Removed logging module from examples.

examples/bibtex.py

@@ -13,7 +13,6 @@ import sys
 from arpeggio import *
 from arpeggio.export import PMDOTExport, PTDOTExport
 from arpeggio import RegExMatch as _
-import logging
 
 
 def bibfile():          return ZeroOrMore([bibentry, comment]), EndOfFile
@@ -29,7 +28,8 @@ def comment():          return _(r'[^@]+')
 class BibFileSem(SemanticAction):
     '''Just returns list of child nodes (bibentries).'''
     def first_pass(self, parser, node, nodes):
-        logging.debug("Processing Bibfile")
+        if parser.debug:
+            print "Processing Bibfile"
         return nodes[:-1]
 
 
@@ -37,7 +37,8 @@ class BibEntrySem(SemanticAction):
     '''Constructs a map where key is bibentry field name.
         Key is returned under 'bibkey' key. Type is returned under 'bibtype'.'''
     def first_pass(self, parser, node, nodes):
-        logging.debug("  Processing bibentry %s" % nodes[2])
+        if parser.debug:
+            print "  Processing bibentry %s" % nodes[2]
         bib_entry_map = {
             'bibtype': nodes[0].value,
             'bibkey': nodes[2].value
@@ -51,7 +52,8 @@ class BibEntrySem(SemanticAction):
 class FieldSem(SemanticAction):
     '''Constructs a tuple (fieldname, fieldvalue).'''
     def first_pass(self, parser, node, nodes):
-        logging.debug("    Processing field %s" % nodes[0])
+        if parser.debug:
+            print "    Processing field %s" % nodes[0]
         field = (nodes[0].value, nodes[3])
         return field
 
@@ -75,13 +77,10 @@ field.sem = FieldSem()
 fieldvalue.sem = FieldValueSem()
 
 if __name__ == "__main__":
-    try:
-        logging.basicConfig(level=logging.DEBUG)
-
     # First we will make a parser - an instance of the bib parser model.
     # Parser model is given in the form of python constructs therefore we
     # are using ParserPython class.
-        parser = ParserPython(bibfile, reduce_tree=True)
+    parser = ParserPython(bibfile, reduce_tree=True, debug=True)
 
     # Then we export it to a dot file in order to visualise it. This is
     # particulary handy for debugging purposes.
@@ -109,5 +108,3 @@ if __name__ == "__main__":
     else:
         print "Usage: python bibtex.py file_to_parse"
 
-    except NoMatch, e:
-        print "Expected %s at position %s." % (e.value, str(e.parser.pos_to_linecol(e.position)))

examples/calc_peg.py

@@ -16,7 +16,6 @@
 from arpeggio import *
 from arpeggio.peg import ParserPEG
 from arpeggio.export import PMDOTExport, PTDOTExport
-import logging        
 
 # Semantic actions
 from calc import ToFloat, Factor, Term, Expr, Calc
@@ -41,12 +40,11 @@ sem_actions = {
 }
 
 try:
-    logging.basicConfig(level=logging.DEBUG)
 
     # First we will make a parser - an instance of the calc parser model.
     # Parser model is given in the form of PEG notation therefore we
     # are using ParserPEG class. Root rule name (parsing expression) is "calc".
-    parser = ParserPEG(calc_grammar, "calc")
+    parser = ParserPEG(calc_grammar, "calc", debug=True)
 
 
     # Then we export it to a dot file.

examples/json.py

@@ -36,7 +36,6 @@ value
 from arpeggio import *
 from arpeggio.export import PMDOTExport, PTDOTExport
 from arpeggio import RegExMatch as _
-import logging
 
 def TRUE():     return "true"
 def FALSE():    return "false"