Adds script to pull down "rendered" versions of javascript files

ci/.gitignore

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+js_tmp/

ci/pull_js_files.py

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+"""
+Pull 'rendered' copies of the templated JS files down from the  InvenTree server.
+
+These files can then be used for linting and unit testing
+"""
+
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+import sys
+import re
+import os
+import json
+import pathlib
+import argparse
+import requests
+from requests.auth import HTTPBasicAuth
+
+
+here = os.path.abspath(os.path.dirname(__file__))
+js_template_dir = os.path.abspath(os.path.join(here, '..', 'InvenTree', 'templates', 'js'))
+
+js_tmp_dir = os.path.join(here, 'js_tmp')
+
+def get_token(server, username, password):
+
+    url = os.path.join(
+        server,
+        'api',
+        'user',
+        'token',
+    )
+
+    auth = HTTPBasicAuth(username, password)
+
+    response = requests.get(url, auth=auth, allow_redirects=False)
+
+    data = json.loads(response.text)
+
+    return data['token']
+
+
+def download_file(url, filename, token):
+    """
+    Download a single javascript file
+    """
+
+    print(f"Downloading '{url}'")
+
+    headers = {
+        'AUTHORIZATION': f'Token {token}'
+    }
+
+    response = requests.get(
+        url,
+        allow_redirects=False,
+        headers=headers
+    )
+
+    output_file = os.path.join(
+        js_tmp_dir,
+        filename,
+    )
+
+    with open(output_file, 'wb') as output:
+        output.write(response.content)
+
+
+def download_js_files(subdir, url, token):
+    """
+    Returns a flattened list of all javascript files
+    """
+
+    d = os.path.join(js_template_dir, subdir)
+
+    files = pathlib.Path(d).rglob('*.js')
+
+    for filename in files:
+        js = os.path.basename(filename)
+
+        js_url = os.path.join(url, js)
+
+        download_file(js_url, js, token)
+
+if __name__ == '__main__':
+
+    parser = argparse.ArgumentParser("Download JavaScript files")
+
+    parser.add_argument('-s', '--server', help='InvenTree server', action='store')
+    parser.add_argument('-u', '--username', help='Username', action='store')
+    parser.add_argument('-p', '--password', help='password', action='store')
+
+    args = parser.parse_args()
+
+    if not os.path.exists(js_tmp_dir):
+        os.mkdir(js_tmp_dir)
+
+    auth = HTTPBasicAuth(args.username, args.password)
+
+    # Get an auth token from the server
+    token = get_token(args.server, args.username, args.password)
+
+    # Dynamic javascript files
+    dynamic_url = os.path.join(args.server, 'js', 'dynamic')
+
+    download_js_files('dynamic', dynamic_url, token)
+
+    # Translated JS files
+    i18n_url = os.path.join(args.server, 'js', 'i18n')
+
+    download_js_files("translated", i18n_url, token)