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704 lines
24 KiB
704 lines
24 KiB
#!/usr/bin/env python3
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"""
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f2py2e - Fortran to Python C/API generator. 2nd Edition.
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See __usage__ below.
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Copyright 1999--2011 Pearu Peterson all rights reserved,
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Pearu Peterson <pearu@cens.ioc.ee>
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Permission to use, modify, and distribute this software is given under the
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terms of the NumPy License.
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NO WARRANTY IS EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
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$Date: 2005/05/06 08:31:19 $
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Pearu Peterson
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"""
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import sys
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import os
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import pprint
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import re
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from pathlib import Path
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from . import crackfortran
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from . import rules
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from . import cb_rules
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from . import auxfuncs
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from . import cfuncs
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from . import f90mod_rules
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from . import __version__
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from . import capi_maps
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f2py_version = __version__.version
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numpy_version = __version__.version
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errmess = sys.stderr.write
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# outmess=sys.stdout.write
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show = pprint.pprint
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outmess = auxfuncs.outmess
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__usage__ =\
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f"""Usage:
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1) To construct extension module sources:
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f2py [<options>] <fortran files> [[[only:]||[skip:]] \\
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<fortran functions> ] \\
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[: <fortran files> ...]
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2) To compile fortran files and build extension modules:
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f2py -c [<options>, <build_flib options>, <extra options>] <fortran files>
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3) To generate signature files:
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f2py -h <filename.pyf> ...< same options as in (1) >
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Description: This program generates a Python C/API file (<modulename>module.c)
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that contains wrappers for given fortran functions so that they
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can be called from Python. With the -c option the corresponding
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extension modules are built.
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Options:
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--2d-numpy Use numpy.f2py tool with NumPy support. [DEFAULT]
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--2d-numeric Use f2py2e tool with Numeric support.
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--2d-numarray Use f2py2e tool with Numarray support.
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--g3-numpy Use 3rd generation f2py from the separate f2py package.
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[NOT AVAILABLE YET]
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-h <filename> Write signatures of the fortran routines to file <filename>
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and exit. You can then edit <filename> and use it instead
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of <fortran files>. If <filename>==stdout then the
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signatures are printed to stdout.
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<fortran functions> Names of fortran routines for which Python C/API
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functions will be generated. Default is all that are found
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in <fortran files>.
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<fortran files> Paths to fortran/signature files that will be scanned for
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<fortran functions> in order to determine their signatures.
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skip: Ignore fortran functions that follow until `:'.
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only: Use only fortran functions that follow until `:'.
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: Get back to <fortran files> mode.
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-m <modulename> Name of the module; f2py generates a Python/C API
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file <modulename>module.c or extension module <modulename>.
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Default is 'untitled'.
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'-include<header>' Writes additional headers in the C wrapper, can be passed
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multiple times, generates #include <header> each time.
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--[no-]lower Do [not] lower the cases in <fortran files>. By default,
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--lower is assumed with -h key, and --no-lower without -h key.
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--build-dir <dirname> All f2py generated files are created in <dirname>.
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Default is tempfile.mkdtemp().
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--overwrite-signature Overwrite existing signature file.
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--[no-]latex-doc Create (or not) <modulename>module.tex.
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Default is --no-latex-doc.
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--short-latex Create 'incomplete' LaTeX document (without commands
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\\documentclass, \\tableofcontents, and \\begin{{document}},
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\\end{{document}}).
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--[no-]rest-doc Create (or not) <modulename>module.rst.
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Default is --no-rest-doc.
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--debug-capi Create C/API code that reports the state of the wrappers
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during runtime. Useful for debugging.
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--[no-]wrap-functions Create Fortran subroutine wrappers to Fortran 77
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functions. --wrap-functions is default because it ensures
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maximum portability/compiler independence.
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--include-paths <path1>:<path2>:... Search include files from the given
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directories.
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--help-link [..] List system resources found by system_info.py. See also
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--link-<resource> switch below. [..] is optional list
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of resources names. E.g. try 'f2py --help-link lapack_opt'.
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--f2cmap <filename> Load Fortran-to-Python KIND specification from the given
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file. Default: .f2py_f2cmap in current directory.
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--quiet Run quietly.
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--verbose Run with extra verbosity.
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--skip-empty-wrappers Only generate wrapper files when needed.
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-v Print f2py version ID and exit.
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numpy.distutils options (only effective with -c):
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--fcompiler= Specify Fortran compiler type by vendor
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--compiler= Specify C compiler type (as defined by distutils)
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--help-fcompiler List available Fortran compilers and exit
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--f77exec= Specify the path to F77 compiler
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--f90exec= Specify the path to F90 compiler
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--f77flags= Specify F77 compiler flags
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--f90flags= Specify F90 compiler flags
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--opt= Specify optimization flags
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--arch= Specify architecture specific optimization flags
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--noopt Compile without optimization
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--noarch Compile without arch-dependent optimization
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--debug Compile with debugging information
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Extra options (only effective with -c):
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--link-<resource> Link extension module with <resource> as defined
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by numpy.distutils/system_info.py. E.g. to link
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with optimized LAPACK libraries (vecLib on MacOSX,
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ATLAS elsewhere), use --link-lapack_opt.
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See also --help-link switch.
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-L/path/to/lib/ -l<libname>
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-D<define> -U<name>
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-I/path/to/include/
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<filename>.o <filename>.so <filename>.a
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Using the following macros may be required with non-gcc Fortran
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compilers:
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-DPREPEND_FORTRAN -DNO_APPEND_FORTRAN -DUPPERCASE_FORTRAN
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-DUNDERSCORE_G77
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When using -DF2PY_REPORT_ATEXIT, a performance report of F2PY
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interface is printed out at exit (platforms: Linux).
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When using -DF2PY_REPORT_ON_ARRAY_COPY=<int>, a message is
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sent to stderr whenever F2PY interface makes a copy of an
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array. Integer <int> sets the threshold for array sizes when
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a message should be shown.
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Version: {f2py_version}
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numpy Version: {numpy_version}
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Requires: Python 3.5 or higher.
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License: NumPy license (see LICENSE.txt in the NumPy source code)
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Copyright 1999 - 2011 Pearu Peterson all rights reserved.
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https://web.archive.org/web/20140822061353/http://cens.ioc.ee/projects/f2py2e"""
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def scaninputline(inputline):
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files, skipfuncs, onlyfuncs, debug = [], [], [], []
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f, f2, f3, f5, f6, f7, f8, f9, f10 = 1, 0, 0, 0, 0, 0, 0, 0, 0
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verbose = 1
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emptygen = True
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dolc = -1
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dolatexdoc = 0
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dorestdoc = 0
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wrapfuncs = 1
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buildpath = '.'
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include_paths = []
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signsfile, modulename = None, None
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options = {'buildpath': buildpath,
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'coutput': None,
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'f2py_wrapper_output': None}
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for l in inputline:
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if l == '':
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pass
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elif l == 'only:':
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f = 0
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elif l == 'skip:':
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f = -1
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elif l == ':':
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f = 1
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elif l[:8] == '--debug-':
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debug.append(l[8:])
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elif l == '--lower':
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dolc = 1
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elif l == '--build-dir':
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f6 = 1
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elif l == '--no-lower':
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dolc = 0
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elif l == '--quiet':
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verbose = 0
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elif l == '--verbose':
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verbose += 1
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elif l == '--latex-doc':
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dolatexdoc = 1
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elif l == '--no-latex-doc':
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dolatexdoc = 0
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elif l == '--rest-doc':
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dorestdoc = 1
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elif l == '--no-rest-doc':
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dorestdoc = 0
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elif l == '--wrap-functions':
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wrapfuncs = 1
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elif l == '--no-wrap-functions':
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wrapfuncs = 0
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elif l == '--short-latex':
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options['shortlatex'] = 1
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elif l == '--coutput':
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f8 = 1
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elif l == '--f2py-wrapper-output':
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f9 = 1
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elif l == '--f2cmap':
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f10 = 1
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elif l == '--overwrite-signature':
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options['h-overwrite'] = 1
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elif l == '-h':
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f2 = 1
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elif l == '-m':
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f3 = 1
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elif l[:2] == '-v':
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print(f2py_version)
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sys.exit()
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elif l == '--show-compilers':
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f5 = 1
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elif l[:8] == '-include':
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cfuncs.outneeds['userincludes'].append(l[9:-1])
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cfuncs.userincludes[l[9:-1]] = '#include ' + l[8:]
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elif l[:15] in '--include_paths':
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outmess(
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'f2py option --include_paths is deprecated, use --include-paths instead.\n')
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f7 = 1
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elif l[:15] in '--include-paths':
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f7 = 1
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elif l == '--skip-empty-wrappers':
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emptygen = False
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elif l[0] == '-':
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errmess('Unknown option %s\n' % repr(l))
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sys.exit()
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elif f2:
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f2 = 0
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signsfile = l
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elif f3:
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f3 = 0
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modulename = l
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elif f6:
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f6 = 0
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buildpath = l
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elif f7:
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f7 = 0
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include_paths.extend(l.split(os.pathsep))
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elif f8:
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f8 = 0
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options["coutput"] = l
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elif f9:
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f9 = 0
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options["f2py_wrapper_output"] = l
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elif f10:
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f10 = 0
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options["f2cmap_file"] = l
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elif f == 1:
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try:
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with open(l):
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pass
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files.append(l)
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except OSError as detail:
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errmess(f'OSError: {detail!s}. Skipping file "{l!s}".\n')
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elif f == -1:
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skipfuncs.append(l)
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elif f == 0:
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onlyfuncs.append(l)
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if not f5 and not files and not modulename:
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print(__usage__)
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sys.exit()
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if not os.path.isdir(buildpath):
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if not verbose:
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outmess('Creating build directory %s\n' % (buildpath))
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os.mkdir(buildpath)
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if signsfile:
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signsfile = os.path.join(buildpath, signsfile)
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if signsfile and os.path.isfile(signsfile) and 'h-overwrite' not in options:
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errmess(
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'Signature file "%s" exists!!! Use --overwrite-signature to overwrite.\n' % (signsfile))
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sys.exit()
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options['emptygen'] = emptygen
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options['debug'] = debug
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options['verbose'] = verbose
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if dolc == -1 and not signsfile:
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options['do-lower'] = 0
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else:
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options['do-lower'] = dolc
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if modulename:
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options['module'] = modulename
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if signsfile:
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options['signsfile'] = signsfile
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if onlyfuncs:
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options['onlyfuncs'] = onlyfuncs
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if skipfuncs:
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options['skipfuncs'] = skipfuncs
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options['dolatexdoc'] = dolatexdoc
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options['dorestdoc'] = dorestdoc
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options['wrapfuncs'] = wrapfuncs
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options['buildpath'] = buildpath
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options['include_paths'] = include_paths
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options.setdefault('f2cmap_file', None)
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return files, options
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def callcrackfortran(files, options):
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rules.options = options
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crackfortran.debug = options['debug']
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crackfortran.verbose = options['verbose']
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if 'module' in options:
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crackfortran.f77modulename = options['module']
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if 'skipfuncs' in options:
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crackfortran.skipfuncs = options['skipfuncs']
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if 'onlyfuncs' in options:
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crackfortran.onlyfuncs = options['onlyfuncs']
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crackfortran.include_paths[:] = options['include_paths']
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crackfortran.dolowercase = options['do-lower']
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postlist = crackfortran.crackfortran(files)
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if 'signsfile' in options:
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outmess('Saving signatures to file "%s"\n' % (options['signsfile']))
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pyf = crackfortran.crack2fortran(postlist)
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if options['signsfile'][-6:] == 'stdout':
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sys.stdout.write(pyf)
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else:
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with open(options['signsfile'], 'w') as f:
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f.write(pyf)
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if options["coutput"] is None:
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for mod in postlist:
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mod["coutput"] = "%smodule.c" % mod["name"]
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else:
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for mod in postlist:
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mod["coutput"] = options["coutput"]
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if options["f2py_wrapper_output"] is None:
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for mod in postlist:
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mod["f2py_wrapper_output"] = "%s-f2pywrappers.f" % mod["name"]
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else:
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for mod in postlist:
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mod["f2py_wrapper_output"] = options["f2py_wrapper_output"]
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return postlist
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def buildmodules(lst):
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cfuncs.buildcfuncs()
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outmess('Building modules...\n')
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modules, mnames, isusedby = [], [], {}
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for item in lst:
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if '__user__' in item['name']:
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cb_rules.buildcallbacks(item)
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else:
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if 'use' in item:
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for u in item['use'].keys():
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if u not in isusedby:
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isusedby[u] = []
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isusedby[u].append(item['name'])
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modules.append(item)
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mnames.append(item['name'])
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ret = {}
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for module, name in zip(modules, mnames):
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if name in isusedby:
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outmess('\tSkipping module "%s" which is used by %s.\n' % (
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name, ','.join('"%s"' % s for s in isusedby[name])))
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else:
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um = []
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if 'use' in module:
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for u in module['use'].keys():
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if u in isusedby and u in mnames:
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um.append(modules[mnames.index(u)])
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else:
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outmess(
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f'\tModule "{name}" uses nonexisting "{u}" '
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'which will be ignored.\n')
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ret[name] = {}
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dict_append(ret[name], rules.buildmodule(module, um))
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return ret
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def dict_append(d_out, d_in):
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for (k, v) in d_in.items():
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if k not in d_out:
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d_out[k] = []
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if isinstance(v, list):
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d_out[k] = d_out[k] + v
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else:
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d_out[k].append(v)
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def run_main(comline_list):
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"""
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Equivalent to running::
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f2py <args>
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where ``<args>=string.join(<list>,' ')``, but in Python. Unless
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``-h`` is used, this function returns a dictionary containing
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information on generated modules and their dependencies on source
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files.
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You cannot build extension modules with this function, that is,
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using ``-c`` is not allowed. Use the ``compile`` command instead.
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Examples
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--------
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The command ``f2py -m scalar scalar.f`` can be executed from Python as
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follows.
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.. literalinclude:: ../../source/f2py/code/results/run_main_session.dat
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:language: python
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"""
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crackfortran.reset_global_f2py_vars()
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f2pydir = os.path.dirname(os.path.abspath(cfuncs.__file__))
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fobjhsrc = os.path.join(f2pydir, 'src', 'fortranobject.h')
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fobjcsrc = os.path.join(f2pydir, 'src', 'fortranobject.c')
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files, options = scaninputline(comline_list)
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auxfuncs.options = options
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capi_maps.load_f2cmap_file(options['f2cmap_file'])
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postlist = callcrackfortran(files, options)
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isusedby = {}
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for plist in postlist:
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if 'use' in plist:
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for u in plist['use'].keys():
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if u not in isusedby:
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isusedby[u] = []
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isusedby[u].append(plist['name'])
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for plist in postlist:
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if plist['block'] == 'python module' and '__user__' in plist['name']:
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if plist['name'] in isusedby:
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# if not quiet:
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outmess(
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f'Skipping Makefile build for module "{plist["name"]}" '
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'which is used by {}\n'.format(
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','.join(f'"{s}"' for s in isusedby[plist['name']])))
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if 'signsfile' in options:
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if options['verbose'] > 1:
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outmess(
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'Stopping. Edit the signature file and then run f2py on the signature file: ')
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outmess('%s %s\n' %
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(os.path.basename(sys.argv[0]), options['signsfile']))
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return
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for plist in postlist:
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if plist['block'] != 'python module':
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if 'python module' not in options:
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errmess(
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'Tip: If your original code is Fortran source then you must use -m option.\n')
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raise TypeError('All blocks must be python module blocks but got %s' % (
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repr(plist['block'])))
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auxfuncs.debugoptions = options['debug']
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f90mod_rules.options = options
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auxfuncs.wrapfuncs = options['wrapfuncs']
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ret = buildmodules(postlist)
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for mn in ret.keys():
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dict_append(ret[mn], {'csrc': fobjcsrc, 'h': fobjhsrc})
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return ret
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def filter_files(prefix, suffix, files, remove_prefix=None):
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"""
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Filter files by prefix and suffix.
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"""
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filtered, rest = [], []
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match = re.compile(prefix + r'.*' + suffix + r'\Z').match
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if remove_prefix:
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ind = len(prefix)
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else:
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ind = 0
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for file in [x.strip() for x in files]:
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if match(file):
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filtered.append(file[ind:])
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else:
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rest.append(file)
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return filtered, rest
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|
|
|
|
def get_prefix(module):
|
|
p = os.path.dirname(os.path.dirname(module.__file__))
|
|
return p
|
|
|
|
|
|
def run_compile():
|
|
"""
|
|
Do it all in one call!
|
|
"""
|
|
import tempfile
|
|
|
|
i = sys.argv.index('-c')
|
|
del sys.argv[i]
|
|
|
|
remove_build_dir = 0
|
|
try:
|
|
i = sys.argv.index('--build-dir')
|
|
except ValueError:
|
|
i = None
|
|
if i is not None:
|
|
build_dir = sys.argv[i + 1]
|
|
del sys.argv[i + 1]
|
|
del sys.argv[i]
|
|
else:
|
|
remove_build_dir = 1
|
|
build_dir = tempfile.mkdtemp()
|
|
|
|
_reg1 = re.compile(r'--link-')
|
|
sysinfo_flags = [_m for _m in sys.argv[1:] if _reg1.match(_m)]
|
|
sys.argv = [_m for _m in sys.argv if _m not in sysinfo_flags]
|
|
if sysinfo_flags:
|
|
sysinfo_flags = [f[7:] for f in sysinfo_flags]
|
|
|
|
_reg2 = re.compile(
|
|
r'--((no-|)(wrap-functions|lower)|debug-capi|quiet|skip-empty-wrappers)|-include')
|
|
f2py_flags = [_m for _m in sys.argv[1:] if _reg2.match(_m)]
|
|
sys.argv = [_m for _m in sys.argv if _m not in f2py_flags]
|
|
f2py_flags2 = []
|
|
fl = 0
|
|
for a in sys.argv[1:]:
|
|
if a in ['only:', 'skip:']:
|
|
fl = 1
|
|
elif a == ':':
|
|
fl = 0
|
|
if fl or a == ':':
|
|
f2py_flags2.append(a)
|
|
if f2py_flags2 and f2py_flags2[-1] != ':':
|
|
f2py_flags2.append(':')
|
|
f2py_flags.extend(f2py_flags2)
|
|
|
|
sys.argv = [_m for _m in sys.argv if _m not in f2py_flags2]
|
|
_reg3 = re.compile(
|
|
r'--((f(90)?compiler(-exec|)|compiler)=|help-compiler)')
|
|
flib_flags = [_m for _m in sys.argv[1:] if _reg3.match(_m)]
|
|
sys.argv = [_m for _m in sys.argv if _m not in flib_flags]
|
|
_reg4 = re.compile(
|
|
r'--((f(77|90)(flags|exec)|opt|arch)=|(debug|noopt|noarch|help-fcompiler))')
|
|
fc_flags = [_m for _m in sys.argv[1:] if _reg4.match(_m)]
|
|
sys.argv = [_m for _m in sys.argv if _m not in fc_flags]
|
|
|
|
del_list = []
|
|
for s in flib_flags:
|
|
v = '--fcompiler='
|
|
if s[:len(v)] == v:
|
|
from numpy.distutils import fcompiler
|
|
fcompiler.load_all_fcompiler_classes()
|
|
allowed_keys = list(fcompiler.fcompiler_class.keys())
|
|
nv = ov = s[len(v):].lower()
|
|
if ov not in allowed_keys:
|
|
vmap = {} # XXX
|
|
try:
|
|
nv = vmap[ov]
|
|
except KeyError:
|
|
if ov not in vmap.values():
|
|
print('Unknown vendor: "%s"' % (s[len(v):]))
|
|
nv = ov
|
|
i = flib_flags.index(s)
|
|
flib_flags[i] = '--fcompiler=' + nv
|
|
continue
|
|
for s in del_list:
|
|
i = flib_flags.index(s)
|
|
del flib_flags[i]
|
|
assert len(flib_flags) <= 2, repr(flib_flags)
|
|
|
|
_reg5 = re.compile(r'--(verbose)')
|
|
setup_flags = [_m for _m in sys.argv[1:] if _reg5.match(_m)]
|
|
sys.argv = [_m for _m in sys.argv if _m not in setup_flags]
|
|
|
|
if '--quiet' in f2py_flags:
|
|
setup_flags.append('--quiet')
|
|
|
|
modulename = 'untitled'
|
|
sources = sys.argv[1:]
|
|
|
|
for optname in ['--include_paths', '--include-paths', '--f2cmap']:
|
|
if optname in sys.argv:
|
|
i = sys.argv.index(optname)
|
|
f2py_flags.extend(sys.argv[i:i + 2])
|
|
del sys.argv[i + 1], sys.argv[i]
|
|
sources = sys.argv[1:]
|
|
|
|
if '-m' in sys.argv:
|
|
i = sys.argv.index('-m')
|
|
modulename = sys.argv[i + 1]
|
|
del sys.argv[i + 1], sys.argv[i]
|
|
sources = sys.argv[1:]
|
|
else:
|
|
from numpy.distutils.command.build_src import get_f2py_modulename
|
|
pyf_files, sources = filter_files('', '[.]pyf([.]src|)', sources)
|
|
sources = pyf_files + sources
|
|
for f in pyf_files:
|
|
modulename = get_f2py_modulename(f)
|
|
if modulename:
|
|
break
|
|
|
|
extra_objects, sources = filter_files('', '[.](o|a|so|dylib)', sources)
|
|
include_dirs, sources = filter_files('-I', '', sources, remove_prefix=1)
|
|
library_dirs, sources = filter_files('-L', '', sources, remove_prefix=1)
|
|
libraries, sources = filter_files('-l', '', sources, remove_prefix=1)
|
|
undef_macros, sources = filter_files('-U', '', sources, remove_prefix=1)
|
|
define_macros, sources = filter_files('-D', '', sources, remove_prefix=1)
|
|
for i in range(len(define_macros)):
|
|
name_value = define_macros[i].split('=', 1)
|
|
if len(name_value) == 1:
|
|
name_value.append(None)
|
|
if len(name_value) == 2:
|
|
define_macros[i] = tuple(name_value)
|
|
else:
|
|
print('Invalid use of -D:', name_value)
|
|
|
|
from numpy.distutils.system_info import get_info
|
|
|
|
num_info = {}
|
|
if num_info:
|
|
include_dirs.extend(num_info.get('include_dirs', []))
|
|
|
|
from numpy.distutils.core import setup, Extension
|
|
ext_args = {'name': modulename, 'sources': sources,
|
|
'include_dirs': include_dirs,
|
|
'library_dirs': library_dirs,
|
|
'libraries': libraries,
|
|
'define_macros': define_macros,
|
|
'undef_macros': undef_macros,
|
|
'extra_objects': extra_objects,
|
|
'f2py_options': f2py_flags,
|
|
}
|
|
|
|
if sysinfo_flags:
|
|
from numpy.distutils.misc_util import dict_append
|
|
for n in sysinfo_flags:
|
|
i = get_info(n)
|
|
if not i:
|
|
outmess('No %s resources found in system'
|
|
' (try `f2py --help-link`)\n' % (repr(n)))
|
|
dict_append(ext_args, **i)
|
|
|
|
ext = Extension(**ext_args)
|
|
sys.argv = [sys.argv[0]] + setup_flags
|
|
sys.argv.extend(['build',
|
|
'--build-temp', build_dir,
|
|
'--build-base', build_dir,
|
|
'--build-platlib', '.',
|
|
# disable CCompilerOpt
|
|
'--disable-optimization'])
|
|
if fc_flags:
|
|
sys.argv.extend(['config_fc'] + fc_flags)
|
|
if flib_flags:
|
|
sys.argv.extend(['build_ext'] + flib_flags)
|
|
|
|
setup(ext_modules=[ext])
|
|
|
|
if remove_build_dir and os.path.exists(build_dir):
|
|
import shutil
|
|
outmess('Removing build directory %s\n' % (build_dir))
|
|
shutil.rmtree(build_dir)
|
|
|
|
|
|
def main():
|
|
if '--help-link' in sys.argv[1:]:
|
|
sys.argv.remove('--help-link')
|
|
from numpy.distutils.system_info import show_all
|
|
show_all()
|
|
return
|
|
|
|
# Probably outdated options that were not working before 1.16
|
|
if '--g3-numpy' in sys.argv[1:]:
|
|
sys.stderr.write("G3 f2py support is not implemented, yet.\\n")
|
|
sys.exit(1)
|
|
elif '--2e-numeric' in sys.argv[1:]:
|
|
sys.argv.remove('--2e-numeric')
|
|
elif '--2e-numarray' in sys.argv[1:]:
|
|
# Note that this errors becaust the -DNUMARRAY argument is
|
|
# not recognized. Just here for back compatibility and the
|
|
# error message.
|
|
sys.argv.append("-DNUMARRAY")
|
|
sys.argv.remove('--2e-numarray')
|
|
elif '--2e-numpy' in sys.argv[1:]:
|
|
sys.argv.remove('--2e-numpy')
|
|
else:
|
|
pass
|
|
|
|
if '-c' in sys.argv[1:]:
|
|
run_compile()
|
|
else:
|
|
run_main(sys.argv[1:])
|
|
|