Fixing PEP8 violations in peg_peg.

examples/peg_peg.py

@@ -12,28 +12,29 @@
 ##############################################################################
 from arpeggio import *
 from arpeggio.export import PMDOTExport, PTDOTExport
-from arpeggio import RegExMatch as _
 from arpeggio.peg import ParserPEG
 import logging
 
 # Semantic actions
-from arpeggio.peg import SemGrammar, SemRule, SemOrderedChoice, SemSequence, SemPrefix, \
-                SemSufix, SemExpression, SemRegEx, SemIdentifier, SemLiteral, SemTerminal
+from arpeggio.peg import SemGrammar, SemRule, SemOrderedChoice, SemSequence,\
+    SemPrefix, SemSufix, SemExpression, SemRegEx, SemIdentifier, SemLiteral,\
+    SemTerminal
 
 sem_actions = {
-    "grammar"           : SemGrammar(),
-    "rule"              : SemRule(),
-    "ordered_choice"    : SemOrderedChoice(),
-    "sequence"          : SemSequence(),
-    "prefix"            : SemPrefix(),
-    "sufix"             : SemSufix(),
-    "expression"        : SemExpression(),
-    "regex"             : SemRegEx(),
-    "identifier"        : SemIdentifier(),
-    "literal"           : SemLiteral() 
+    "grammar":         SemGrammar(),
+    "rule":            SemRule(),
+    "ordered_choice":  SemOrderedChoice(),
+    "sequence":        SemSequence(),
+    "prefix":          SemPrefix(),
+    "sufix":           SemSufix(),
+    "expression":      SemExpression(),
+    "regex":           SemRegEx(),
+    "identifier":      SemIdentifier(),
+    "literal":         SemLiteral()
 }
 
-for sem in ["LEFT_ARROW", "SLASH", "STAR", "QUESTION", "PLUS", "AND", "NOT", "OPEN", "CLOSE"]:
+for sem in ["LEFT_ARROW", "SLASH", "STAR", "QUESTION", "PLUS", "AND", "NOT",
+            "OPEN", "CLOSE"]:
     sem_actions[sem] = SemTerminal()
 
 
@@ -76,9 +77,9 @@ try:
     PMDOTExport().exportFile(parser.parser_model,
                              "peg_peg_parser_model.dot")
 
-    # Now we will use created parser to parse the same peg_grammar used for parser
-    # initialization. We can parse peg_grammar because it is specified using
-    # PEG itself.
+    # Now we will use created parser to parse the same peg_grammar used for
+    # parser initialization. We can parse peg_grammar because it is specified
+    # using PEG itself.
     parser.parse(peg_grammar)
 
     PTDOTExport().exportFile(parser.parse_tree,
@@ -98,6 +99,6 @@ try:
     parser.parser_model = asg
     parser.parse(peg_grammar)
 
-
 except NoMatch, e:
-    print "Expected %s at position %s." % (e.value, str(e.parser.pos_to_linecol(e.position)))
+    print "Expected %s at position %s." % \
+          (e.value, str(e.parser.pos_to_linecol(e.position)))