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m---------waflib0
-rw-r--r--waflib/extras/cython.py147
2 files changed, 0 insertions, 147 deletions
diff --git a/waflib b/waflib
new file mode 160000
+Subproject 2314e236ca6e7d94a26c3c17091da0f25f5867f
diff --git a/waflib/extras/cython.py b/waflib/extras/cython.py
deleted file mode 100644
index 591c274d..00000000
--- a/waflib/extras/cython.py
+++ /dev/null
@@ -1,147 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2010-2015
-
-import re
-from waflib import Task, Logs
-from waflib.TaskGen import extension
-
-cy_api_pat = re.compile(r'\s*?cdef\s*?(public|api)\w*')
-re_cyt = re.compile(r"""
- ^\s* # must begin with some whitespace characters
- (?:from\s+(\w+)(?:\.\w+)*\s+)? # optionally match "from foo(.baz)" and capture foo
- c?import\s(\w+|[*]) # require "import bar" and capture bar
- """, re.M | re.VERBOSE)
-
-@extension('.pyx')
-def add_cython_file(self, node):
- """
- Process a *.pyx* file given in the list of source files. No additional
- feature is required::
-
- def build(bld):
- bld(features='c cshlib pyext', source='main.c foo.pyx', target='app')
- """
- ext = '.c'
- if 'cxx' in self.features:
- self.env.append_unique('CYTHONFLAGS', '--cplus')
- ext = '.cc'
-
- for x in getattr(self, 'cython_includes', []):
- # TODO re-use these nodes in "scan" below
- d = self.path.find_dir(x)
- if d:
- self.env.append_unique('CYTHONFLAGS', '-I%s' % d.abspath())
-
- tsk = self.create_task('cython', node, node.change_ext(ext))
- self.source += tsk.outputs
-
-class cython(Task.Task):
- run_str = '${CYTHON} ${CYTHONFLAGS} -o ${TGT[0].abspath()} ${SRC}'
- color = 'GREEN'
-
- vars = ['INCLUDES']
- """
- Rebuild whenever the INCLUDES change. The variables such as CYTHONFLAGS will be appended
- by the metaclass.
- """
-
- ext_out = ['.h']
- """
- The creation of a .h file is known only after the build has begun, so it is not
- possible to compute a build order just by looking at the task inputs/outputs.
- """
-
- def runnable_status(self):
- """
- Perform a double-check to add the headers created by cython
- to the output nodes. The scanner is executed only when the cython task
- must be executed (optimization).
- """
- ret = super(cython, self).runnable_status()
- if ret == Task.ASK_LATER:
- return ret
- for x in self.generator.bld.raw_deps[self.uid()]:
- if x.startswith('header:'):
- self.outputs.append(self.inputs[0].parent.find_or_declare(x.replace('header:', '')))
- return super(cython, self).runnable_status()
-
- def post_run(self):
- for x in self.outputs:
- if x.name.endswith('.h'):
- if not x.exists():
- if Logs.verbose:
- Logs.warn('Expected %r', x.abspath())
- x.write('')
- return Task.Task.post_run(self)
-
- def scan(self):
- """
- Return the dependent files (.pxd) by looking in the include folders.
- Put the headers to generate in the custom list "bld.raw_deps".
- To inspect the scanne results use::
-
- $ waf clean build --zones=deps
- """
- node = self.inputs[0]
- txt = node.read()
-
- mods = set()
- for m in re_cyt.finditer(txt):
- if m.group(1): # matches "from foo import bar"
- mods.add(m.group(1))
- else:
- mods.add(m.group(2))
-
- Logs.debug('cython: mods %r', mods)
- incs = getattr(self.generator, 'cython_includes', [])
- incs = [self.generator.path.find_dir(x) for x in incs]
- incs.append(node.parent)
-
- found = []
- missing = []
- for x in sorted(mods):
- for y in incs:
- k = y.find_resource(x + '.pxd')
- if k:
- found.append(k)
- break
- else:
- missing.append(x)
-
- # the cython file implicitly depends on a pxd file that might be present
- implicit = node.parent.find_resource(node.name[:-3] + 'pxd')
- if implicit:
- found.append(implicit)
-
- Logs.debug('cython: found %r', found)
-
- # Now the .h created - store them in bld.raw_deps for later use
- has_api = False
- has_public = False
- for l in txt.splitlines():
- if cy_api_pat.match(l):
- if ' api ' in l:
- has_api = True
- if ' public ' in l:
- has_public = True
- name = node.name.replace('.pyx', '')
- if has_api:
- missing.append('header:%s_api.h' % name)
- if has_public:
- missing.append('header:%s.h' % name)
-
- return (found, missing)
-
-def options(ctx):
- ctx.add_option('--cython-flags', action='store', default='', help='space separated list of flags to pass to cython')
-
-def configure(ctx):
- if not ctx.env.CC and not ctx.env.CXX:
- ctx.fatal('Load a C/C++ compiler first')
- if not ctx.env.PYTHON:
- ctx.fatal('Load the python tool first!')
- ctx.find_program('cython', var='CYTHON')
- if hasattr(ctx.options, 'cython_flags'):
- ctx.env.CYTHONFLAGS = ctx.options.cython_flags
-