improve api scripts resiliency

Signed-off-by: Vladimir Mandic <mandic00@live.com>

cli/api-control.js

@@ -0,0 +1,50 @@
+#!/usr/bin/env node
+
+// simple nodejs script to test sdnext api
+
+const fs = require('fs');
+const process = require('process');
+
+const sd_url = process.env.SDAPI_URL || 'http://127.0.0.1:7860';
+const sd_username = process.env.SDAPI_USR;
+const sd_password = process.env.SDAPI_PWD;
+const sd_options = {
+  // first pass
+  prompt: 'beautiful lady, in the steampunk style',
+  negative_prompt: 'foggy, blurry',
+  seed: -1,
+  steps: 20,
+  batch_size: 1,
+  n_iter: 1,
+  cfg_scale: 6,
+  width: 1280,
+  height: 800,
+  // api return options
+  save_images: false,
+  send_images: true,
+  script_name: 'pulid',
+};
+
+async function main() {
+  const method = 'POST';
+  const headers = new Headers();
+  const body = JSON.stringify(sd_options);
+  headers.set('Content-Type', 'application/json');
+  if (sd_username && sd_password) headers.set({ Authorization: `Basic ${btoa('sd_username:sd_password')}` });
+  const res = await fetch(`${sd_url}/sdapi/v1/txt2img`, { method, headers, body });
+
+  if (res.status !== 200) {
+    console.log('Error', res.status);
+  } else {
+    const json = await res.json();
+    console.log('result:', json.info);
+    for (const i in json.images) { // eslint-disable-line guard-for-in
+      const file = `/tmp/test-${i}.jpg`;
+      const data = atob(json.images[i])
+      fs.writeFileSync(file, data, 'binary');
+      console.log('image saved:', file);
+    }
+  }
+}
+
+main();