X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=bindings%2Fpython%2Fnotmuch%2Ffilenames.py;h=229f414de63224053b026a933a305d1ba9ad990b;hp=2079530f656ff3cd78c50a67e7d94e3d2b46843d;hb=bcccc2e1fe19003e28b6cd85d3f2b2beda40335f;hpb=e74b1f807bea9b8572a71757da9a3003e24a02b8 diff --git a/bindings/python/notmuch/filenames.py b/bindings/python/notmuch/filenames.py index 2079530f..229f414d 100644 --- a/bindings/python/notmuch/filenames.py +++ b/bindings/python/notmuch/filenames.py @@ -17,7 +17,7 @@ along with notmuch. If not, see . Copyright 2010 Sebastian Spaeth """ from ctypes import c_char_p -from notmuch.globals import ( +from .globals import ( nmlib, NotmuchMessageP, NotmuchFilenamesP, @@ -32,29 +32,32 @@ from .errors import ( class Filenames(Python3StringMixIn): """Represents a list of filenames as returned by notmuch - This object contains the Filenames iterator. The main function is - as_generator() which will return a generator so we can do a Filenamesth an - iterator over a list of notmuch filenames. Do note that the underlying - library only provides a one-time iterator (it cannot reset the iterator to - the start). Thus iterating over the function will "exhaust" the list of - tags, and a subsequent iteration attempt will raise a - :exc:`NotInitializedError`. Also note, that any function that uses - iteration (nearly all) will also exhaust the tags. So both:: + Objects of this class implement the iterator protocol. - for name in filenames: print name + .. note:: - as well as:: + The underlying library only provides a one-time iterator (it + cannot reset the iterator to the start). Thus iterating over + the function will "exhaust" the list of tags, and a subsequent + iteration attempt will raise a + :exc:`NotInitializedError`. Also note, that any function that + uses iteration (nearly all) will also exhaust the tags. So + both:: - number_of_names = len(names) + for name in filenames: print name - and even a simple:: + as well as:: - #str() iterates over all tags to construct a space separated list - print(str(filenames)) + number_of_names = len(names) - will "exhaust" the Filenames. However, you can use - :meth:`Message.get_filenames` repeatedly to get fresh Filenames - objects to perform various actions on filenames. + and even a simple:: + + #str() iterates over all tags to construct a space separated list + print(str(filenames)) + + will "exhaust" the Filenames. However, you can use + :meth:`Message.get_filenames` repeatedly to get fresh + Filenames objects to perform various actions on filenames. """ #notmuch_filenames_get @@ -112,13 +115,10 @@ class Filenames(Python3StringMixIn): def __unicode__(self): """Represent Filenames() as newline-separated list of full paths - .. note:: As this iterates over the filenames, we will not be - able to iterate over them again (as in retrieve them)! If - the tags have been exhausted already, this will raise a - :exc:`NotInitializedError` on subsequent - attempts. However, you can use - :meth:`Message.get_filenames` repeatedly to perform - various actions on filenames. + .. note:: + + This method exhausts the iterator object, so you will not be able to + iterate over them again. """ return "\n".join(self) @@ -128,7 +128,7 @@ class Filenames(Python3StringMixIn): def __del__(self): """Close and free the notmuch filenames""" - if self._files_p is not None: + if self._files_p: self._destroy(self._files_p) def __len__(self): @@ -136,15 +136,8 @@ class Filenames(Python3StringMixIn): .. note:: - As this iterates over the files, we will not be able to - iterate over them again! So this will fail:: - - #THIS FAILS - files = Database().get_directory('').get_child_files() - if len(files) > 0: # this 'exhausts' msgs - # next line raises - # NotmuchError(:attr:`STATUS`.NOT_INITIALIZED) - for file in files: print file + This method exhausts the iterator object, so you will not be able to + iterate over them again. """ if not self._files_p: raise NotInitializedError()