From 74eb0b9a9a685a32be21db30f097a22ddf3ec4cf Mon Sep 17 00:00:00 2001
From: Tim O'Shea <tim.oshea753@gmail.com>
Date: Mon, 8 Jul 2013 10:29:19 -0400
Subject: grc: Fix whitespace issue in grc to use proper spaces

Remove all \t's to match the rest of GNU Radio
---
 grc/python/Block.py | 376 +++++++++++++++++++++++++---------------------------
 1 file changed, 184 insertions(+), 192 deletions(-)

(limited to 'grc/python/Block.py')

diff --git a/grc/python/Block.py b/grc/python/Block.py
index d365c43319..e13b26c12f 100644
--- a/grc/python/Block.py
+++ b/grc/python/Block.py
@@ -23,195 +23,187 @@ import extract_docs
 
 class Block(_Block, _GUIBlock):
 
-	def is_virtual_sink(self): return self.get_key() == 'virtual_sink'
-	def is_virtual_source(self): return self.get_key() == 'virtual_source'
-
-	##for make source to keep track of indexes
-	_source_count = 0
-	##for make sink to keep track of indexes
-	_sink_count = 0
-
-	
-
-	def __init__(self, flow_graph, n):
-		"""
-		Make a new block from nested data.
-		
-		Args:
-		    flow: graph the parent element
-		    n: the nested odict
-		
-		Returns:
-		    block a new block
-		"""
-		#grab the data
-		self._doc = n.find('doc') or ''
-		self._imports = map(lambda i: i.strip(), n.findall('import'))
-		self._make = n.find('make')
-		self._var_make = n.find('var_make')
-		self._checks = n.findall('check')
-		self._callbacks = n.findall('callback')
-		self._throttle = n.find('throttle') or ''
-		self._bus_structure_source = n.find('bus_structure_source') or ''
-		self._bus_structure_sink = n.find('bus_structure_sink') or ''
-		#build the block
-		_Block.__init__(
-			self,
-			flow_graph=flow_graph,
-			n=n,
-		)
-		_GUIBlock.__init__(self)
-
-	def get_bus_structure(self, direction):
-		if direction == 'source':
-			bus_structure = self._bus_structure_source;
-		else:
-			bus_structure = self._bus_structure_sink;
-		
-		bus_structure = self.resolve_dependencies(bus_structure);
-		
-		if not bus_structure: return ''
-		try:
-			clean_bus_structure = self.get_parent().evaluate(bus_structure)
-			return clean_bus_structure
-	
-		except: return ''
-
-	def throttle(self): return bool(self._throttle)
-
-	def validate(self):
-		"""
-		Validate this block.
-		Call the base class validate.
-		Evaluate the checks: each check must evaluate to True.
-		"""
-		_Block.validate(self)
-		#evaluate the checks
-		for check in self._checks:
-			check_res = self.resolve_dependencies(check)
-			try:
-				if not self.get_parent().evaluate(check_res):
-					self.add_error_message('Check "%s" failed.'%check)
-			except: self.add_error_message('Check "%s" did not evaluate.'%check)
-
-	def rewrite(self):
-		"""
-		Add and remove ports to adjust for the nports.
-		"""
-		_Block.rewrite(self)
-
-		def rectify(ports):
-			#restore integer contiguity after insertion
-			#rectify the port names with the index
-			self.back_ofthe_bus(ports);
-			for i, port in enumerate(ports):
-				port._key = str(i)
-				port._name = port._n['name']
-				if len(ports) > 1 and not port._type == 'bus': port._name += str(i)
-
-		def insert_port(get_ports, get_port, key):
-			prev_port = get_port(str(int(key)-1))
-			get_ports().insert(
-				get_ports().index(prev_port)+1,
-				prev_port.copy(new_key=key),
-			)
-			rectify(get_ports())
-
-		def remove_port(get_ports, get_port, key):
-			port = get_port(key)
-			for connection in port.get_connections():
-				self.get_parent().remove_element(connection)
-			get_ports().remove(port)
-			rectify(get_ports())
-
-		#adjust nports
-		for get_ports, get_port in (
-			(self.get_sources, self.get_source),
-			(self.get_sinks, self.get_sink),
-		):
-			master_ports = filter(lambda p: p.get_nports(), get_ports())
-			for i, master_port in enumerate(master_ports):
-				nports = master_port.get_nports()
-				index_first = get_ports().index(master_port)
-				try: index_last = get_ports().index(master_ports[i+1])
-				except IndexError: index_last = len(get_ports())
-				num_ports = index_last - index_first
-				#do nothing if nports is already num ports
-				if nports == num_ports: continue
-				#remove excess ports and connections
-				if nports < num_ports:
-					for key in reversed(map(str, range(index_first+nports, index_first+num_ports))):
-						remove_port(get_ports, get_port, key);
-						
-								
-					continue
-				#add more ports
-				if nports > num_ports:
-					for key in map(str, range(index_first+num_ports, index_first+nports)):
-						insert_port(get_ports, get_port, key)
-					
-							
-					continue
-		
-			
-	def port_controller_modify(self, direction):
-		"""
-		Change the port controller.
-		
-		Args:
-		    direction: +1 or -1
-		
-		Returns:
-		    true for change
-		"""
-		changed = False
-		#concat the nports string from the private nports settings of all ports
-		nports_str = ' '.join([port._nports for port in self.get_ports()])
-		#modify all params whose keys appear in the nports string
-		for param in self.get_params():
-			if param.is_enum() or param.get_key() not in nports_str: continue
-			#try to increment the port controller by direction
-			try:
-				value = param.get_evaluated()
-				value = value + direction
-				if 0 < value:
-					param.set_value(value)
-					changed = True
-			except: pass
-		return changed
-
-	def get_doc(self):
-		doc = self._doc.strip('\n').replace('\\\n', '')
-		#merge custom doc with doxygen docs
-		return '\n'.join([doc, extract_docs.extract(self.get_key())]).strip('\n')
-
-	def get_category(self):
-		return _Block.get_category(self)
-
-	def get_imports(self):
-		"""
-		Resolve all import statements.
-		Split each import statement at newlines.
-		Combine all import statments into a list.
-		Filter empty imports.
-		
-		Returns:
-		    a list of import statements
-		"""
-		return filter(lambda i: i, sum(map(lambda i: self.resolve_dependencies(i).split('\n'), self._imports), []))
-
-	def get_make(self): return self.resolve_dependencies(self._make)
-	def get_var_make(self): return self.resolve_dependencies(self._var_make)
-
-	def get_callbacks(self):
-		"""
-		Get a list of function callbacks for this block.
-		
-		Returns:
-		    a list of strings
-		"""
-		def make_callback(callback):
-			callback = self.resolve_dependencies(callback)
-			if 'self.' in callback: return callback
-			return 'self.%s.%s'%(self.get_id(), callback)
-		return map(make_callback, self._callbacks)
+    def is_virtual_sink(self): return self.get_key() == 'virtual_sink'
+    def is_virtual_source(self): return self.get_key() == 'virtual_source'
+
+    ##for make source to keep track of indexes
+    _source_count = 0
+    ##for make sink to keep track of indexes
+    _sink_count = 0
+
+    def __init__(self, flow_graph, n):
+        """
+        Make a new block from nested data.
+        
+        Args:
+            flow: graph the parent element
+            n: the nested odict
+        
+        Returns:
+            block a new block
+        """
+        #grab the data
+        self._doc = n.find('doc') or ''
+        self._imports = map(lambda i: i.strip(), n.findall('import'))
+        self._make = n.find('make')
+        self._var_make = n.find('var_make')
+        self._checks = n.findall('check')
+        self._callbacks = n.findall('callback')
+        self._throttle = n.find('throttle') or ''
+        self._bus_structure_source = n.find('bus_structure_source') or ''
+        self._bus_structure_sink = n.find('bus_structure_sink') or ''
+        #build the block
+        _Block.__init__(
+            self,
+            flow_graph=flow_graph,
+            n=n,
+        )
+        _GUIBlock.__init__(self)
+
+    def get_bus_structure(self, direction):
+        if direction == 'source':
+            bus_structure = self._bus_structure_source;
+        else:
+            bus_structure = self._bus_structure_sink;
+        
+        bus_structure = self.resolve_dependencies(bus_structure);
+        
+        if not bus_structure: return ''
+        try:
+            clean_bus_structure = self.get_parent().evaluate(bus_structure)
+            return clean_bus_structure
+    
+        except: return ''
+    def throttle(self): return bool(self._throttle)
+
+    def validate(self):
+        """
+        Validate this block.
+        Call the base class validate.
+        Evaluate the checks: each check must evaluate to True.
+        """
+        _Block.validate(self)
+        #evaluate the checks
+        for check in self._checks:
+            check_res = self.resolve_dependencies(check)
+            try:
+                if not self.get_parent().evaluate(check_res):
+                    self.add_error_message('Check "%s" failed.'%check)
+            except: self.add_error_message('Check "%s" did not evaluate.'%check)
+
+    def rewrite(self):
+        """
+        Add and remove ports to adjust for the nports.
+        """
+        _Block.rewrite(self)
+
+        def rectify(ports):
+            #restore integer contiguity after insertion
+            #rectify the port names with the index
+            self.back_ofthe_bus(ports);
+            for i, port in enumerate(ports):
+                port._key = str(i)
+                port._name = port._n['name']
+                if len(ports) > 1 and not port._type == 'bus': port._name += str(i)
+
+        def insert_port(get_ports, get_port, key):
+            prev_port = get_port(str(int(key)-1))
+            get_ports().insert(
+                get_ports().index(prev_port)+1,
+                prev_port.copy(new_key=key),
+            )
+            rectify(get_ports())
+
+        def remove_port(get_ports, get_port, key):
+            port = get_port(key)
+            for connection in port.get_connections():
+                self.get_parent().remove_element(connection)
+            get_ports().remove(port)
+            rectify(get_ports())
+
+        #adjust nports
+        for get_ports, get_port in (
+            (self.get_sources, self.get_source),
+            (self.get_sinks, self.get_sink),
+        ):
+            master_ports = filter(lambda p: p.get_nports(), get_ports())
+            for i, master_port in enumerate(master_ports):
+                nports = master_port.get_nports()
+                index_first = get_ports().index(master_port)
+                try: index_last = get_ports().index(master_ports[i+1])
+                except IndexError: index_last = len(get_ports())
+                num_ports = index_last - index_first
+                #do nothing if nports is already num ports
+                if nports == num_ports: continue
+                #remove excess ports and connections
+                if nports < num_ports:
+                    for key in reversed(map(str, range(index_first+nports, index_first+num_ports))):
+                        remove_port(get_ports, get_port, key);
+                    continue
+                #add more ports
+                if nports > num_ports:
+                    for key in map(str, range(index_first+num_ports, index_first+nports)):
+                        insert_port(get_ports, get_port, key)
+                    continue
+
+    def port_controller_modify(self, direction):
+        """
+        Change the port controller.
+        
+        Args:
+            direction: +1 or -1
+        
+        Returns:
+            true for change
+        """
+        changed = False
+        #concat the nports string from the private nports settings of all ports
+        nports_str = ' '.join([port._nports for port in self.get_ports()])
+        #modify all params whose keys appear in the nports string
+        for param in self.get_params():
+            if param.is_enum() or param.get_key() not in nports_str: continue
+            #try to increment the port controller by direction
+            try:
+                value = param.get_evaluated()
+                value = value + direction
+                if 0 < value:
+                    param.set_value(value)
+                    changed = True
+            except: pass
+        return changed
+
+    def get_doc(self):
+        doc = self._doc.strip('\n').replace('\\\n', '')
+        #merge custom doc with doxygen docs
+        return '\n'.join([doc, extract_docs.extract(self.get_key())]).strip('\n')
+
+    def get_category(self):
+        return _Block.get_category(self)
+
+    def get_imports(self):
+        """
+        Resolve all import statements.
+        Split each import statement at newlines.
+        Combine all import statments into a list.
+        Filter empty imports.
+        
+        Returns:
+            a list of import statements
+        """
+        return filter(lambda i: i, sum(map(lambda i: self.resolve_dependencies(i).split('\n'), self._imports), []))
+
+    def get_make(self): return self.resolve_dependencies(self._make)
+    def get_var_make(self): return self.resolve_dependencies(self._var_make)
+
+    def get_callbacks(self):
+        """
+        Get a list of function callbacks for this block.
+        
+        Returns:
+            a list of strings
+        """
+        def make_callback(callback):
+            callback = self.resolve_dependencies(callback)
+            if 'self.' in callback: return callback
+            return 'self.%s.%s'%(self.get_id(), callback)
+        return map(make_callback, self._callbacks)
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