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Cannot Import Name Python
Each key will have as its value the corresponding module object. share|improve this answer edited Jun 15 '14 at 12:43 answered May 23 '14 at 19:11 Dunes 16.5k22651 that works!!!!!!!! –vks Oct 12 '14 at 20:26 add a comment| up This mapping serves as a cache of all modules that have been previously imported, including the intermediate paths. The original specification for sys.meta_path was PEP 302, with subsequent extension in PEP 420. Check This Out
Namespace packages 5.3. Two way (bidirectional ) navigation is very common in object orientation. The "name", "loader", "origin", and "has_location" attributes are consulted. do_stuff_with(mod_login.mod_login) mod_login.py from app import app mod_login = something share|improve this answer answered Apr 19 at 13:52 Jivan 5,08411637 add a comment| Your Answer draft saved draft discarded Sign up visit
Cannot Import Name Python
Navigation index modules | next | previous | PyMOTW » Python Runtime Services » sys - System-specific Configuration » View the discussion thread.blog comments powered by Disqus © Copyright Doug Hellmann. The package(SOAPpy) I installed by pip is located /System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/ And site-package is not in the python path, all I did is add site-packages to PYTHONPATH permanently. 1.Open up Terminal 2.Type open So it’s always better to know exactly what you’re importing. Specifically, any module that contains a __path__ attribute is considered a package.
import sys for name in sys.builtin_module_names: print name The output of this script will vary, especially if run with a custom-built version of the interpreter. However, it is also useful in that it makes it possible to explicitly declare that a package is closed to additional contributions. from foo import barThis statement imports bar which could be anything that is declared in the module. Python Cannot Import Class return os.path.join(self.path_entry, fullname) def get_source(self, fullname): print 'loading source for "%s" from shelf' % fullname try: with shelve_context(self.path_entry) as db: key_name = _get_key_name(fullname, db) if key_name: return db[key_name] raise ImportError('could not
Importing problems are often due to the right directory being absent from these lists which python, which pip, or which easy_install: these will tell you the location of each executable. Lesson learned. If sys.path_hooks iteration ends with no path entry finder being returned, then the path based finder's find_spec() method will store None in sys.path_importer_cache (to indicate that there http://stackoverflow.com/questions/14295680/cannot-import-a-python-module-that-is-definitely-installed-mechanize Using a spec during import allows state to be transferred between import system components, e.g.
In the example output below, several zipimport.zipimporter instances are used to manage EGG files found on the path. $ python sys_path_importer_cache.py PATH:['/Users/dhellmann/Documents/PyMOTW/src/PyMOTW/sys', '/Users/dhellmann/Documents/PyMOTW/sphinx-graphviz-paragraphs', '/Users/dhellmann/Envs/pymotw/lib/python2.7/site-packages/distribute- 0.6.14-py2.7.egg', '/Users/dhellmann/Envs/pymotw/lib/python2.7/site-packages/pip-0.8.1-p y2.7.egg', '/Users/dhellmann/Envs/pymotw/lib/python27.zip', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site -packages/distribute-0.6.10-py2.7.egg', '/Users/dhellmann/Devel/virtualenvwrapper/virtualenvwrapper', Circular Dependency Python Even worse, the import process mucked with the sys.path--and left it that way. When the module is a package, its __package__ value should be set to its __name__. The current working directory - denoted by an empty string - is handled slightly differently from other entries on sys.path.
Python Cannot Import Module
How can I take a powerful plot item away from players without frustrating them? Teenage daughter refusing to go to school How do I make an alien technology feel alien? Cannot Import Name Python I may add more details on each of these over time: the weird signature of __import__ the influence of the module globals (__import__, __path__, __package__) issues with Python Circular Import Refer to the importlib library documentation for additional detail. 5.2.
PEP 328 introduced absolute and explicit relative imports and initially proposed __name__ for semantics PEP 366 would eventually specify for __package__. http://cluefest.com/cannot-import/python-cannot-import-name-timezone.html What do I do? Obviously you wouldn’t use it with an explicit string, but rather with a variable of some kind. XXX runpy, pkgutil, et al in the library manual should all get "See Also" links at the top pointing to the new import system section. Python Local Import
module.__path__ 5.4.6. There are two types of import hooks: meta hooks and import path hooks. However, the method is deprecated. 5.5. this contact form How to prove that authentication system works, and that customer uses the wrong password?
It turns out this is a really bad idea, as using such a name means the Python interpreter can no longer find the real socket module in the standard library, as Python Detect Circular Import This technique may also be employed at the module level to only alter the behaviour of import statements within that module. The import machinery calls the importlib.abc.Loader.exec_module() method with a single argument, the module object to execute.
Finders¶ Custom importers are implemented in two separate phases.
Instead of giving different names, you can explicitly import the one closest to you. Path entry finder protocol¶ In order to support imports of modules and initialized packages and also to contribute portions to namespace packages, path entry finders must implement the find_spec() method. I suggest you change the casing of entity in your imports to be Entity. Python Find Circular Dependencies asked 3 years ago viewed 46140 times active 6 months ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Get the weekly newsletter!
there may be stat() call overheads for this search), the path based finder maintains a cache mapping path entries to path entry finders. If the module has a spec (__spec__), the import machinery will try to generate a repr from it. woohoo! –Alexander Taylor May 26 at 6:49 1 In my case, I refactored a single python script into different modules, leaving some old .py and .pyc files around, and stumbled navigate here These were previously performed by the importlib.abc.Loader.load_module() method. 5.4.1.
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