def __init__(self, src_path, dst_path, photoHandler, dirFilter=None,
fileFilter=None):
self.src_path = src_path
self.dst_path = dst_path
self.dirFilter = dirFilter
self.fileFilter = fileFilter
self.photoHandler = photoHandler
self.stat_collector = StatCollector()
class PhotoBackuper(object):
def __init__(self, src_path, dst_path, photoHandler, dirFilter=None,
fileFilter=None):
self.src_path = src_path
self.dst_path = dst_path
self.dirFilter = dirFilter
self.fileFilter = fileFilter
self.photoHandler = photoHandler
self.stat_collector = StatCollector()
def _join_path(self, pre_path, post_path):
if type(post_path) == list:
return map(lambda x: os.path.join(pre_path, x), post_path)
else:
return os.path.join(pre_path, post_path)
def _remove_base_path(full_path, base):
return full_path.split(base)[1]
def _make_dir(self, dir_path):
if not os.path.genericpath.exists(dir_path): # dir not exists yet
os.makedirs(dir_path)
else:
print 'directory %s already exists.' % dir_path
def _update_stat(self, stat_value, stat_type):
self.stat_collector.update_stat(stat_value, stat_type)
def print_stat(self):
print self.stat_collector
def _make_new_path(self, root_path):
added_path = os.path.relpath(root_path, self.src_path)
return self._join_path(self.dst_path, added_path)
def _filter(self, data_list, filter_type):
try:
filter_inst = getattr(self, filter_type + 'Filter')
except AttributeError as err:
raise NotImplementedError
return data_list
if filter_inst is not None:
filter_stat, output = filter_inst(data_list)
self._update_stat(filter_stat, filter_type)
return output
else:
return data_list
def get_dirs_list(self):
# content of top hierarchy dir (src_path dir)
src_dir_content = self._join_path(self.src_path, os.listdir(self.src_path))
full_dir_list = filter(os.path.isdir, src_dir_content)
# filter top hierarchy dirs only
allowed_dirs = self._filter(full_dir_list, 'dir')
dirs_list = []
for i in allowed_dirs: # collect dirs inside allowed dirs
dirs_list.extend([root for root, dirs, files in os.walk(i)])
if dirs_list:
return dirs_list
else:
# if src_path directory has no dirs inside,
# return this path itself to find some files inside
return [self.src_path,]
def get_files_list(self, dir_path):
# file names from dir_path
files_names = os.listdir(dir_path)
files_list = filter(os.path.isfile, self._join_path(dir_path, files_names))
filtered_files = self._filter(files_list, 'file')
return filtered_files
def process_image(self, file_path, dst_file_path):
is_processed = self.photoHandler(file_path, dst_file_path)
if is_processed:
self._update_stat(1, 'processed')
else:
self._update_stat(1, 'failed')
@timer
def backup(self):
for dir_path in self.get_dirs_list():
new_dir_path = self._make_new_path(dir_path)
files_list = self.get_files_list(dir_path)
if files_list:
self._make_dir(new_dir_path)
for file_path in files_list:
dst_file_path = self._make_new_path(file_path)
print "converting: %s -> %s" % (file_path, dst_file_path)
self.process_image(file_path, dst_file_path)
self.print_stat()