8b144a4f3d
We can know use any amount and type of bytes to build a HyString, meaning we can use Unicode and UTF-8 for our function and variables. Eat that, snake! Signed-off-by: Julien Danjou <julien@danjou.info>
156 lines
4.4 KiB
Python
156 lines
4.4 KiB
Python
# Copyright (c) 2013 Paul Tagliamonte <paultag@debian.org>
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a
|
|
# copy of this software and associated documentation files (the "Software"),
|
|
# to deal in the Software without restriction, including without limitation
|
|
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
# and/or sell copies of the Software, and to permit persons to whom the
|
|
# Software is furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in
|
|
# all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
# DEALINGS IN THE SOFTWARE.
|
|
|
|
from hy.compiler import hy_compile
|
|
from hy.lex import tokenize
|
|
from hy.core import process
|
|
from py_compile import wr_long, MAGIC
|
|
|
|
|
|
import io
|
|
import marshal
|
|
import imp
|
|
import sys
|
|
import os
|
|
|
|
|
|
if sys.version_info[0] >= 3:
|
|
from io import StringIO
|
|
else:
|
|
from StringIO import StringIO # NOQA
|
|
|
|
|
|
def import_buffer_to_hst(fd):
|
|
tree = tokenize(fd.read() + "\n")
|
|
tree = process(tree)
|
|
return tree
|
|
|
|
|
|
def import_file_to_hst(fpath):
|
|
return import_buffer_to_hst(io.open(fpath, 'rU', encoding='utf-8'))
|
|
|
|
|
|
def import_file_to_ast(fpath):
|
|
tree = import_file_to_hst(fpath)
|
|
try:
|
|
ast = hy_compile(tree)
|
|
except Exception as e:
|
|
print("Compilation error at %s:%d,%d"
|
|
% (fpath, e.start_line, e.start_column))
|
|
print("Compilation error: " + e.message)
|
|
raise e.exception
|
|
return ast
|
|
|
|
|
|
def import_string_to_ast(buff):
|
|
tree = import_buffer_to_hst(StringIO(buff))
|
|
ast = hy_compile(tree)
|
|
return ast
|
|
|
|
|
|
def import_file_to_module(name, fpath):
|
|
ast = import_file_to_ast(fpath)
|
|
mod = imp.new_module(name)
|
|
mod.__file__ = fpath
|
|
eval(compile(ast, fpath, "exec"), mod.__dict__)
|
|
return mod
|
|
|
|
|
|
def write_hy_as_pyc(fname):
|
|
with open(fname, 'U') as f:
|
|
try:
|
|
timestamp = long(os.fstat(f.fileno()).st_mtime)
|
|
except AttributeError:
|
|
timestamp = long(os.stat(fname).st_mtime)
|
|
|
|
_ast = import_file_to_ast(fname)
|
|
code = compile(_ast, fname, "exec")
|
|
cfile = "%s.pyc" % fname[:-len(".hy")]
|
|
|
|
with open(cfile, 'wb') as fc:
|
|
fc.write('\0\0\0\0')
|
|
wr_long(fc, timestamp)
|
|
marshal.dump(code, fc)
|
|
fc.flush()
|
|
fc.seek(0, 0)
|
|
fc.write(MAGIC)
|
|
|
|
|
|
class HyFinder(object):
|
|
def is_package(self, fullname):
|
|
dirpath = "/".join(fullname.split("."))
|
|
for pth in sys.path:
|
|
pth = os.path.abspath(pth)
|
|
composed_path = "%s/%s/__init__.hy" % (pth, dirpath)
|
|
if os.path.exists(composed_path):
|
|
return True
|
|
return False
|
|
|
|
def find_on_path(self, fullname):
|
|
fls = ["%s/__init__.hy", "%s.hy"]
|
|
dirpath = "/".join(fullname.split("."))
|
|
|
|
for pth in sys.path:
|
|
pth = os.path.abspath(pth)
|
|
for fp in fls:
|
|
composed_path = fp % ("%s/%s" % (pth, dirpath))
|
|
if os.path.exists(composed_path):
|
|
return composed_path
|
|
|
|
|
|
class MetaLoader(HyFinder):
|
|
def load_module(self, fullname):
|
|
if fullname in sys.modules:
|
|
return sys.modules[fullname]
|
|
|
|
pth = self.find_on_path(fullname)
|
|
if pth is None:
|
|
return
|
|
|
|
sys.modules[fullname] = None
|
|
mod = import_file_to_module(fullname, pth)
|
|
|
|
ispkg = self.is_package(fullname)
|
|
|
|
mod.__file__ = pth
|
|
mod.__loader__ = self
|
|
mod.__name__ = fullname
|
|
|
|
if ispkg:
|
|
mod.__path__ = []
|
|
mod.__package__ = fullname
|
|
else:
|
|
mod.__package__ = fullname.rpartition('.')[0]
|
|
|
|
sys.modules[fullname] = mod
|
|
return mod
|
|
|
|
|
|
class MetaImporter(HyFinder):
|
|
def find_module(self, fullname, path=None):
|
|
pth = self.find_on_path(fullname)
|
|
if pth is None:
|
|
return
|
|
return MetaLoader()
|
|
|
|
|
|
sys.meta_path.append(MetaImporter())
|
|
sys.path.insert(0, "")
|