69 lines
3.0 KiB
Python
69 lines
3.0 KiB
Python
 
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#!/usr/bin/env python3
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"""Build the "quiet" Tascam DA-6400 Companion module (1.3.1-quiet) from the stock 1.3.0.
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The stock module polls the recorder every 200 ms. The recorder rejects one of those polls
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with an "F2 Illegal Status" reply, and the module logs a warning for every reply: about
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430,000 warnings a day in Companion's log. This build logs it at most once a minute and
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names the commands that were just sent. Nothing else changes.
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On NA Ingest the stock module is in
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~/Library/Application Support/companion/modules/tascam-da-6400-1.3.0
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python3 make_quiet_tascam.py <stock module folder> <output folder>
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Writes <output folder>/tascam-da-6400-1.3.1-quiet.tgz. Import it in Companion under
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Modules -> Import module package, then pick 1.3.1-quiet on the Tascam connection.
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"""
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import json
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import os
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import shutil
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import sys
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import tarfile
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import tempfile
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VERSION = "1.3.1-quiet"
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PATCHES = [
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# remember the last two commands sent, so the warning can name the rejected one
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("return this.socket.send(e+c),!0",
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"return this.spSent=[(this.spSent||[]).slice(-1)[0],e].filter(Boolean),this.socket.send(e+c),!0"),
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# log "Illegal Status" at most once a minute, with a count
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('case n.illegalStatus:this.log("warn",`Illegal Status: Invalid Command ${t.substr(3)}`);break;',
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'case n.illegalStatus:{const q=Date.now();this.spIllegal=(this.spIllegal||0)+1;'
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'if(!this.spIllegalAt||q-this.spIllegalAt>6e4){this.log("warn",`Illegal Status: Invalid Command '
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'${t.substr(3)} (last commands sent: ${(this.spSent||[]).join(", ")}; ${this.spIllegal} rejected '
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'since the last report - reported at most once a minute)`);this.spIllegalAt=q;this.spIllegal=0}}break;'),
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]
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def build(src, out_dir):
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with tempfile.TemporaryDirectory() as tmp:
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dst = os.path.join(tmp, "tascam-da-6400")
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shutil.copytree(src, dst)
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main = os.path.join(dst, "main.js")
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code = open(main, encoding="utf-8").read()
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for old, new in PATCHES:
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if code.count(old) != 1:
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sys.exit("main.js does not look like the stock 1.3.0 module (patch anchor not found)")
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code = code.replace(old, new)
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open(main, "w", encoding="utf-8").write(code)
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for name in ("companion/manifest.json", "package.json"):
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path = os.path.join(dst, name)
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data = json.load(open(path))
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data["version"] = VERSION
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json.dump(data, open(path, "w"), indent="\t")
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with open(os.path.join(dst, "companion/HELP.md"), "a") as f:
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f.write("\n\n## %s (Waters Church build)\n\nSame as 1.3.0, except the recorder's "
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"\"Illegal Status\" reply is logged at most once a minute, with the commands "
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"that were just sent, instead of 5 times a second.\n" % VERSION)
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out = os.path.join(out_dir, "tascam-da-6400-%s.tgz" % VERSION)
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with tarfile.open(out, "w:gz") as tar:
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tar.add(dst, arcname="tascam-da-6400")
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print(out)
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if __name__ == "__main__":
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if len(sys.argv) != 3:
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sys.exit(__doc__)
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build(sys.argv[1], sys.argv[2])
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