One-command install + launchd agent for deploying to another Mac
Answers "do we have to start the server in terminal?" -- no. install.sh installs
deps and registers a launchd agent with RunAtLoad + KeepAlive, so the daemon
starts at login and comes back if it dies. Verified by killing the process: back
up and serving within seconds under a new pid. Deploying to the M3 Air is then:
git clone ssh://git@100.71.119.27:222/monster/yourovo.git
cd yourovo/mac && ./install.sh
Also revises the A/B/C recommendation. Grepping the extension shows it calls only
six endpoints: /status, /write-tag, /read-tag (all served here) plus /weight,
/scale/start, /scale/stop (the DYMO M10 postal scale, Node-only). So the gap to a
single service is the scale and nothing else -- which makes option B (Node on
:7791 with this one proxying) the wrong trade: one URL but two processes, two
dependency stacks and two things to keep alive, against a stated goal of one
button on a second machine.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
type-two
parent
6d9a49ea42
commit
d4b16c075b
@ -42,13 +42,29 @@ PRINT <set>, <copy> # note the space after the co
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All plain ASCII, one command per line, CRLF-terminated. `writeUHF("H",2,12,"E",epc)`
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emits exactly `UHF WRITE H,2,12,E,"<24 hex chars>"`.
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## Setup
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## Install on a new Mac (one command)
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```bash
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./setup.sh # brew install libusb + venv with pyusb/pillow/segno
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git clone ssh://git@100.71.119.27:222/monster/yourovo.git
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cd yourovo/mac && ./install.sh
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```
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Then double-click **`start-daemon.command`** (leave it open while you work).
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That installs libusb + the venv, then registers a **launchd agent** so the daemon starts
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at login and restarts itself if it ever dies. **No Terminal window to keep open, and
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nothing to click** — after this it is simply always running. Verified: `kill` the process
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and launchd has it serving again within seconds.
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Re-run `./install.sh` any time to pull the latest commit and reload. `./install.sh
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uninstall` removes the agent.
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| | |
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|---|---|
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| logs | `tail -f ~/Library/Logs/pricegod-labeld.log` |
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| restart | `launchctl kickstart -k gui/$(id -u)/com.pricegod.labeld` |
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| check | `curl -s localhost:7790/devices` |
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For a foreground run while developing (agent must be stopped first), use `./setup.sh`
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then double-click **`start-daemon.command`**.
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## Files
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@ -106,9 +122,21 @@ handles this, and the resolution difference (203 vs 300 dpi) comes from `profile
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(`CF [ADDR] [CMD] [LEN] [DATA] [CRC16]` @115200) plus the postal-scale and inventory
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routes, none of which this service implements — so it is *not* a full replacement.
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Pick one of: run this on `--port 7791`; keep the Chafon daemon for the gun and run this
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one elsewhere; or fold the Chafon protocol in here. Unresolved — decide before wiring the
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extension.
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The extension calls only six endpoints:
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| endpoint | owner today |
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|---|---|
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| `/status` `/write-tag` `/read-tag` | ✅ this service |
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| `/weight` `/scale/start` `/scale/stop` | ❌ Node only — DYMO M10 postal scale over USB HID |
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So the gap to a genuinely single service is **the postal scale, and nothing else**. Once
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`/weight` and `/scale/*` are ported here (the M10 is USB HID `0922:8003/8004`; the parsing
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is ~130 lines of `index.js`), the Node daemon can be retired for the extension's purposes
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and there is one process, one venv, one launchd agent.
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Until then the honest position is: two services, or no scale. Running this one on
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`--port 7791` behind the Node daemon works but gives one URL and *two* processes, which
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defeats the point of a single launchd agent.
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## Media profiles
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79
mac/install.sh
Executable file
79
mac/install.sh
Executable file
@ -0,0 +1,79 @@
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#!/bin/bash
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# One-command install on a fresh Apple Silicon Mac.
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#
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# git clone ssh://git@100.71.119.27:222/monster/yourovo.git
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# cd yourovo/mac && ./install.sh
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#
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# Installs dependencies, then registers a launchd agent so the daemon starts at login
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# and restarts itself if it dies. No Terminal needed after this, ever.
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#
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# Re-runnable: pulls the latest commit and reloads the agent.
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set -e
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cd "$(dirname "$0")"
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HERE="$(pwd -P)"
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LABEL="com.pricegod.labeld"
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PLIST="$HOME/Library/LaunchAgents/$LABEL.plist"
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LOG="$HOME/Library/Logs/pricegod-labeld.log"
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case "${1:-install}" in
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uninstall)
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launchctl bootout "gui/$(id -u)/$LABEL" 2>/dev/null || true
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rm -f "$PLIST"
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echo "removed $LABEL"
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exit 0
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;;
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esac
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echo "==> updating from git"
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git -C "$HERE/.." pull --ff-only 2>/dev/null || echo " (skipped -- not a clean fast-forward)"
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echo "==> dependencies"
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./setup.sh
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echo "==> launchd agent"
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mkdir -p "$(dirname "$PLIST")" "$(dirname "$LOG")"
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cat > "$PLIST" <<PLISTEOF
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"
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"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>Label</key> <string>$LABEL</string>
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<key>ProgramArguments</key>
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<array>
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<string>$HERE/venv/bin/python</string>
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<string>$HERE/daemon.py</string>
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</array>
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<key>WorkingDirectory</key> <string>$HERE</string>
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<key>RunAtLoad</key> <true/>
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<key>KeepAlive</key> <true/>
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<key>ProcessType</key> <string>Interactive</string>
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<key>StandardOutPath</key> <string>$LOG</string>
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<key>StandardErrorPath</key> <string>$LOG</string>
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</dict>
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</plist>
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PLISTEOF
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launchctl bootout "gui/$(id -u)/$LABEL" 2>/dev/null || true
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launchctl bootstrap "gui/$(id -u)" "$PLIST"
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launchctl kickstart -k "gui/$(id -u)/$LABEL"
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echo "==> waiting for the daemon"
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for i in $(seq 1 20); do
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if curl -fsS -m 2 http://localhost:7790/ >/dev/null 2>&1; then
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echo
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curl -s http://localhost:7790/devices
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echo
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echo
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echo "OK -- running on http://localhost:7790/ and will start at every login."
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echo " logs: tail -f $LOG"
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echo " restart: launchctl kickstart -k gui/$(id -u)/$LABEL"
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echo " uninstall: ./install.sh uninstall"
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exit 0
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fi
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sleep 0.5
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done
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echo "daemon did not come up -- check $LOG" >&2
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tail -20 "$LOG" 2>/dev/null || true
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exit 1
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