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Argparse hack to show required arguments before optional

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Nichlas Severinsen 2019-11-02 22:16:34 +01:00
parent 44674ca62e
commit d229015710
2 changed files with 19 additions and 14 deletions
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23
README.md
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@ -41,26 +41,27 @@ This will essentially automatically do the manual method for you.
## How do I use it?
First off, even before you install libray, you will need a compatible Blu-Ray drive that can read PS3 discs.
There's a compiled list of compatible drives here: [https://rpcs3.net/quickstart](https://rpcs3.net/quickstart) ([archive](https://web.archive.org/web/20190801060739/https://rpcs3.net/quickstart]))
```
usage: libray [-h] -i ISO [-o OUTPUT] [-k IRD] [-v]
A Libre (FLOSS) Python application for unencrypting, extracting, repackaging,
and encrypting PS3 ISOs
required arguments:
-i ISO, --iso ISO Path to .iso file or stream
optional arguments:
-h, --help show this help message and exit
-v, --verbose Increase verbosity
-o OUTPUT, --output OUTPUT
Output filename
-k IRD, --ird IRD Path to .ird file
-v, --verbose Increase verbosity
required arguments:
-i ISO, --iso ISO Path to .iso file
```
You need to use an appropriate blu-ray drive: https://rpcs3.net/quickstart (see "Compatible Blu-ray disc drives section").
First off, even before you install libray, you will need a compatible Blu-Ray drive that can read PS3 discs.
There's a compiled list of compatible drives here: [https://rpcs3.net/quickstart](https://rpcs3.net/quickstart) ([archive](https://web.archive.org/web/20190801060739/https://rpcs3.net/quickstart])) (see "Compatible Blu-ray disc drives section").
On some systems (eg. Linux), you can decrypt directly from the disc.
@ -116,11 +117,13 @@ sudo pip uninstall pycrypto
sudo pip install pycrypto
```
If you get any other errors, or have any other problem with libray, please [create an issue](https://notabug.org/necklace/libray/issues/new)!
## Development
[see also](http://www.psdevwiki.com/ps3/Bluray_disc#Encryption) ([archive.fo](https://archive.fo/hN1E6))
[7bit encoded int / RLE / CLP](https://github.com/Microsoft/referencesource/blob/master/mscorlib/system/io/binaryreader.cs#L582-L600)
[7bit encoded int / RLE / CLP](https://github.com/microsoft/referencesource/blob/1acafe20a789a55daa17aac6bb47d1b0ec04519f/mscorlib/system/io/binaryreader.cs#L582-L600)
clp = compressed length prefix