import sys

class FauxTb(object):
    def __init__(self, tb_frame, tb_lineno, tb_next):
        self.tb_frame = tb_frame
        self.tb_lineno = tb_lineno
        self.tb_next = tb_next

def current_stack(skip=0):
    try: 1/0
    except ZeroDivisionError:
        f = sys.exc_info()[2].tb_frame
    for i in range(skip + 2):
        f = f.f_back
    lst = []
    while f is not None:
        lst.append((f, f.f_lineno))
        f = f.f_back
    return lst

def extend_traceback(tb, stack):
    """Extend traceback with stack info."""
    head = tb
    for tb_frame, tb_lineno in stack:
        head = FauxTb(tb_frame, tb_lineno, head)
    return head

def full_exc_info(exc_info):
    """Like sys.exc_info, but includes the full traceback."""
    t, v, tb = exc_info
    full_tb = extend_traceback(tb, current_stack(1))
    return t, v, full_tb

class RedditLoginFailed(Exception):
    pass

class ImgurLoginError(Exception):
    pass

class FileAlreadyExistsError(Exception):
    pass

class NotADownloadableLinkError(Exception):
    pass

class AlbumNotDownloadedCompletely(Exception):
    pass

class FileNameTooLong(Exception):
    pass

class InvalidRedditLink(Exception):
    pass

class ProgramModeError(Exception):
    pass

class SearchModeError(Exception):
    pass

class RedditorNameError(Exception):
    pass

class NoMatchingSubmissionFound(Exception):
    pass

class NoPrawSupport(Exception):
    pass

class NoRedditSupport(Exception):
    pass

class MultiredditNotFound(Exception):
    pass

class InsufficientPermission(Exception):
    pass

class InvalidSortingType(Exception):
    pass

class FileNotFoundError(Exception):
    pass

class NoSuitablePost(Exception):
    pass

class ImgurLimitError(Exception):
    pass