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Extract the number of expected records even if default way to read it fails #3

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Extract the number of expected records even if default way to read it fails #3

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24 changes: 19 additions & 5 deletions epf/parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -51,11 +51,25 @@ def parse(path):
def parse_file(f, name):
f.seek(-40, os.SEEK_END)

records_expected = int(
f.read().decode('utf8')
.rpartition('#recordsWritten:')[2]
.rpartition(record_delim)[0]
)
records_expected = None
try:
records_expected = int(
f.read().decode('utf8')
.rpartition('#recordsWritten:')[2]
.rpartition(record_delim)[0]
)
except UnicodeDecodeError:
f.seek(-40, os.SEEK_END)
content = f.read()
while not records_expected:
try:
records_expected = int(
content.decode('utf8')
.rpartition('#recordsWritten:')[2]
.rpartition(record_delim)[0]
)
except UnicodeDecodeError:
content = content[1:]
log.debug('Records expected: %s', records_expected)

f.seek(0)
Expand Down