# Source code for sympy.galgebra.debug

# sympy/galgebra/debug.py

from __future__ import print_function

from itertools import chain, islice

[docs]def ostr(obj, dict_mode=False):
"""
Recursively convert iterated object (list/tuple/dict/set) to string.
"""
def ostr_rec(obj, dict_mode):
global ostr_s
if isinstance(obj, tuple):
if len(obj) == 0:
ostr_s += '(),'
else:
ostr_s += '('
for obj_i in obj:
ostr_rec(obj_i, dict_mode)
ostr_s = ostr_s[:-1] + '),'
elif isinstance(obj, list):
if len(obj) == 0:
ostr_s += '[],'
else:
ostr_s += '['
for obj_i in obj:
ostr_rec(obj_i, dict_mode)
ostr_s = ostr_s[:-1] + '],'
elif isinstance(obj, dict):
if dict_mode:
ostr_s += '\n'
for key in obj.keys():
ostr_rec(key, dict_mode)
if ostr_s[-1] == ',':
ostr_s = ostr_s[:-1]
ostr_s += ' -> '
ostr_rec(obj[key], dict_mode)
if ostr_s[-1] == ',':
ostr_s = ostr_s[:-1]
ostr_s += '\n'
else:
ostr_s += '{'
for key in obj.keys():
ostr_rec(key, dict_mode)
if ostr_s[-1] == ',':
ostr_s = ostr_s[:-1]
ostr_s += ':'
ostr_rec(obj[key], dict_mode)
ostr_s = ostr_s[:-1] + '} '
elif isinstance(obj, set):
tmp_obj = list(obj)
ostr_s += '{'
for obj_i in tmp_obj:
ostr_rec(obj_i, dict_mode)
ostr_s = ostr_s[:-1] + '},'
else:
ostr_s += str(obj) + ','
return
global ostr_s
ostr_s = ''
if isinstance(obj, (tuple, list, dict, set)):
ostr_rec(obj, dict_mode)
return ostr_s[:-1]
else:
return str(obj)

[docs]def oprint(*args, **kwargs):
"""
Debug printing for iterated (list/tuple/dict/set) objects. args is
of form (title1,object1,title2,object2,...) and prints:

title1 = object1
title2 = object2
...

If you only wish to print a title set object = None.
"""

if 'dict_mode' in kwargs:
dict_mode = kwargs['dict_mode']
else:
dict_mode = False

if isinstance(args[0], str) or args[0] is None:
titles = list(islice(args, None, None, 2))
objs = tuple(islice(args, 1, None, 2))
if len(args) > 2:
if objs[0] is None:
n = 0
else:
n = len(titles[0])
for (title, obj) in zip(titles[1:], objs[1:]):
if obj is not None:
if not (dict_mode and isinstance(obj, dict)):
n = max(n, len(title))
else:
n = len(titles[0])

for (title, obj) in zip(titles, objs):
if obj is None:
print(title)
else:
npad = n - len(title)
if isinstance(obj, dict):
print(title + ':' + ostr(obj, dict_mode))
else:
print(title + npad * ' ' + ' = ' + ostr(obj, dict_mode))
else:
for arg in args:
print(ostr(arg, dict_mode))
return

[docs]def print_sub_table(title, keys, sdict, blade_rep=True):
"""
Print substitution dictionary, sdict, according to order of keys in
keys
"""
if title is not None:
print(title)
for key in keys:
print(str(key) + ' = ' + ostr(sdict[key]))
return

[docs]def print_product_table(title, keys, pdict, op='*', blade_rep=True):
"""
Print product dictionary, pdict, according to order of keys in keys
"""
if title is not None:
print(title)
pop = ')' + op + '('
for key1 in keys:
for key2 in keys:
print('(' + str(key1) + pop + str(key2) + ') = ' + ostr(pdict[(key1, key2)]))
return