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fatfsparse.py: add cluster chaining support to enable reading longer-than-sector files

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Closes IDF-4975
This commit is contained in:
Martin Gano
2022-04-04 15:33:00 +02:00
committed by Martin Gaňo
parent 64b6733349
commit 8ef66536ed
18 changed files with 368 additions and 62 deletions
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23
components/fatfs/test_fatfsgen/test_utils.py
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@@ -42,3 +42,26 @@ def generate_test_dir_2() -> None:
def fill_sector(fatfs: fatfsgen.FATFS, file_prefix: str = 'A') -> None:
for i in range(CFG['sector_size'] // CFG['entry_size']):
fatfs.create_file(f'{file_prefix}{str(i).upper()}', path_from_root=['TESTFOLD'])
def generate_local_folder_structure(structure_: dict, path_: str) -> None:
if structure_['type'] == 'folder':
new_path_ = os.path.join(path_, structure_['name'])
os.makedirs(new_path_)
for item_ in structure_['content']:
generate_local_folder_structure(item_, new_path_)
else:
new_path_ = os.path.join(path_, structure_['name'])
with open(new_path_, 'w') as f_:
f_.write(structure_['content'])
def compare_folders(fp1: str, fp2: str) -> bool:
if os.path.isdir(fp1) != os.path.isdir(fp2):
return False
if os.path.isdir(fp1):
if set(os.listdir(fp1)) != set(os.listdir(fp2)):
return False
return all([compare_folders(os.path.join(fp1, path_), os.path.join(fp2, path_)) for path_ in os.listdir(fp1)])
with open(fp1, 'rb') as f1_, open(fp2, 'rb') as f2_:
return f1_.read() == f2_.read()