mirror of
https://github.com/storytold/effectcraft.git
synced 2026-11-10 20:41:25 +00:00
Valentin Klein
bb78d55825
Add After Effects project import with bounded parsing, explicit loss reports, and regression coverage. Fetch the cleaned external test corpus at commit 97262276f625afdeeb61787e4cbb74b3f17af510 and verify each fixture against the pinned SHA-256 manifest.
38 lines
1.7 KiB
Python
38 lines
1.7 KiB
Python
# Fixture hygiene for a combined file, as done for the single fixtures: footage alias JSON with a
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# same-length neutral path, host name HOST000, neutral ascend counts; XMP replaced by the base
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# project's packet. Usage: scrub.py <in.aep> <out.aep> <000-base.aep>
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import re, sys, zlib
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src, dst, base_path = sys.argv[1], sys.argv[2], sys.argv[3]
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d = bytes(open(src, 'rb').read())
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BS2 = bytes([92, 92]) # a JSON-escaped backslash
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def fix(m):
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js = m.group(0)
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full = re.search(rb'"fullpath":"(.*?)"', js).group(1)
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name = full.split(BS2)[-1]
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pre = b'C:' + BS2 + b'fixtures' + BS2
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mid = len(full) - len(pre) - len(BS2) - len(name)
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neutral = pre + (b'dir' * 200)[:mid] + BS2 + name
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out = js.replace(full, neutral)
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out = re.sub(rb'"server_name":"([^"]*)"', lambda n: b'"server_name":"' + (b'HOST' + b'0' * 64)[:len(n.group(1))] + b'"', out)
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out = re.sub(rb'"ascendcount_base":\d', b'"ascendcount_base":1', out)
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out = re.sub(rb'"ascendcount_target":\d', b'"ascendcount_target":2', out)
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assert len(out) == len(js)
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return out
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d, n = re.subn(rb'\{"ascendcount_base".*?\}', fix, d)
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print('aliases scrubbed', n)
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base = open(base_path, 'rb').read()
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xi = d.find(b'<?xpacket begin')
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xj = base.find(b'<?xpacket begin')
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assert xi >= 0, 'the saved project has no XMP packet'
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assert xj >= 0, 'the base project has no XMP packet'
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out = d[:xi] + base[xj:]
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# Local folder and machine names that must not remain (comma-separated, from the environment so
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# that they are not written here): e.g. SCRUB_FORBID=<folder name>,<host name prefix>.
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import os
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for bad in [w.encode() for w in os.environ.get('SCRUB_FORBID', '').split(',') if w]:
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assert bad not in out, bad
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open(dst, 'wb').write(out)
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print('raw', len(out), 'zlib', len(zlib.compress(out, 9)))
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