installer downloads updates & write readme

1 files changed, 24 insertions, 3 deletions

diff --git a/util.py b/util.py
index 0167bbc..d76eb76 100644
--- a/util.py
+++ b/util.py
@@ -9,7 +9,7 @@ import urllib.parse
 import multiprocessing
 import pathlib
 import base64
-from configparser import ConfigParser
+from configparser import RawConfigParser
 
 import requests
 
@@ -19,7 +19,7 @@ def load_config():
     Load configuarion from pack and local configuration files
     Fill in reasonable defaults where applicable.
     """
-    config_p = ConfigParser()
+    config_p = RawConfigParser()
     config_p.read(["pack.ini", "local-config.ini"])
     config = config_p._sections
     config["pack"]["sanitized_name"] = sanitize_text(config["pack"]["name"])
@@ -44,8 +44,21 @@ def update_self():
     in order to update to the latest version.  Will overwrite any existing pack.ini and other
     config files, so be careful!
     """
+    global config
+
+    base_url = config["pack"]["pack_base_url"].strip("/") + "/"
+    download_file(base_url + "pack.ini", "pack.ini")
+    download_file(base_url + "pack-lock.ini", "pack-lock.ini")
+    download_file(base_url + "icon.png", "icon.png")
+
+    pack_lock = RawConfigParser()
+    pack_lock.read(["pack-lock.ini"])
+    for path in pack_lock["global"]["config_files"].split(","):
+        if not path:
+            continue
+        download_file(f"{base_url}config/{path}", os.path.join("config", path))
     
-    raise NotImplementedError()
+    config = load_config()
 
 
 def find_minecraft_directory():
@@ -78,6 +91,14 @@ def find_jre():
             return "C:\\Program Files (x86)\\Minecraft Launcher\\runtime\\jre-x64\\java.exe"
     raise RuntimeError("Unable to detect an installed JRE.  Please install Java in order to use modpackman.")
 
+def download_file(url, destination):
+    """
+    given a url, performs a requests request to get the remote object
+    and write it to destination
+    """
+    with open(destination, "wb") as f:
+        dl = requests.get(url, stream=True)
+        shutil.copyfileobj(dl.raw, f)
 
 # take a string and only keep filename-friendly parts
 def sanitize_text(text):