def is_summary_directory(self, summary_base_dir, relative_path):
"""
Check if the given summary directory is valid.
Args:
summary_base_dir (str): Path of summary base directory.
relative_path (str): Relative path of summary directory, referring to summary base directory,
starting with "./" .
Returns:
bool, indicates if the given summary directory is valid.
Examples:
>>> from mindinsight.datavisual.data_transform.summary_watcher import SummaryWatcher
>>> summary_watcher = SummaryWatcher()
>>> summaries = summary_watcher.is_summary_directory('/summary/base/dir', './job-01')
"""
if contains_null_byte(summary_base_dir=summary_base_dir, relative_path=relative_path):
return False
if not self._is_valid_summary_directory(summary_base_dir, relative_path):
return False
summary_directory = os.path.realpath(os.path.join(summary_base_dir, relative_path))
try:
entries = os.scandir(summary_directory)
except PermissionError:
logger.error('Path of summary base directory is not accessible.')
raise FileSystemPermissionError('Path of summary base directory is not accessible.')
for entry in entries:
if entry.is_symlink():
continue
summary_pattern = re.search(self.SUMMARY_FILENAME_REGEX, entry.name)
if summary_pattern is not None and entry.is_file():
return True
pb_pattern = re.search(self.PB_FILENAME_REGEX, entry.name)
if pb_pattern is not None and entry.is_file():
return True
profiler_pattern = re.search(self.PROFILER_DIRECTORY_REGEX, entry.name)
if profiler_pattern is not None and entry.is_dir():
full_path = os.path.realpath(os.path.join(summary_directory, entry.name))
if self._is_valid_profiler_directory(full_path)[0]:
return True
return False
def _validate_config(self, config_path):
"""Check config_path."""
config_path = self._normalize_path("config_path", config_path)
try:
with open(config_path, "r") as file:
config_info = yaml.safe_load(file)
except PermissionError as exc:
raise FileSystemPermissionError(
"Can not open config file. Detail: %s." % str(exc))
except Exception as exc:
raise UnknownError("Detail: %s." % str(exc))
self._validate_config_schema(config_info)
config_info['summary_base_dir'] = self._normalize_path(
"summary_base_dir", config_info.get('summary_base_dir'))
self._make_summary_base_dir(config_info['summary_base_dir'])
return config_info
def list_summary_directories(self, summary_base_dir, overall=True):
"""
List summary directories within base directory.
Args:
summary_base_dir (str): Path of summary base directory.
overall (bool): Limit the total num of scanning if overall is False.
Returns:
list, list of summary directory info, each of which including the following attributes.
- relative_path (str): Relative path of summary directory, referring to settings.SUMMARY_BASE_DIR,
starting with "./".
- create_time (datetime): Creation time of summary file.
- update_time (datetime): Modification time of summary file.
- profiler (dict): profiler info, including profiler subdirectory path, profiler creation time and
profiler modification time.
Examples:
>>> from mindinsight.datavisual.data_transform.summary_watcher import SummaryWatcher
>>> summary_watcher = SummaryWatcher()
>>> directories = summary_watcher.list_summary_directories('/summary/base/dir')
"""
if contains_null_byte(summary_base_dir=summary_base_dir):
return []
relative_path = os.path.join('.', '')
if not self._is_valid_summary_directory(summary_base_dir,
relative_path):
return []
summary_dict = {}
counter = Counter(max_count=None if overall else self.MAX_SCAN_COUNT)
try:
entries = os.scandir(summary_base_dir)
except PermissionError:
logger.error('Path of summary base directory is not accessible.')
raise FileSystemPermissionError(
'Path of summary base directory is not accessible.')
for entry in entries:
if len(summary_dict) == self.MAX_SUMMARY_DIR_COUNT:
break
try:
counter.add()
except MaxCountExceededError:
logger.info(
'Stop further scanning due to overall is False and '
'number of scanned files exceeds upper limit.')
break
if entry.is_symlink():
pass
elif entry.is_file():
self._update_summary_dict(summary_dict, summary_base_dir,
relative_path, entry)
elif entry.is_dir():
entry_path = os.path.realpath(
os.path.join(summary_base_dir, entry.name))
self._scan_subdir_entries(summary_dict, summary_base_dir,
entry_path, entry.name, counter)
directories = []
for key, value in summary_dict.items():
directory = {
'relative_path': key,
'profiler': None,
'create_time': value['ctime'],
'update_time': value['mtime'],
}
profiler = value.get('profiler')
if profiler is not None:
directory['profiler'] = {
'directory': profiler['directory'],
'create_time': profiler['ctime'],
'update_time': profiler['mtime'],
}
directories.append(directory)
# sort by update time in descending order and relative path in ascending order
directories.sort(key=lambda x: (-int(x['update_time'].timestamp()), x[
'relative_path']))
return directories
def list_summaries(self, summary_base_dir, relative_path='./'):
"""
Get info of latest summary file within the given summary directory.
Args:
summary_base_dir (str): Path of summary base directory.
relative_path (str): Relative path of summary directory, referring to summary base directory,
starting with "./" .
Returns:
list, list of summary file including the following attributes.
- file_name (str): Summary file name.
- create_time (datetime): Creation time of summary file.
- update_time (datetime): Modification time of summary file.
Examples:
>>> from mindinsight.datavisual.data_transform.summary_watcher import SummaryWatcher
>>> summary_watcher = SummaryWatcher()
>>> summaries = summary_watcher.list_summaries('/summary/base/dir', './job-01')
"""
if contains_null_byte(summary_base_dir=summary_base_dir,
relative_path=relative_path):
return []
if not self._is_valid_summary_directory(summary_base_dir,
relative_path):
return []
summaries = []
summary_directory = os.path.realpath(
os.path.join(summary_base_dir, relative_path))
try:
entries = os.scandir(summary_directory)
except PermissionError:
logger.error('Path of summary directory is not accessible.')
raise FileSystemPermissionError(
'Path of summary directory is not accessible.')
for entry in entries:
if entry.is_symlink() or not entry.is_file():
continue
pattern = re.search(self.SUMMARY_FILENAME_REGEX, entry.name)
if pattern is None:
continue
timestamp = int(pattern.groupdict().get('timestamp'))
try:
# extract created time from filename
ctime = datetime.datetime.fromtimestamp(timestamp).astimezone()
except OverflowError:
continue
try:
stat = entry.stat()
except FileNotFoundError:
logger.warning('File %s not found.', entry.name)
continue
mtime = datetime.datetime.fromtimestamp(stat.st_mtime).astimezone()
summaries.append({
'file_name': entry.name,
'create_time': ctime,
'update_time': mtime,
})
# sort by update time in descending order and filename in ascending order
summaries.sort(
key=lambda x: (-int(x['update_time'].timestamp()), x['file_name']))
return summaries
def query_image_binary(self, train_id, image_path, image_type):
"""
Query image binary content.
Args:
train_id (str): Job ID.
image_path (str): Image path relative to explain job's summary directory.
image_type (str): Image type, 'original' or 'overlay'.
Returns:
bytes, image binary.
"""
abs_image_path = os.path.join(self.job_manager.summary_base_dir,
_clean_train_id_b4_join(train_id),
image_path)
if self._is_forbidden(abs_image_path):
raise FileSystemPermissionError("Forbidden.")
try:
if image_type != "overlay":
# no need to convert
with open(abs_image_path, "rb") as fp:
return fp.read()
image = Image.open(abs_image_path)
if image.mode == _RGBA_MODE:
# It is RGBA already, do not convert.
with open(abs_image_path, "rb") as fp:
return fp.read()
except FileNotFoundError:
raise ImageNotExistError(
f"train_id:{train_id} path:{image_path} type:{image_type}")
except PermissionError:
raise FileSystemPermissionError(
f"train_id:{train_id} path:{image_path} type:{image_type}")
except OSError:
raise UnknownError(
f"Invalid image file: train_id:{train_id} path:{image_path} type:{image_type}"
)
if image.mode == _SINGLE_CHANNEL_MODE:
saliency = np.asarray(image) / _UINT8_MAX
elif image.mode == _RGB_MODE:
saliency = np.asarray(image)
saliency = saliency[:, :, 0] / _UINT8_MAX
else:
raise UnknownError(f"Invalid overlay image mode:{image.mode}.")
saliency_stack = np.empty((saliency.shape[0], saliency.shape[1], 4))
for c in range(3):
saliency_stack[:, :, c] = saliency
rgba = saliency_stack * _SALIENCY_CMAP_HI
rgba += (1 - saliency_stack) * _SALIENCY_CMAP_LOW
rgba[:, :, 3] = saliency * _UINT8_MAX
overlay = Image.fromarray(np.uint8(rgba), mode=_RGBA_MODE)
buffer = io.BytesIO()
overlay.save(buffer, format=_PNG_FORMAT)
return buffer.getvalue()
def list_summary_directories(self, summary_base_dir, overall=True):
"""
List summary directories within base directory.
Args:
summary_base_dir (str): Path of summary base directory.
Returns:
list, list of summary directory info, each of which including the following attributes.
- relative_path (str): Relative path of summary directory, referring to settings.SUMMARY_BASE_DIR,
starting with "./".
- create_time (datetime): Creation time of summary file.
- update_time (datetime): Modification time of summary file.
Examples:
>>> from mindinsight.datavisual.data_transform.summary_watcher import SummaryWatcher
>>> summary_watcher = SummaryWatcher()
>>> directories = summary_watcher.list_summary_directories('/summary/base/dir')
"""
if self._contains_null_byte(summary_base_dir=summary_base_dir):
return []
if not os.path.exists(summary_base_dir):
logger.warning('Path of summary base directory not exists.')
return []
if not os.path.isdir(summary_base_dir):
logger.warning(
'Path of summary base directory is not a valid directory.')
return []
summary_dict = {}
scan_count = 0
try:
entries = os.scandir(summary_base_dir)
except PermissionError:
logger.error('Path of summary base directory is not accessible.')
raise FileSystemPermissionError(
'Path of summary base directory is not accessible.')
for entry in entries:
if len(summary_dict) == self.MAX_SUMMARY_DIR_COUNT:
break
relative_path = os.path.join('.', '')
if entry.is_symlink():
pass
elif entry.is_file():
self._update_summary_dict(summary_dict, relative_path, entry)
elif entry.is_dir():
full_path = os.path.realpath(
os.path.join(summary_base_dir, entry.name))
try:
subdir_entries = os.scandir(full_path)
except PermissionError:
logger.warning(
'Path of %s under summary base directory is not accessible.',
entry.name)
else:
for subdir_entry in subdir_entries:
if len(summary_dict) == self.MAX_SUMMARY_DIR_COUNT:
break
subdir_relative_path = os.path.join('.', entry.name)
if subdir_entry.is_symlink():
pass
elif subdir_entry.is_file():
self._update_summary_dict(summary_dict,
subdir_relative_path,
subdir_entry)
scan_count += 1
if not overall and scan_count >= self.MAX_SCAN_COUNT:
break
scan_count += 1
if not overall and scan_count >= self.MAX_SCAN_COUNT:
logger.info(
'Stop further scanning due to overall is False and '
'number of scanned files exceeds upper limit.')
break
directories = [{
'relative_path': key,
'create_time': value['ctime'],
'update_time': value['mtime'],
} for key, value in summary_dict.items()]
# sort by update time in descending order and relative path in ascending order
directories.sort(key=lambda x: (-int(x['update_time'].timestamp()), x[
'relative_path']))
return directories
