improved: long string handle - step 1

beeprint/constants.py

@@ -37,3 +37,8 @@
 _DL_MODULE_ = 1
 _DL_FUNC_ = 2
 _DL_STATEMENT = 3
+
+# long string 
+_LS_WRAP_BY_NONE = 0
+_LS_WRAP_BY_TERMINAL = 1
+_LS_WRAP_BY_80_COLUMN = 2

beeprint/printer.py

@@ -412,7 +412,7 @@ def typeval(v):
             ret = ret.replace(u'\n', u'\\n')
             ret = ret.replace(u'\r', u'\\r')
         else:
-            ret = u'<YOU HAVE UNSET S.united_str_coding_representation>'
+            ret = u'<YOU HAVE SET S.united_str_coding_representation TO True>'
 
     except Exception as e:
         if S.priority_strategy == C._PS_CORRECTNESS_FIRST:

beeprint/settings.py

@@ -25,7 +25,7 @@
 # use buffer_handler.flush() every print
 write_to_buffer_when_execute = False
 
-# >> class controll
+# >> class control
 # 过滤以 x 开头的属性
 prop_leading_filters = ["__", "func_"]
 # 根据类型过滤对象的属性
@@ -39,12 +39,17 @@
 # debug = False
 debug_level = 0
 
+# >> string control
 # united_str_coding_representation
 # In spite of python version
 # unicode string will be displayed as u''
 # non-unicode string will be displayed as b''
 united_str_coding_representation = True
 str_display_not_prefix_u = True
 str_display_not_prefix_b = True
+str_display_escape_special_char = True
 
 element_display_last_with_comma = True
+
+# >> long string control
+long_str_wrap_method = C._LS_WRAP_BY_TERMINAL

beeprint/terminal_size.py

@@ -0,0 +1,96 @@
+# -*- coding:utf-8 -*-
+"""
+copied from https://gist.github.com/jtriley/1108174
+"""
+from __future__ import print_function
+from __future__ import absolute_import
+from __future__ import unicode_literals
+from __future__ import division
+import os
+import shlex
+import struct
+import platform
+import subprocess
+
+
+def get_terminal_size():
+    """ getTerminalSize()
+     - get width and height of console
+     - works on linux,os x,windows,cygwin(windows)
+     originally retrieved from:
+     http://stackoverflow.com/questions/566746/how-to-get-console-window-width-in-python
+    """
+    current_os = platform.system()
+    tuple_xy = None
+    if current_os == 'Windows':
+        tuple_xy = _get_terminal_size_windows()
+        if tuple_xy is None:
+            tuple_xy = _get_terminal_size_tput()
+            # needed for window's python in cygwin's xterm!
+    if current_os in ['Linux', 'Darwin'] or current_os.startswith('CYGWIN'):
+        tuple_xy = _get_terminal_size_linux()
+    if tuple_xy is None:
+        print("default")
+        tuple_xy = (80, 25)      # default value
+    return tuple_xy
+
+
+def _get_terminal_size_windows():
+    try:
+        from ctypes import windll, create_string_buffer
+        # stdin handle is -10
+        # stdout handle is -11
+        # stderr handle is -12
+        h = windll.kernel32.GetStdHandle(-12)
+        csbi = create_string_buffer(22)
+        res = windll.kernel32.GetConsoleScreenBufferInfo(h, csbi)
+        if res:
+            (bufx, bufy, curx, cury, wattr,
+             left, top, right, bottom,
+             maxx, maxy) = struct.unpack("hhhhHhhhhhh", csbi.raw)
+            sizex = right - left + 1
+            sizey = bottom - top + 1
+            return sizex, sizey
+    except:
+        pass
+
+
+def _get_terminal_size_tput():
+    # get terminal width
+    # src: http://stackoverflow.com/questions/263890/how-do-i-find-the-width-height-of-a-terminal-window
+    try:
+        cols = int(subprocess.check_call(shlex.split('tput cols')))
+        rows = int(subprocess.check_call(shlex.split('tput lines')))
+        return (cols, rows)
+    except:
+        pass
+
+
+def _get_terminal_size_linux():
+    def ioctl_GWINSZ(fd):
+        try:
+            import fcntl
+            import termios
+            cr = struct.unpack('hh',
+                               fcntl.ioctl(fd, termios.TIOCGWINSZ, '1234'))
+            return cr
+        except:
+            pass
+    cr = ioctl_GWINSZ(0) or ioctl_GWINSZ(1) or ioctl_GWINSZ(2)
+    if not cr:
+        try:
+            fd = os.open(os.ctermid(), os.O_RDONLY)
+            cr = ioctl_GWINSZ(fd)
+            os.close(fd)
+        except:
+            pass
+    if not cr:
+        try:
+            cr = (os.environ['LINES'], os.environ['COLUMNS'])
+        except:
+            return None
+    return int(cr[1]), int(cr[0])
+
+if __name__ == "__main__":
+    sizex, sizey = get_terminal_size()
+    print('width =', sizex, 'height =', sizey)

beeprint/utils.py

@@ -7,6 +7,8 @@
 import sys
 import types
 
+from . import constants as C
+
 
 if sys.version_info < (3, 0):
     pyv = 2
@@ -32,3 +34,8 @@ def is_pan_function(name, val):
     function and unbound method and bound method in python 2
     """
     return inspect.isfunction(val) or inspect.ismethod(val)
+
+def long_string_wrapper(ls, how):
+    if how == C._LS_WRAP_BY_80_COLUMN:
+        pass
+    pass

tests/definition.py

@@ -41,3 +41,29 @@ def mth():pass
         u'key2': {},
     },
 ]
+
+long_text_en = """
+The sky and the earth were at first one blurred1 entity2 like an egg. Pangu was born into it.
+ 
+The separation of the sky and the earth took eighteen thousand years-the yang which was light and pure rose to become the sky, and the yin which was heavy and murky3（朦胧的） sank to form the earth. Between them was Pangu, who went through nine changes every day, his wisdom greater than that of the sky and his ability greater than that of the earth. Every day the sky rose ten feet higher, the earth became ten feet thicker, and Pangu grew ten feet taller.
+ 
+Another eighteen thousand years passed, and there was an extremely high sky, an extremely thick earth, and an extremely tall Pangu. After Pangu died, his head turned into the Five Sacred Mountains (Mount4 Tai, Mount Heng, Mount Hua, Mount Heng, Mount Song), his eyes turned into the moon and the sun, his blood changed into water in river and sea, his hair into grass.
+ 
+In all, the universe and Pangu combine in one.
+"""
+
+long_text_cn = """
+据民间神话传说古时盘古生在黑暗团中，他不能忍受黑暗，用神斧劈向四方，逐渐使天空高远，大地辽阔。他为不使天地会重新合并，继续施展法术。每当盘古的身体长高一尺，天空就随之增高一尺，经过1.8万多年的努力，盘古变成一位顶天立地的巨人，而天空也升得高不可及，大地也变得厚实无比。盘古生前完成开天辟地的伟大业绩，死后永远留给后人无穷无尽的宝藏，成为中华民族崇拜的英雄。
+"""
+
+long_text_in_list = [
+    [
+        long_text_en,
+        long_text_cn,
+    ],
+]
+
+long_text_in_dict = [
+    {"english version": long_text_en},
+    {"simplify chinese versino": long_text_cn},
+]

tests/t.py

@@ -32,9 +32,11 @@
 try:
     from .definition import values
     from .definition import inst_of_normal_class_old_style, inst_of_normal_class_new_style, NormalClassOldStyle, NormalClassNewStyle, EmptyFunc
+    from . import definition as df
 except:
     from definition import values
     from definition import inst_of_normal_class_old_style, inst_of_normal_class_new_style, NormalClassOldStyle, NormalClassNewStyle, EmptyFunc
+    import definition as df
 
 
 # >> utilities
@@ -82,6 +84,7 @@ def builtin_test():
         # print('%40s: %s' % (v, inspect.ismethod(v))) py3 FFTT
         print('%40s: %s, %s' % (v, v.__qualname__, inspect.getargspec(v).args))
 
+
 args = {
     "class_test": class_test,
     "inst_test": inst_test,
@@ -94,7 +97,8 @@ def main():
         # S.str_display_not_prefix_u = False
         # S.str_display_not_prefix_b = False
 
-        pp(values)
+        pp(df.long_text_in_dict)
+        pp(df.long_text_in_list)
         # pp([inst_of_normal_class_old_style.mth, inst_of_normal_class_new_style.mth])
         return
 

tests/test_default_beeprint.py

@@ -13,9 +13,9 @@
 from beeprint import settings as S
 
 try:
-    from .definition import values
+    from .definition import values, long_text_en
 except:
-    from definition import values
+    from definition import values, long_text_en
 
 
 class TestSimpleTypes(unittest.TestCase):
@@ -82,6 +82,11 @@ def test_complicate_data(self):
         self.assertEqual(res == ans or res == ans2, True)
         # self.assertEqual(res, ans)
 
+    def test_long_text(self):
+        pass
+        # res = beeprint(long_text_en, output=False)
+        # self.assertEqual(res, ans)
+
 
 if __name__ == '__main__':
     unittest.main()