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Same name functions , the pythonnet donl't found right function. #782

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jiftle opened this issue Nov 19, 2018 · 6 comments
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Same name functions , the pythonnet donl't found right function. #782

jiftle opened this issue Nov 19, 2018 · 6 comments
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@filmor

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@jiftle
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jiftle commented Nov 19, 2018

Environment

  • Pythonnet version: 2.3
  • Python version: Python 3.6.4 (v3.6.4:d48eceb, Dec 19 2017, 06:04:45) [MSC v.1900 32 bit (Intel)]
  • Operating System: win7 x64

Details

  • Same name functions , the pythonnet donl't found right function.
    error info
Traceback (most recent call last):
  File "testdll.py", line 111, in <module>
    ret = _Interpreter.csc(1, filename, paramlist, errMsg)
TypeError: No method matches given arguments

mycode

public int csc(int type, string filename, strtParam[] paramArray, ref string strErr)
public int csc(string filename, strtParam[] paramArray, ref string strErr)
  • Modify code ,use different function name just successed.
    midify code
public int cscPT(int type, string filename, strtParam[] paramArray, ref string strErr)
        {
            return csc(type, filename, paramArray, ref strErr);
        }
@filmor
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filmor commented Nov 19, 2018

So, the modified code works?

@jiftle
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jiftle commented Nov 19, 2018

@filmor
yes , it work good.

@filmor
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filmor commented Nov 19, 2018 •
edited
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That's strange, I'll try to reproduce it.

@jiftle
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jiftle commented Nov 19, 2018

@filmor
thank you very much, you are good author.

@filmor filmor self-assigned this Nov 19, 2018
@den-run-ai
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This is from the method overloading pile, let me know if this is not covered by existing items:

#265

@lostmsu
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lostmsu commented Jan 24, 2019

Just got this error. Can anyone explain why this happens when one of my overloads has matching number of arguments, and they are all of type object? E.g. surely this one can be called. Or does this error happen also when there's an ambiguity? In the later case, can the error be fixed to indicate that?

@lostmsu lostmsu mentioned this issue Jan 28, 2019
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lostmsu added a commit to losttech/pythonnet that referenced this issue Feb 11, 2019
@lostmsu
provide detailed error message, when an overload can't be found when …
5c9fa40 
…calling C# from Python

Related: pythonnet#811, pythonnet#265, pythonnet#782
lostmsu added a commit to losttech/pythonnet that referenced this issue Jun 26, 2019
@lostmsu
provide detailed error message, when an overload can't be found when …
ba8cad2 
…calling C# from Python

Related: pythonnet#811, pythonnet#265, pythonnet#782
filmor pushed a commit that referenced this issue Jun 28, 2019
@lostmsu @filmor
Improve "No method matches given arguments" message with more details (…
df0574d 
…#900)

* generate more useful message, when a .NET overload can't be found, that matches Python parameter types
* provide detailed error message, when an overload can't be found when calling C# from Python

Related: #811, #265, #782
@jiftle jiftle closed this as completed Sep 3, 2019
AlexCatarino pushed a commit to QuantConnect/pythonnet that referenced this issue Jun 18, 2020
@lostmsu @AlexCatarino
Improve "No method matches given arguments" message with more details (…
f08fa5e 
…pythonnet#900)

* generate more useful message, when a .NET overload can't be found, that matches Python parameter types
* provide detailed error message, when an overload can't be found when calling C# from Python

Related: pythonnet#811, pythonnet#265, pythonnet#782
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@filmor @lostmsu @den-run-ai @jiftle