File newcommand_p2top3.dif of Package texlive-specs-q

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File newcommand_p2top3.dif of Package texlive-specs-q

---
 doc/latex/newcommand/newcommand.py |   51 +++++++++++++++----------------------
 1 file changed, 22 insertions(+), 29 deletions(-)

--- texmf-dist/doc/latex/newcommand/newcommand.py
+++ texmf-dist/doc/latex/newcommand/newcommand.py	2021-06-30 04:58:32.014877683 +0000
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 
 # -----------------------------------------------------------------------
 # Convert a macro prototype to a LaTeX \newcommand
@@ -137,8 +137,7 @@ class CmdParser(GenericParser):
         GenericParser.__init__(self, start)
 
     def error(self, token):
-        raise ParseError, \
-            ("Syntax error", 1+token.charOffset)
+        raise ParseError("Syntax error", 1+token.charOffset)
 
     def p_optarg(self, args):
         ' optarg ::= argtype delim defvals delim '
@@ -196,8 +195,7 @@ class CmdParser(GenericParser):
     def p_arg_3(self, args):
         ' arg ::= rawtext '
         if args[0].attr != "*":
-            raise ParseError, \
-                ('Literal text must be quoted between "{" and "}"',
+            raise ParseError('Literal text must be quoted between "{" and "}"',
                  args[0].charOffset + 1)
         return AST(type='arg',
                    charOffset=args[0].charOffset,
@@ -264,8 +262,7 @@ def flattenAST(ast):
                 node.argList = node.argList + node.kids[0].argList
 
         def default(self, node):
-            raise ParseError, \
-                ('Internal error -- node type "%s" was unexpected' % node.type,
+            raise ParseError('Internal error -- node type "%s" was unexpected' % node.type,
                  1+node.charOffset)
 
     return FlattenAST(ast).argList
@@ -293,8 +290,7 @@ def checkArgList(argList):
     prevformal = 0
     for form, pos in formals:
         if form != prevformal + 1:
-            raise ParseError, \
-                ("Expected parameter %d but saw parameter %d" % (prevformal+1, form), 1+pos)
+            raise ParseError("Expected parameter %d but saw parameter %d" % (prevformal+1, form), 1+pos)
         prevformal = form
 
     # Ensure that "*" appears at most once at the top level.
@@ -302,8 +298,7 @@ def checkArgList(argList):
     for arg in argList:
         if arg[0] == "rawtext" and arg[1] == "*":
             if seenStar:
-                raise ParseError, \
-                    ("Only one star parameter is allowed", arg[2])
+                raise ParseError("Only one star parameter is allowed", arg[2])
             seenStar = True
 
     # Ensure that no optional argument contains more than nine formals.
@@ -314,8 +309,7 @@ def checkArgList(argList):
                 if oarg[0][0] == "#":
                     optFormals += 1
                     if optFormals > 9:
-                        raise ParseError, \
-                            ("An optional argument can contain at most nine formals",
+                        raise ParseError("An optional argument can contain at most nine formals",
                              oarg[2])
 
     # Ensure that "#" is used only where it's allowed.
@@ -325,8 +319,7 @@ def checkArgList(argList):
             if hashidx == 0 or (hashidx > 0 and arg[1][hashidx-1] != "\\"):
                 if arg[0] == "quoted":
                     hashidx += 1
-                raise ParseError, \
-                    ('The "#" character cannot be used as a literal character unless escaped with "\\"',
+                raise ParseError('The "#" character cannot be used as a literal character unless escaped with "\\"',
                      arg[2] + hashidx)
         elif arg[0] == "optarg":
             for oarg in arg[2:]:
@@ -335,8 +328,7 @@ def checkArgList(argList):
                     if hashidx == 0 or (hashidx > 0 and oarg[1][hashidx-1] != "\\"):
                         if oarg[0] == "quoted":
                             hashidx += 1
-                        raise ParseError, \
-                            ('The "#" character cannot be used as a literal character unless escaped with "\\"',
+                        raise ParseError('The "#" character cannot be used as a literal character unless escaped with "\\"',
                              oarg[2] + hashidx)
 
 
@@ -369,7 +361,7 @@ class LaTeXgenerator():
                    ("i",     1)]
         romanStr = ""
         if num > 4000:
-            raise ParseError, ("Too many arguments", 0)
+            raise ParseError("Too many arguments", 0)
         for rom, dec in dec2rom:
             while num >= dec:
                 romanStr += rom
@@ -448,7 +440,7 @@ class LaTeXgenerator():
             argSubtract is subtracted from each argument number.
         '''
         if mode not in ["define", "call", "calldefault"]:
-            raise ParseError, ('Internal error (mode="%s")' % mode, argList[0][2])
+            raise ParseError('Internal error (mode="%s")' % mode, argList[0][2])
         argStr = ""
         findArgRE = re.compile('#(\d+)')
         for arg in argList:
@@ -480,11 +472,11 @@ class LaTeXgenerator():
                     elif oarg[0] == "rawtext":
                         argStr += oarg[1]
                     else:
-                        raise ParseError, ('Internal error ("%s")' % oarg[0],
+                        raise ParseError('Internal error ("%s")' % oarg[0],
                                            oarg[2])
                 argStr += arg[1][1]
             else:
-                raise ParseError, ('Internal error ("%s")' % arg[0], arg[2])
+                raise ParseError('Internal error ("%s")' % arg[0], arg[2])
         return argStr
 
     def callMacro(self, macroNum):
@@ -634,7 +626,7 @@ class LaTeXgenerator():
                 if arg[0] == "argument":
                     formalsSoFar += 1
                 elif arg[0] == "optarg":
-                    formalsSoFar += len(filter(lambda o: o[0][0] == "#", arg[2:]))
+                    formalsSoFar += len([o for o in arg[2:] if o[0][0] == "#"])
 
     def generate(self, argList):
         "Generate LaTeX code from an argument list."
@@ -642,7 +634,7 @@ class LaTeXgenerator():
         self.argList = argList
         self.partitionArgList()
         self.haveAt = len(self.argGroups) > 1
-        self.haveStar = filter(lambda arg: arg[0]=="rawtext" and arg[1]=="*", self.argList) != []
+        self.haveStar = [arg for arg in self.argList if arg[0]=="rawtext" and arg[1]=="*"] != []
         self.topLevelName = self.argList[0][1]
         for arg in self.argList:
             if arg[0] == "argument":
@@ -662,7 +654,7 @@ class LaTeXgenerator():
         if self.haveAt:
             self.codeList.append("\\makeatother")
         for codeLine in self.codeList:
-            print codeLine
+            print(codeLine)
 
 
 # The buck starts here.
@@ -679,7 +671,7 @@ if __name__ == '__main__':
             if oneLine=="" or oneLine[0]=="%":
                 return
             if not isStdin:
-                print prompt, oneLine
+                print(prompt, oneLine)
             scanner = CmdScanner()
             parser = CmdParser()
             tokens = scanner.tokenize(oneLine)
@@ -688,23 +680,24 @@ if __name__ == '__main__':
             checkArgList(argList)
             gen = LaTeXgenerator()
             gen.generate(argList)
-        except ParseError,(message, pos):
+        except ParseError as xxx_todo_changeme:
+            (message, pos) = xxx_todo_changeme.args
             sys.stderr.write((" "*(len(prompt)+pos)) + "^\n")
             sys.stderr.write("%s: %s.\n" % (sys.argv[0], message))
         if isStdin:
-            print ""
+            print("")
 
     sys.setrecursionlimit(5000)
     prompt = "% Prototype:"
     if len(sys.argv) <= 1:
         isStdin = 1
-        print prompt + " ",
+        print(prompt + " ", end=' ')
         while 1:
             oneLine = sys.stdin.readline()
             if not oneLine:
                 break
             processLine()
-            print prompt + " ",
+            print(prompt + " ", end=' ')
     else:
         isStdin = 0
         oneLine = string.join(sys.argv[1:])

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