From 3dd1822e27f5da4d24457b4f2652fa0ae3c120aa Mon Sep 17 00:00:00 2001
From: Sérgio Almeida <mephx.x@gmail.com>
Date: Mon, 17 Aug 2009 16:29:32 +0100
Subject: Added support for targetless links aka *.d/ alike links

---
 modules/gcc.py    |  2 +-
 modules/python.py |  4 ++--
 uio.py            |  4 ++++
 umodule.py        | 44 ++++++++++++++++++++++++++++++++++++--------
 4 files changed, 43 insertions(+), 11 deletions(-)

diff --git a/modules/gcc.py b/modules/gcc.py
index fc18cb8..0249104 100644
--- a/modules/gcc.py
+++ b/modules/gcc.py
@@ -8,7 +8,7 @@ from umodule import *
 module = Module(name = "gcc", description = "Python GCC Version Switcher", version = "0.1", author ="mephx.x@gmail.com") # We define the module
 bin = Action (name = 'bin', description = "Change GCC's Version", type = "sym") # Define a Symlinking Action
 
-gcc = Link(alias = "gcc", target = "/usr/bin/gcc", prefix = "/usr/bin/", regexp = "gcc-([0-9]+\.[0-9]+$)") 
+gcc = Link(alias = "gcc", target_dir = "usr/bin/", target = "gcc", prefix = "/usr/bin/", regexp = "gcc-([0-9]+\.[0-9]+$)") 
 #gcc_config = Link(alias = "gcc-config", target = "/usr/bin/gcc-config", prefix = "/usr/bin/", regexp = "gcc-config([0-9]+\.[0-9]+$)")
 
 #gcc.add_link(gcc_config) # For inheritance testing
diff --git a/modules/python.py b/modules/python.py
index c850505..f16311e 100644
--- a/modules/python.py
+++ b/modules/python.py
@@ -9,8 +9,8 @@ module = Module(name = "python", description = "Python Version Switcher", versio
 
 
 bin = Action (name = 'bin', description = "Change Python's Version", type = "sym") # Define a Symlinking Action
-python = Link(alias = "python", target = "/usr/bin/python", prefix = "/usr/bin/", regexp = "python([0-9]+\.[0-9]+$)") 
-python_config = Link(alias = "python-config", target = "/usr/bin/python-config", prefix = "/usr/bin/", regexp = "python([0-9]+\.[0-9]+)-config$")
+python = Link(alias = "python", target_dir = "usr/bin/", target = "python", prefix = "/usr/bin/", regexp = "python([0-9]+\.[0-9]+$)") 
+python_config = Link(alias = "python-config", target_dir = "usr/bin/", target = "python-config", prefix = "/usr/bin/", regexp = "python([0-9]+\.[0-9]+)-config$")
 python.add_link(python_config) # For inheritance
 bin.add_link(python) # Adding The Link to the action
 
diff --git a/uio.py b/uio.py
index 30e05cd..f0d9423 100644
--- a/uio.py
+++ b/uio.py
@@ -37,6 +37,10 @@ class FileSystem:
 	def set_type(self, type):
 		if type == 'profile':
 			self.environment = './.uprofile/'
+	def create_dir(self, target):
+		"""Recursively creates directories"""
+		if not os.path.exists(target):
+			os.makedirs(target)
 			
 	def prepare_environment(self):
 		if not os.path.exists(self.environment):
diff --git a/umodule.py b/umodule.py
index 74c84f9..26ab137 100644
--- a/umodule.py
+++ b/umodule.py
@@ -101,18 +101,22 @@ class Link:
 		self.links.append(link)
 		link.parent = self
 
-	def __init__(self, lines = None, alias = None, target = None, prefix = None, regexp = None, sufix = ''):
+	def __init__(self, lines = None, alias = None, target = None, \
+		target_dir = None, prefix = None, regexp = None, sufix = ''):
 		
 		self.alias = alias
-		self.target = prefix + alias
+		self.target_dir = target_dir
+		self.target = target
 		self.prefix = prefix
 		self.sufix = sufix
 		self.regexp = regexp
 		self.targets = []
 		self.status = []
 		self.links = []
-		self.destination = self.prefix + self.alias
-
+		if target == None:
+			self.destination = target_dir
+		else:
+			self.destination = target_dir + target
 	
 	def get_links(self, counter = None):
 		"""
@@ -143,13 +147,18 @@ class Link:
 			if match:
 				source = self.prefix + match.group(0) + self.sufix
 				self.targets.append(source)
-				if filesystem.path_exists(self.destination):
-					if filesystem.real_path(self.destination) == source:
+				if self.target == None:
+					target =  match.group(0)
+				else:
+					target =  self.target
+				
+				if filesystem.path_exists('/' + self.target_dir + target):
+					if filesystem.real_path('/' + self.target_dir + target) == source:
 						self.status.append('ok')
 					else:
 						self.status.append('warning')
 					if filesystem.real_path( \
-						filesystem.environment + 'bin/' + self.alias) == \
+						filesystem.environment + self.target_dir + target) == \
 						source:
 						status = self.status.pop()
 						status += ' + space + notice'
@@ -264,6 +273,7 @@ class Sym(Action):
 			self.output.append('Unsetting ' + link.destination\
 			+ ' success!')
 		else:
+
 			filesystem.create_symlink(link.targets[i], \
 				link.destination)
 			self.output.append('Setting ' + link.targets[i]\
@@ -344,6 +354,16 @@ class ProfileAction(Action):
 	def setup(self):
 		return
 
+class EnvSym(Action):
+	def do_action(self, args):
+		print "nothing to do"
+	
+	def setup(self):
+		print "setting up"
+	
+	def build(self):
+		print "building"
+
 class Env(Action):
 	
 	def do_action(self, args):
@@ -395,8 +415,16 @@ class Path(Action, Sym):
 		
 		i = target[2]
 		link = target[1]
+		
+		filesystem.create_dir(filesystem.environment + link.target_dir)
+		
+		if link.target == None:
+			target = link.targets[i].split('/').pop()
+		else:
+			target = link.target
+		
 		filesystem.create_symlink(link.targets[i], \
-			filesystem.environment + 'bin/' + link.alias)
+			filesystem.environment + link.target_dir + target)
 		self.output.append('Setting ' + link.targets[i] \
 			+ ' success!')
 
-- 
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