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# -*- coding: utf-8 -*-
from __future__ import division
import os
import sys
import logging
import numpy as np
import gsw
from gsw.gibbs import *
from gsw.utilities import Bunch
log = logging.getLogger()
logging.basicConfig()
try:
mfiledir = sys.argv[1]
except IndexError:
mfiledir = "../../../../TEOS-10/matlab_gsw_V3_03"
mfile = os.path.join(mfiledir, "gsw_check_functions.m")
mfilelines = open(mfile, 'rt').readlines()
def find(x):
"""
Numpy equivalent to Matlab find.
"""
return np.nonzero(x.flatten())[0]
first_pass = []
concat = False
for line in mfilelines:
line = line.strip()
if concat:
if line.endswith('...'):
line = line[:-3]
first_pass[-1] += line
if line.endswith(';'):
concat = False
continue
if '=' in line and (line.startswith('gsw_') or line.startswith('[gsw_')):
if line.endswith('...'):
line = line[:-3]
concat = True
first_pass.append(line)
second_pass = []
for line in first_pass:
if not '(' in line:
continue
if 'which' in line:
continue
line = line.replace('gsw_', '')
if line.startswith('['):
line = line[1:].replace(']', '')
if line.endswith(';'):
line = line[:-1]
line = line.replace('(I)', '') # For deltaSA_atlas.
second_pass.append(line)
pairs = []
for i in range(len(second_pass)):
if 'find(' in second_pass[i] and not 'find(' in second_pass[i-1]:
pairs.extend(second_pass[i-1:i+1])
def group_or(line):
"""
Numpy wart: using bitwise or as a fake elementwise logical or,
we need to add parentheses.
"""
if not ('find(' in line and '|' in line):
return line
i0 = line.index('find(') + 5
head = line[:i0]
tail = line[i0:]
parts = tail.replace('|', ') | (')
new = head + '(' + parts + ')'
return new
final = [group_or(line) for line in pairs]
class FunctionCheck(object):
def __init__(self, linepair):
self.linepair = linepair
self.runline = linepair[0]
self.testline = linepair[1]
# parse the line that runs the function
head, tail = self.runline.split('=')
self.outstrings = [s.strip() for s in head.split(',')]
self.outstr = ','.join(self.outstrings)
funcstr, argpart = tail.split('(', 1)
self.name = funcstr.strip()
self.argstrings = [s.strip() for s in argpart[:-1].split(',')]
self.argstr = ','.join(self.argstrings)
# parse the line that checks the results
head, tail = self.testline.split('=', 1)
self.resultstr = head.strip() # cv.I*
head, tail = tail.split('(', 1)
self.teststr = tail.strip()[:-1] # argument of "find()"
# To be set when run() is successful
self.outlist = None
self.result = None # will be a reference to the cv.I* array
self.passed = None # will be set to True or False
# To be set if run() is not successful
self.exception = None
def __str__(self):
return self.runline
def run(self):
try:
exec(self.runline)
# In Matlab, the number of output arguments varies
# depending on the LHS of the assignment, but Python
# always returns the full set. Here we handle the
# case where Python is returning 2 (or more) but
# the LHS is assigning only the first.
if len(self.outstrings) == 1:
if isinstance(eval(self.outstr), tuple):
exec("%s = %s[0]" % (self.outstr, self.outstr))
self.outlist = [eval(s) for s in self.outstrings]
exec(self.testline)
self.result = eval(self.resultstr)
self.passed = len(self.result) == 0
except Exception as e:
self.exception = e
checks = []
for i in range(0, len(final), 2):
pair = final[i:i+2]
checks.append(FunctionCheck(pair))
datadir = os.path.join(os.path.dirname(gsw.utilities.__file__), 'data')
cv = Bunch(np.load(os.path.join(datadir, 'gsw_cv_v3_0.npz')))
cf = Bunch()
for fc in checks:
fc.run()
passes = [f.name for f in checks if f.passed]
failures = [f.name for f in checks if f.passed is False]
run_problems = [f.name for f in checks if f.exception is not None]
etypes = [NameError, UnboundLocalError, TypeError, AttributeError]
ex_dict = dict()
for exc in etypes:
elist = [(f.name, f.exception) for f in checks if
isinstance(f.exception, exc)]
ex_dict[exc] = elist
print("\n%s tests were translated from gsw_check_functions.m" % len(checks))
print("\n%s tests ran with no error and with correct output" % len(passes))
print("\n%s tests had an output mismatch:" % len(failures))
print(" ", "\n ".join(failures))
print("\n%s exceptions were raised as follows:" % len(run_problems))
for exc in etypes:
print(" ", exc.__name__)
strings = [" %s : %s" % e for e in ex_dict[exc]]
print("\n".join(strings))
print("")
checkbunch = Bunch([(c.name, c) for c in checks])
def find_arguments():
argset = set()
for c in checks:
argset.update(c.argstrings)
argsetlist = list(argset)
argsetlist.sort()
return argsetlist
def find_arglists():
alset = set()
for c in checks:
alset.update([c.argstr])
arglists = list(alset)
arglists.sort()
return arglists
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