[Python.NET] Re: BadImageFormatException or FileNotFoundException- pythonnet and AlphaVSS
Alex Earl <[email protected]> Mon, 11 Jul 2022 06:38:56 -0700
| Newsgroups | gmane.comp.python.dotnet |
|---|---|
| Message-ID | <CAPiUgVdiH3DkqjXucsa=h=c2ps3ngXrR1EJ4eNhqVPrVDv6CxQ@mail.gmail.com> |
--===============4978035449860873506== Content-Type: multipart/alternative; boundary="0000000000000ef30805e387ade7" --0000000000000ef30805e387ade7 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sometimes the file not found error occurs because a dependency of the dll can not be found. On Sun, Jul 10, 2022, 20:06 Steven Manross <[email protected]> wrote: > Howdy all, > > > > I am somewhat new to pythonnet and .NET programming, and just joined the > mailing list. You have my apologies if I am missing something simple. I > am aware that BadImageFormatException suggests that I=E2=80=99m trying to= open an > x64 DLL on a 32-bit OS or python installation (or vice versa), but neithe= r > seem to be the case (that I can tell). Depending on exactly how I call t= he > code, I get a File Not Found or Bad Image Exception. > > > > The File Not Found is interesting since the files live in the same > directory as a working DLL (AlphaVSS.Common works - built to run on any > architecture, AlphaVSS.x64 doesn=E2=80=99t). > > > > Specifics: > > * Python 3.9.13 (tags/v3.9.13:6de2ca5, May 17 2022, 16:36:42) [MSC v.1929 > 64 bit (AMD64)] on win32 > > * uninstalled Python 3.10 temporarily so I cant get you that detail (sorr= y) > > * And the Windows version clearly states it=E2=80=99s Windows Server 2016= x64 > > > > I=E2=80=99m doing my testing from ipython. > > > > The code below was tested with Python 3.9 x64 (pythonnet 2.5.2 via wheel > file) and Python 3.10 x64 (installed pythonnet 3.0.0-dev1 from git master= a > few days ago) on Windows Server 2016 x64 Evaluation patched for current > .NET Frameworks 2022-06 and both produce an error on the following code. > > > > AlphaVSS DLLs were generated via powershell/nuget, and I just copied the > DLLs from my powershellmodules dir to the =E2=80=9Cclr_dir=E2=80=9D below= for testing > (documentation suggests you copy the files to the same directory for use)= . > This DLL was created for .NET Framework 4.5 and I=E2=80=99ve installed Fr= amework > 4.8 and this Cumulative update: > > > > - 2022-06 Cumulative Update for .NET Framework 4.8 for Windows Server > 2016 for x64 (KB5014630) > > > > This code is eventually intended to manipulate the Volume Shadow Copy > Service on Windows. I am aware that there is limited functionality for > ShadowCopies from DISKSHADOW and WMI, but wanted to get more functionalit= y > from this VSS .NET Library (specifically Shadow Copy Sets), and pythonnet > seemed like a great way to implement this code in my favorite scripting > language. > > > > Here is the documentation for the DLLs (version 2.0.0) if anyone wants > that: > > https://alphavss.alphaleonis.com/api/Alphaleonis.Win32.Vss.html > > > > git source: > > https://github.com/alphaleonis/AlphaVSS > > > > I double checked permissions on the DLLs and I have full control as the > administrator. UAC is completely turned off on this machine (if it > matters). > > > > Any suggestions would be appreciated. This is a test system, so I can do > just about anything to it including rebuilding it from scratch as it was > built specifically for testing this. This is a VM on Hyper-V 2016 (I dou= bt > that matters). > > > > Thank you for your time! > > > > Steven > > # ipython dir output > In [16]: ! dir "c:\users\administrator\desktop\alphavss" > > Volume in drive C has no label. > > Volume Serial Number is 8C70-F8A3 > > > > Directory of c:\users\administrator\desktop\alphavss > > > > 07/09/2022 03:10 AM <DIR> . > > 07/09/2022 03:10 AM <DIR> .. > > 12/03/2019 08:37 PM 69,632 AlphaVSS.Common.dll > > 12/03/2019 08:37 PM 21,408 AlphaVSS.Common.pdb > > 12/03/2019 08:37 PM 618,522 AlphaVSS.Common.xml > > 12/03/2019 08:37 PM 325,120 AlphaVSS.x64.dll > > 12/03/2019 08:37 PM 271,872 AlphaVSS.x86.dll > > 12/03/2019 08:29 PM 342,392 Ijwhost.dll > > 07/09/2022 03:09 AM <DIR> runtimes > > 07/09/2022 03:10 AM <DIR> win-x64 > > 07/09/2022 03:10 AM <DIR> win-x86 > > > > # code > > import sys > > import clr > > import System > > # from System import Reflection > > > > clr_dir =3D "C:\\Users\\Administrator\\Desktop\\AlphaVSS" > > if clr_dir not in sys.path: > > sys.path.append(clr_dir) > > > > # common_vss =3D > Reflection.Assembly.LoadFile(f'{clr_dir}\\AlphaVSS.Common.dll') > > clr.AddReference("AlphaVSS.Common") #pylint:disable=3DI1101 > > > > import Alphaleonis.Win32.Vss as alphavss > > > > > > # clr.AddReference("AlphaVSS.x64") #pylint:disable=3DI1101 > > vss =3D alphavss.VssFactoryProvider.Default > > # x64_vss =3D Reflection.Assembly.LoadFile(f'{clr_dir}\\AlphaVSS.x64.dll'= ) > > # BadImageFormatException: An attempt was made to load a program with an > incorrect format. (Exception from HRESULT: 0x8007000B) > > > > try: > > factory =3D vss.GetVssFactory() > > except System.BadImageFormatException as e: > > print(f'Bad Image Format: {e}') > > except OSError as e: > > # FileNotFoundException: Could not load file or assembly > 'AlphaVSS.x64, Version=3D2.0.0.0, Culture=3Dneutral, > PublicKeyToken=3D959d3993561034e3' or one of its dependencies. The system > cannot find the file specified. > > print(f'File Not Found: {e}') > _______________________________________________ > PythonNet mailing list -- [email protected] > To unsubscribe send an email to [email protected] > https://mail.python.org/mailman3/lists/pythonnet.python.org/ > Member address: [email protected] > --0000000000000ef30805e387ade7 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"auto">Sometimes the file not found error occurs because a depen= dency of the dll can not be found.=C2=A0</div><br><div class=3D"gmail_quote= "><div dir=3D"ltr" class=3D"gmail_attr">On Sun, Jul 10, 2022, 20:06 Steven = Manross <<a href=3D"mailto:[email protected]">[email protected]</a>>= ; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .= 8ex;border-left:1px #ccc solid;padding-left:1ex"> <div lang=3D"EN-US" link=3D"#0563C1" vlink=3D"#954F72" style=3D"word-wrap:b= reak-word"> <div class=3D"m_-2275646643585513278WordSection1"> <p class=3D"MsoNormal">Howdy all,<u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">I am somewhat new to pythonnet and .NET programming,= and just joined the mailing list.=C2=A0 You have my apologies if I am miss= ing something simple.=C2=A0 I am aware that BadImageFormatException suggest= s that I=E2=80=99m trying to open an x64 DLL on a 32-bit OS or python installation (or vice versa), but neither seem to be the case= (that I can tell).=C2=A0 Depending on exactly how I call the code, I get a= File Not Found or Bad Image Exception.<u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">The File Not Found is interesting since the files li= ve in the same directory as a working DLL (AlphaVSS.Common works - built to= run on any architecture, AlphaVSS.x64 doesn=E2=80=99t).<u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">Specifics:<u></u><u></u></p> <p class=3D"MsoNormal">* Python 3.9.13 (tags/v3.9.13:6de2ca5, May 17 2022, = 16:36:42) [MSC v.1929 64 bit (AMD64)] on win32<u></u><u></u></p> <p class=3D"MsoNormal">* uninstalled Python 3.10 temporarily so I cant get = you that detail (sorry)<u></u><u></u></p> <p class=3D"MsoNormal">* And the Windows version clearly states it=E2=80=99= s Windows Server 2016 x64<u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">I=E2=80=99m doing my testing from ipython.<u></u><u>= </u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">The code below was tested with Python 3.9 x64 (pytho= nnet 2.5.2 via wheel file) and Python 3.10 x64 (installed pythonnet 3.0.0-d= ev1 from git master a few days ago) on Windows Server 2016 x64 Evaluation p= atched for current .NET Frameworks 2022-06 and both produce an error on the following code. <u></u><u></u></p= > <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">AlphaVSS DLLs were generated via powershell/nuget, a= nd I just copied the DLLs from my powershellmodules dir to the =E2=80=9Cclr= _dir=E2=80=9D below for testing (documentation suggests you copy the files = to the same directory for use).=C2=A0 This DLL was created for .NET Framework 4.5 and I=E2=80=99ve installed Framework 4.8 and this C= umulative update:<u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <ul style=3D"margin-top:0in" type=3D"disc"> <li class=3D"m_-2275646643585513278MsoListParagraph" style=3D"margin-left:0= in">2022-06 Cumulative Update for .NET Framework 4.8 for Windows Server 201= 6 for x64 (KB5014630)<u></u><u></u></li></ul> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">This code is eventually intended to manipulate the V= olume Shadow Copy Service on Windows.=C2=A0 I am aware that there is limite= d functionality for ShadowCopies from DISKSHADOW and WMI, but wanted to get= more functionality from this VSS .NET Library (specifically Shadow Copy Sets), and pythonnet seemed like a great= way to implement this code in my favorite scripting language. <u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">Here is the documentation for the DLLs (version 2.0.= 0) if anyone wants that:<u></u><u></u></p> <p class=3D"MsoNormal"><a href=3D"https://alphavss.alphaleonis.com/api/Alph= aleonis.Win32.Vss.html" target=3D"_blank" rel=3D"noreferrer">https://alphav= ss.alphaleonis.com/api/Alphaleonis.Win32.Vss.html</a><u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">git source:<u></u><u></u></p> <p class=3D"MsoNormal"><a href=3D"https://github.com/alphaleonis/AlphaVSS" = target=3D"_blank" rel=3D"noreferrer">https://github.com/alphaleonis/AlphaVS= S</a><u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">I double checked permissions on the DLLs and I have = full control as the administrator.=C2=A0 UAC is completely turned off on th= is machine (if it matters).<u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">Any suggestions would be appreciated.=C2=A0 This is = a test system, so I can do just about anything to it including rebuilding i= t from scratch as it was built specifically for testing this.=C2=A0 This is= a VM on Hyper-V 2016 (I doubt that matters).<u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">Thank you for your time!<u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">Steven<u></u><u></u></p> <p class=3D"MsoNormal"># =C2=A0=C2=A0ipython dir output<br> In [16]: ! dir "c:\users\administrator\desktop\alphavss"<u></u><u= ></u></p> <p class=3D"MsoNormal">Volume in drive C has no label.<u></u><u></u></p> <p class=3D"MsoNormal">Volume Serial Number is 8C70-F8A3<u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">Directory of c:\users\administrator\desktop\alphavss= <u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">07/09/2022=C2=A0 03:10 AM=C2=A0=C2=A0=C2=A0 <DIR&= gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 .<u></u><u></u></= p> <p class=3D"MsoNormal">07/09/2022=C2=A0 03:10 AM=C2=A0=C2=A0=C2=A0 <DIR&= gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ..<u></u><u></u><= /p> <p class=3D"MsoNormal">12/03/2019=C2=A0 08:37 PM=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 69,632 AlphaVSS.Common.dll<u></u><u= ></u></p> <p class=3D"MsoNormal">12/03/2019=C2=A0 08:37 PM=C2=A0=C2=A0 =C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A021,408 AlphaVSS.Common.pdb<u></u>= <u></u></p> <p class=3D"MsoNormal">12/03/2019=C2=A0 08:37 PM=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 618,522 AlphaVSS.Common.xml<u></u><u></u>= </p> <p class=3D"MsoNormal">12/03/2019=C2=A0 08:37 PM=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 325,120 AlphaVSS.x64.dll<u></u><u></u></p= > <p class=3D"MsoNormal">12/03/2019=C2=A0 08:37 PM=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 271,872 AlphaVSS.x86.dll<u></u><u></u></p= > <p class=3D"MsoNormal">12/03/2019=C2=A0 08:29 PM=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 342,392 Ijwhost.dll<u></u><u></u></p> <p class=3D"MsoNormal">07/09/2022=C2=A0 03:09 AM=C2=A0=C2=A0=C2=A0 <DIR&= gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 runtimes<u></u><u= ></u></p> <p class=3D"MsoNormal">07/09/2022=C2=A0 03:10 AM=C2=A0=C2=A0=C2=A0 <DIR&= gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 win-x64<u></u><u>= </u></p> <p class=3D"MsoNormal">07/09/2022=C2=A0 03:10 AM=C2=A0=C2=A0=C2=A0 <DIR&= gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 win-x86<u></u><u>= </u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal"># code<u></u><u></u></p> <p class=3D"MsoNormal">import sys<u></u><u></u></p> <p class=3D"MsoNormal">import clr<u></u><u></u></p> <p class=3D"MsoNormal">import System<u></u><u></u></p> <p class=3D"MsoNormal"># from System import Reflection<u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">clr_dir =3D "C:\\Users\\Administrator\\Desktop\= \AlphaVSS" <u></u> <u></u></p> <p class=3D"MsoNormal">if clr_dir not in sys.path:<u></u><u></u></p> <p class=3D"MsoNormal">=C2=A0=C2=A0=C2=A0 sys.path.append(clr_dir)<u></u><u= ></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal"># common_vss =3D Reflection.Assembly.LoadFile(f'= {clr_dir}\\AlphaVSS.Common.dll')<u></u><u></u></p> <p class=3D"MsoNormal">clr.AddReference("AlphaVSS.Common") #pylin= t:disable=3DI1101<u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">import Alphaleonis.Win32.Vss as alphavss<u></u><u></= u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal"># clr.AddReference("AlphaVSS.x64") #pylint= :disable=3DI1101<u></u><u></u></p> <p class=3D"MsoNormal">vss =3D alphavss.VssFactoryProvider.Default<u></u><u= ></u></p> <p class=3D"MsoNormal"># x64_vss =3D Reflection.Assembly.LoadFile(f'{cl= r_dir}\\AlphaVSS.x64.dll')<u></u><u></u></p> <p class=3D"MsoNormal"># BadImageFormatException: An attempt was made to lo= ad a program with an incorrect format. (Exception from HRESULT: 0x8007000B)= <u></u><u></u></p> <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p> <p class=3D"MsoNormal">try:<u></u><u></u></p> <p class=3D"MsoNormal">=C2=A0=C2=A0=C2=A0 factory =3D vss.GetVssFactory()<u= ></u><u></u></p> <p class=3D"MsoNormal">except System.BadImageFormatException as e:<u></u><u= ></u></p> <p class=3D"MsoNormal">=C2=A0=C2=A0=C2=A0 print(f'Bad Image Format: {e}= ')<u></u><u></u></p> <p class=3D"MsoNormal">except OSError as e:<u></u><u></u></p> <p class=3D"MsoNormal">=C2=A0=C2=A0=C2=A0 # FileNotFoundException: Could no= t load file or assembly 'AlphaVSS.x64, Version=3D2.0.0.0, Culture=3Dneu= tral, PublicKeyToken=3D959d3993561034e3' or one of its dependencies. Th= e system cannot find the file specified.<u></u><u></u></p> <p class=3D"MsoNormal">=C2=A0=C2=A0=C2=A0 print(f'File Not Found: {e}&#= 39;)<u></u><u></u></p> </div> </div> _______________________________________________<br> PythonNet mailing list -- <a href=3D"mailto:[email protected]" target=3D= "_blank" rel=3D"noreferrer">[email protected]</a><br> To unsubscribe send an email to <a href=3D"mailto:[email protected]= g" target=3D"_blank" rel=3D"noreferrer">[email protected]</a><br> <a href=3D"https://mail.python.org/mailman3/lists/pythonnet.python.org/" re= l=3D"noreferrer noreferrer" target=3D"_blank">https://mail.python.org/mailm= an3/lists/pythonnet.python.org/</a><br> Member address: <a href=3D"mailto:[email protected]" target=3D"_blank" = rel=3D"noreferrer">[email protected]</a><br> </blockquote></div> --0000000000000ef30805e387ade7-- --===============4978035449860873506== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ PythonNet mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/pythonnet.python.org/ Member address: [email protected] --===============4978035449860873506==--