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FZip is an Actionscript 3 class library to load, modify and create standard ZIP archives.
If FZip is used to download a zip file, the original zip file's bytes are inaccessible. For example, these bytes could be used to generate a checksum to validate the download.
We should be able to get at these bytes via some sort of property, e.g.
public function get rawbytes():IDataInput;
The loadBytes method of FZip should take an IDataInput rather than a ByteArray. That is,
public function loadBytes(bytes:IDataInput):void
Right now, there's no method we can call on FZip if all we have is an IDataInput. For example, if we're downloading the file ourselves with URLStream.
Line 91: newextra = struct.pack("<2HI",0xdada,0x0004,adler32)
results in
sys:1: DeprecationWarning: struct integer overflow masking is deprecated
sys:1: DeprecationWarning: 'I' format requires 0 <= number <= 4294967295
on OS X 10.6 with Python 2.6 and a zip file created with MacPorts zip.
Changing the format to use a lowercase i from I makes the error go away, as adler32 returns signed integers. Is that a safe change?
Here is the broken archive sample - http://mail.moscow.stalker.com/~maxim/steelblue.zip
Hello,
have you ever tried to manage a 400+Mb zip? How does the library work?
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