[Commit-gnuradio] [gnuradio] 05/23: grc: refactoring Messages.py

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commit 5c544a06e2d129a5ac0d2cfe6fc0b4d32e8a1849
Author: Sebastian Koslowski <address@hidden>
Date:   Mon Oct 12 16:33:53 2015 +0200

    grc: refactoring Messages.py
---
 grc/base/FlowGraph.py |  2 +-
 grc/gui/Messages.py   | 81 +++++++++++++++++++++++++++++++++------------------
 2 files changed, 53 insertions(+), 30 deletions(-)

diff --git a/grc/base/FlowGraph.py b/grc/base/FlowGraph.py
index f61542c..5d600e2 100644
--- a/grc/base/FlowGraph.py
+++ b/grc/base/FlowGraph.py
@@ -368,7 +368,7 @@ class FlowGraph(Element):
                 block = self.get_new_block('dummy_block')
                 # Ugly ugly ugly
                 _initialize_dummy_block(block, block_n)
-                Messages.send_error_msg_load('Block key "%s" not found in %s' 
% (key, self.get_parent()))
+                Messages.send_error_msg_load('Block key "%s" not found' % key)
 
             block.import_data(block_n)
         #build the connections
diff --git a/grc/gui/Messages.py b/grc/gui/Messages.py
index 61692b4..32c6cf1 100644
--- a/grc/gui/Messages.py
+++ b/grc/gui/Messages.py
@@ -21,8 +21,9 @@ import traceback
 import sys
 import os
 
-## A list of functions that can receive a message.
+#  A list of functions that can receive a message.
 MESSENGERS_LIST = list()
+_indent = ''
 
 
 def register_messenger(messenger):
@@ -35,6 +36,11 @@ def register_messenger(messenger):
     MESSENGERS_LIST.append(messenger)
 
 
+def set_indent(level=0):
+    global _indent
+    _indent = '    ' * level
+
+
 def send(message):
     """
     Give the message to each of the messengers.
@@ -42,17 +48,22 @@ def send(message):
     Args:
         message: a message string
     """
-    for messenger in MESSENGERS_LIST: messenger(message)
+    for messenger in MESSENGERS_LIST:
+        messenger(_indent + message)
 
-#register stdout by default
+# register stdout by default
 register_messenger(sys.stdout.write)
 
+
 ###########################################################################
 # Special functions for specific program functionalities
 ###########################################################################
 def send_init(platform):
     p = platform
-    get_paths = lambda x: (os.path.abspath(os.path.expanduser(x)), x)
+
+    def get_paths(x):
+        return os.path.abspath(os.path.expanduser(x)), x
+
     send('\n'.join([
         "<<< Welcome to %s %s >>>" % (p.get_name(), p.get_version()),
         "",
@@ -60,71 +71,83 @@ def send_init(platform):
         "Block paths:"
     ] + [
         "\t%s" % path + (" (%s)" % opath if opath != path else "")
-            for path, opath in map(get_paths, p.get_block_paths())
+        for path, opath in map(get_paths, p.get_block_paths())
     ]) + "\n")
 
+
 def send_page_switch(file_path):
-    send('\nShowing: "%s"\n'%file_path)
+    send('\nShowing: "%s"\n' % file_path)
+
 
-################# functions for loading blocks 
########################################
 def send_xml_errors_if_any(xml_failures):
     if xml_failures:
-        send('\nXML parser: Found {0} erroneous XML file{1} while loading the 
block tree '
-             '(see "Help/Parser errors" for 
details)\n'.format(len(xml_failures), 's' if len(xml_failures) > 1 else ''))
+        send('\nXML parser: Found {0} erroneous XML file{1} while loading the '
+             'block tree (see "Help/Parser errors" for details)\n'.format(
+                    len(xml_failures), 's' if len(xml_failures) > 1 else ''))
+
 
-################# functions for loading flow graphs 
########################################
 def send_start_load(file_path):
-    send('\nLoading: "%s"'%file_path + '\n')
+    send('\nLoading: "%s"\n' % file_path)
+
 
 def send_error_msg_load(error):
     send('>>> Error: %s\n' % error)
 
+
 def send_error_load(error):
     send_error_msg_load(error)
     traceback.print_exc()
 
+
 def send_end_load():
     send('>>> Done\n')
 
+
 def send_fail_load(error):
-    send('Error: %s\n'%error)
-    send('>>> Failure\n')
+    send('Error: %s\n>>> Failure\n' % error)
     traceback.print_exc()
 
-################# functions for generating flow graphs  
########################################
+
 def send_start_gen(file_path):
-    send('\nGenerating: "%s"'%file_path + '\n')
+    send('\nGenerating: %r\n' % file_path)
+
+
+def send_auto_gen(file_path):
+    send('>>> Generating: %r\n' % file_path)
+
 
 def send_fail_gen(error):
-    send('Generate Error: %s\n'%error)
-    send('>>> Failure\n')
+    send('Generate Error: %s\n>>> Failure\n' % error)
     traceback.print_exc()
 
-################# functions for executing flow graphs   
########################################
+
 def send_start_exec(file_path):
-    send('\nExecuting: ' + repr(file_path) + '\n')
+    send('\nExecuting: %r\n' % file_path)
+
 
 def send_verbose_exec(verbose):
     send(verbose)
 
-def send_end_exec(returncode=0):
-    send('\n>>> Done%s\n' % (" (return code %s)" % returncode if returncode 
else ""))
 
-################# functions for saving flow graphs  
########################################
+def send_end_exec(code=0):
+    send('\n>>> Done%s\n' % (" (return code %s)" % code if code else ""))
+
+
 def send_fail_save(file_path):
-    send('>>> Error: Cannot save: %s\n'%file_path)
+    send('>>> Error: Cannot save: %s\n' % file_path)
+
 
-################# functions for connections 
########################################
 def send_fail_connection():
     send('>>> Error: Cannot create connection.\n')
 
-################# functions for preferences 
########################################
+
 def send_fail_load_preferences(prefs_file_path):
-    send('>>> Error: Cannot load preferences file: "%s"\n'%prefs_file_path)
+    send('>>> Error: Cannot load preferences file: "%s"\n' % prefs_file_path)
+
 
 def send_fail_save_preferences(prefs_file_path):
-    send('>>> Error: Cannot save preferences file: "%s"\n'%prefs_file_path)
+    send('>>> Error: Cannot save preferences file: "%s"\n' % prefs_file_path)
+
 
-################# functions for warning 
########################################
 def send_warning(warning):
-    send('>>> Warning: %s\n'%warning)
+    send('>>> Warning: %s\n' % warning)