def mk_figures(narps, logfile, thresh=0.95):
func_name = sys._getframe().f_code.co_name
log_to_file(logfile, '%s' % func_name)
fig, ax = plt.subplots(7, 1, figsize=(12, 24))
cut_coords = [-24, -10, 4, 18, 32, 52, 64]
for i, hyp in enumerate(hypnums):
pmap = os.path.join(narps.dirs.dirs['consensus'],
'hypo%d_1-fdr.nii.gz' % hyp)
tmap = os.path.join(narps.dirs.dirs['consensus'],
'hypo%d_t.nii.gz' % hyp)
pimg = nibabel.load(pmap)
timg = nibabel.load(tmap)
pdata = pimg.get_fdata()
tdata = timg.get_fdata()[:, :, :, 0]
threshdata = (pdata > thresh) * tdata
threshimg = nibabel.Nifti1Image(threshdata, affine=timg.affine)
nilearn.plotting.plot_stat_map(threshimg,
threshold=0.1,
display_mode="z",
colorbar=True,
title='hyp %d:' % hyp + hypotheses[hyp],
vmax=8,
cmap='jet',
cut_coords=cut_coords,
axes=ax[i])
plt.savefig(os.path.join(narps.dirs.dirs['figures'], 'consensus_map.pdf'))
plt.close(fig)
def check_image_values(self, overwrite=None):
"""
get # of nonzero and NA voxels for each image
"""
log_to_file(self.dirs.logfile,
'\n\n%s' % sys._getframe().f_code.co_name)
if overwrite is None:
overwrite = self.overwrite
image_metadata_file = os.path.join(self.dirs.dirs['metadata'],
'image_metadata_df.csv')
if os.path.exists(image_metadata_file) and not overwrite:
print('using cached image metdata')
image_metadata_df = pandas.read_csv(image_metadata_file)
return (image_metadata_df)
# otherwise load from scractch
image_metadata = []
masker = nilearn.input_data.NiftiMasker(mask_img=self.dirs.MNI_mask)
for teamID in self.complete_image_sets:
for hyp in self.teams[teamID].images['thresh']['resampled']:
threshfile = self.teams[teamID].images['thresh']['resampled'][
hyp]
threshdata = masker.fit_transform(threshfile)
image_metadata.append([
teamID, hyp,
numpy.sum(numpy.isnan(threshdata)),
numpy.sum(threshdata == 0.0)
])
image_metadata_df = pandas.DataFrame(
image_metadata, columns=['teamID', 'hyp', 'n_na', 'n_nonzero'])
image_metadata_df.to_csv(image_metadata_file)
return (image_metadata_df)
def get_input_dirs(self, dirs, verbose=True, load_json=True):
"""
get orig dirs
- assumes that images.json is present for each valid dir
"""
input_files = glob.glob(
os.path.join(dirs.dirs['orig'], '*/hypo1_thresh.nii.gz'))
input_dirs = [os.path.dirname(i) for i in input_files]
log_to_file(self.dirs.logfile,
'found %d input directories' % len(input_dirs))
for i in input_dirs:
collection_id = os.path.basename(i)
NV_collection_id, teamID = collection_id.split('_')
if teamID not in self.teams:
self.teams[teamID] = NarpsTeam(teamID,
NV_collection_id,
dirs,
verbose=self.verbose)
if os.path.exists(os.path.join(i, 'images.json')):
self.teams[teamID].jsonfile = os.path.join(
i, 'images.json')
with open(self.teams[teamID].jsonfile) as f:
self.teams[teamID].image_json = json.load(f)
def get_figi_history(
self, figi: str, start: dt.datetime, end: dt.datetime, interval: str
):
"""
Get history for a given figi identifier
:param figi:
:param start:
:param end:
:param interval:
:return:
"""
hist = None
count = 0
while not hist and count < SLEEP_TRIES:
count += 1
try:
hist = self.market.get_candles(
figi=figi,
_from=start.isoformat(),
to=end.isoformat(),
interval=interval,
)
except Exception as e:
log_to_file(e)
log_to_file(f"Sleep {SLEEP_TIME} seconds")
time.sleep(SLEEP_TIME)
if self.verbose:
print("Received market response:", hist.payload.candles)
candles = hist.payload.candles
candles_dicts = [candles[i].to_dict() for i in range(len(candles))]
df = pd.DataFrame(candles_dicts)
return df
def order_view(request, pk):
t = TranslationRequest.objects.get(pk=pk)
check_stage(t.status, 'selected_quote')
t.reference = "%s-%s" % (str(pk), str(uuid.uuid4()))
t.order_name = "Aldryn Translator Order"
# COPY OLD LANG PAGE TREE TO NEW ONE
if t.copy_content:
copy_pages(t.from_lang, t.to_lang, t.pages)
data = prepare_data(t, t.from_lang, t.to_lang, plugin_source_lang=t.to_lang)
data.update(prepare_order_data(request, t))
order = json.loads(get_order(t.provider, data))
if log_to_file_enabled():
log_to_file(data)
t.sent_content = json.dumps(data, ensure_ascii=False).encode('ascii', 'xmlcharrefreplace')
t.status = 'requested'
t.save()
# TODO: save other stuff from response to model (deadline, price, more?)
if t.provider == 'supertext':
return render_to_response(
'aldryn_translator/confirmation.html', {'r': order},
context_instance=RequestContext(request))
else:
raise NotImplementedError()
def run_all_analyses(narps, simulate_noise=False):
logfile = os.path.join(narps.dirs.dirs['logs'], 'ThresholdSimulation.log')
log_to_file(logfile, 'Running thresholding simulation', flush=True)
# get team results to add to table
all_metadata = get_all_metadata(narps)
mean_decision = all_metadata.groupby('varnum').Decision.mean()
all_results = []
for hyp in range(1, 10):
results, mean_fdr_thresh, meta_results, roisize = get_activations(
narps, hyp, logfile, simulate_noise=simulate_noise)
mean_results = (results > 0).mean(0)
r = [
hyp, roisize, mean_decision.loc[hyp], mean_results[0],
mean_results[1], meta_results[0], meta_results[1]
]
all_results.append(r)
results_df = pandas.DataFrame(
all_results,
columns=[
'Hypothesis', 'N voxels in ROI',
'proportion of teams reporting act.',
'proportion of teams w/ act. (%s)' % results.columns[0],
'proportion of teams w/ act. (%s)' % results.columns[1],
'CBMA (n voxels in ROI)', 'IBMA (n voxels in ROI)'
])
results_df.to_csv(os.path.join(narps.dirs.dirs['ThresholdSimulation'],
'simulation_results.csv'),
index=False)
return (results_df)
def estimate_smoothness(self, overwrite=None, imgtype='zstat'):
"""
estimate smoothness of Z maps using FSL's smoothness estimation
"""
log_to_file(
self.dirs.logfile,
sys._getframe().f_code.co_name,
headspace=2)
func_args = inspect.getargvalues(
inspect.currentframe()).locals
log_to_file(
self.dirs.logfile,
stringify_dict(func_args))
if overwrite is None:
overwrite = self.overwrite
output_file = os.path.join(self.dirs.dirs['metadata'],
'smoothness_est.csv')
if os.path.exists(output_file) and not overwrite:
if self.verbose:
print('using existing smoothness file')
smoothness_df = pandas.read_csv(output_file)
return(smoothness_df)
# use nipype's interface to the FSL smoothest command
est = SmoothEstimate()
smoothness = []
for teamID in self.complete_image_sets['unthresh']:
for hyp in range(1, 10):
if hyp not in self.teams[teamID].images['unthresh'][imgtype]:
# fill missing data with nan
print('no zstat present for', teamID, hyp)
smoothness.append([teamID, hyp, numpy.nan,
numpy.nan, numpy.nan])
continue
infile = self.teams[teamID].images['unthresh'][imgtype][hyp]
if not os.path.exists(infile):
print('no image present:', infile)
continue
else:
if self.verbose:
print('estimating smoothness for hyp', hyp)
est.inputs.zstat_file = infile
est.inputs.mask_file = self.dirs.MNI_mask
est.terminal_output = 'file_split'
smoothest_output = est.run()
smoothness.append([teamID, hyp,
smoothest_output.outputs.dlh,
smoothest_output.outputs.volume,
smoothest_output.outputs.resels])
self.teams[teamID].logs['smoothest'] = (
smoothest_output.runtime.stdout,
smoothest_output.runtime.stderr)
smoothness_df = pandas.DataFrame(
smoothness,
columns=['teamID', 'hyp', 'dhl', 'volume', 'resels'])
smoothness_df.to_csv(output_file)
return(smoothness_df)
def compute_image_stats(self, datatype='zstat', overwrite=None):
"""
compute std and range on statistical images
"""
log_to_file(
self.dirs.logfile,
sys._getframe().f_code.co_name,
headspace=2)
func_args = inspect.getargvalues(
inspect.currentframe()).locals
log_to_file(
self.dirs.logfile,
stringify_dict(func_args))
if overwrite is None:
overwrite = self.overwrite
# set up directories
unthresh_concat_dir = self.dirs.get_output_dir(
'unthresh_concat_%s' % datatype)
unthresh_range_dir = self.dirs.get_output_dir(
'unthresh_range_%s' % datatype)
unthresh_std_dir = self.dirs.get_output_dir(
'unthresh_std_%s' % datatype)
for hyp in range(1, 10):
unthresh_file = os.path.join(
unthresh_concat_dir,
'hypo%d.nii.gz' % hyp)
range_outfile = os.path.join(
unthresh_range_dir,
'hypo%d.nii.gz' % hyp)
std_outfile = os.path.join(
unthresh_std_dir,
'hypo%d.nii.gz' % hyp)
if not os.path.exists(range_outfile) \
or not os.path.exists(std_outfile) \
or overwrite:
unthresh_img = nibabel.load(unthresh_file)
unthresh_data = unthresh_img.get_data()
concat_data = numpy.nan_to_num(unthresh_data)
# compute range
datarange = numpy.max(concat_data, axis=3) \
- numpy.min(concat_data, axis=3)
range_img = nibabel.Nifti1Image(
datarange,
affine=unthresh_img.affine)
range_img.to_filename(range_outfile)
# compute standard deviation
datastd = numpy.std(concat_data, axis=3)
std_img = nibabel.Nifti1Image(
datastd,
affine=unthresh_img.affine)
std_img.to_filename(std_outfile)
def __init__(self, basedir, data_url=None,
force_download=False):
# set up a dictionary to contain all of the
# directories
self.dirs = {}
# check to make sure home of basedir exists
assert os.path.exists(os.path.dirname(basedir))
self.dirs['base'] = basedir
if not os.path.exists(basedir):
os.mkdir(basedir)
self.force_download = force_download
if data_url is None:
self.data_url = DATA_URL
dirs_to_add = ['output', 'metadata',
'cached', 'figures', 'logs', 'orig']
for d in dirs_to_add:
self.dirs[d] = os.path.join(self.dirs['base'], d)
self.dirs['templates'] = os.path.join(
os.environ['FSLDIR'],
'data/standard')
# autogenerate all of the directories
# except for the orig dir
for d in dirs_to_add:
if d != 'orig' and not os.path.exists(self.dirs[d]):
os.mkdir(self.dirs[d])
self.logfile = os.path.join(self.dirs['logs'], 'narps.txt')
log_to_file(self.logfile, 'Running Narps main class', flush=True)
output_dirs = ['resampled', 'rectified', 'zstat',
'thresh_mask_orig']
for o in output_dirs:
self.get_output_dir(o)
# if raw data don't exist, download them
if self.force_download and os.path.exists(self.dirs['orig']):
shutil.rmtree(self.dirs['orig'])
if not os.path.exists(self.dirs['orig']):
self.get_orig_data()
assert os.path.exists(self.dirs['orig'])
# make sure the necessary templates are present
# these should be downloaded with the raw data
self.MNI_mask = os.path.join(self.dirs['templates'],
'MNI152_T1_2mm_brain_mask.nii.gz')
assert os.path.exists(self.MNI_mask)
self.MNI_template = os.path.join(self.dirs['templates'],
'MNI152_T1_2mm.nii.gz')
assert os.path.exists(self.MNI_template)
self.full_mask_img = os.path.join(self.dirs['templates'],
'MNI152_all_voxels.nii.gz')
def get_binarized_thresh_masks(self):
"""
create binarized thresholded maps for each team
"""
log_to_file(self.dirs.logfile,
'\n\n%s' % sys._getframe().f_code.co_name)
for teamID in self.complete_image_sets:
self.teams[teamID].create_binarized_thresh_masks()
def compute_image_stats(self, datatype='zstat', overwrite=None):
"""
compute std and range on statistical images
"""
log_to_file(
self.dirs.logfile, '\n\n%s' %
sys._getframe().f_code.co_name)
func_args = inspect.getargvalues(
inspect.currentframe()).locals
log_to_file(
self.dirs.logfile,
stringify_dict(func_args))
if overwrite is None:
overwrite = self.overwrite
for hyp in range(1, 10):
unthresh_file = os.path.join(
self.dirs.dirs['output'],
'unthresh_concat_%s/hypo%d.nii.gz' % (datatype, hyp))
range_outfile = os.path.join(
self.dirs.dirs['output'],
'unthresh_range_%s/hypo%d.nii.gz' % (datatype, hyp))
if not os.path.exists(os.path.join(
self.dirs.dirs['output'],
'unthresh_range_%s' % datatype)):
os.mkdir(os.path.join(
self.dirs.dirs['output'],
'unthresh_range_%s' % datatype))
std_outfile = os.path.join(
self.dirs.dirs['output'],
'unthresh_std_%s/hypo%d.nii.gz' % (datatype, hyp))
if not os.path.exists(os.path.join(
self.dirs.dirs['output'],
'unthresh_std_%s' % datatype)):
os.mkdir(os.path.join(
self.dirs.dirs['output'],
'unthresh_std_%s' % datatype))
if not os.path.exists(range_outfile) \
or not os.path.exists(std_outfile) \
or overwrite:
unthresh_img = nibabel.load(unthresh_file)
unthresh_data = unthresh_img.get_data()
concat_data = numpy.nan_to_num(unthresh_data)
datarange = numpy.max(concat_data, axis=3) \
- numpy.min(concat_data, axis=3)
range_img = nibabel.Nifti1Image(
datarange,
affine=unthresh_img.affine)
range_img.to_filename(range_outfile)
datastd = numpy.std(concat_data, axis=3)
std_img = nibabel.Nifti1Image(
datastd,
affine=unthresh_img.affine)
std_img.to_filename(std_outfile)
def verify_service_content(url, request_body, content):
headers = {'content-type': 'text/xml'}
try:
start = datetime.datetime.now()
r = requests.post(url, data=request_body, headers=headers)
end = datetime.datetime.now()
except Exception, e:
utils.log_to_file(e)
return 0
def __init__(self, basedir, data_url=None,
force_download=False):
# set up directories and template files
self.dirs = {}
# check to make sure home of basedir exists
assert os.path.exists(os.path.dirname(basedir))
self.dirs['base'] = basedir
if not os.path.exists(basedir):
os.mkdir(basedir)
self.force_download = force_download
if data_url is None:
self.data_url = DATA_URL
self.dirs['orig'] = os.path.join(self.dirs['base'], 'orig')
self.dirs['templates'] = os.path.join(self.dirs['base'], 'templates')
self.dirs['output'] = os.path.join(self.dirs['base'], 'maps')
self.dirs['metadata'] = os.path.join(self.dirs['base'], 'metadata')
self.dirs['cached'] = os.path.join(self.dirs['base'], 'cached')
self.dirs['figures'] = os.path.join(self.dirs['base'], 'figures')
self.dirs['logs'] = os.path.join(self.dirs['base'], 'logs')
dirs_to_make = ['output', 'metadata', 'cached', 'figures', 'logs']
for d in dirs_to_make:
if not os.path.exists(self.dirs[d]):
os.mkdir(self.dirs[d])
self.logfile = os.path.join(self.dirs['logs'], 'narps.txt')
log_to_file(self.logfile, 'Running Narps main class', flush=True)
output_dirs = ['resampled', 'rectified', 'zstat',
'thresh_mask_orig', 'concat_thresh']
for o in output_dirs:
self.dirs[o] = os.path.join(self.dirs['output'], o)
if not os.path.exists(self.dirs[o]):
os.mkdir(self.dirs[o])
# if raw data don't exist, download them
if not os.path.exists(self.dirs['orig']) or self.force_download:
self.get_orig_data()
assert os.path.exists(self.dirs['orig'])
self.MNI_mask = os.path.join(self.dirs['templates'],
'MNI152_T1_2mm_brain_mask.nii.gz')
assert os.path.exists(self.MNI_mask)
self.MNI_template = os.path.join(self.dirs['templates'],
'MNI152_T1_2mm.nii.gz')
assert os.path.exists(self.MNI_template)
self.full_mask_img = os.path.join(self.dirs['templates'],
'MNI152_all_voxels.nii.gz')
# templates should also be downloaded with orig data
assert os.path.exists(self.dirs['templates'])
def get_etfs_daily_history(
self,
end=dt.datetime.now(MOSCOW_TIMEZONE) - dt.timedelta(days=1),
start=dt.datetime.now(MOSCOW_TIMEZONE) - dt.timedelta(weeks=52, days=1),
):
"""
Get daily market history (1 point per day) with exactly the requested interval.
Note:
Due to API restrictions, an interval longer than a year must be divided into
years when fetched
"""
interval = "day"
interval_dt = dt.timedelta(days=1)
print(
f"Requesting ETF history from {start} till {end} with an interval={interval}"
)
length = end.astimezone(MOSCOW_TIMEZONE) - start.astimezone(MOSCOW_TIMEZONE)
# The server bugs if the time period is smaller than 1 interval
if length < interval_dt:
start = end - interval_dt
length = interval_dt
one_period = dt.timedelta(weeks=52)
n_periods = int(math.ceil(length / one_period))
periods = [
[end - one_period * (i + 1), end - one_period * i] for i in range(n_periods)
]
periods[-1][0] = start
periods = periods[::-1]
dfs = []
out, tickers = pd.DataFrame(), []
for period in tqdm(periods, desc=f"Getting forecast with interval={interval}"):
if self.verbose:
print(f"Requesting history from {period[0]} till {period[1]}.")
df, tickers = self.get_etfs_history(
start=period[0], end=period[1], freq=interval
)
if df.empty:
print(
f"Server returned an empty reply for the following period: {period}!"
)
continue
dfs.append(df)
if dfs:
out = pd.concat(dfs, axis=0, ignore_index=True)
l1 = len(out)
out.drop(out[pd.isna(out.time)].index, inplace=True)
if len(out) < l1:
log_to_file(f"{l1 - len(out)} NaN time stamps dropped.")
return out, tickers
def get_resampled_images(self, overwrite=None):
"""
resample all images into FSL MNI space
"""
log_to_file(self.dirs.logfile,
'\n\n%s' % sys._getframe().f_code.co_name)
if overwrite is None:
overwrite = self.overwrite
for teamID in self.complete_image_sets:
self.teams[teamID].get_resampled_images()
def __init__(self,
basedir,
metadata_file=None,
verbose=False,
overwrite=False,
dataurl=None,
testing=False):
self.basedir = basedir
self.dirs = NarpsDirs(basedir, dataurl=dataurl, testing=testing)
self.verbose = verbose
self.teams = {}
self.overwrite = overwrite
self.started_at = datetime.datetime.now()
self.testing = testing
# create the full mask image if it doesn't already exist
if not os.path.exists(self.dirs.full_mask_img):
print('making full image mask')
self.mk_full_mask_img(self.dirs)
assert os.path.exists(self.dirs.full_mask_img)
# get input dirs for orig data
self.image_jsons = None
self.input_dirs = self.get_input_dirs(self.dirs)
# check images for each team
self.complete_image_sets = {}
self.get_orig_images(self.dirs)
for imgtype in ['thresh', 'unthresh']:
log_to_file(
self.dirs.logfile,
'found %d teams with complete original %s datasets' %
(len(self.complete_image_sets[imgtype]), imgtype))
# set up metadata
if metadata_file is None:
self.metadata_file = os.path.join(
self.dirs.dirs['orig'], 'analysis_pipelines_for_analysis.xlsx')
else:
self.metadata_file = metadata_file
self.metadata = get_metadata(self.metadata_file)
self.hypothesis_metadata = pandas.DataFrame(
columns=['teamID', 'hyp', 'n_na', 'n_zero'])
self.all_maps = {
'thresh': {
'resampled': None
},
'unthresh': {
'resampled': None
}
}
self.rectified_list = []
def get_resampled_images(self, overwrite=None):
"""
resample all images into FSL MNI space
"""
log_to_file(self.dirs.logfile,
sys._getframe().f_code.co_name,
headspace=2)
if overwrite is None:
overwrite = self.overwrite
for imgtype in ['thresh', 'unthresh']:
for teamID in self.complete_image_sets[imgtype]:
self.teams[teamID].get_resampled_images(imgtype=imgtype)
def create_concat_images(self,
datatype='resampled',
imgtypes=None,
overwrite=None):
"""
create images concatenated across teams
ordered by self.complete_image_sets
"""
log_to_file(self.dirs.logfile,
'\n\n%s' % sys._getframe().f_code.co_name)
func_args = inspect.getargvalues(inspect.currentframe()).locals
log_to_file(self.dirs.logfile, stringify_dict(func_args))
if imgtypes is None:
imgtypes = ['thresh', 'unthresh']
if overwrite is None:
overwrite = self.overwrite
for imgtype in imgtypes:
self.dirs.dirs['concat_%s' % imgtype] = os.path.join(
self.dirs.dirs['output'], '%s_concat_%s' % (imgtype, datatype))
for hyp in range(1, 10):
outfile = os.path.join(self.dirs.dirs['concat_%s' % imgtype],
'hypo%d.nii.gz' % hyp)
if not os.path.exists(os.path.dirname(outfile)):
os.mkdir(os.path.dirname(outfile))
if not os.path.exists(outfile) or overwrite:
if self.verbose:
print('%s - hypo %d: creating concat file' %
(imgtype, hyp))
concat_teams = [
teamID for teamID in self.complete_image_sets
if os.path.exists(self.teams[teamID].images[imgtype]
[datatype][hyp])
]
self.all_maps[imgtype][datatype] = [
self.teams[teamID].images[imgtype][datatype][hyp]
for teamID in concat_teams
]
# use nilearn NiftiMasker to load data
# and save to a new file
masker = nilearn.input_data.NiftiMasker(
mask_img=self.dirs.MNI_mask)
concat_data = masker.fit_transform(
self.all_maps[imgtype][datatype])
concat_img = masker.inverse_transform(concat_data)
concat_img.to_filename(outfile)
else:
if self.verbose:
print('%s - hypo %d: using existing file' %
(imgtype, hyp))
return (self.all_maps)
def get_thresh_similarity(narps, dataset='resampled'):
"""
For each pair of thresholded images, compute the similarity
of the thresholded/binarized maps using the Jaccard coefficient.
Computation with zeros per https://stackoverflow.com/questions/37003272/how-to-compute-jaccard-similarity-from-a-pandas-dataframe # noqa
also add computation of jaccard on only nonzero pairs
(ala scipy)
"""
func_args = inspect.getargvalues(inspect.currentframe()).locals
func_name = sys._getframe().f_code.co_name
logfile = os.path.join(
narps.dirs.dirs['logs'],
'%s-%s.txt' % (sys.argv[0].split('.')[0], func_name))
log_to_file(logfile, '%s' % func_name, flush=True)
log_to_file(logfile, stringify_dict(func_args))
output_dir = os.path.join(narps.dirs.dirs['output'], 'jaccard_thresh')
if not os.path.exists(output_dir):
os.mkdir(output_dir)
for hyp in hypnums:
print('creating Jaccard map for hypothesis', hyp)
maskdata, labels = get_masked_data(hyp,
narps.dirs.MNI_mask,
narps.dirs.dirs['output'],
imgtype='thresh',
dataset=dataset)
jacsim = 1 - pairwise_distances(maskdata, metric="hamming")
jacsim_nonzero = 1 - squareform(pdist(maskdata, 'jaccard'))
df = pandas.DataFrame(jacsim, index=labels, columns=labels)
df.to_csv(os.path.join(output_dir, 'jacsim_thresh_hyp%d.csv' % hyp))
df_nonzero = pandas.DataFrame(jacsim_nonzero,
index=labels,
columns=labels)
df_nonzero.to_csv(
os.path.join(output_dir, 'jacsim_nonzero_thresh_hyp%d.csv' % hyp))
seaborn.clustermap(df, cmap='jet', figsize=(16, 16), method='ward')
plt.title(hypotheses[hyp])
plt.savefig(
os.path.join(narps.dirs.dirs['figures'],
'hyp%d_jaccard_map_thresh.pdf' % hyp))
plt.close()
seaborn.clustermap(df_nonzero,
cmap='jet',
figsize=(16, 16),
method='ward')
plt.title(hypotheses[hyp])
plt.savefig(
os.path.join(narps.dirs.dirs['figures'],
'hyp%d_jaccard_nonzero_map_thresh.pdf' % hyp))
plt.close()
def plot_distance_from_mean(narps):
func_name = sys._getframe().f_code.co_name
logfile = os.path.join(narps.dirs.dirs['logs'],
'AnalyzeMaps-%s.txt' % func_name)
log_to_file(logfile, '%s' % func_name, flush=True)
median_corr_df = pandas.read_csv(
os.path.join(narps.dirs.dirs['metadata'], 'median_pattern_corr.csv'))
# Plot distance from mean across teams
plt.bar(median_corr_df.index, median_corr_df.median_corr)
plt.savefig(os.path.join(narps.dirs.dirs['figures'],
'median_corr_sorted.pdf'),
bbox_inches='tight')
plt.close()
# This plot is limited to the teams with particularly
# low median correlations (<.2)
median_corr_low = median_corr_df.query('median_corr < 0.2')
log_to_file(
logfile, 'found %d teams with r<0.2 with mean pattern' %
median_corr_low.shape[0])
log_to_file(logfile, median_corr_low.iloc[:, 0].values)
median_corr_high = median_corr_df.query('median_corr > 0.7')
log_to_file(
logfile, 'found %d teams with r>0.7 with mean pattern' %
median_corr_high.shape[0])
def evaluate(weights_file,
image_model_name='vgg16',
embedding_type='glove',
embedding_dim=300,
batch_size=200):
# create data loader
data_path = os.path.join(os.path.dirname(__file__), 'data')
option = {
'data_root': data_path, # MODIFY PATH ACCORDINGLY
'fine_size': 224,
'word_embedding_length': 1024,
'randomize': False
}
data_loader = DataLoaderDisk(**option)
word_index = data_loader.tokenizer.word_index
embedding_path = ''
if embedding_type == 'glove':
embedding_path = os.path.join(
data_path, 'glove.6B', 'glove.6B.{0}d.txt'.format(embedding_dim))
embedding_matrix = get_embedding_matrix(word_index, embedding_type,
embedding_path)
seq_length = 25
model_val = vqa_model(image_model_name,
embedding_matrix,
seq_length,
dropout_rate=0.5,
num_classes=3131)
model_val.load_weights(weights_file)
epochs = 1
iters = int(data_loader.val_num * epochs / batch_size)
val_accuracy = 0
for iteration in tqdm(range(iters)):
img_batch_val, que_batch_val, y_batch_val = data_loader.next_batch(
batch_size, mode='val')
val_score = model_val.test_on_batch([img_batch_val, que_batch_val],
y_batch_val)
val_accuracy += float(val_score[1])
msg = 'iter = {0}, val acc: {1:03f}'.format(iteration,
float(val_score[1]))
log_to_file(msg)
msg = 'Overall Accuracy on Validation-Set: {0}'.format(val_accuracy /
iters)
log_to_file(msg)
def _load_data(self):
try:
self._data = pd.read_csv(self.data_file)
# Drop nans in time stamps
l1 = len(self._data)
self._data.drop(self._data[pd.isna(self._data.time)].index, inplace=True)
if len(self._data) < l1:
log_to_file(f"{l1 - len(self._data)} NaN time stamps dropped.")
self._data.time = pd.to_datetime(self._data.time)
with open(self.tickers_file, "r") as f:
self._tickers = f.read().split()
print("Local history data loaded successfully")
except FileNotFoundError:
print("No saved ETF history found locally.")
def get_thresh_similarity(narps, dataset='resampled'):
"""
For each pair of thresholded images, compute the similarity
of the thresholded/binarized maps using the Jaccard coefficient.
Computation with zeros per https://stackoverflow.com/questions/37003272/how-to-compute-jaccard-similarity-from-a-pandas-dataframe # noqa
also add computation of jaccard on only nonzero pairs
(ala scipy)
"""
func_args = inspect.getargvalues(inspect.currentframe()).locals
func_name = sys._getframe().f_code.co_name
logfile = os.path.join(narps.dirs.dirs['logs'],
'AnalyzeMaps-%s.txt' % func_name)
log_to_file(logfile, '%s' % func_name, flush=True)
log_to_file(logfile, stringify_dict(func_args))
for hyp in hypnums:
print('analyzing thresh similarity for hypothesis', hyp)
maskdata, labels = get_concat_data(hyp,
narps.dirs.MNI_mask,
narps.dirs.dirs['output'],
imgtype='thresh',
dataset=dataset)
pctagree = matrix_pct_agreement(maskdata)
median_pctagree = numpy.median(pctagree[numpy.triu_indices_from(
pctagree, 1)])
log_to_file(
logfile,
'hyp %d: median pctagree similarity: %f' % (hyp, median_pctagree))
df_pctagree = pandas.DataFrame(pctagree, index=labels, columns=labels)
df_pctagree.to_csv(
os.path.join(narps.dirs.dirs['metadata'],
'pctagree_hyp%d.csv' % hyp))
seaborn.clustermap(df_pctagree,
cmap='jet',
figsize=(16, 16),
method='ward')
plt.title(hypotheses_full[hyp])
plt.savefig(os.path.join(narps.dirs.dirs['figures'],
'hyp%d_pctagree_map_thresh.pdf' % hyp),
bbox_inches='tight')
plt.savefig(os.path.join(narps.dirs.dirs['figures'],
'hyp%d_pctagree_map_thresh.png' % hyp),
bbox_inches='tight')
plt.close()
# get jaccard for nonzero voxels
jacsim_nonzero = 1 - squareform(pdist(maskdata, 'jaccard'))
median_jacsim_nonzero = numpy.median(
jacsim_nonzero[numpy.triu_indices_from(jacsim_nonzero, 1)])
log_to_file(
logfile, 'hyp %d: median jacaard similarity (nonzero): %f' %
(hyp, median_jacsim_nonzero))
def setup_simulated_data(
narps,
verbose=False,
overwrite=False):
"""create directories for simulated data"""
# consensus analysis must exist
assert os.path.exists(narps.dirs.dirs['consensus'])
basedir = narps.basedir + '_simulated'
if verbose:
print("writing files to new directory:", basedir)
if not os.path.exists(os.path.join(basedir, 'logs')):
os.makedirs(os.path.join(basedir, 'logs'))
log_to_file(os.path.join(basedir, 'logs/simulated_data.log'),
'Creating simulated dataset', flush=True)
# copy data from orig/templates
origdir = narps.dirs.dirs['orig']
new_origdir = os.path.join(basedir, 'orig')
templatedir = narps.dirs.dirs['templates']
if verbose:
print('using basedir:', basedir)
if os.path.exists(basedir) and overwrite:
shutil.rmtree(basedir)
if not os.path.exists(basedir):
os.mkdir(basedir)
if not os.path.exists(new_origdir) or overwrite:
if verbose:
print('copying template data to new basedir')
shutil.copytree(
templatedir,
os.path.join(basedir, 'templates'))
if not os.path.exists(new_origdir):
os.mkdir(new_origdir)
# copy metadata files from orig
for f in glob.glob(os.path.join(
origdir, '*.*')):
if os.path.isfile(f):
if verbose:
print('copying', f, 'to', new_origdir)
shutil.copy(f, new_origdir)
else:
print('using existing new basedir')
return(basedir)
def log_data(download_dir, logfile, verbose=True):
"""record manifest and file hashes"""
imgfiles = {}
# traverse root directory, and list directories as dirs and files as files
for root, _, files in os.walk(download_dir):
path = root.split(os.sep)
for file in files:
if file.find('.nii.gz') < 0:
# skip non-nifti files
continue
fname = os.path.join(root, file)
filehash = hashlib.md5(open(fname, 'rb').read()).hexdigest()
short_fname = os.path.join('/'.join(path[-2:]), file)
imgfiles[short_fname] = filehash
if verbose:
print(short_fname, filehash)
log_to_file(logfile, '%s %s' % (short_fname, filehash))
def create_mean_thresholded_images(self, datatype='resampled',
overwrite=None, thresh=1e-5):
"""
create overlap maps for thresholded images
"""
log_to_file(
self.dirs.logfile,
sys._getframe().f_code.co_name,
headspace=2)
func_args = inspect.getargvalues(
inspect.currentframe()).locals
log_to_file(
self.dirs.logfile,
stringify_dict(func_args))
imgtype = 'thresh'
if overwrite is None:
overwrite = self.overwrite
output_dir = self.dirs.get_output_dir('overlap_binarized_thresh')
concat_dir = self.dirs.get_output_dir(
'%s_concat_%s' % (imgtype, datatype))
for hyp in range(1, 10):
outfile = os.path.join(
output_dir,
'hypo%d.nii.gz' % hyp)
if not os.path.exists(outfile) or overwrite:
if self.verbose:
print('%s - hypo %d: creating overlap file' % (
imgtype, hyp))
concat_file = os.path.join(
concat_dir,
'hypo%d.nii.gz' % hyp)
concat_img = nibabel.load(concat_file)
concat_data = concat_img.get_data()
concat_data = (concat_data > thresh).astype('float')
concat_mean = numpy.mean(concat_data, 3)
concat_mean_img = nibabel.Nifti1Image(concat_mean,
affine=concat_img.affine)
concat_mean_img.to_filename(outfile)
else:
if self.verbose:
print('%s - hypo %d: using existing file' % (
imgtype, hyp))
def copy_renamed_files(collectionIDs, download_dir, logfile):
"""change file names based on info in images.json"""
# setup target directory
orig_dir = os.path.join(os.path.dirname(download_dir), 'orig')
if not os.path.exists(orig_dir):
os.mkdir(orig_dir)
for teamID in collectionIDs:
collectionID = '%s_%s' % (collectionIDs[teamID], teamID)
collection_dir = os.path.join(download_dir, collectionID)
fixed_dir = os.path.join(orig_dir, collectionID)
if not os.path.exists(fixed_dir):
os.mkdir(fixed_dir)
jsonfile = os.path.join(collection_dir, 'images.json')
if not os.path.exists(jsonfile):
print('no json file for ', collectionID)
continue
with open(jsonfile) as f:
image_info = json.load(f)
for img in image_info:
origname = os.path.basename(img['file'])
# fix various issues with names
newname = img['name'].replace('tresh', 'thresh').replace(
' ', '_') + '.nii.gz'
newname = newname.replace('hypo_', 'hypo').replace(
'uthresh', 'unthresh').replace('_LR', '')
# skip unthresh images if necessary
if newname.find('unthresh') > -1 and \
teamID in TEAMS_TO_REMOVE_UNTHRESH:
continue
if origname.find('sub') > -1 or \
not newname.find('thresh') > -1: # skip sub files
continue
else:
log_to_file(
logfile, 'copying %s/%s to %s/%s' %
(collectionID, origname, collectionID, newname))
shutil.copy(os.path.join(collection_dir, origname),
os.path.join(fixed_dir, newname))
return (orig_dir)
def get_input_dirs(self, dirs, verbose=True, load_json=True):
"""
get orig dirs
- assumes that images.json is present for each valid dir
"""
input_jsons = glob.glob(
os.path.join(dirs.dirs['orig'], '*/images.json'))
log_to_file(
self.dirs.logfile,
'found %d input directories' % len(input_jsons))
if load_json:
for i in input_jsons:
collection_id = os.path.basename(os.path.dirname(i))
NV_collection_id, teamID = collection_id.split('_')
if teamID not in self.teams:
self.teams[teamID] = NarpsTeam(
teamID, NV_collection_id, dirs, verbose=self.verbose)
self.teams[teamID].jsonfile = i
with open(i) as f:
self.teams[teamID].image_json = json.load(f)
def export_plugins(from_lang, plugin_list, plugin_selection=None):
field_blacklist = get_blacklist()
plugin_data = []
for plugin in plugin_list:
try:
instance = plugin.get_plugin_instance()[0]
except KeyError as e:
# Nasty fix for StackPlugins still straying around
if str(e) != "u'StackPlugin'":
raise KeyError(str(e))
continue
if instance is None:
continue
elif plugin_selection and str(type(instance)) not in plugin_selection:
continue
if getattr(instance, "language") == from_lang: # TODO: check: could this break at some point?
plugin_contents = plugin.get_plugin_instance()[0].get_translatable_content()
if plugin_contents:
if not isinstance(plugin_contents, list):
plugin_contents = [plugin_contents]
for item in plugin_contents:
plugin_dict = {
'plugin_pk': getattr(plugin, "pk"),
'plugin_type': "%s%s" % (instance.__class__.__name__, " (%s)" % str(type(instance)) or ""),
'fields': {}
}
for key, value in item.items():
if not key in field_blacklist:
plugin_dict['fields'][key] = value
plugin_data.append(plugin_dict)
if log_to_file_enabled():
log_to_file(plugin_data)
return plugin_data
def save_violation(v):
try:
file = open("./violations/violations.json", 'r')
violations_json = json.loads(file.read())
file.close()
if v in violations_json.keys():
violations_json[v] = int(violations_json.get(v)) + 1
try:
file = open("./violations/violations.json", 'w')
file.write(json.dumps(violations_json))
file.close()
except:
log_to_file("Failed to write to violations.json at" +
time.strftime("%b %d, %Y - %I:%M:%S"))
else:
violations_json[v] = 1
try:
file = open("./violations/violations.json", 'w')
file.write(json.dumps(violations_json))
file.close()
except:
log_to_file("Failed to write to violations.json at" +
time.strftime("%b %d, %Y - %I:%M:%S"))
except:
log_to_file("Failed to read violations.json at" +
time.strftime("%b %d, %Y - %I:%M:%S"))
file = open("./violations/violations.json", 'w')
file.write("{}")
file.close()
def save_user(user):
try:
file = open("./users/users.json", 'r')
users_json = json.loads(file.read())
file.close()
if user in users_json.keys():
users_json[user] = int(users_json.get(user)) + 1
try:
file = open("./users/users.json", 'w')
file.write(json.dumps(users_json))
file.close()
except:
log_to_file("Failed to write to users.json at " +
time.strftime("%b %d, %Y - %I:%M:%S"))
else:
users_json[user] = 1
try:
file = open("./users/users.json", 'w')
file.write(json.dumps(users_json))
file.close()
except:
log_to_file("Failed to write to users.json at" +
time.strftime("%b %d, %Y - %I:%M:%S"))
except:
log_to_file("Failed to read users.json at" +
time.strftime("%b %d, %Y - %I:%M:%S"))
file = open("./users/users.json", 'w')
file.write("{}")
file.close()
def get_orig_data(self):
"""
download original data from repository
"""
log_to_file(self.logfile, '\n\nget_orig_data')
log_to_file(self.logfile, 'DATA_URL: %s' % DATA_URL)
MAX_TRIES = 5
if self.data_url is None:
print('no URL for original data, cannot download')
print('should be specified in info.json')
return
print('orig data do not exist, downloading...')
output_directory = self.dirs['base']
no_dl = True
ntries = 0
# try several times in case of http error
while no_dl:
try:
filename = wget.download(self.data_url, out=output_directory)
no_dl = False
except HTTPError:
ntries += 1
time.sleep(1) # wait a second
if ntries > MAX_TRIES:
raise Exception('Problem downloading original data')
# save a hash of the tarball for data integrity
filehash = hashlib.md5(open(filename, 'rb').read()).hexdigest()
log_to_file(self.logfile, 'hash of tar file: %s' % filehash)
tarfile_obj = tarfile.open(filename)
tarfile_obj.extractall(path=self.dirs['base'])
os.remove(filename)
def parse_comment(c):
try:
file = open("./data-analyzation/words.json", 'r')
words_json = json.loads(file.read())
file.close()
print("Reading comment " + c.id + " at " +
time.strftime("%b %d, %Y - %I:%M:%S") + " by " + str(c.author))
body = str(c.body.encode('utf-8'))
for w in body.split(' '):
word = str(w.encode('utf-8'))
if "http" in word or "/u/" in word or "/r/" in word or "\\" in word:
continue
for ch in replace_chars:
word = word.replace(ch, '')
if word is not "" and word is not " " and word is not "'" and word is not "," and word is not '\n' and word[
0] is not "'":
if word in words_json.keys():
words_json[word] = int(words_json.get(word)) + 1
else:
words_json[word] = 1
file = open("./data-analyzation/words.json", 'w')
file.write(json.dumps(words_json))
file.close()
except:
log_to_file("Failed to read words.json at " +
time.strftime("%b %d, %Y - %I:%M:%S"))
return
def get_quote_view(request, pk):
t = TranslationRequest.objects.get(pk=pk)
check_stage(t.status, 'selected_content')
if request.method == 'POST':
if request.POST.get('opt'):
t.order_choice = request.POST.get('opt') # TODO: possible security issue?
t.status = 'selected_quote'
t.save()
return HttpResponseRedirect(reverse('admin:order', kwargs={'pk': pk}))
else:
data = prepare_data(t, t.from_lang, t.to_lang)
quote = get_quote(t.provider, data=data)
if log_to_file_enabled():
log_to_file(data)
if t.provider == 'supertext':
res = json.loads(quote)
return render_to_response(
'aldryn_translator/quote.html', {'res': res, 'dev': is_dev()},
context_instance=RequestContext(request))
else:
raise NotImplementedError()
category = sys.argv[2]
test_type = sys.argv[3]
url = sys.argv[4]
status_code = None
result = None
content = None
request_body = None
if category == 'web':
if test_type == 'status_code':
status_code = sys.argv[5]
result = verify_web_status_code(url, status_code)
elif test_type == 'content':
content = sys.argv[5]
result = verify_web_content(url, content)
else:
utils.log_to_file('test type invalid')
elif category == 'service':
request_body = sys.argv[6]
if test_type == 'status_code':
status_code = sys.argv[5]
result = verify_service_status_code(url, request_body, status_code)
elif test_type == 'content':
content = sys.argv[5]
result = verify_service_content(url, request_body, content)
else:
utils.log_to_file('category is invalid')
# write result to respective results file
if not result is None:
write_result(task_id, result)
if result == 0: