Arbitrary immutulation, not just videos
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README.md
63
README.md
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@ -1,6 +1,6 @@
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# video immutulator
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# The Immutulator
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Rip from video silos into ERIS.
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Ingest files into ERIS.
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It takes a bit of configuring. An example:
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```
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@ -8,48 +8,61 @@ let ?ds = dataspace
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<eris $ds>
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<bind <ref {oid: "eris" key: #x""}> $ds #f>
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<daemon video_immutulator {
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argv: ["/bin/video_immutulator"]
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<daemon immutulator {
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argv: ["/bin/immutulator"]
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protocol: application/syndicate
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}>
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? <eris ?dataspace> $dataspace [
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$dataspace ? <Observe <rec immutulation _ _ _ _> _> [
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$config <require-service <daemon video_immutulator>>
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; require the daemon when immutulating
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$dataspace ? <Observe <rec immutulation _> _> [
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$config <require-service <daemon immutulator>>
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]
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$dataspace ? <Observe <rec yt-dlp [<lit ?url> _]> _> [
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; resolve <immutulation-yt-dlp …> from <immutulation …>
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$dataspace ? <Observe <rec immutulation-yt-dlp [<lit ?url> _ _ _]> _> [
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; temporarily start yt-dlp
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let ?id = <yt-dlp $url>
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$config <require-service <daemon $id>>
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<daemon $id {
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argv: [
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"/bin/json_translator"
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"yt-dlp"
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"--embed-subs"
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"--embed-metadata"
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"--dump-json"
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"--no-simulate"
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"--output" "/tmp/%(id)s.%(ext)s"
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$url
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]
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protocol: application/syndicate
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}>
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; translate the output of yt-dlp --dump-json
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$config ? <built json_translator ?translator _> [
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<daemon $id {
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argv: [
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$translator
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"yt-dlp"
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"--embed-subs"
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"--embed-metadata"
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"--dump-json"
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"--no-simulate"
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"--output" "/tmp/%(id)s.%(ext)s"
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$url
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]
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protocol: application/syndicate
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}>
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]
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$config ? <service-object <daemon $id> ?cap> [
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$cap ? <recv ?json> [
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$dataspace <yt-dlp $url $json>
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; grap the filename out of the received JSON data
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$cap ? <recv {filename: ?filename}> [
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$config <require-service <daemon immutulator>>
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; ask the real immutulator
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$dataspace ? <immutulation $filename ?eris ?size ?mime> [
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; answer the initial observation
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$dataspace <immutulation-yt-dlp $url $eris $size $mime>
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]
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]
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]
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]
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$config [
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? <service-object <daemon video_immutulator> ?cap> [
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? <service-object <daemon immutulator> ?cap> [
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$cap {
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cachefile: "/srv/immutulator.pr"
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dataspace: $dataspace
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stores: [ "coap+tcp://192.168.160.1:5683" ]
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stores: [ "coap+tcp://[::1]:5683" ]
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}
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]
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]
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@ -58,7 +71,7 @@ let ?ds = dataspace
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And I use [syndump](https://git.syndicate-lang.org/ehmry/syndicate_utils#syndump) as a frontend:
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```
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$ SYNDICATE_STEP=$(mintsturdyref '"eris"' < /dev/null) syndump '<immutulation "https://www.youtube.com/watch?v=anwy2MPT5RE" ? ? ?>'
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$ SYNDICATE_STEP=$(mintsturdyref '"eris"' < /dev/null) syndump '<immutulation-yt-dlp "https://www.youtube.com/watch?v=anwy2MPT5RE" ? ? ?>'
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# Output:
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+ "urn:eris:B4A3BWB3NL3AG7JLQZJ3DEOH7G6FYG6LHFH2QTOV5VUEYTMK6NWTQEYVPP2JT2VN5YXXYLKKXR3MOF35DXFKTBOVTR55Z23JQO56D2S4MM" 6030153 video/webm
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@ -1,4 +1,4 @@
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bin = @["video_immutulator"]
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bin = @["immutulator"]
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license = "Unlicense"
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requires: "nim", "syndicate"
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srcDir = "src"
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13
protocol.prs
13
protocol.prs
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@ -1,21 +1,10 @@
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version 1.
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embeddedType EntityRef.Cap .
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Immutulation = <immutulation @source string @erisCap string @length int @mimetype symbol> .
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Immutulation = <immutulation @filePath string @erisCap string @length int @mimetype symbol> .
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BootArgs = {
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cachefile: string
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dataspace: #!any
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stores: [string ...]
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} .
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JSON =
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/ @string string
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/ @integer int
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/ @double double
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/ @boolean bool
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/ @null =null
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/ @array [JSON ...]
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/ @object { symbol: JSON ...:... } .
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YtDlp = <yt-dlp @url string @dump { symbol: JSON ...:... }> .
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@ -3,7 +3,7 @@ let
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pkgs =
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import <nixpkgs> { overlays = (builtins.attrValues syndicate.overlays); };
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in pkgs.nimPackages.buildNimPackage (finalAttrs: prevAttrs: {
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pname = "video_immutulator";
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pname = "immutulator";
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version = "unstable";
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nativeBuildInputs = [ pkgs.pkg-config ];
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propagatedBuildInputs = [ pkgs.nimPackages.getdns ];
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@ -1,4 +1,4 @@
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include_rules
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: foreach ../*.prs |> !preserves_schema_nim |> {schema}
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: video_immutulator.nim | $(SYNDICATE_PROTOCOL) {schema} |> !nim_bin |> {bin}
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: immutulator.nim | $(SYNDICATE_PROTOCOL) {schema} |> !nim_bin |> {bin}
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: {bin} |> !assert_built |>
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@ -10,10 +10,10 @@ import ./protocol
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type Observe = dataspace.Observe[Cap]
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proc immutulate(turn: var Turn; ds: Cap; store: ErisStore; source: string, cacheStream: Stream) =
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onPublish(turn, ds, YtDlp ? {0: ?source, 1: grab()}) do (info: Preserve[void]):
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proc immutulate(turn: var Turn; ds: Cap; store: ErisStore; filePath: string, cacheStream: Stream) =
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if fileExists(filePath):
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stderr.writeLine "immutulate ", filePath
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let
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filePath = info["filename".toSymbol].string
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fileSize = filePath.getFileInfo.size
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mimeTypes = mimeTypeOf(filePath)
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fileStream = openFileStream(filePath)
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ingest.cap.addCallback(turn) do (turn: var Turn; ec: ErisCap):
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var rec = initRecord(
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"immutulation",
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source.toPreserve(Cap),
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filePath.toPreserve(Cap),
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($ec).toPreserve(Cap),
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fileSize.toPreserve(Cap),
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mimeType.toSymbol(Cap),
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discard publish(turn, ds, rec)
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cacheStream.writeLine($rec)
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cacheStream.flush()
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else:
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stderr.writeLine "cannot immutulate file that does not exist: ", filePath
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runActor("video_immutulator") do (root: Cap; turn: var Turn):
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runActor("immutulator") do (root: Cap; turn: var Turn):
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connectStdio(root, turn)
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during(turn, root, ?BootArgs) do (cachefile: string, ds: Cap, stores: seq[string]):
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let cacheStream = openFileStream(cachefile, fmAppend)
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@ -50,8 +52,8 @@ runActor("video_immutulator") do (root: Cap; turn: var Turn):
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store.add(c)
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let pat = ?Observe(pattern: !Immutulation) ?? {0: grabLit()}
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during(turn, ds, pat) do (source: string):
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immutulate(turn, ds, store, source, cacheStream)
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during(turn, ds, pat) do (filePath: string):
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immutulate(turn, ds, store, filePath, cacheStream)
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do:
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close(store)
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@ -1,57 +1,21 @@
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import
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preserves, std/tables
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preserves
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type
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YtDlp* {.acyclic, preservesRecord: "yt-dlp".} = ref object
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`url`*: string
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`dump`*: Table[Symbol, JSON]
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BootArgs* {.preservesDictionary.} = object
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`cachefile`*: string
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`dataspace`* {.preservesEmbedded.}: Preserve[void]
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`stores`*: seq[string]
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JSONKind* {.pure.} = enum
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`string`, `integer`, `double`, `boolean`, `null`, `array`, `object`
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JSONString* = string
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JSONInteger* = BiggestInt
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JSONDouble* = float64
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JSONBoolean* = bool
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JSONArray* = seq[JSON]
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JSONObject* = Table[Symbol, JSON]
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`JSON`* {.acyclic, preservesOr.} = ref object
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case orKind*: JSONKind
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of JSONKind.`string`:
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`string`*: JSONString
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of JSONKind.`integer`:
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`integer`*: JSONInteger
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of JSONKind.`double`:
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`double`*: JSONDouble
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of JSONKind.`boolean`:
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`boolean`*: JSONBoolean
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of JSONKind.`null`:
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`null`* {.preservesLiteral: "null".}: bool
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of JSONKind.`array`:
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`array`*: JSONArray
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of JSONKind.`object`:
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`object`*: JSONObject
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Immutulation* {.preservesRecord: "immutulation".} = object
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`source`*: string
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`filePath`*: string
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`erisCap`*: string
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`length`*: BiggestInt
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`mimetype`*: Symbol
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proc `$`*(x: YtDlp | BootArgs | JSON | Immutulation): string =
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proc `$`*(x: BootArgs | Immutulation): string =
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`$`(toPreserve(x))
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proc encode*(x: YtDlp | BootArgs | JSON | Immutulation): seq[byte] =
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proc encode*(x: BootArgs | Immutulation): seq[byte] =
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encode(toPreserve(x))
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