Skip to content

Instantly share code, notes, and snippets.

@mdboom

mdboom/pyparsing_py3.diff

Created March 14, 2011 14:44
Show Gist options
  • Save mdboom/869225 to your computer and use it in GitHub Desktop.
Save mdboom/869225 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
pyparsing_py3.diff
--- src/pyparsing_py3.py 2011-03-11 13:18:54.000000000 -0500
+++ ../matplotlib-py3/lib/matplotlib/pyparsing_py3.py 2011-03-11 12:40:24.000000000 -0500
@@ -58,8 +58,8 @@
- embedded comments
"""
-__version__ = "1.5.4"
-__versionTime__ = "10 Aug 2010 09:19"
+__version__ = "1.5.5"
+__versionTime__ = "12 Aug 2010 03:56"
__author__ = "Paul McGuire <[email protected]>"
import string
@@ -139,10 +139,10 @@
# build list of single arg builtins, tolerant of Python version, that can be used as parse actions
singleArgBuiltins = []
-import builtin
+import builtins
for fname in "sum len enumerate sorted reversed list tuple set any all".split():
try:
- singleArgBuiltins.append(getattr(builtin,fname))
+ singleArgBuiltins.append(getattr(builtins,fname))
except AttributeError:
continue
@@ -938,15 +938,11 @@
loc,tokens = self.parseImpl( instring, preloc, doActions )
except IndexError:
raise ParseException( instring, len(instring), self.errmsg, self )
- except ParseBaseException:
+ except ParseBaseException as err:
#~ print ("Exception raised:", err)
- err = None
if self.debugActions[2]:
- err = sys.exc_info()[1]
self.debugActions[2]( instring, tokensStart, self, err )
if self.failAction:
- if err is None:
- err = sys.exc_info()[1]
self.failAction( instring, tokensStart, self, err )
raise
else:
@@ -976,10 +972,9 @@
self.resultsName,
asList=self.saveAsList and isinstance(tokens,(ParseResults,list)),
modal=self.modalResults )
- except ParseBaseException:
+ except ParseBaseException as err:
#~ print "Exception raised in user parse action:", err
if (self.debugActions[2] ):
- err = sys.exc_info()[1]
self.debugActions[2]( instring, tokensStart, self, err )
raise
else:
@@ -1010,7 +1005,7 @@
lookup = (self,instring,loc,callPreParse,doActions)
if lookup in ParserElement._exprArgCache:
value = ParserElement._exprArgCache[ lookup ]
- if isinstance(value,Exception):
+ if isinstance(value, Exception):
raise value
return value
else:
@@ -1018,9 +1013,9 @@
value = self._parseNoCache( instring, loc, doActions, callPreParse )
ParserElement._exprArgCache[ lookup ] = (value[0],value[1].copy())
return value
- except ParseBaseException:
- pe = sys.exc_info()[1]
- ParserElement._exprArgCache[ lookup ] = pe
+ except ParseBaseException as err:
+ err.__traceback__ = None
+ ParserElement._exprArgCache[ lookup ] = err
raise
_parse = _parseNoCache
@@ -1089,13 +1084,12 @@
#loc = self.preParse( instring, loc )
se = StringEnd()
se._parse( instring, loc )
- except ParseBaseException:
+ except ParseBaseException as err:
if ParserElement.verbose_stacktrace:
raise
else:
# catch and re-raise exception from here, clears out pyparsing internal stack trace
- exc = sys.exc_info()[1]
- raise exc
+ raise err
else:
return tokens
@@ -1134,13 +1128,12 @@
loc = nextLoc
else:
loc = preloc+1
- except ParseBaseException:
+ except ParseBaseException as err:
if ParserElement.verbose_stacktrace:
raise
else:
# catch and re-raise exception from here, clears out pyparsing internal stack trace
- exc = sys.exc_info()[1]
- raise exc
+ raise err
def transformString( self, instring ):
"""Extension to C{scanString}, to modify matching text with modified tokens that may
@@ -1167,13 +1160,12 @@
lastE = e
out.append(instring[lastE:])
return "".join(map(_ustr,out))
- except ParseBaseException:
+ except ParseBaseException as err:
if ParserElement.verbose_stacktrace:
raise
else:
# catch and re-raise exception from here, clears out pyparsing internal stack trace
- exc = sys.exc_info()[1]
- raise exc
+ raise err
def searchString( self, instring, maxMatches=_MAX_INT ):
"""Another extension to C{scanString}, simplifying the access to the tokens found
@@ -1182,13 +1174,12 @@
"""
try:
return ParseResults([ t for t,s,e in self.scanString( instring, maxMatches ) ])
- except ParseBaseException:
+ except ParseBaseException as err:
if ParserElement.verbose_stacktrace:
raise
else:
# catch and re-raise exception from here, clears out pyparsing internal stack trace
- exc = sys.exc_info()[1]
- raise exc
+ raise err
def __add__(self, other ):
"""Implementation of + operator - returns And"""
@@ -1462,20 +1453,9 @@
f.close()
try:
return self.parseString(file_contents, parseAll)
- except ParseBaseException:
+ except ParseBaseException as err:
# catch and re-raise exception from here, clears out pyparsing internal stack trace
- exc = sys.exc_info()[1]
- raise exc
-
- def getException(self):
- return ParseException("",0,self.errmsg,self)
-
- def __getattr__(self,aname):
- if aname == "myException":
- self.myException = ret = self.getException();
- return ret;
- else:
- raise AttributeError("no such attribute " + aname)
+ raise err
def __eq__(self,other):
if isinstance(other, ParserElement):
@@ -1535,10 +1515,7 @@
#self.myException.msg = self.errmsg
def parseImpl( self, instring, loc, doActions=True ):
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException(instring, loc, self.errmsg, self)
class Literal(Token):
@@ -1567,11 +1544,7 @@
if (instring[loc] == self.firstMatchChar and
(self.matchLen==1 or instring.startswith(self.match,loc)) ):
return loc+self.matchLen, self.match
- #~ raise ParseException( instring, loc, self.errmsg )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
_L = Literal
class Keyword(Token):
@@ -1618,11 +1591,7 @@
(loc >= len(instring)-self.matchLen or instring[loc+self.matchLen] not in self.identChars) and
(loc == 0 or instring[loc-1] not in self.identChars) ):
return loc+self.matchLen, self.match
- #~ raise ParseException( instring, loc, self.errmsg )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
def copy(self):
c = super(Keyword,self).copy()
@@ -1651,11 +1620,7 @@
def parseImpl( self, instring, loc, doActions=True ):
if instring[ loc:loc+self.matchLen ].upper() == self.match:
return loc+self.matchLen, self.returnString
- #~ raise ParseException( instring, loc, self.errmsg )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
class CaselessKeyword(Keyword):
def __init__( self, matchString, identChars=Keyword.DEFAULT_KEYWORD_CHARS ):
@@ -1665,11 +1630,7 @@
if ( (instring[ loc:loc+self.matchLen ].upper() == self.caselessmatch) and
(loc >= len(instring)-self.matchLen or instring[loc+self.matchLen].upper() not in self.identChars) ):
return loc+self.matchLen, self.match
- #~ raise ParseException( instring, loc, self.errmsg )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
class Word(Token):
"""Token for matching words composed of allowed character sets.
@@ -1735,20 +1696,13 @@
if self.re:
result = self.re.match(instring,loc)
if not result:
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException(instring, loc, self.errmsg, self)
loc = result.end()
return loc,result.group()
if not(instring[ loc ] in self.initChars):
- #~ raise ParseException( instring, loc, self.errmsg )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
start = loc
loc += 1
instrlen = len(instring)
@@ -1768,11 +1722,7 @@
throwException = True
if throwException:
- #~ raise ParseException( instring, loc, self.errmsg )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
return loc, instring[start:loc]
@@ -1842,10 +1792,7 @@
def parseImpl( self, instring, loc, doActions=True ):
result = self.re.match(instring,loc)
if not result:
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException(instring, loc, self.errmsg, self)
loc = result.end()
d = result.groupdict()
@@ -1947,10 +1894,7 @@
def parseImpl( self, instring, loc, doActions=True ):
result = instring[loc] == self.firstQuoteChar and self.re.match(instring,loc) or None
if not result:
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException(instring, loc, self.errmsg, self)
loc = result.end()
ret = result.group()
@@ -2017,11 +1961,7 @@
def parseImpl( self, instring, loc, doActions=True ):
if instring[loc] in self.notChars:
- #~ raise ParseException( instring, loc, self.errmsg )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
start = loc
loc += 1
@@ -2032,11 +1972,7 @@
loc += 1
if loc - start < self.minLen:
- #~ raise ParseException( instring, loc, self.errmsg )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
return loc, instring[start:loc]
@@ -2090,11 +2026,7 @@
def parseImpl( self, instring, loc, doActions=True ):
if not(instring[ loc ] in self.matchWhite):
- #~ raise ParseException( instring, loc, self.errmsg )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
start = loc
loc += 1
maxloc = start + self.maxLen
@@ -2103,11 +2035,7 @@
loc += 1
if loc - start < self.minLen:
- #~ raise ParseException( instring, loc, self.errmsg )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
return loc, instring[start:loc]
@@ -2160,11 +2088,7 @@
if not( loc==0 or
(loc == self.preParse( instring, 0 )) or
(instring[loc-1] == "\n") ): #col(loc, instring) != 1:
- #~ raise ParseException( instring, loc, "Expected start of line" )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
return loc, []
class LineEnd(_PositionToken):
@@ -2180,18 +2104,11 @@
if instring[loc] == "\n":
return loc+1, "\n"
else:
- #~ raise ParseException( instring, loc, "Expected end of line" )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
elif loc == len(instring):
return loc+1, []
else:
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
class StringStart(_PositionToken):
"""Matches if current position is at the beginning of the parse string"""
@@ -2204,11 +2121,7 @@
if loc != 0:
# see if entire string up to here is just whitespace and ignoreables
if loc != self.preParse( instring, 0 ):
- #~ raise ParseException( instring, loc, "Expected start of text" )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
return loc, []
class StringEnd(_PositionToken):
@@ -2220,20 +2133,13 @@
def parseImpl( self, instring, loc, doActions=True ):
if loc < len(instring):
- #~ raise ParseException( instring, loc, "Expected end of text" )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
elif loc == len(instring):
return loc+1, []
elif loc > len(instring):
return loc, []
else:
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
class WordStart(_PositionToken):
"""Matches if the current position is at the beginning of a Word, and
@@ -2251,10 +2157,7 @@
if loc != 0:
if (instring[loc-1] in self.wordChars or
instring[loc] not in self.wordChars):
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
return loc, []
class WordEnd(_PositionToken):
@@ -2275,11 +2178,7 @@
if instrlen>0 and loc<instrlen:
if (instring[loc] in self.wordChars or
instring[loc-1] not in self.wordChars):
- #~ raise ParseException( instring, loc, "Expected end of word" )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
return loc, []
@@ -2415,9 +2314,9 @@
loc, exprtokens = e._parse( instring, loc, doActions )
except ParseSyntaxException:
raise
- except ParseBaseException:
- pe = sys.exc_info()[1]
- raise ParseSyntaxException(pe)
+ except ParseBaseException as e:
+ e.__traceback__ = None
+ raise ParseSyntaxException(e)
except IndexError:
raise ParseSyntaxException( ParseException(instring, len(instring), self.errmsg, self) )
else:
@@ -2468,8 +2367,8 @@
for e in self.exprs:
try:
loc2 = e.tryParse( instring, loc )
- except ParseException:
- err = sys.exc_info()[1]
+ except ParseException as err:
+ err.__traceback__ = None
if err.loc > maxExcLoc:
maxException = err
maxExcLoc = err.loc
@@ -2766,11 +2665,7 @@
except (ParseException,IndexError):
pass
else:
- #~ raise ParseException(instring, loc, self.errmsg )
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
return loc, []
def __str__( self ):
@@ -2959,10 +2854,7 @@
raise
else:
loc += 1
- exc = self.myException
- exc.loc = loc
- exc.pstr = instring
- raise exc
+ raise ParseException( instring, loc, self.errmsg, self )
class Forward(ParseElementEnhance):
"""Forward declaration of an expression to be defined later -
@@ -3166,10 +3058,9 @@
sys.stderr.write( ">>entering %s(line: '%s', %d, %s)\n" % (thisFunc,line(l,s),l,t) )
try:
ret = f(*paArgs)
- except Exception:
- exc = sys.exc_info()[1]
+ except Exception as exc:
sys.stderr.write( "<<leaving %s (exception: %s)\n" % (thisFunc,exc) )
- raise
+ raise
sys.stderr.write( "<<leaving %s (ret: %s)\n" % (thisFunc,ret) )
return ret
try:
@@ -3758,8 +3649,7 @@
print ("tokens.columns = " + str(tokens.columns))
print ("tokens.tables = " + str(tokens.tables))
print (tokens.asXML("SQL",True))
- except ParseBaseException:
- err = sys.exc_info()[1]
+ except ParseBaseException as err:
print (teststring + "->")
print (err.line)
print (" "*(err.column-1) + "^")
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment