module imports are working now

This commit is contained in:
David Halter
2012-04-09 00:27:10 +02:00
parent baf8c60e9a
commit 429a8eedb3
7 changed files with 164 additions and 84 deletions

View File

@@ -1,5 +1,6 @@
import imp
import sys
import os
import debug
import parsing
@@ -20,11 +21,11 @@ class File(object):
Manages all files, that are parsed and caches them.
:param source: The source code of the file.
:param module_name: The module name of the file.
:param module_path: The module path of the file.
"""
def __init__(self, module_name, source):
def __init__(self, module_path, source):
self.source = source
self.module_name = module_name
self.module_path = module_path
self._line_cache = None
self._parser = None
@@ -32,30 +33,34 @@ class File(object):
def parser(self):
if self._parser:
return self._parser
if not self.module_name and not self.source:
if not self.module_path and not self.source:
raise AttributeError("Submit a module name or the source code")
elif self.module_name:
elif self.module_path:
return self._load_module()
def _load_module(self):
self._parser = parsing.PyFuzzyParser(self.source)
self._parser = parsing.PyFuzzyParser(self.source, self.module_path)
del self.source # efficiency
return self._parser
def find_module(point_path):
def find_module(current_module, point_path):
"""
Find a module with a path (of the module, like usb.backend.libusb10).
Relative imports: http://www.python.org/dev/peps/pep-0328
are only used like this (py3000): from .module import name.
:param current_ns_path: A path to the current namespace.
:param point_path: A name from the parser.
:return: The rest of the path, and the module top scope.
"""
def follow_str(ns, string):
debug.dbg('follow_module', ns, string)
if ns:
path = ns[1]
path = [ns[1]]
else:
# TODO modules can be system modules, without '.' in path
path = module_find_path
path = None
debug.dbg('search_module', string, path)
try:
i = imp.find_module(string, path)
@@ -67,8 +72,9 @@ def find_module(point_path):
raise
return i
# now execute those paths
current_namespace = None
sys.path.insert(0, os.path.dirname(current_module.module_path))
# now execute those paths
rest = []
for i, s in enumerate(point_path):
try:
@@ -80,8 +86,19 @@ def find_module(point_path):
raise ModuleNotFound(
'The module you searched has not been found')
if current_namespace[0]:
f = File(current_namespace[2], current_namespace[0].read())
sys.path.pop(0)
path = current_namespace[1]
is_package_directory = current_namespace[2][2] == imp.PKG_DIRECTORY
if is_package_directory or current_namespace[0]:
# is a directory module
if is_package_directory:
path += '/__init__.py'
with open(path) as f:
source = f.read()
else:
source = current_namespace[0].read()
f = File(path, source)
else:
f = builtin.Parser(current_namespace[1])
f = builtin.Parser(path)
return f.parser.top, rest