add WineprefixPart

minor cleanup

libexec/render.py

@@ -39,6 +39,7 @@ COLOR_GIT_STAGED = 10
 COLOR_PROMPT_OK = 14
 COLOR_PROMPT_ERROR = 1
 
+COLOR_OK = 10
 COLOR_ERROR = 196
 
 MOUNT_IGNORE_FS = ["iso9660", "tmpfs", "rootfs"]
@@ -327,10 +328,42 @@ class VirtualEnvPart(Part):
 		
 		if virtualenv:
 			self.fragments.append("⬢ ")
-			self.fragments.append(style_color(COLOR_GIT_CLEAN))
+			self.fragments.append(style_color(COLOR_OK))
 			self.fragments.append(virtualenv)
 			self.fragments.append(style_reset())
 
+class WineprefixPart(Part):
+	"""
+	♿ name:[32|64]
+	
+	Displays the current WINEPREFIX (iff set) basename and x86 subarchitecture (32 or 64).
+	
+	The basename is green if the directory exists, red otherwise.
+	"""
+	
+	def __init__(self):
+		Part.__init__(self)
+		
+		wineprefix = os.getenv("WINEPREFIX")
+		arch = os.getenv("WINEARCH")
+		
+		if wineprefix:
+			self.fragments.append("♿ ")
+			
+			self.fragments.append(style_color(COLOR_OK if os.path.isdir(wineprefix) else COLOR_ERROR))
+			self.fragments.append(os.path.basename(wineprefix))
+			self.fragments.append(style_reset())
+			
+			if arch == "win32":
+				self.fragments.append(":32")
+			elif arch:
+				self.fragments.append(":")
+				self.fragments.append(style_color(COLOR_ERROR))
+				self.fragments.append("?")
+				self.fragments.append(style_reset())
+			else:
+				self.fragments.append(":64")
+
 class GitPart(Part):
 	"""
 	↘2 ↗4 ⚠master ?11 ✎6 ✉10
@@ -557,10 +590,11 @@ if __name__ == "__main__":
 	pp = PathPart(settings)
 	gp = GitPart()
 	vp = VirtualEnvPart()
+	wp = WineprefixPart()
 	pad = Padding(settings.term_width)
 	sp = StatsPart(settings, sysload)
 	
-	line = [lp, pp, gp, vp, pad, sp]
+	line = [lp, pp, gp, vp, wp, pad, sp]
 	
 	pp.shrink_fit(line)
 	pad.expand_fit(line)