# Path: sdopt/nodes/attributes.py
# class NodeAttr:
#     bounds    =  1
#     con_num   =  2
#     d_term    =  3
#     display   =  4
#     input_ord =  5
#     n_term    =  6
#     name      =  7
#     node_id   =  8
#     number    =  9
#     operation = 10
#     type      = 11
#     var_num   = 12
# 
# Path: sdopt/representation/dag_util.py
# def get_pretty_type_str(dag, n):
#     return dag.node[n][NodeAttr.type] + '_node'
# 
# Path: sdopt/util/stringIO.py

# 
# Path: sdopt/util/redirect_stdout.py
# @contextmanager
# def redirect_stdout(ostream):
#     oldstdout = sys.stdout
#     sys.stdout = ostream
#     try:
#         yield ostream
#     finally:
#         sys.stdout = oldstdout


import math
from operator import itemgetter
from string import Template
from contextlib import closing
from six.moves import zip as izip
from ..nodes.attributes import NodeAttr
from ..representation.dag_util import get_pretty_type_str
from ..util.stringIO import stringIO
from ..util.redirect_stdout import redirect_stdout
        print('# ', end='')
        assignment_with_comment(n, d, body, con_dag, def_var_names)
        #
        print_node(n, d, con_dag, base_vars, seen)
    # Collect row of the Jacobian
    basevars = sorted(((n,base_vars[n]) for n in eval_order if n in base_vars),
                      key=itemgetter(1)) # sort by var_num
    for n, var_num in basevars:
        print('jac.append(%d, %d, u%d)' % (con_num, var_num, n))
    print()

def itr_nodes_to_pprint(con_dag, eval_order, base_vars):
    # Print if NOT a base variable, a number or the last node (residual)
    return ((n, con_dag.node[n]) for n in eval_order[:-1] \
              if n not in base_vars and NodeAttr.number not in con_dag.node[n])

def itr_reverse(con_dag, eval_order, base_vars):
    return ((n, con_dag.node[n]) for n in eval_order[::-1] \
              if n not in base_vars and NodeAttr.number not in con_dag.node[n])    

# Dispatch mechanism here
def get_body(n, d, con_dag, base_vars):
    fmt = get_pretty_type_str(con_dag, n) + '_str'
    formatter = globals()[fmt]
    return formatter(n, d, con_dag, base_vars)

def assignment_with_comment(n, d, body, con_dag, def_var_names):
    if NodeAttr.var_num in d:
        print('t%d =' % n, body, ' # %s' % def_var_names[d[NodeAttr.var_num]])
    else:

# Path: sdopt/nodes/attributes.py
# class NodeAttr:
#     bounds    =  1
#     con_num   =  2
#     d_term    =  3
#     display   =  4
#     input_ord =  5
#     n_term    =  6
#     name      =  7
#     node_id   =  8
#     number    =  9
#     operation = 10
#     type      = 11
#     var_num   = 12
# 
# Path: sdopt/representation/dag_util.py
# def get_pretty_type_str(dag, n):
#     return dag.node[n][NodeAttr.type] + '_node'
# 
# Path: sdopt/util/stringIO.py

# 
# Path: sdopt/util/redirect_stdout.py
# @contextmanager
# def redirect_stdout(ostream):
#     oldstdout = sys.stdout
#     sys.stdout = ostream
#     try:
#         yield ostream
#     finally:
#         sys.stdout = oldstdout


# Path: sdopt/nodes/reverse_ad.py
import math
from operator import itemgetter
from string import Template
from contextlib import closing
from six.moves import zip as izip
from ..nodes.attributes import NodeAttr
from ..representation.dag_util import get_pretty_type_str
from ..util.stringIO import stringIO
from ..util.redirect_stdout import redirect_stdout

        print('# ', end='')
        assignment_with_comment(n, d, body, con_dag, def_var_names)
        #
        print_node(n, d, con_dag, base_vars, seen)
    # Collect row of the Jacobian
    basevars = sorted(((n,base_vars[n]) for n in eval_order if n in base_vars),
                      key=itemgetter(1)) # sort by var_num
    for n, var_num in basevars:
        print('jac.append(%d, %d, u%d)' % (con_num, var_num, n))
    print()

def itr_nodes_to_pprint(con_dag, eval_order, base_vars):
    # Print if NOT a base variable, a number or the last node (residual)
    return ((n, con_dag.node[n]) for n in eval_order[:-1] \
              if n not in base_vars and NodeAttr.number not in con_dag.node[n])

def itr_reverse(con_dag, eval_order, base_vars):
    return ((n, con_dag.node[n]) for n in eval_order[::-1] \
              if n not in base_vars and NodeAttr.number not in con_dag.node[n])    

# Dispatch mechanism here
def get_body(n, d, con_dag, base_vars):
    fmt = get_pretty_type_str(con_dag, n) + '_str'
    formatter = globals()[fmt]
    return formatter(n, d, con_dag, base_vars)

def assignment_with_comment(n, d, body, con_dag, def_var_names):
    if NodeAttr.var_num in d:
        print('t%d =' % n, body, ' # %s' % def_var_names[d[NodeAttr.var_num]])
    else:

        print('t%d =' % n, body,' #', get_pretty_type_str(con_dag,n))