configurable settings.py, web_assets, textures paths

configParser.py

@@ -22,6 +22,9 @@ class ConfigOptionParser(object):
         self.customArgs = ["required", "commandLineOnly", "default", "listify", "listdelim", "choices"]
 
         self.requiredArgs = []
+        
+        # add the *very* special config-file path option
+        self.add_option("--config-file", dest="config_file", help="Specifies a configuration file to load, by name. This file's format is discussed in the README.", metavar="PATH", type="string", commandLineOnly=True)
 
     def display_config(self):
         logging.info("Using the following settings:")
@@ -68,8 +71,14 @@ class ConfigOptionParser(object):
                 # if this has a default, use that to seed the globals dict
                 if a.get("default", None): g[n] = a['default']
         g['args'] = args
-
+        
         try:
+            if options.config_file:
+                self.configFile = options.config_file
+            elif os.path.exists(self.configFile):
+                # warn about automatic loading
+                logging.warning("Automatic settings.py loading is DEPRECATED, and may be removed in the future. Please use --config-file instead.")
+            
             if os.path.exists(self.configFile):
                 execfile(self.configFile, g, l)
         except NameError, ex:

googlemap.py

@@ -68,6 +68,7 @@ class MapGen(object):
         
         self.skipjs = configInfo.get('skipjs', None)
         self.web_assets_hook = configInfo.get('web_assets_hook', None)
+        self.web_assets_path = configInfo.get('web_assets_path', None)
         self.bg_color = configInfo.get('bg_color')
         
         if not len(quadtrees) > 0:
@@ -81,14 +82,28 @@ class MapGen(object):
                 raise ValueError("all the given quadtrees must have the same destdir and world")
         
         self.quadtrees = quadtrees
-        
+    
     def go(self, procs):
         """Writes out config.js, marker.js, and region.js
         Copies web assets into the destdir"""
         zoomlevel = self.p
-        configpath = os.path.join(util.get_program_path(), "overviewerConfig.js")
 
-        config = open(configpath, 'r').read()
+        bgcolor = (int(self.bg_color[1:3],16), int(self.bg_color[3:5],16), int(self.bg_color[5:7],16), 0)
+        blank = Image.new("RGBA", (1,1), bgcolor)
+        # Write a blank image
+        for quadtree in self.quadtrees:
+            tileDir = os.path.join(self.destdir, quadtree.tiledir)
+            if not os.path.exists(tileDir): os.mkdir(tileDir)
+            blank.save(os.path.join(tileDir, "blank."+quadtree.imgformat))
+
+        # copy web assets into destdir:
+        mirror_dir(os.path.join(util.get_program_path(), "web_assets"), self.destdir)
+        # do the same with the local copy, if we have it
+        if self.web_assets_path:
+            mirror_dir(self.web_assets_path, self.destdir)
+        
+        # replace the config js stuff
+        config = open(os.path.join(self.destdir, 'overviewerConfig.js'), 'r').read()
         config = config.replace(
                 "{minzoom}", str(0))
         config = config.replace(
@@ -111,18 +126,7 @@ class MapGen(object):
         with open(os.path.join(self.destdir, "overviewerConfig.js"), 'w') as output:
             output.write(config)
 
-        bgcolor = (int(self.bg_color[1:3],16), int(self.bg_color[3:5],16), int(self.bg_color[5:7],16), 0)
-        blank = Image.new("RGBA", (1,1), bgcolor)
-        # Write a blank image
-        for quadtree in self.quadtrees:
-            tileDir = os.path.join(self.destdir, quadtree.tiledir)
-            if not os.path.exists(tileDir): os.mkdir(tileDir)
-            blank.save(os.path.join(tileDir, "blank."+quadtree.imgformat))
-
-        # copy web assets into destdir:
-        mirror_dir(os.path.join(util.get_program_path(), "web_assets"), self.destdir)
-
-        # Add time in index.html
+        # Add time and version in index.html
         indexpath = os.path.join(self.destdir, "index.html")
 
         index = open(indexpath, 'r').read()

overviewer.py

@@ -101,6 +101,8 @@ def main():
     parser.add_option("--bg_color", dest="bg_color", help="Configures the background color for the GoogleMap output.  Specify in #RRGGBB format", configFileOnly=True, type="string", default="#1A1A1A")
     parser.add_option("--optimize-img", dest="optimizeimg", help="If using png, perform image file size optimizations on the output. Specify 1 for pngcrush, 2 for pngcrush+optipng+advdef. This may double (or more) render times, but will produce up to 30% smaller images. NOTE: requires corresponding programs in $PATH or %PATH%", configFileOnly=True)
     parser.add_option("--web-assets-hook", dest="web_assets_hook", help="If provided, run this function after the web assets have been copied, but before actual tile rendering begins. It should accept a QuadtreeGen object as its only argument.", action="store", metavar="SCRIPT", type="function", configFileOnly=True)
+    parser.add_option("--web-assets-path", dest="web_assets_path", help="Specifies a non-standard web_assets directory to use. Files here will overwrite the default web assets.", metavar="PATH", type="string", configFileOnly=True)
+    parser.add_option("--textures-path", dest="textures_path", help="Specifies a non-standard textures path, from which terrain.png and other textures are loaded.", metavar="PATH", type="string", configFileOnly=True)
     parser.add_option("-q", "--quiet", dest="quiet", action="count", default=0, help="Print less output. You can specify this option multiple times.")
     parser.add_option("-v", "--verbose", dest="verbose", action="count", default=0, help="Print more output. You can specify this option multiple times.")
     parser.add_option("--skip-js", dest="skipjs", action="store_true", help="Don't output marker.js or regions.js")
@@ -242,7 +244,7 @@ def main():
         qtree.go(options.procs)
 
     # create the distributed render
-    r = rendernode.RenderNode(q)
+    r = rendernode.RenderNode(q, options)
     
     # write out the map and web assets
     m = googlemap.MapGen(q, configInfo=options)

rendernode.py

@@ -65,7 +65,7 @@ def pool_initializer(rendernode):
     
     # make sure textures are generated for this process
     # and initialize c_overviewer
-    textures.generate()
+    textures.generate(path=rendernode.options.get('textures_path', None))
     c_overviewer.init_chunk_render()
     
     # load biome data in each process, if needed
@@ -94,12 +94,13 @@ def roundrobin(iterables):
 
             
 class RenderNode(object):
-    def __init__(self, quadtrees):
+    def __init__(self, quadtrees, options):
         """Distributes the rendering of a list of quadtrees."""
 
         if not len(quadtrees) > 0:
             raise ValueError("there must be at least one quadtree to work on")    
 
+        self.options = options
         self.quadtrees = quadtrees
         #bind an index value to the quadtree so we can find it again
         #and figure out which worlds are where

textures.py

@@ -26,11 +26,14 @@ from PIL import Image, ImageEnhance, ImageOps, ImageDraw
 import util
 import composite
 
+_find_file_local_path = None
 def _find_file(filename, mode="rb"):
     """Searches for the given file and returns an open handle to it.
     This searches the following locations in this order:
     
+    * the textures_path given in the config file (if present)
     * The program dir (same dir as this file)
+    * The program dir / textures
     * On Darwin, in /Applications/Minecraft
     * Inside minecraft.jar, which is looked for at these locations
 
@@ -38,14 +41,21 @@ def _find_file(filename, mode="rb"):
       * On Darwin, at $HOME/Library/Application Support/minecraft/bin/minecraft.jar
       * at $HOME/.minecraft/bin/minecraft.jar
 
-    * The current working directory
-    * The program dir / textures
-
     """
+    
+    if _find_file_local_path:
+        path = os.path.join(_find_file_local_path, filename)
+        if os.path.exists(path):
+            return open(path, mode)
+    
     programdir = util.get_program_path()
     path = os.path.join(programdir, filename)
     if os.path.exists(path):
         return open(path, mode)
+    
+    path = os.path.join(programdir, "textures", filename)
+    if os.path.exists(path):
+        return open(path, mode)
 
     if sys.platform == "darwin":
         path = os.path.join("/Applications/Minecraft", filename)
@@ -73,14 +83,6 @@ def _find_file(filename, mode="rb"):
             except (KeyError, IOError):
                 pass
 
-    path = filename
-    if os.path.exists(path):
-        return open(path, mode)
-
-    path = os.path.join(programdir, "textures", filename)
-    if os.path.exists(path):
-        return open(path, mode)
-
     raise IOError("Could not find the file {0}. Is Minecraft installed? If so, I couldn't find the minecraft.jar file.".format(filename))
 
 def _load_image(filename):
@@ -1661,7 +1663,10 @@ biome_grass_texture = None
 biome_leaf_texture = None
 specialblockmap = None
 
-def generate():
+def generate(path=None):
+    global _find_file_local_path
+    _find_file_local_path = path
+    
     # This maps terainids to 16x16 images
     global terrain_images
     terrain_images = _split_terrain(_get_terrain_image())