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#!/usr/bin/env python
"""Run the py->rst conversion and run all examples.
Steps are:
analyze example index file for example py filenames
check for any filenames in example directory not included
do py to rst conversion, writing into build directory
run
"""
#-----------------------------------------------------------------------------
# Library imports
#-----------------------------------------------------------------------------
# Stdlib imports
import os
from os.path import join as pjoin, abspath, splitext
import shutil
from subprocess import check_call
from glob import glob
# Third-party imports
# We must configure the mpl backend before making any further mpl imports
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
from matplotlib._pylab_helpers import Gcf
#-----------------------------------------------------------------------------
# Function defintions
#-----------------------------------------------------------------------------
# These global variables let show() be called by the scripts in the usual
# manner, but when generating examples, we override it to write the figures to
# files with a known name (derived from the script name) plus a counter
figure_basename = None
# We must change the show command to save instead
def show():
allfm = Gcf.get_all_fig_managers()
for fcount, fm in enumerate(allfm):
fm.canvas.figure.savefig('%s_%02i.png' %
(figure_basename, fcount+1))
_mpl_show = plt.show
plt.show = show
#-----------------------------------------------------------------------------
# Main script
#-----------------------------------------------------------------------------
# Where things are
EG_INDEX_FNAME = abspath('examples_index.rst')
EG_SRC_DIR = abspath('examples')
# Work in examples directory
os.chdir('examples_built')
if not os.getcwd().endswith('doc/examples_built'):
raise OSError('This must be run from the doc directory')
# Copy the py files; check they are in the examples list and warn if not
eg_index_contents = open(EG_INDEX_FNAME, 'rt').read()
pyfilelist = [fname for fname in os.listdir(EG_SRC_DIR)
if fname.endswith('.py')]
for fname in pyfilelist:
shutil.copyfile(pjoin(EG_SRC_DIR, fname), fname)
froot, _ = splitext(fname)
if froot not in eg_index_contents:
print 'Example %s not in index file %s' % (EG_SRC_DIR, EG_INDEX_FNAME)
# Run the conversion from .py to rst file
check_call('../../tools/ex2rst --project dipy --outdir . .',
shell=True)
# Execute each python script in the directory.
if not os.path.isdir('fig'):
os.mkdir('fig')
for script in glob('*.py'):
figure_basename = os.path.join('fig', os.path.splitext(script)[0])
execfile(script)
plt.close('all')
# clean up stray images, pickles, npy files, etc
for globber in ('*.nii.gz', '*.dpy', '*.npy', '*.pkl', '*.mat', '*.img',
'*.hdr'):
for fname in glob(globber):
os.unlink(fname)
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