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storage: replace assert in append() with named exception

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for nicer bug reports

related https://github.com/spesmilo/electrum/issues/8664
This commit is contained in:
SomberNight
2024-01-17 20:20:24 +00:00
parent 49c3567d7d
commit c178be74b7
1 changed files with 5 additions and 1 deletions
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6
electrum/storage.py
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@@ -54,6 +54,9 @@ class StorageEncryptionVersion(IntEnum):
class StorageReadWriteError(Exception): pass class StorageReadWriteError(Exception): pass
class StorageOnDiskUnexpectedlyChanged(Exception): pass
# TODO: Rename to Storage # TODO: Rename to Storage
class WalletStorage(Logger): class WalletStorage(Logger):
@@ -108,7 +111,8 @@ class WalletStorage(Logger):
assert not self.is_encrypted() assert not self.is_encrypted()
with open(self.path, "rb+") as f: with open(self.path, "rb+") as f:
pos = f.seek(0, os.SEEK_END) pos = f.seek(0, os.SEEK_END)
assert pos == self.pos, (self.pos, pos) if pos != self.pos:
raise StorageOnDiskUnexpectedlyChanged(f"expected size {self.pos}, found {pos}")
f.write(data.encode("utf-8")) f.write(data.encode("utf-8"))
self.pos = f.seek(0, os.SEEK_END) self.pos = f.seek(0, os.SEEK_END)
f.flush() f.flush()