2013-03-18 15:27:14 +01:00
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# Copyright (c) 2013 Paul Tagliamonte <paultag@debian.org>
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2013-03-04 01:40:46 +01:00
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#
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2013-03-18 15:27:14 +01:00
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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2013-03-04 01:40:46 +01:00
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2013-03-10 15:58:31 +01:00
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from hy.compiler import hy_compile
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2013-03-04 01:40:46 +01:00
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from hy.lex import tokenize
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2013-03-09 22:34:35 +01:00
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from hy.core import process
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2013-03-05 04:35:07 +01:00
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2013-03-09 00:18:43 +01:00
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2013-03-04 01:40:46 +01:00
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import imp
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2013-03-05 04:35:07 +01:00
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import sys
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import os
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2013-03-04 01:40:46 +01:00
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2013-03-10 15:58:31 +01:00
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if sys.version_info[0] >= 3:
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from io import StringIO
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else:
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from StringIO import StringIO
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def import_buffer_to_hst(fd):
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2013-03-12 01:40:38 +01:00
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tree = tokenize(fd.read() + "\n")
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2013-03-09 00:18:43 +01:00
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tree = process(tree)
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return tree
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2013-03-10 15:58:31 +01:00
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def import_file_to_hst(fpath):
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return import_buffer_to_hst(open(fpath, 'r'))
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2013-03-09 00:18:43 +01:00
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def import_file_to_ast(fpath):
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tree = import_file_to_hst(fpath)
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ast = hy_compile(tree)
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return ast
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2013-03-10 15:58:31 +01:00
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def import_string_to_ast(buff):
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tree = import_buffer_to_hst(StringIO(buff))
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ast = hy_compile(tree)
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return ast
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2013-03-04 01:40:46 +01:00
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def import_file_to_module(name, fpath):
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2013-03-09 00:18:43 +01:00
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ast = import_file_to_ast(fpath)
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2013-03-04 01:40:46 +01:00
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mod = imp.new_module(name)
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mod.__file__ = fpath
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eval(compile(ast, fpath, "exec"), mod.__dict__)
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return mod
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2013-03-05 04:35:07 +01:00
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class HyFinder(object):
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def is_package(self, fullname):
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dirpath = "/".join(fullname.split("."))
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for pth in sys.path:
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pth = os.path.abspath(pth)
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composed_path = "%s/%s/__init__.hy" % (pth, dirpath)
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if os.path.exists(composed_path):
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return True
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return False
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def find_on_path(self, fullname):
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fls = ["%s/__init__.hy", "%s.hy"]
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dirpath = "/".join(fullname.split("."))
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for pth in sys.path:
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pth = os.path.abspath(pth)
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for fp in fls:
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composed_path = fp % ("%s/%s" % (pth, dirpath))
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if os.path.exists(composed_path):
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return composed_path
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class MetaLoader(HyFinder):
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def load_module(self, fullname):
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if fullname in sys.modules:
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return sys.modules[fullname]
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pth = self.find_on_path(fullname)
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if pth is None:
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return
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sys.modules[fullname] = None
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mod = import_file_to_module(fullname, pth)
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ispkg = self.is_package(fullname)
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mod.__file__ = pth
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mod.__loader__ = self
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mod.__name__ = fullname
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if ispkg:
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mod.__path__ = []
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mod.__package__ = fullname
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else:
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mod.__package__ = fullname.rpartition('.')[0]
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sys.modules[fullname] = mod
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return mod
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class MetaImporter(HyFinder):
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def find_module(self, fullname, path=None):
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pth = self.find_on_path(fullname)
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if pth is None:
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return
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return MetaLoader()
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sys.meta_path.append(MetaImporter())
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sys.path.insert(0, "")
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