calculate paths relative to main.py

Avoid requiring that PWD be set to repository root. Instead, determine
own directory, and calculate resource file paths relative to it.

data/types.py

@@ -1,6 +1,8 @@
 from enum import IntEnum
 from json import load
 
+import paths
+
 
 # The possible serialisation types the game uses and their binary value (as int)
 class Types(IntEnum):
@@ -39,19 +41,19 @@ class Types(IntEnum):
 # they are not complete, considering I mostly was in it for the items and perks and so on
 # But still they may contain spoilers considering quite a few dialogues and so on are in
 # them so read it at your own risk
-with open("./data/locals.json", encoding="utf8") as f:
+with open(paths.locals_json, encoding="utf8") as f:
     id_to_name = load(f)
 
 # Generic game information
-with open("./data/html/items.json", encoding="utf8") as f:
+with open(paths.items_json, encoding="utf8") as f:
     gamedata = load(f)
 
-with open("./data/data.json", encoding="utf8") as f:
+with open(paths.data_json, encoding="utf8") as f:
     jsongamedata = load(f)
 
 # Load a list with default items, if those items have special attributes which would otherwise not work
 # (using the default item)
-with open("./data/new_item_data.json", encoding="utf8") as f:
+with open(paths.new_item_data_json, encoding="utf8") as f:
     item_fallback_data = load(f)
 
 # A example item in the case of the inventory being empty and people wanting to add items to it

main.py

@@ -21,11 +21,12 @@
 import psutil
 import pkg_resources
 from packaging import version
+import paths
 
 
 # Set up global variables and the used classes
 options = {}
-hashes = Hashlist("./data/hashes")
+hashes = Hashlist(paths.hashes)
 decoder = Decoder(hashes)
 encoder = Encoder()
 savefiles = {}
@@ -35,21 +36,21 @@
 loaded_items = {}
 
 # Load the version number of this application and already create a newversion variable for a later check for updates
-with open("./data/version") as f:
+with open(paths.version) as f:
     currentversion = f.read()
     newversion = currentversion
 
 
 # Load the information about the item version making it possible to fix bugs without having to make a new release
 # (when no code was changed)
-with open("./data/itemversion") as f:
+with open(paths.item_version) as f:
     currentiversion = f.read()
     newiversion = currentiversion
 
 
 # Load the settings of the settings file
 def load_settings():
-    with open("./data/settings") as f:
+    with open(paths.settings) as f:
         global options, newversion, newiversion, web_app_options
         options = json.load(f)
 
@@ -357,7 +358,7 @@ def save_json_savefile(data, shash):
             # If we want to dump it as html file we do so here
             if file.endswith(".html"):
 
-                with open('./data/html/dumpskeleton.html', 'r') as placeholderfile:
+                with open(paths.dump_skeleton_html) as placeholderfile:
                     placeholder = placeholderfile.read()
 
                 print("Creating HTML file at " + file)
@@ -1035,7 +1036,7 @@ def set_settings(settings):
     if "path" in options:
         options["path"] = os.path.expandvars(options["path"])
 
-    with open("./data/settings", "w") as f:
+    with open(paths.settings, "w") as f:
         json.dump(settings, f)
     return True
 

paths.py

@@ -0,0 +1,16 @@
+import os
+
+own_dir = os.path.abspath(os.path.dirname(__file__))
+data_dir = os.path.join(own_dir, 'data')
+html_dir = os.path.join(data_dir, 'html')
+
+version = os.path.join(data_dir, 'version')
+item_version = os.path.join(data_dir, 'itemversion')
+hashes = os.path.join(data_dir, 'hashes')
+settings = os.path.join(data_dir, 'settings')
+locals_json = os.path.join(data_dir, 'locals.json')
+data_json = os.path.join(data_dir, 'data.json')
+new_item_data_json = os.path.join(data_dir, 'new_item_data.json')
+
+dump_skeleton_html = os.path.join(html_dir, 'dumpskeleton.html')
+items_json = os.path.join(html_dir, 'items.json')