Implement shallow translation

2020-03-07 17:11:12 -08:00
parent d5b80380f2
commit dce7dd3936
3 changed files with 149 additions and 18 deletions
--- a/source/classes/BabelFish.py
+++ b/source/classes/BabelFish.py
@@ -0,0 +1,109 @@
+import json
+import locale
+import os
+
+class BabelFish():
+	def __init__(self,subpath=["resources","app","meta"],lang=None):
+		localization_string = locale.getdefaultlocale()[0] #get set localization
+		self.locale = localization_string[:2] if lang is None else lang #let caller override localization
+		self.langs = ["en"] #start with English
+		if(not self.locale == "en"): #add localization
+			self.langs.append(self.locale)
+
+		self.lang_defns = {} #collect translations
+		self.add_translation_file() #start with default translation file
+		self.add_translation_file(["resources","user","meta"]) #add user translation file
+
+	def add_translation_file(self,subpath=["resources","app","meta"]):
+		if not isinstance(subpath, list):
+			subpath = [subpath]
+		if "lang" not in subpath:
+			subpath.append("lang") #look in lang folder
+		subpath = os.path.join(*subpath) #put in path separators
+		key = subpath.split(os.sep)
+		for check in ["resources","app","user"]:
+			if check in key:
+				key.remove(check)
+		key = os.path.join(*key) #put in path separators
+		for lang in self.langs:
+			if not lang in self.lang_defns:
+				self.lang_defns[lang] = {}
+			langs_filename = os.path.join(subpath,lang + ".json") #get filename of translation file
+			if os.path.isfile(langs_filename): #if we've got a file
+				with open(langs_filename,encoding="utf-8") as f: #open it
+					self.lang_defns[lang][key[:key.rfind(os.sep)].replace(os.sep,'.')] = json.load(f) #save translation definitions
+			else:
+				print(langs_filename + " not found for translation!")
+
+	def translate(self, domain="", key="", subkey=""): #three levels of keys
+    # start with nothing
+		display_text = ""
+
+    # exits check for not exit first and then append Exit at end
+    # multiRooms check for not chest name first and then append chest name at end
+		specials = {
+ 			"exit": False,
+ 			"multiRoom": False
+    }
+
+    # Domain
+		if os.sep in domain:
+ 			domain = domain.replace(os.sep,'.')
+#		display_text = domain
+
+		# Operate on Key
+		if key != "":
+			if display_text != "":
+				display_text += '.'
+#			display_text += key
+      # Exits
+			if "exit" in key:
+				key = key.replace("exit","")
+				specials["exit"] = True
+			if "Exit" in key:
+				key = key.replace("Exit","")
+				specials["exit"] = True
+			# Locations
+			tmp = key.split(" - ")
+			if len(tmp) >= 2:
+				specials["multiRoom"] = tmp[len(tmp) - 1]
+				tmp.pop()
+				key = " - ".join(tmp)
+			key = key.strip()
+
+    # Operate on Subkey
+		if subkey != "":
+			if display_text != "":
+ 				display_text += '.'
+			display_text += subkey
+      # Exits
+			if "exit" in subkey:
+				subkey = subkey.replace("exit","")
+				specials["exit"] = True
+			if "Exit" in subkey:
+				subkey = subkey.replace("Exit","")
+				specials["exit"] = True
+			# Locations
+			tmp = subkey.split(" - ")
+			if len(tmp) >= 2:
+				specials["multiRoom"] = tmp[len(tmp) - 1]
+				tmp.pop()
+				subkey = " - ".join(tmp)
+			subkey = subkey.strip()
+
+		my_lang = self.lang_defns[self.locale] #handle for localization
+		en_lang = self.lang_defns["en"] #handle for English
+
+		if domain in my_lang and key in my_lang[domain] and subkey in my_lang[domain][key] and not my_lang[domain][key][subkey] == "": #get localization first
+			display_text = my_lang[domain][key][subkey]
+		elif domain in en_lang and key in en_lang[domain] and subkey in en_lang[domain][key] and not en_lang[domain][key][subkey] == "": #gracefully degrade to English
+			display_text = en_lang[domain][key][subkey]
+		elif specials["exit"]:
+			specials["exit"] = False
+
+		if specials["exit"]:
+			display_text += " Exit"
+		elif specials["multiRoom"] and specials["multiRoom"] not in display_text:
+			display_text += " - " + specials["multiRoom"]
+
+		return display_text