Added recipes for curl, libidn2, libpsl and libunistring.

recipes/unistring/recipe.py

@@ -0,0 +1,42 @@
+
+
+
+import json
+import os
+import re
+import requests
+from SCons.Script import *
+
+_VERSIONS_URL = 'https://ftp.gnu.org/gnu/libunistring/?F=0'
+_VERSION_PATTERN = re.compile(r'href="libunistring-([0-9]+)\.([0-9]+)\.([0-9]+)\.tar\.gz"')
+
+def versions(env: Environment, update: bool = False):
+    versions_file = os.path.join(env['DOWNLOAD_DIR'], 'libunistring_versions.json')
+    if update or not os.path.exists(versions_file):
+        req = requests.get(_VERSIONS_URL)
+        result = []
+        for match in _VERSION_PATTERN.finditer(req.text):
+            result.append((int(match.groups()[0]), int(match.groups()[1]), int(match.groups()[2])))
+        with open(versions_file, 'w') as f:
+            json.dump(result, f)
+        return result
+    else:
+        try:
+            with open(versions_file, 'r') as f:
+                return [tuple(v) for v in json.load(f)]
+        except:
+            print('libunistring_versions.json is empty or broken, redownloading.')
+            return versions(env, update=True)
+
+def dependencies(env: Environment, version) -> 'dict':
+    return {}
+
+def cook(env: Environment, version) -> dict:
+    url = f'https://ftp.gnu.org/gnu/libunistring/libunistring-{version[0]}.{version[1]}.{version[2]}.tar.gz'
+    repo = env.DownloadAndExtract(f'libunistring_{version[0]}.{version[1]}.{version[2]}', url = url, skip_folders = 1)
+    checkout_root = repo['extracted_root']
+    build_result = env.AutotoolsProject(checkout_root)
+    return {
+        'CPPPATH': build_result['CPPPATH'],
+        'LIBS': [env.FindLib('unistring', paths=build_result['LIBPATH'])]
+    }