DanielSzoska

class TextPatcherBase(object):

    def mangle_doc(self, doc, rflag, mapping):
        raise NotImplementedError

    def mangle_docs(self, patchfunc, mappings):
        self.ndocs_patched = 0
        for doc in self.docs:
            if doc.key in mappings:
                self.mangle_doc(doc, True, mappings[doc.key])

DanielSzoska

with io.open(..) as f:
    # do something
    pass

    # save the type of newlines
    self.newlines = f.newlines

DanielSzoska

# open textfile
filename = 'text.txt'
with open(filename, 'rU') as f:
    lines = f.readlines()
    newline = f.newlines
    if not newline:
        raise IOError, "no newlines in %s, possible no textfile" % filename
    if isinstance(newline, tuple):
        raise IOError, "more than one type of newlines in %s" % filename