Closed keplerridge closed 2 weeks ago
Can you please include the complete error message that you got? :)
"an error in preparing metadata (pyproject.toml)" isn't sufficient information to determine what happened. There should be a description of the backend error and possibly a traceback.
If in doubt, simply copy/paste the entire command prompt output session starting with the pip install
command and including all pip output.
Here is the whole command prompt
$ pip install pandas
Collecting pandas
Using cached pandas-2.2.2.tar.gz (4.4 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Installing backend dependencies ... done
Preparing metadata (pyproject.toml) ... error
error: subprocess-exited-with-error
Preparing metadata (pyproject.toml) did not run successfully.
exit code: 2
[131 lines of output]
+ meson setup C:/Users/keple/AppData/Local/Temp/pip-install-x89q3p8w/pandas_dcb17726cfb647b99bdfcf9fbd51393f C:/Users/keple/AppData/Local/Temp/pip-install-x89q3p8w/pandas_dcb17726cfb647b99bdfcf9fbd51393f/.mesonpy-fon2y08r/build -Dbuildtype=release -Db_ndebug=if-release -Db_vscrt=md --vsenv --native-file=C:/Users/keple/AppData/Local/Temp/pip-install-x89q3p8w/pandas_dcb17726cfb647b99bdfcf9fbd51393f/.mesonpy-fon2y08r/build/meson-python-native-file.ini
Traceback (most recent call last):
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/mesonmain.py", line 194, in run
return options.run_func(options)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/msetup.py", line 358, in run
app.generate()
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/msetup.py", line 183, in generate
return self._generate(env, capture, vslite_ctx)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/msetup.py", line 228, in _generate
intr.run()
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreter/interpreter.py", line 2997, in run
super().run()
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 164, in run
self.evaluate_codeblock(self.ast, start=1)
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 190, in evaluate_codeblock
raise e
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 182, in evaluate_codeblock
self.evaluate_statement(cur)
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 196, in evaluate_statement
return self.function_call(cur)
^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 521, in function_call
res = func(node, func_args, kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/decorators.py", line 277, in wrapper
return f(*nargs, **wrapped_kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/decorators.py", line 596, in wrapper
return f(*wrapped_args, **wrapped_kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreter/interpreter.py", line 2409, in func_subdir
self.evaluate_codeblock(codeblock)
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 190, in evaluate_codeblock
raise e
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 182, in evaluate_codeblock
self.evaluate_statement(cur)
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 196, in evaluate_statement
return self.function_call(cur)
^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 521, in function_call
res = func(node, func_args, kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/decorators.py", line 277, in wrapper
return f(*nargs, **wrapped_kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/decorators.py", line 596, in wrapper
return f(*wrapped_args, **wrapped_kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreter/interpreter.py", line 2409, in func_subdir
self.evaluate_codeblock(codeblock)
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 190, in evaluate_codeblock
raise e
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 182, in evaluate_codeblock
self.evaluate_statement(cur)
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 196, in evaluate_statement
return self.function_call(cur)
^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 521, in function_call
res = func(node, func_args, kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/decorators.py", line 277, in wrapper
return f(*nargs, **wrapped_kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/decorators.py", line 596, in wrapper
return f(*wrapped_args, **wrapped_kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreter/interpreter.py", line 2409, in func_subdir
self.evaluate_codeblock(codeblock)
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 190, in evaluate_codeblock
raise e
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 182, in evaluate_codeblock
self.evaluate_statement(cur)
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 228, in evaluate_statement
self.evaluate_foreach(cur)
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 472, in evaluate_foreach
self.evaluate_codeblock(node.block)
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 190, in evaluate_codeblock
raise e
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 182, in evaluate_codeblock
self.evaluate_statement(cur)
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 200, in evaluate_statement
return self.method_call(cur)
^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 550, in method_call
res = obj.method_call(method_name, args, kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/baseobjects.py", line 94, in method_call
return method(args, kwargs)
^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/interpreterbase/decorators.py", line 127, in wrapped
return f(*wrapped_args, **wrapped_kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/modules/python.py", line 155, in extension_module_method
pydep = self._dependency_method_impl({})
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/modules/python.py", line 189, in _dependency_method_impl
dep = find_external_dependency('python', self.interpreter.environment, new_kwargs, candidates)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/dependencies/detect.py", line 124, in find_external_dependency
d = c()
^^^
File "C:/Users/keple/AppData/Local/Temp/pip-build-env-6013nojb/overlay/lib/python3.11/site-packages/mesonbuild/dependencies/python.py", line 216, in __init__
if mesonlib.is_windows() and self.get_windows_python_arch().endswith('64') and mesonlib.version_compare(self.version, '<3.12'):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'endswith'
The Meson build system
Version: 1.2.1
Source dir: C:/Users/keple/AppData/Local/Temp/pip-install-x89q3p8w/pandas_dcb17726cfb647b99bdfcf9fbd51393f
Build dir: C:/Users/keple/AppData/Local/Temp/pip-install-x89q3p8w/pandas_dcb17726cfb647b99bdfcf9fbd51393f/.mesonpy-fon2y08r/build
Build type: native build
Project name: pandas
Project version: 2.2.2
Activating VS 17.6.4
C compiler for the host machine: cl (msvc 19.36.32535 "Microsoft (R) C/C++ Optimizing Compiler Version 19.36.32535 for x64")
C linker for the host machine: link link 14.36.32535.0
C++ compiler for the host machine: cl (msvc 19.36.32535 "Microsoft (R) C/C++ Optimizing Compiler Version 19.36.32535 for x64")
C++ linker for the host machine: link link 14.36.32535.0
Cython compiler for the host machine: cython (cython 3.0.5)
Host machine cpu family: x86_64
Host machine cpu: x86_64
Program python found: YES (c:/msys64/mingw64/bin/python.exe)
Did not find pkg-config by name 'pkg-config'
Found Pkg-config: NO
Unknown Windows Python platform 'mingw_x86_64'
Unknown Windows Python platform 'mingw_x86_64'
../../pandas/_libs/tslibs/meson.build:32:7: ERROR: Unhandled python exception
This is a Meson bug and should be reported!
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed
Encountered error while generating package metadata.
See above for output.
note: This is an issue with the package mentioned above, not pip.
hint: See above for details.
Duplicate of #12547
This was fixed in meson 1.3.1 but pandas pins an old version as a build dependency.
@lithomas1
Thanks for the reminder, I'll bump meson pandas side.
Describe the bug When I run pip install pandas it will run through the install and go through installing build dependencies, getting requirements to build wheel, installing backend dependencies, and then have an error in preparing metadata (pyproject.toml)
To Reproduce I have tried for an hour now to find the meson.build file and can't I don't know what to do to find it.
Expected behavior I expected to get a successful build and installation of pandas
system parameters Windows 11 Home Python 3.11.5 meson 1.4.0