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SystemError while compiling PIL.Image
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SystemError while compiling PIL.Image
by William Reade
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Transcript follows. The contents of the file don't look obviously weird.
Does anyone have any idea what the problem might be? Cheers William ------------------------------------------------------------------------- C:\dev\ironclad>ipy -X:ExceptionDetail C:\Python26\Lib\site-packages\PIL\Image.py Object reference not set to an instance of an object. at IronPython.Compiler.Ast.GlobalAllocator.GetVariable(AstGenerator ag, PythonVariable variable) at IronPython.Compiler.Ast.NameExpression.Transform(AstGenerator ag, Type type) at IronPython.Compiler.Ast.FunctionDefinition.TransformParameters(AstGenerator outer, AstGenerator inner, List`1 defaults, List`1 names, Boolean needsWrapperMethod, List`1 init) at IronPython.Compiler.Ast.FunctionDefinition.TransformToFunctionExpression(AstGenerator ag) at IronPython.Compiler.Ast.FunctionDefinition.Transform(AstGenerator ag) at IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Statement fromStmt) at IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Statement body, SourceLocation prevStart) at IronPython.Compiler.Ast.AstGenerator.Transform(Statement[] from) at IronPython.Compiler.Ast.SuiteStatement.Transform(AstGenerator ag) at IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Statement fromStmt) at IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Statement body, SourceLocation prevStart) at IronPython.Compiler.Ast.IfStatement.Transform(AstGenerator ag) at IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Statement fromStmt) at IronPython.Compiler.Ast.FunctionDefinition.TryTransformBody(AstGenerator ag, List`1 statements) at IronPython.Compiler.Ast.FunctionDefinition.TransformToFunctionExpression(AstGenerator ag) at IronPython.Compiler.Ast.FunctionDefinition.Transform(AstGenerator ag) at IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Statement fromStmt) at IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Statement body, SourceLocation prevStart) at IronPython.Compiler.Ast.AstGenerator.Transform(Statement[] from) at IronPython.Compiler.Ast.SuiteStatement.Transform(AstGenerator ag) at IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Statement fromStmt) at IronPython.Compiler.Ast.ClassDefinition.Transform(AstGenerator ag) at IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Statement fromStmt) at IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Statement body, SourceLocation prevStart) at IronPython.Compiler.Ast.AstGenerator.Transform(Statement[] from) at IronPython.Compiler.Ast.SuiteStatement.Transform(AstGenerator ag) at IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Statement fromStmt) at IronPython.Compiler.Ast.PythonAst.Transform(AstGenerator ag) at IronPython.Compiler.Ast.PythonAst.TransformToAst(CompilationMode mode, CompilerContext context) at IronPython.Runtime.PythonContext.CompilePythonCode(Nullable`1 compilationMode, SourceUnit sourceUnit, CompilerOptions options, ErrorSink errorSink) at IronPython.Runtime.PythonContext.GetScriptCode(SourceUnit sourceCode, String moduleName, ModuleOptions options, Nullable`1 mode) at IronPython.Runtime.PythonContext.GetScriptCode(SourceUnit sourceCode, String moduleName, ModuleOptions options) at IronPython.Runtime.PythonContext.CompileModule(String fileName, String moduleName, SourceUnit sourceCode, ModuleOptions options, ScriptCode& scriptCode) at IronPython.Hosting.PythonCommandLine.RunFileWorker(String fileName) at IronPython.Hosting.PythonCommandLine.RunFile(String fileName) SystemError: Object reference not set to an instance of an object. ------------------------------------------------------------------------- _______________________________________________ Users mailing list Users@... http://lists.ironpython.com/listinfo.cgi/users-ironpython.com |
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Re: SystemError while compiling PIL.Image
by Dino Viehland
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Is there a parameter with a default value that is a name? If so what is the
scope of the name in relation to the function definition? > -----Original Message----- > From: users-bounces@... [mailto:users- > bounces@...] On Behalf Of William Reade > Sent: Thursday, October 22, 2009 6:37 AM > To: Discussion of IronPython > Subject: [IronPython] SystemError while compiling PIL.Image > > Transcript follows. The contents of the file don't look obviously > weird. > Does anyone have any idea what the problem might be? > > Cheers > William > > ----------------------------------------------------------------------- > -- > > C:\dev\ironclad>ipy -X:ExceptionDetail > C:\Python26\Lib\site-packages\PIL\Image.py > Object reference not set to an instance of an object. > at IronPython.Compiler.Ast.GlobalAllocator.GetVariable(AstGenerator > ag, PythonVariable variable) > at IronPython.Compiler.Ast.NameExpression.Transform(AstGenerator > ag, > Type type) > at > IronPython.Compiler.Ast.FunctionDefinition.TransformParameters(AstGener > ator > outer, AstGenerator inner, List`1 defaults, List`1 names, Boolean > needsWrapperMethod, List`1 init) > at > IronPython.Compiler.Ast.FunctionDefinition.TransformToFunctionExpressio > n(AstGenerator > ag) > at > IronPython.Compiler.Ast.FunctionDefinition.Transform(AstGenerator ag) > at > IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > ement > fromStmt) > at > IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Stat > ement > body, SourceLocation prevStart) > at IronPython.Compiler.Ast.AstGenerator.Transform(Statement[] from) > at IronPython.Compiler.Ast.SuiteStatement.Transform(AstGenerator > ag) > at > IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > ement > fromStmt) > at > IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Stat > ement > body, SourceLocation prevStart) > at IronPython.Compiler.Ast.IfStatement.Transform(AstGenerator ag) > at > IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > ement > fromStmt) > at > IronPython.Compiler.Ast.FunctionDefinition.TryTransformBody(AstGenerato > r > ag, List`1 statements) > at > IronPython.Compiler.Ast.FunctionDefinition.TransformToFunctionExpressio > n(AstGenerator > ag) > at > IronPython.Compiler.Ast.FunctionDefinition.Transform(AstGenerator ag) > at > IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > ement > fromStmt) > at > IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Stat > ement > body, SourceLocation prevStart) > at IronPython.Compiler.Ast.AstGenerator.Transform(Statement[] from) > at IronPython.Compiler.Ast.SuiteStatement.Transform(AstGenerator > ag) > at > IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > ement > fromStmt) > at IronPython.Compiler.Ast.ClassDefinition.Transform(AstGenerator > ag) > at > IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > ement > fromStmt) > at > IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Stat > ement > body, SourceLocation prevStart) > at IronPython.Compiler.Ast.AstGenerator.Transform(Statement[] from) > at IronPython.Compiler.Ast.SuiteStatement.Transform(AstGenerator > ag) > at > IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > ement > fromStmt) > at IronPython.Compiler.Ast.PythonAst.Transform(AstGenerator ag) > at IronPython.Compiler.Ast.PythonAst.TransformToAst(CompilationMode > mode, CompilerContext context) > at IronPython.Runtime.PythonContext.CompilePythonCode(Nullable`1 > compilationMode, SourceUnit sourceUnit, CompilerOptions options, > ErrorSink errorSink) > at IronPython.Runtime.PythonContext.GetScriptCode(SourceUnit > sourceCode, String moduleName, ModuleOptions options, Nullable`1 mode) > at IronPython.Runtime.PythonContext.GetScriptCode(SourceUnit > sourceCode, String moduleName, ModuleOptions options) > at IronPython.Runtime.PythonContext.CompileModule(String fileName, > String moduleName, SourceUnit sourceCode, ModuleOptions options, > ScriptCode& scriptCode) > at IronPython.Hosting.PythonCommandLine.RunFileWorker(String > fileName) > at IronPython.Hosting.PythonCommandLine.RunFile(String fileName) > SystemError: Object reference not set to an instance of an object. > > ----------------------------------------------------------------------- > -- > _______________________________________________ > Users mailing list > Users@... > http://lists.ironpython.com/listinfo.cgi/users-ironpython.com Users mailing list Users@... http://lists.ironpython.com/listinfo.cgi/users-ironpython.com |
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Re: SystemError while compiling PIL.Image
by William Reade
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Hi Dino
If I comment out 2 methods, the file parses fine. Uncommenting either is enough to cause it to fail. def convert(self, mode=None, data=None, dither=None, palette=WEB, colors=256): def rotate(self, angle, resample=NEAREST, expand=0): WEB and NEAREST are both set to 0 at module level; convert and rotate are both methods on the module-level old-style class Image. The only obvious common feature is that both have a non-name default parameter following a name default parameter, but I haven't managed to produce a minimal repro. If you're allowed to just look at other people's code willy-nilly, the file is Image.py in PIL 1.16 :). Cheers william Dino Viehland wrote: > Is there a parameter with a default value that is a name? If so what is the > scope of the name in relation to the function definition? > >> -----Original Message----- >> From: users-bounces@... [mailto:users- >> bounces@...] On Behalf Of William Reade >> Sent: Thursday, October 22, 2009 6:37 AM >> To: Discussion of IronPython >> Subject: [IronPython] SystemError while compiling PIL.Image >> >> Transcript follows. The contents of the file don't look obviously >> weird. >> Does anyone have any idea what the problem might be? >> >> Cheers >> William >> >> ----------------------------------------------------------------------- >> -- >> >> C:\dev\ironclad>ipy -X:ExceptionDetail >> C:\Python26\Lib\site-packages\PIL\Image.py >> Object reference not set to an instance of an object. >> at IronPython.Compiler.Ast.GlobalAllocator.GetVariable(AstGenerator >> ag, PythonVariable variable) >> at IronPython.Compiler.Ast.NameExpression.Transform(AstGenerator >> ag, >> Type type) >> at >> IronPython.Compiler.Ast.FunctionDefinition.TransformParameters(AstGener >> ator >> outer, AstGenerator inner, List`1 defaults, List`1 names, Boolean >> needsWrapperMethod, List`1 init) >> at >> IronPython.Compiler.Ast.FunctionDefinition.TransformToFunctionExpressio >> n(AstGenerator >> ag) >> at >> IronPython.Compiler.Ast.FunctionDefinition.Transform(AstGenerator ag) >> at >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat >> ement >> fromStmt) >> at >> IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Stat >> ement >> body, SourceLocation prevStart) >> at IronPython.Compiler.Ast.AstGenerator.Transform(Statement[] from) >> at IronPython.Compiler.Ast.SuiteStatement.Transform(AstGenerator >> ag) >> at >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat >> ement >> fromStmt) >> at >> IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Stat >> ement >> body, SourceLocation prevStart) >> at IronPython.Compiler.Ast.IfStatement.Transform(AstGenerator ag) >> at >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat >> ement >> fromStmt) >> at >> IronPython.Compiler.Ast.FunctionDefinition.TryTransformBody(AstGenerato >> r >> ag, List`1 statements) >> at >> IronPython.Compiler.Ast.FunctionDefinition.TransformToFunctionExpressio >> n(AstGenerator >> ag) >> at >> IronPython.Compiler.Ast.FunctionDefinition.Transform(AstGenerator ag) >> at >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat >> ement >> fromStmt) >> at >> IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Stat >> ement >> body, SourceLocation prevStart) >> at IronPython.Compiler.Ast.AstGenerator.Transform(Statement[] from) >> at IronPython.Compiler.Ast.SuiteStatement.Transform(AstGenerator >> ag) >> at >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat >> ement >> fromStmt) >> at IronPython.Compiler.Ast.ClassDefinition.Transform(AstGenerator >> ag) >> at >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat >> ement >> fromStmt) >> at >> IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Stat >> ement >> body, SourceLocation prevStart) >> at IronPython.Compiler.Ast.AstGenerator.Transform(Statement[] from) >> at IronPython.Compiler.Ast.SuiteStatement.Transform(AstGenerator >> ag) >> at >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat >> ement >> fromStmt) >> at IronPython.Compiler.Ast.PythonAst.Transform(AstGenerator ag) >> at IronPython.Compiler.Ast.PythonAst.TransformToAst(CompilationMode >> mode, CompilerContext context) >> at IronPython.Runtime.PythonContext.CompilePythonCode(Nullable`1 >> compilationMode, SourceUnit sourceUnit, CompilerOptions options, >> ErrorSink errorSink) >> at IronPython.Runtime.PythonContext.GetScriptCode(SourceUnit >> sourceCode, String moduleName, ModuleOptions options, Nullable`1 mode) >> at IronPython.Runtime.PythonContext.GetScriptCode(SourceUnit >> sourceCode, String moduleName, ModuleOptions options) >> at IronPython.Runtime.PythonContext.CompileModule(String fileName, >> String moduleName, SourceUnit sourceCode, ModuleOptions options, >> ScriptCode& scriptCode) >> at IronPython.Hosting.PythonCommandLine.RunFileWorker(String >> fileName) >> at IronPython.Hosting.PythonCommandLine.RunFile(String fileName) >> SystemError: Object reference not set to an instance of an object. >> >> ----------------------------------------------------------------------- >> -- >> _______________________________________________ >> Users mailing list >> Users@... >> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com > _______________________________________________ > Users mailing list > Users@... > http://lists.ironpython.com/listinfo.cgi/users-ironpython.com > _______________________________________________ Users mailing list Users@... http://lists.ironpython.com/listinfo.cgi/users-ironpython.com |
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Re: SystemError while compiling PIL.Image
by Dino Viehland
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This seems to be the simple repro:
X = (42, 43) class Y: def outer_f(self): def f((a,b)=X): return a, b return f The fix for this probably won't make it into RC2 and I'm not sure about 2.6.0 either but it'll definitely make it into 2.6.1 at the latest. Interestingly while this certainly regressed since 2.0 our name binding here has been subtly broken and other changes just exposed it. I actually have another set of changes I've been working on which unbreak it but it's best to fix the name binding :) > -----Original Message----- > From: users-bounces@... [mailto:users- > bounces@...] On Behalf Of William Reade > Sent: Friday, October 23, 2009 2:41 AM > To: Discussion of IronPython > Subject: Re: [IronPython] SystemError while compiling PIL.Image > > Hi Dino > > If I comment out 2 methods, the file parses fine. Uncommenting either is > enough to cause it to fail. > > def convert(self, mode=None, data=None, dither=None, palette=WEB, > colors=256): > > def rotate(self, angle, resample=NEAREST, expand=0): > > WEB and NEAREST are both set to 0 at module level; convert and rotate > are both methods on the module-level old-style class Image. The only > obvious common feature is that both have a non-name default parameter > following a name default parameter, but I haven't managed to produce a > minimal repro. > > If you're allowed to just look at other people's code willy-nilly, the > file is Image.py in PIL 1.16 :). > > Cheers > william > > > > > Dino Viehland wrote: > > Is there a parameter with a default value that is a name? If so what is the > > scope of the name in relation to the function definition? > > > >> -----Original Message----- > >> From: users-bounces@... [mailto:users- > >> bounces@...] On Behalf Of William Reade > >> Sent: Thursday, October 22, 2009 6:37 AM > >> To: Discussion of IronPython > >> Subject: [IronPython] SystemError while compiling PIL.Image > >> > >> Transcript follows. The contents of the file don't look obviously > >> weird. > >> Does anyone have any idea what the problem might be? > >> > >> Cheers > >> William > >> > >> ----------------------------------------------------------------------- > >> -- > >> > >> C:\dev\ironclad>ipy -X:ExceptionDetail > >> C:\Python26\Lib\site-packages\PIL\Image.py > >> Object reference not set to an instance of an object. > >> at IronPython.Compiler.Ast.GlobalAllocator.GetVariable(AstGenerator > >> ag, PythonVariable variable) > >> at IronPython.Compiler.Ast.NameExpression.Transform(AstGenerator > >> ag, > >> Type type) > >> at > >> IronPython.Compiler.Ast.FunctionDefinition.TransformParameters(AstGener > >> ator > >> outer, AstGenerator inner, List`1 defaults, List`1 names, Boolean > >> needsWrapperMethod, List`1 init) > >> at > >> IronPython.Compiler.Ast.FunctionDefinition.TransformToFunctionExpressio > >> n(AstGenerator > >> ag) > >> at > >> IronPython.Compiler.Ast.FunctionDefinition.Transform(AstGenerator ag) > >> at > >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > >> ement > >> fromStmt) > >> at > >> IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Stat > >> ement > >> body, SourceLocation prevStart) > >> at IronPython.Compiler.Ast.AstGenerator.Transform(Statement[] from) > >> at IronPython.Compiler.Ast.SuiteStatement.Transform(AstGenerator > >> ag) > >> at > >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > >> ement > >> fromStmt) > >> at > >> IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Stat > >> ement > >> body, SourceLocation prevStart) > >> at IronPython.Compiler.Ast.IfStatement.Transform(AstGenerator ag) > >> at > >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > >> ement > >> fromStmt) > >> at > >> IronPython.Compiler.Ast.FunctionDefinition.TryTransformBody(AstGenerato > >> r > >> ag, List`1 statements) > >> at > >> IronPython.Compiler.Ast.FunctionDefinition.TransformToFunctionExpressio > >> n(AstGenerator > >> ag) > >> at > >> IronPython.Compiler.Ast.FunctionDefinition.Transform(AstGenerator ag) > >> at > >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > >> ement > >> fromStmt) > >> at > >> IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Stat > >> ement > >> body, SourceLocation prevStart) > >> at IronPython.Compiler.Ast.AstGenerator.Transform(Statement[] from) > >> at IronPython.Compiler.Ast.SuiteStatement.Transform(AstGenerator > >> ag) > >> at > >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > >> ement > >> fromStmt) > >> at IronPython.Compiler.Ast.ClassDefinition.Transform(AstGenerator > >> ag) > >> at > >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > >> ement > >> fromStmt) > >> at > >> IronPython.Compiler.Ast.AstGenerator.TransformMaybeSingleLineSuite(Stat > >> ement > >> body, SourceLocation prevStart) > >> at IronPython.Compiler.Ast.AstGenerator.Transform(Statement[] from) > >> at IronPython.Compiler.Ast.SuiteStatement.Transform(AstGenerator > >> ag) > >> at > >> IronPython.Compiler.Ast.AstGenerator.TransformWithLineNumberUpdate(Stat > >> ement > >> fromStmt) > >> at IronPython.Compiler.Ast.PythonAst.Transform(AstGenerator ag) > >> at IronPython.Compiler.Ast.PythonAst.TransformToAst(CompilationMode > >> mode, CompilerContext context) > >> at IronPython.Runtime.PythonContext.CompilePythonCode(Nullable`1 > >> compilationMode, SourceUnit sourceUnit, CompilerOptions options, > >> ErrorSink errorSink) > >> at IronPython.Runtime.PythonContext.GetScriptCode(SourceUnit > >> sourceCode, String moduleName, ModuleOptions options, Nullable`1 mode) > >> at IronPython.Runtime.PythonContext.GetScriptCode(SourceUnit > >> sourceCode, String moduleName, ModuleOptions options) > >> at IronPython.Runtime.PythonContext.CompileModule(String fileName, > >> String moduleName, SourceUnit sourceCode, ModuleOptions options, > >> ScriptCode& scriptCode) > >> at IronPython.Hosting.PythonCommandLine.RunFileWorker(String > >> fileName) > >> at IronPython.Hosting.PythonCommandLine.RunFile(String fileName) > >> SystemError: Object reference not set to an instance of an object. > >> > >> ----------------------------------------------------------------------- > >> -- > >> _______________________________________________ > >> Users mailing list > >> Users@... > >> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com > > _______________________________________________ > > Users mailing list > > Users@... > > http://lists.ironpython.com/listinfo.cgi/users-ironpython.com > > > > _______________________________________________ > Users mailing list > Users@... > http://lists.ironpython.com/listinfo.cgi/users-ironpython.com Users mailing list Users@... http://lists.ironpython.com/listinfo.cgi/users-ironpython.com |
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