|
|
#!/usr/bin/env python
|
|
|
"""
|
|
|
Contains writer for writing nbconvert output to filesystem.
|
|
|
"""
|
|
|
#-----------------------------------------------------------------------------
|
|
|
#Copyright (c) 2013, the IPython Development Team.
|
|
|
#
|
|
|
#Distributed under the terms of the Modified BSD License.
|
|
|
#
|
|
|
#The full license is in the file COPYING.txt, distributed with this software.
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Imports
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
import io
|
|
|
import os
|
|
|
import shutil
|
|
|
import glob
|
|
|
|
|
|
from IPython.utils.traitlets import Unicode
|
|
|
|
|
|
from .base import WriterBase
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Classes
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
class FilesWriter(WriterBase):
|
|
|
"""Consumes nbconvert output and produces files."""
|
|
|
|
|
|
|
|
|
build_directory = Unicode("nbconvert_build", config=True,
|
|
|
help="""Directory to write output to. Leave blank
|
|
|
to output to the current directory""")
|
|
|
|
|
|
|
|
|
#Make sure that the output directory exists.
|
|
|
def _build_directory_changed(self, name, old, new):
|
|
|
if new and not os.path.isdir(new):
|
|
|
os.makedirs(new)
|
|
|
|
|
|
|
|
|
def __init__(self, **kw):
|
|
|
super(FilesWriter, self).__init__(**kw)
|
|
|
self._build_directory_changed('build_directory', self.build_directory,
|
|
|
self.build_directory)
|
|
|
|
|
|
|
|
|
def write(self, output, resources, notebook_name=None, **kw):
|
|
|
"""
|
|
|
Consume and write Jinja output to the file system. Output directory
|
|
|
is set via the 'build_directory' variable of this instance (a
|
|
|
configurable).
|
|
|
|
|
|
See base for more...
|
|
|
"""
|
|
|
|
|
|
#Pull the extension from the resources dict.
|
|
|
output_extension = resources['output_extension']
|
|
|
|
|
|
#Write all of the extracted resources to the destination directory.
|
|
|
#NOTE: WE WRITE EVERYTHING AS-IF IT'S BINARY. THE EXTRACT FIG
|
|
|
#TRANSFORMER SHOULD HANDLE UNIX/WINDOWS LINE ENDINGS...
|
|
|
for filename, data in resources.get('figures', {}).items():
|
|
|
|
|
|
#Determine where to write the file to
|
|
|
dest = os.path.join(self.build_directory, filename)
|
|
|
|
|
|
#Write file
|
|
|
with io.open(dest, 'wb') as f:
|
|
|
f.write(data)
|
|
|
|
|
|
#Copy referenced files to output directory
|
|
|
if self.build_directory:
|
|
|
for filename in self.files:
|
|
|
|
|
|
#Copy files that match search pattern
|
|
|
for matching_filename in glob.glob(filename):
|
|
|
|
|
|
#Make sure folder exists.
|
|
|
dest = os.path.join(self.build_directory, filename)
|
|
|
path = os.path.dirname(dest)
|
|
|
if not os.path.isdir(path):
|
|
|
os.makedirs(path)
|
|
|
|
|
|
#Copy
|
|
|
shutil.copyfile(matching_filename, dest)
|
|
|
|
|
|
#Determine where to write conversion results.
|
|
|
dest = notebook_name + '.' + output_extension
|
|
|
if self.build_directory:
|
|
|
dest = os.path.join(self.build_directory, dest)
|
|
|
|
|
|
#Write conversion results.
|
|
|
with io.open(dest, 'w') as f:
|
|
|
f.write(output)
|
|
|
|
