Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Add import #1

Closed
mrzv opened this issue Oct 6, 2015 · 1 comment
Closed

Add import #1

mrzv opened this issue Oct 6, 2015 · 1 comment

Comments

@mrzv
Copy link

mrzv commented Oct 6, 2015

I'm not sure if I just can't find it, but it would be great to have the analog of boost::python::import to import a module as a pybind::object, and then to get its functions via attr.

@wjakob
Copy link
Member

wjakob commented Oct 13, 2015

good idea -- done.

@wjakob wjakob closed this as completed Oct 13, 2015
nbigaouette pushed a commit to nbigaouette/pybind11 that referenced this issue Jan 12, 2016
This should insure that both the PythonLibs and PythonInterp points to
the same python version.

Without this, the Python library and interpreter might not match version.
For example, if both Python 2.7 and 3.4 is installed, PythonLibs will
find /usr/lib/x86_64-linux-gnu/libpython3.4m.so while
PythonInterp will find /usr/bin/python2.7 (at least on Ubuntu 14.04).

When PythonLibs and PythonInterp don't point to the same Python version,
the examples will all fail:

$ cmake ..
-- The C compiler identification is GNU 4.8.4
-- The CXX compiler identification is GNU 4.8.4
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Setting build type to 'MinSizeRel' as none was specified.
-- Found PythonLibs: /usr/lib/x86_64-linux-gnu/libpython3.4m.so (found suitable version "3.4.3", minimum required is "2.7")
-- Found PythonInterp: /usr/bin/python2.7 (found suitable version "2.7.6", minimum required is "2.7")
-- Performing Test HAS_LTO_FLAG
-- Performing Test HAS_LTO_FLAG - Success
-- Configuring done
-- Generating done
-- Build files have been written to: /home/nbigaouette/pybind11/build
$ make test
Running tests...
Test project /home/nbigaouette/pybind11/build
      Start  1: example1
 1/12 Test  pybind#1: example1 .........................***Failed    0.02 sec
      Start  2: example2
 2/12 Test  pybind#2: example2 .........................***Failed    0.03 sec
      Start  3: example3
 3/12 Test  pybind#3: example3 .........................***Failed    0.02 sec
      Start  4: example4
 4/12 Test  pybind#4: example4 .........................***Failed    0.02 sec
      Start  5: example5
 5/12 Test  pybind#5: example5 .........................***Failed    0.02 sec
      Start  6: example6
 6/12 Test  pybind#6: example6 .........................***Failed    0.02 sec
      Start  7: example7
 7/12 Test  pybind#7: example7 .........................***Failed    0.02 sec
      Start  8: example8
 8/12 Test  pybind#8: example8 .........................***Failed    0.02 sec
      Start  9: example9
 9/12 Test  pybind#9: example9 .........................***Failed    0.02 sec
      Start 10: example10
10/12 Test pybind#10: example10 ........................***Failed    0.02 sec
      Start 11: example11
11/12 Test pybind#11: example11 ........................***Failed    0.03 sec
      Start 12: example12
12/12 Test pybind#12: example12 ........................***Failed    0.02 sec

0% tests passed, 12 tests failed out of 12

Total Test time (real) =   0.25 sec

The following tests FAILED:
          1 - example1 (Failed)
          2 - example2 (Failed)
          3 - example3 (Failed)
          4 - example4 (Failed)
          5 - example5 (Failed)
          6 - example6 (Failed)
          7 - example7 (Failed)
          8 - example8 (Failed)
          9 - example9 (Failed)
         10 - example10 (Failed)
         11 - example11 (Failed)
         12 - example12 (Failed)
Errors while running CTest
make: *** [test] Error 8


By adding the EXACT version to the find_package() calls, the version
discrepency is at least caught at the cmake call:

$ cmake ..
-- The C compiler identification is GNU 4.8.4
-- The CXX compiler identification is GNU 4.8.4
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Setting build type to 'MinSizeRel' as none was specified.
CMake Error at /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:108 (message):
  Could NOT find PythonLibs: Found unsuitable version "3.4.3", but required
  is exact version "2.7" (found /usr/lib/x86_64-linux-gnu/libpython3.4m.so)
Call Stack (most recent call first):
  /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:313 (_FPHSA_FAILURE_MESSAGE)
  /usr/share/cmake-2.8/Modules/FindPythonLibs.cmake:208 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  CMakeLists.txt:27 (find_package)


-- Configuring incomplete, errors occurred!
See also "/home/nbigaouette/pybind11/build/CMakeFiles/CMakeOutput.log".
nbigaouette pushed a commit to nbigaouette/pybind11 that referenced this issue Jan 12, 2016
…ts to

the same python version.

Without this, the Python library and interpreter might not match version.
For example, if both Python 2.7 and 3.4 is installed, `PythonLibs` will
find /usr/lib/x86_64-linux-gnu/libpython3.4m.so while
`PythonInterp` will find /usr/bin/python2.7 (at least on Ubuntu 14.04).

When `PythonLibs` and `PythonInterp` don't point to the same Python version,
the examples will all fail:

```bash
$ cmake ..
-- The C compiler identification is GNU 4.8.4
-- The CXX compiler identification is GNU 4.8.4
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Setting build type to 'MinSizeRel' as none was specified.
-- Found PythonLibs: /usr/lib/x86_64-linux-gnu/libpython3.4m.so (found suitable version "3.4.3", minimum required is "2.7")
-- Found PythonInterp: /usr/bin/python2.7 (found suitable version "2.7.6", minimum required is "2.7")
-- Performing Test HAS_LTO_FLAG
-- Performing Test HAS_LTO_FLAG - Success
-- Configuring done
-- Generating done
-- Build files have been written to: /home/nbigaouette/pybind11/build
$ make test
Running tests...
Test project /home/nbigaouette/pybind11/build
      Start  1: example1
 1/12 Test  pybind#1: example1 .........................***Failed    0.02 sec
      Start  2: example2
 2/12 Test  pybind#2: example2 .........................***Failed    0.03 sec
      Start  3: example3
 3/12 Test  pybind#3: example3 .........................***Failed    0.02 sec
      Start  4: example4
 4/12 Test  pybind#4: example4 .........................***Failed    0.02 sec
      Start  5: example5
 5/12 Test  pybind#5: example5 .........................***Failed    0.02 sec
      Start  6: example6
 6/12 Test  pybind#6: example6 .........................***Failed    0.02 sec
      Start  7: example7
 7/12 Test  pybind#7: example7 .........................***Failed    0.02 sec
      Start  8: example8
 8/12 Test  pybind#8: example8 .........................***Failed    0.02 sec
      Start  9: example9
 9/12 Test  pybind#9: example9 .........................***Failed    0.02 sec
      Start 10: example10
10/12 Test pybind#10: example10 ........................***Failed    0.02 sec
      Start 11: example11
11/12 Test pybind#11: example11 ........................***Failed    0.03 sec
      Start 12: example12
12/12 Test pybind#12: example12 ........................***Failed    0.02 sec

0% tests passed, 12 tests failed out of 12

Total Test time (real) =   0.25 sec

The following tests FAILED:
          1 - example1 (Failed)
          2 - example2 (Failed)
          3 - example3 (Failed)
          4 - example4 (Failed)
          5 - example5 (Failed)
          6 - example6 (Failed)
          7 - example7 (Failed)
          8 - example8 (Failed)
          9 - example9 (Failed)
         10 - example10 (Failed)
         11 - example11 (Failed)
         12 - example12 (Failed)
Errors while running CTest
make: *** [test] Error 8
```

By adding the `EXACT` version to the `find_package()` calls, the version
discrepancy is at least caught at the cmake call:

```bash
$ cmake ..
-- The C compiler identification is GNU 4.8.4
-- The CXX compiler identification is GNU 4.8.4
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Setting build type to 'MinSizeRel' as none was specified.
CMake Error at /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:108 (message):
  Could NOT find PythonLibs: Found unsuitable version "3.4.3", but required
  is exact version "2.7" (found /usr/lib/x86_64-linux-gnu/libpython3.4m.so)
Call Stack (most recent call first):
  /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:313 (_FPHSA_FAILURE_MESSAGE)
  /usr/share/cmake-2.8/Modules/FindPythonLibs.cmake:208 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  CMakeLists.txt:27 (find_package)


-- Configuring incomplete, errors occurred!
See also "/home/nbigaouette/pybind11/build/CMakeFiles/CMakeOutput.log".
```
nbigaouette pushed a commit to nbigaouette/pybind11 that referenced this issue Jan 12, 2016
This should insure that both the `PythonLibs` and `PythonInterp` points to
the same python version.

Without this, the Python library and interpreter might not match version.
For example, if both Python 2.7 and 3.4 is installed, `PythonLibs` will
find /usr/lib/x86_64-linux-gnu/libpython3.4m.so while
`PythonInterp` will find /usr/bin/python2.7 (at least on Ubuntu 14.04).

When `PythonLibs` and `PythonInterp` don't point to the same Python version,
the examples will all fail:

```bash
$ cmake ..
-- The C compiler identification is GNU 4.8.4
-- The CXX compiler identification is GNU 4.8.4
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Setting build type to 'MinSizeRel' as none was specified.
-- Found PythonLibs: /usr/lib/x86_64-linux-gnu/libpython3.4m.so (found suitable version "3.4.3", minimum required is "2.7")
-- Found PythonInterp: /usr/bin/python2.7 (found suitable version "2.7.6", minimum required is "2.7")
-- Performing Test HAS_LTO_FLAG
-- Performing Test HAS_LTO_FLAG - Success
-- Configuring done
-- Generating done
-- Build files have been written to: /home/nbigaouette/pybind11/build
$ make test
Running tests...
Test project /home/nbigaouette/pybind11/build
      Start  1: example1
 1/12 Test  pybind#1: example1 .........................***Failed    0.02 sec
      Start  2: example2
 2/12 Test  pybind#2: example2 .........................***Failed    0.03 sec
      Start  3: example3
 3/12 Test  pybind#3: example3 .........................***Failed    0.02 sec
      Start  4: example4
 4/12 Test  pybind#4: example4 .........................***Failed    0.02 sec
      Start  5: example5
 5/12 Test  pybind#5: example5 .........................***Failed    0.02 sec
      Start  6: example6
 6/12 Test  pybind#6: example6 .........................***Failed    0.02 sec
      Start  7: example7
 7/12 Test  pybind#7: example7 .........................***Failed    0.02 sec
      Start  8: example8
 8/12 Test  pybind#8: example8 .........................***Failed    0.02 sec
      Start  9: example9
 9/12 Test  pybind#9: example9 .........................***Failed    0.02 sec
      Start 10: example10
10/12 Test pybind#10: example10 ........................***Failed    0.02 sec
      Start 11: example11
11/12 Test pybind#11: example11 ........................***Failed    0.03 sec
      Start 12: example12
12/12 Test pybind#12: example12 ........................***Failed    0.02 sec

0% tests passed, 12 tests failed out of 12

Total Test time (real) =   0.25 sec

The following tests FAILED:
          1 - example1 (Failed)
          2 - example2 (Failed)
          3 - example3 (Failed)
          4 - example4 (Failed)
          5 - example5 (Failed)
          6 - example6 (Failed)
          7 - example7 (Failed)
          8 - example8 (Failed)
          9 - example9 (Failed)
         10 - example10 (Failed)
         11 - example11 (Failed)
         12 - example12 (Failed)
Errors while running CTest
make: *** [test] Error 8
```

By adding the `EXACT` version to the `find_package()` calls, the version
discrepancy is at least caught at the cmake call:

```bash
$ cmake ..
-- The C compiler identification is GNU 4.8.4
-- The CXX compiler identification is GNU 4.8.4
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Setting build type to 'MinSizeRel' as none was specified.
CMake Error at /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:108 (message):
  Could NOT find PythonLibs: Found unsuitable version "3.4.3", but required
  is exact version "2.7" (found /usr/lib/x86_64-linux-gnu/libpython3.4m.so)
Call Stack (most recent call first):
  /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:313 (_FPHSA_FAILURE_MESSAGE)
  /usr/share/cmake-2.8/Modules/FindPythonLibs.cmake:208 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  CMakeLists.txt:27 (find_package)


-- Configuring incomplete, errors occurred!
See also "/home/nbigaouette/pybind11/build/CMakeFiles/CMakeOutput.log".
```
EricCousineau-TRI referenced this issue in EricCousineau-TRI/pybind11 Apr 10, 2018
EricCousineau-TRI referenced this issue in EricCousineau-TRI/pybind11 Apr 11, 2018
truefzh pushed a commit to truefzh/pybind11 that referenced this issue Oct 26, 2020
truefzh pushed a commit to truefzh/pybind11 that referenced this issue Oct 26, 2020
truefzh pushed a commit to truefzh/pybind11 that referenced this issue Oct 26, 2020
truefzh pushed a commit to truefzh/pybind11 that referenced this issue Oct 26, 2020
rwgk pushed a commit that referenced this issue Aug 15, 2023
* Remove newlines from docstring signature

* Jean/dev (#1)

Replace newlines in arg values with spaces

* style: pre-commit fixes

* Don't use std::find_if for C++ 11 compatibility

* Avoid implicit char to bool conversion

* Test default arguments for line breaks

* style: pre-commit fixes

* Separate Eigen tests

* style: pre-commit fixes

* Fix merge

* Try importing numpy

* Avoid unreferenced variable in catch block

* style: pre-commit fixes

* Update squash function

* Reduce try block

* Additional test cases

* style: pre-commit fixes

* Put statement inside braces

* Move string into function body

* Rename repr for better readability. Make constr explicit.

* Add multiline string default argument test case

* style: pre-commit fixes

* Add std namespace, do not modify string repr

* Test for all space chars, test str repr not modified

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
@dwpeng dwpeng mentioned this issue Mar 21, 2024
3 tasks
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

No branches or pull requests

2 participants