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[models] Add support for Manifest version 21

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This adds an uninstall "action". As yet unused.

Not sure if the order is correct, we'll have to see.
(Legendary won't support it until Epic does anyway)
This commit is contained in:
derrod 2022-10-26 15:16:25 +02:00
parent 36e6e5f08a
commit ddb7e1c3ca
1 changed files with 10 additions and 4 deletions
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14
legendary/models/manifest.py
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@ -221,6 +221,8 @@ class ManifestMeta:
self.prereq_name = ''
self.prereq_path = ''
self.prereq_args = ''
self.uninstall_action_path = ''
self.uninstall_action_args = ''
# this build id is used for something called "delta file" which I guess I'll have to implement eventually
self._build_id = ''
@ -265,9 +267,13 @@ class ManifestMeta:
_meta.prereq_path = read_fstring(bio)
_meta.prereq_args = read_fstring(bio)
# apparently there's a newer version that actually stores *a* build id.
if _meta.data_version > 0:
# Manifest version 18 with data version >= 1 stores build ID
if _meta.data_version >= 1:
_meta._build_id = read_fstring(bio)
# Manifest version 21 with data version >= 2 stores uninstall commands
if _meta.data_version >= 2:
_meta.uninstall_action_path = read_fstring(bio)
_meta.uninstall_action_args = read_fstring(bio)
if (size_read := bio.tell()) != _meta.meta_size:
logger.warning(f'Did not read entire manifest metadata! Version: {_meta.data_version}, '
@ -569,7 +575,7 @@ class FML:
logger.warning(f'Did not read {diff} bytes from chunk part!')
bio.seek(diff)
# MD5 hash + MIME type
# MD5 hash + MIME type (Manifest feature level 19)
if _fml.version >= 1:
for fm in _fml.elements:
_has_md5 = struct.unpack('<I', bio.read(4))[0]
@ -579,7 +585,7 @@ class FML:
for fm in _fml.elements:
fm.mime_type = read_fstring(bio)
# SHA256 hash
# SHA256 hash (Manifest feature level 20)
if _fml.version >= 2:
for fm in _fml.elements:
fm.hash_sha256 = bio.read(32)