Removing io.formats.common and moving functions to formats.format

Author: shangyian

pandas/core/frame.py

@@ -1842,7 +1842,7 @@ def info(self, verbose=None, buf=None, max_cols=None, memory_usage=None,
             - If False, never show counts.
 
         """
-        from pandas.io.formats.common import buffer_put_lines
+        from pandas.io.formats.format import buffer_put_lines
 
         if buf is None:  # pragma: no cover
             buf = sys.stdout

pandas/io/formats/common.py

@@ -14,7 +14,7 @@
 from pandas.core.dtypes.common import is_float, is_scalar
 from pandas.core.dtypes import missing
 from pandas import Index, MultiIndex, PeriodIndex
-from pandas.io.formats.common import get_level_lengths
+from pandas.io.formats.format import get_level_lengths
 
 
 class ExcelCell(object):

pandas/io/formats/excel.py

@@ -1543,3 +1543,59 @@ def _binify(cols, line_width):
 
     bins.append(len(cols))
     return bins
+
+
+def get_level_lengths(levels, sentinel=''):
+    """For each index in each level the function returns lengths of indexes.
+
+    Parameters
+    ----------
+    levels : list of lists
+        List of values on for level.
+    sentinel : string, optional
+        Value which states that no new index starts on there.
+
+    Returns
+    ----------
+    Returns list of maps. For each level returns map of indexes (key is index
+    in row and value is length of index).
+    """
+    if len(levels) == 0:
+        return []
+
+    control = [True for x in levels[0]]
+
+    result = []
+    for level in levels:
+        last_index = 0
+
+        lengths = {}
+        for i, key in enumerate(level):
+            if control[i] and key == sentinel:
+                pass
+            else:
+                control[i] = False
+                lengths[last_index] = i - last_index
+                last_index = i
+
+        lengths[last_index] = len(level) - last_index
+
+        result.append(lengths)
+
+    return result
+
+
+def buffer_put_lines(buf, lines):
+    """
+    Appends lines to a buffer.
+
+    Parameters
+    ----------
+    buf
+        The buffer to write to
+    lines
+        The lines to append.
+    """
+    if any(isinstance(x, compat.text_type) for x in lines):
+        lines = [compat.text_type(x) for x in lines]
+    buf.write('\n'.join(lines))

pandas/io/formats/format.py

@@ -15,8 +15,8 @@
                            OrderedDict, unichr)
 from pandas.core.config import get_option
 from pandas.io.formats.printing import pprint_thing
-from pandas.io.formats.common import (
-    get_level_lengths, buffer_put_lines)
+from pandas.io.formats.format import (get_level_lengths,
+                                      buffer_put_lines)
 from pandas.io.formats.format import TableFormatter