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Solve issue with datetime out of range of ZIP archive specification #13

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Solve issue with datetime out of range of ZIP archive specification #13

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16 changes: 11 additions & 5 deletions zipstream/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -213,16 +213,16 @@ def comment(self, comment):
self._comment = comment
self._didModify = True

def write(self, filename, arcname=None, compress_type=None):
def write(self, filename, arcname=None, compress_type=None, strict_timestamps=True):
# TODO: Reflect python's Zipfile.write
# - if filename is file, write as file
# - if filename is directory, write an empty directory
kwargs = {'filename': filename, 'arcname': arcname, 'compress_type': compress_type}
kwargs = {'filename': filename, 'arcname': arcname, 'compress_type': compress_type, 'strict_timestamps': strict_timestamps}
self.paths_to_write.append(kwargs)

def write_iter(self, arcname, iterable, compress_type=None, buffer_size=None, date_time=None):
def write_iter(self, arcname, iterable, compress_type=None, buffer_size=None, date_time=None, strict_timestamps=True):
"""Write the bytes iterable `iterable` to the archive under the name `arcname`."""
kwargs = {'arcname': arcname, 'iterable': iterable, 'compress_type': compress_type, 'buffer_size': buffer_size, 'date_time': date_time}
kwargs = {'arcname': arcname, 'iterable': iterable, 'compress_type': compress_type, 'buffer_size': buffer_size, 'date_time': date_time, 'strict_timestamps': strict_timestamps}
self.paths_to_write.append(kwargs)

def writestr(self, arcname, data, compress_type=None, buffer_size=None, date_time=None):
Expand All @@ -233,7 +233,7 @@ def _iterable():
yield data
return self.write_iter(arcname, _iterable(), compress_type=compress_type, buffer_size=buffer_size, date_time=date_time)

def __write(self, filename=None, iterable=None, arcname=None, compress_type=None, buffer_size=None, date_time=None):
def __write(self, filename=None, iterable=None, arcname=None, compress_type=None, buffer_size=None, date_time=None, strict_timestamps=True):
"""Put the bytes from filename into the archive under the name
`arcname`."""
if not self.fp:
Expand All @@ -253,6 +253,12 @@ def __write(self, filename=None, iterable=None, arcname=None, compress_type=None
date_time = date_time[0:6]
if date_time is None:
date_time = time.localtime()[0:6]

if not strict_timestamps and date_time[0] < 1980:
date_time = (1980, 1, 1, 0, 0, 0)
elif not strict_timestamps and date_time[0] > 2107:
date_time = (2107, 12, 31, 23, 59, 59)

# Create ZipInfo instance to store file information
if arcname is None:
arcname = filename
Expand Down