fix corpora handling

corpkit/corpus.py

@@ -61,7 +61,7 @@ def _lazyprop(self):
             return getattr(self, attr_name)
     return _lazyprop
 
-class Corpus(object):
+class Corpus:
     """
     A class representing a linguistic text corpus, which contains files,
     optionally within subcorpus folders.
@@ -663,17 +663,17 @@ def __next__(self): # Python 3: def __next__(self)
     def interrogate(self, *args, **kwargs):
         """Interrogate the corpus using :func:`~corpkit.corpus.Corpus.interrogate`"""
         from interrogator import interrogator
-        return interrogator([s for s in self], *args, **kwargs)
+        return interrogator(self, *args, **kwargs)
 
     def concordance(self, *args, **kwargs):
         """Concordance the corpus using :func:`~corpkit.corpus.Corpus.concordance`"""
         from interrogator import interrogator
-        return interrogator([s for s in self], do_concordancing = 'only', *args, **kwargs)
+        return interrogator(self, do_concordancing = 'only', *args, **kwargs)
 
     def configurations(self, search, **kwargs):
         """Get a configuration using :func:`~corpkit.corpus.Corpus.configurations`"""
         from configurations import configurations
-        return configurations([s for s in self], search, **kwargs)
+        return configurations(self, search, **kwargs)
 
 from corpus import Datalist
 class Corpora(Datalist):

corpkit/interrogation.py

@@ -379,10 +379,10 @@ def format(self, kind = 'string', n = 100, window = 35, columns = 'all', **kwarg
         """
         Print concordance lines nicely, to string, LaTeX or CSV
 
-        :param kind: output format
-        :type kind: str (``'string'``/``'latex'``/``'csv'``)
-        :param n: Print first ``n`` lines only
-        :type n: int/'all'
+        :param kind: output format: `'string'`/`'latex'`/`'csv'`
+        :type kind: str
+        :param n: Print first `n` lines only
+        :type n: int/`'all'`
         :param window: how many characters to show to left and right
         :type window: int
         :param columns: which columns to show

corpkit/interrogator.py

@@ -52,13 +52,12 @@ def interrogator(corpus,
 
     import corpkit
     from interrogation import Interrogation
-    from corpus import Datalist
-    from process import tregex_engine
+    from corpus import Datalist, Corpora, Corpus
+    from process import tregex_engine, get_deps
     import pandas as pd
     from pandas import DataFrame, Series
     from collections import Counter
     from other import as_regex
-    from process import get_deps
     from time import localtime, strftime
     from textprogressbar import TextProgressBar
     from process import animator
@@ -94,9 +93,7 @@ def signal_handler(signal, frame):
     note = kwargs.get('note')
 
     # convert path to corpus object
-    from corpus import Corpus
-
-    if corpus.__class__ != Corpus:
+    if corpus.__class__ not in [Corpus, Corpora]:
         if not multiprocess and not kwargs.get('outname'):
             corpus = Corpus(corpus, print_info = False)
 
@@ -590,6 +587,8 @@ def plaintext_simple_search(pattern, plaintext_data, concordancing = False, **kw
         corpus = Corpus(corpus)
     if hasattr(corpus, '__iter__') and not im:
         im = True
+    if corpus.__class__ == Corpora:
+        im = True
 
     if not im and multiprocess:
         im = True