Adding package search via upstream package database and JSON.

archinstall/lib/packages.py

@@ -0,0 +1,27 @@
+import urllib.request, urllib.parse
+import ssl, json
+
+BASE_URL = 'https://www.archlinux.org/packages/search/json/?name={package}'
+
+def find_package(name):
+	"""
+	Finds a specific package via the package database.
+	It makes a simple web-request, which might be a bit slow.
+	"""
+	ssl_context = ssl.create_default_context()
+	ssl_context.check_hostname = False
+	ssl_context.verify_mode=ssl.CERT_NONE
+	response = urllib.request.urlopen(BASE_URL.format(package=name), context=ssl_context)
+	data = response.read().decode('UTF-8')
+	return json.loads(data)
+
+def find_packages(*names):
+	"""
+	This function returns the search results for many packages.
+	The function itself is rather slow, so consider not sending to
+	many packages to the search query.
+	"""
+	result = {}
+	for package in names:
+		result[package] = find_package(package)
+	return result