micropython/tests/io/file_seek.py

35 wiersze
560 B
Python
Czysty Zwykły widok Historia

2014-11-16 22:16:14 +00:00
f = open("io/data/file1", "rb")
print(f.seek(6))
print(f.read(5))
print(f.tell())
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print(f.seek(0, 1))
print(f.read(4))
print(f.tell())
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print(f.seek(-6, 2))
print(f.read(20))
print(f.tell())
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print(f.seek(0, 0))
print(f.read(5))
print(f.tell())
f.close()
# test text mode
f = open("io/data/file1", "rt")
print(f.seek(6))
print(f.read(5))
print(f.tell())
f.close()
2015-12-23 22:37:02 +00:00
# seek closed file
f = open('io/data/file1', 'r')
f.close()
try:
f.seek(1)
except (OSError, ValueError):
# CPy raises ValueError, uPy raises OSError
print('OSError or ValueError')