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Fix loading problem for some of darknet's models, i.e. assert end_point <= self.size #836

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Fix loading problem for some of darknet's models, i.e. assert end_point <= self.size #836

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23 changes: 19 additions & 4 deletions darkflow/utils/loader.py
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Original file line number Diff line number Diff line change
Expand Up @@ -114,11 +114,26 @@ def __init__(self, path):
return
else:
self.size = os.path.getsize(path)# save the path
major, minor, revision, seen = np.memmap(path,
major, minor, revision = np.memmap(path,
shape = (), mode = 'r', offset = 0,
dtype = '({})i4,'.format(4))
dtype = '({})i4,'.format(3))

self.offset = 12

if major * 10 + minor >= 2:
# Reading version >= 2
seen = np.memmap(path,
shape = (), mode = 'r', offset = 12,
dtype = '({})i8,'.format(1))
self.offset += 8
else:
# Reading version >= 2
seen = np.memmap(path,
shape = (), mode = 'r', offset = 12,
dtype = '({})i4,'.format(1))
self.offset += 4

self.transpose = major > 1000 or minor > 1000
self.offset = 16

def walk(self, size):
if self.eof: return None
Expand Down Expand Up @@ -149,4 +164,4 @@ def model_name(file_path):
num = int(file_name[-1])
return '-'.join(file_name[:-1])
if ext == 'weights':
return file_name
return file_name