Added 2 client-side python script examples of querying the LFF API, o…

…ne for langtags and one for fonts

contrib/lff_font_query_example.py

@@ -0,0 +1,26 @@
+#!/usr/bin/python3
+"""
+API usage example:
+- query a particular font via user input
+- return 404 and error message if font is unknown
+"""
+
+import json
+import requests
+
+URL = "https://lff.api.languagetechnology.org/family/"
+family = input("Pick your font family name (e.g. payaplanna): ")
+fullURL = URL + family
+
+response = requests.get(fullURL)
+
+if response.status_code == 200:
+    data = json.loads(response.text)
+    print("\nLFF API result for font: " + family)
+    for k in data:
+        print(k, ":", data[k])
+
+if response.status_code == 404:
+    print("Error: HTTP status code", response.status_code)
+    print('"' + family + '"' + " is not a known font family")
+    print("Sorry, no API result, try another font family")

contrib/lff_lang_query_example.py

@@ -0,0 +1,50 @@
+#!/usr/bin/python3
+"""
+API usage example:
+- query a particular langtag via user input
+- return 404 and error message if langtag is unknown
+- access nested fields
+- filter out some responses
+"""
+
+from pprint import pprint
+import json
+import requests
+
+URL = "https://lff.api.languagetechnology.org/lang/"
+lang = input("Pick your langtag (e.g. nod-Lana-TH wsg-Gong-IN shu-Arab-TD - tag-Script-REGION): ")
+fullURL = URL + lang
+
+response = requests.get(fullURL)
+
+if response.status_code == 200:
+    data = json.loads(response.text)
+    for k, v in data["families"].items():
+        print("\nLFF API result for langtag: " + lang)
+        print(f'family: {v["family"]}')
+        print(f'version: {v["version"]}')
+        print(f'source: {v["source"]}')
+        print(f'distributable: {v["distributable"]}')
+        print(f'license: {v["license"]}')
+        print(f'status: {v["status"]}')
+        print(f'download: {v["packageurl"]}')
+
+        print("\nCSS @font-face URLs (filtered for woff2 only)")
+
+    result = {
+        k: f["flourl"]
+        for v in data["families"].values()
+        for k, f in v["files"].items()
+        if k.endswith("woff2")
+        }
+if response.status_code == 404:
+    print("Error: HTTP status code", response.status_code)
+    print("\"" + lang + "\"" + " is not a known langtag")
+
+# examine the headers
+# pprint(response.headers)
+
+try:
+    pprint(result)
+except NameError:
+    print("Sorry, no API result, try another langtag")