
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See base for more...
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"""
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# Verify that a notebook name is provided.
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if notebook_name is None:
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raise TypeError("notebook_name")
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# Pull the extension and subdir from the resources dict.
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output_extension = resources.get("output_extension", None)
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# Get the relative path for copying files
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resource_path = resources.get("metadata", {}).get("path", "")
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relpath = self.relpath or resource_path
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build_directory = self.build_directory or resource_path
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# Write all of the extracted resources to the destination directory.
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# NOTE: WE WRITE EVERYTHING AS-IF IT'S BINARY. THE EXTRACT FIG
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# PREPROCESSOR SHOULD HANDLE UNIX/WINDOWS LINE ENDINGS...
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items = resources.get("outputs", {}).items()
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if items:
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self.log.info(
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"Support files will be in %s",
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os.path.join(resources.get("output_files_dir", ""), ""),
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)
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for filename, data in items:
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# Determine where to write the file to
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dest = os.path.join(build_directory, filename)
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path = os.path.dirname(dest)
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self._makedir(path)
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# Write file
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self.log.debug("Writing %i bytes to support file %s", len(data), dest)
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with open(dest, "wb") as f:
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f.write(data)
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# Copy referenced files to output directory
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if build_directory:
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for filename in self.files:
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# Copy files that match search pattern
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for matching_filename in glob.glob(filename):
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# compute the relative path for the filename
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if relpath != "":
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dest_filename = os.path.relpath(matching_filename, relpath)
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else:
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dest_filename = matching_filename
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# Make sure folder exists.
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dest = os.path.join(build_directory, dest_filename)
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path = os.path.dirname(dest)
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self._makedir(path)
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# Copy if destination is different.
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if not os.path.normpath(dest) == os.path.normpath(matching_filename):
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self.log.info("Copying %s -> %s", matching_filename, dest)
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link_or_copy(matching_filename, dest)
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# Determine where to write conversion results.
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if output_extension is not None:
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dest = notebook_name + output_extension
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else:
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dest = notebook_name
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dest = Path(build_directory) / dest
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# Write conversion results.
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self.log.info("Writing %i bytes to %s", len(output), dest)
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if isinstance(output, str):
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with open(dest, "w", encoding="utf-8") as f:
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f.write(output)
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else:
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with open(dest, "wb") as f:
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f.write(output)
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return dest
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