add files

testing_util.py

@@ -0,0 +1,434 @@
+import json
+import sys
+import faulthandler
+
+# used for debugging to time steps
+from datetime import datetime
+
+# to run the solution files we're using a timing based approach
+import signal
+
+import numpy as np
+# for capturing the stdout
+from io import StringIO
+# used for testing the code that reads from input
+from unittest.mock import patch, mock_open
+
+from pyext import RuntimeModule
+
+from enum import Enum
+class CODE_TYPE(Enum):
+    call_based = 0
+    standard_input = 1
+
+# stuff for setting up signal timer
+class TimeoutException(Exception):
+    pass
+def timeout_handler(signum, frame):
+    print("alarm went off")
+    #return
+    raise TimeoutException
+signal.signal(signal.SIGALRM, timeout_handler)
+timeout = 4  # seconds
+
+# used to capture stdout as a list
+# from https://stackoverflow.com/a/16571630/6416660
+# alternative use redirect_stdout() from contextlib
+class Capturing(list):
+    def __enter__(self):
+        self._stdout = sys.stdout
+        sys.stdout = self._stringio = StringIO()
+        # Make closing the StringIO a no-op
+        self._stringio.close = lambda x: 1
+        return self
+    def __exit__(self, *args):
+        self.extend(self._stringio.getvalue().splitlines())
+        del self._stringio    # free up some memory
+        sys.stdout = self._stdout
+
+
+def run_test(sample, test=None, debug=False):
+    """
+    if test(generated_code) is not None it'll try to run the code.
+    otherwise it'll just return an input and output pair.
+    """
+    if debug:
+        print(f"start = {datetime.now().time()}")
+
+    try:
+        in_outs = json.loads(sample["input_output"])
+    except ValueError:
+        in_outs = None
+    if in_outs:
+        #if debug:
+        #    print(f"test cases json = {in_outs['inputs']} {in_outs['outputs']}")
+        if in_outs.get("fn_name") is None:
+            which_type = CODE_TYPE.standard_input  # Standard input
+            method_name = None
+        else:
+            which_type = CODE_TYPE.call_based  # Call-based
+            method_name = in_outs["fn_name"]
+
+    if debug:
+        print(f"loaded input_output = {datetime.now().time()}")
+ 
+    #else:
+    #    continue
+    if test is None:
+        return in_outs
+    elif test is not None:
+        results = []
+        sol = "import sys\nimport time\nimport itertools\nfrom itertools import accumulate, product, permutations, combinations\nimport collections\nfrom collections import Counter, OrderedDict, deque, defaultdict, ChainMap\nfrom functools import lru_cache\nimport math\nfrom math import sqrt, sin, cos, tan, ceil, fabs, floor, gcd, exp, log, log2\nimport fractions\nfrom typing import List, Tuple\nimport numpy as np\nimport random\nimport heapq\nfrom heapq import *\n"
+        if debug:
+            print(f"loading test code = {datetime.now().time()}")
+ 
+        if which_type == CODE_TYPE.call_based:
+            sol += test
+            if debug:
+                print(f"sol = {sol}")
+            signal.alarm(timeout)
+            try:
+                tmp_sol = RuntimeModule.from_string("tmp_sol", "", sol)
+                if "class Solution" not in test:
+                    tmp = tmp_sol
+                else:
+                    tmp = tmp_sol.Solution()
+                signal.alarm(0)
+            except Exception as e:
+                signal.alarm(0)
+                print(f"type 0 compilation error = {e}")
+                results.append(-2)
+                return results
+            signal.alarm(0)
+
+        elif which_type == CODE_TYPE.standard_input:
+            # sol
+            tmp_test = test.split("\n")
+
+            new_test = []
+            for x in tmp_test:
+                if (not x.startswith("from ")) and (not x.startswith("import ")):
+                    new_test.append("\t" + x + "\n")
+                else:
+                    new_test.append(x + "\n")
+            tmp_test = new_test
+            
+            new_test = ""
+            started = False
+            for i in tmp_test:
+                if i.startswith("\t") and not started:
+                    new_test += "stdin = sys.stdin\nstdout = sys.stdout\n"
+                    new_test += "def code():\n"
+                    new_test += i
+                    started = True
+                elif started and ((i.startswith("from ")) or (i.startswith("import "))): 
+                    new_test += "\t" + i
+                else:
+                    new_test += i
+            tmp_test = new_test
+
+            sol += tmp_test
+            if debug:
+                print(f"sol = {sol}")
+            method_name = "code"
+            signal.alarm(timeout)
+            try:
+                tmp_sol = RuntimeModule.from_string("tmp_sol", "", sol)
+                tmp = tmp_sol
+                signal.alarm(0)
+            except Exception as e:
+                signal.alarm(0)
+                print(f"type 1 compilation error = {e}")
+                results.append(-2)
+                return results
+            signal.alarm(0)
+        if debug:
+            print(f"get method = {datetime.now().time()}")
+ 
+        try:
+            method = getattr(tmp, method_name)  # get_attr second arg must be str
+        except:
+            signal.alarm(0)
+            e = sys.exc_info()
+            print(f"unable to get function error = {e}")
+            return results
+
+        for index, inputs in enumerate(in_outs["inputs"]):
+            # JSON forces dictionaries to have string keys; this undoes this (assuming a singleton list)
+            try:
+                if isinstance(inputs[0], dict):
+                    inputs = [{int(k): v for k,v in inputs[0].items()}]
+            except:
+                True
+            try:
+                if isinstance(in_outs["outputs"][index], dict):
+                    in_outs["outputs"][index] = [{int(k): v for k,v in in_outs["outputs"][index].items()}]
+            except:
+                True
+            try:
+                if isinstance(in_outs["outputs"][index][0], dict):
+                    in_outs["outputs"][index] = [{int(k): v for k,v in in_outs["outputs"][index][0].items()}]
+            except:
+                True
+
+            if debug:
+                print(f"time: {datetime.now().time()} testing index = {index}  inputs = {inputs}, {type(inputs)}. type = {which_type}")
+            if which_type == CODE_TYPE.call_based:  # Call-based
+                signal.alarm(timeout)
+                faulthandler.enable()
+                try:
+                    output = method(*inputs)
+
+                    # ground truth sequences are not tuples
+                    if isinstance(output, tuple):
+                        output = list(output)
+                    
+                    tmp_result = output == in_outs["outputs"][index]
+                    if isinstance(in_outs["outputs"][index], list) and in_outs["outputs"][index]:
+                        tmp_result = tmp_result or (output == in_outs["outputs"][index][0])
+
+                    # ground truth sequences are not tuples
+                    try:
+                        if isinstance(output[0], tuple):
+                            tmp_result = tmp_result or ([list(x) for x in output] == in_outs["outputs"][index][0])
+                    except:
+                        True
+                    results.append(tmp_result)
+
+                    # reset the alarm
+                    signal.alarm(0)
+                except Exception as e:
+                    signal.alarm(0)
+                    faulthandler.disable()
+                    print(f"Standard input runtime error or time limit exceeded error = {e}")
+                    results.append(-1)
+                    continue
+                faulthandler.disable()
+                signal.alarm(0)
+                #if debug:
+                    #print(f"outputs = {output}, test outputs = {in_outs['outputs'][index]}, inputs = {inputs}, {type(inputs)}, {output == [in_outs['outputs'][index]]}")
+            elif which_type == CODE_TYPE.standard_input:  # Standard input
+                faulthandler.enable()
+                signal.alarm(timeout)
+                passed = False
+
+                if isinstance(inputs, list):
+                    inputs = "\n".join(inputs)
+                if isinstance(in_outs['outputs'][index], list):
+                    in_outs['outputs'][index] = "\n".join(in_outs['outputs'][index])
+                with Capturing() as output:
+                    try:
+                        print("doing call")
+                        call_method(method, inputs)
+                        print("call done")
+                        # reset the alarm
+                        signal.alarm(0)
+                        passed = True
+                    except Exception as e:
+                        print("call not done we are in exception")
+                        # runtime error or took too long
+                        signal.alarm(0)
+                        print(f"Call-based runtime error or time limit exceeded error = {repr(e)}{e}")
+                        results.append(-1)
+                    signal.alarm(0)
+
+                if not passed:
+                    if debug:
+                        nl = "\n"
+                        if not isinstance(inputs, list):
+                            print(f"not passed output = {output}, test outputs = {in_outs['outputs'][index]}, inputs = {inputs.replace(nl,' new-line ')}, {type(inputs)}, {output == [in_outs['outputs'][index]]}")
+                        else:
+                            print(f"not passed output = {output}, test outputs = {in_outs['outputs'][index]}, inputs = {inputs}, {type(inputs)}, {output == [in_outs['outputs'][index]]}")
+                    continue
+
+                if passed and debug:
+                    print(f"==> output = {output}, test outputs = {in_outs['outputs'][index]}")
+
+                if custom_compare_(output, in_outs['outputs'][index]):
+                    tmp_result = True
+                    results.append(tmp_result)
+                    continue
+
+                # ground truth sequences are expressed as lists not tuples
+                if isinstance(output, tuple):
+                    output = list(output)
+
+                tmp_result = False
+                try:
+                    tmp_result = (output == [in_outs["outputs"][index]])
+                    if isinstance(in_outs["outputs"][index], list):
+                        tmp_result = tmp_result or (output == in_outs["outputs"][index])
+                        if isinstance(output[0], str):
+                            tmp_result = tmp_result or ([e.strip() for e in output] == in_outs["outputs"][index])
+                except Exception as e:
+                    print(f"Failed check1 exception = {e}")
+                    pass
+
+                if tmp_result == True:  
+                    results.append(tmp_result)
+                    continue
+
+                # try one more time without \n
+                if isinstance(in_outs["outputs"][index], list):
+                    for tmp_index, i in enumerate(in_outs["outputs"][index]):
+                        in_outs["outputs"][index][tmp_index] = i.split("\n")
+                        in_outs["outputs"][index][tmp_index] = [x.strip() for x in in_outs["outputs"][index][tmp_index] if x]
+                else:
+                    in_outs["outputs"][index] = in_outs["outputs"][index].split("\n")
+                    in_outs["outputs"][index] = list(filter(len, in_outs["outputs"][index]))
+                    in_outs["outputs"][index] = list(map(lambda x:x.strip(), in_outs["outputs"][index]))
+
+                try:
+                    tmp_result = (output == [in_outs["outputs"][index]])
+                    if isinstance(in_outs["outputs"][index], list):
+                        tmp_result = tmp_result or (output == in_outs["outputs"][index])
+                except Exception as e:
+                    print(f"Failed check2 exception = {e}")
+                    pass
+
+                if tmp_result == True:
+                    results.append(tmp_result)
+                    continue
+
+                # try by converting the output into a split up list too
+                if isinstance(output, list):
+                    output = list(filter(len, output))
+
+                if debug:
+                    nl = "\n"
+                    if not isinstance(inputs, list):
+                        print(f"output = {output}, test outputs = {in_outs['outputs'][index]}, inputs = {inputs.replace(nl,' new-line ')}, {type(inputs)}, {output == [in_outs['outputs'][index]]}") 
+                    else:
+                        print(f"output = {output}, test outputs = {in_outs['outputs'][index]}, inputs = {inputs}, {type(inputs)}, {output == [in_outs['outputs'][index]]}") 
+                
+                if tmp_result == True:
+                    results.append(tmp_result)
+                    continue
+
+                try:
+                    tmp_result = (output == [in_outs["outputs"][index]])
+                    if isinstance(in_outs["outputs"][index], list):
+                        tmp_result = tmp_result or (output == in_outs["outputs"][index])
+                except Exception as e:
+                    print(f"Failed check3 exception = {e}")
+                    pass
+
+                try:
+                    output_float = [float(e) for e in output]
+                    gt_float = [float(e) for e in in_outs['outputs'][index]]
+                    tmp_result = tmp_result or ((len(output_float) == len(gt_float)) and np.allclose(output_float, gt_float))
+                except Exception as e:
+                    pass
+                try:
+                    if isinstance(output[0], list):
+                        output_float = [float(e) for e in output[0]]
+                        gt_float = [float(e) for e in in_outs['outputs'][index][0]]
+                        tmp_result = tmp_result or ((len(output_float) == len(gt_float)) and np.allclose(output_float, gt_float))
+                except Exception as e:
+                    pass
+
+                if tmp_result == True:
+                    results.append(tmp_result)
+                    continue
+
+                # try by converting the stuff into split up list
+                if isinstance(in_outs["outputs"][index], list):
+                    for tmp_index, i in enumerate(in_outs["outputs"][index]):
+                        in_outs["outputs"][index][tmp_index] = set(i.split())
+                else:
+                    in_outs["outputs"][index] = set(in_outs["outputs"][index].split())
+
+                try:
+                    tmp_result = (output == in_outs["outputs"][index])
+                except Exception as e:
+                    print(f"Failed check4 exception = {e}")
+                    continue
+
+                if tmp_result == True:
+                    results.append(tmp_result)
+                    continue 
+
+                # try by converting the output into a split up list too
+                if isinstance(output, list):
+                    for tmp_index, i in enumerate(output):
+                        output[tmp_index] = i.split()
+                    output = list(filter(len, output))
+                    for tmp_index, i in enumerate(output):
+                        output[tmp_index] = set(i)    
+                else:
+                    output = output.split()
+                    output = list(filter(len, output))
+                    output = set(output)
+
+                try:
+                    tmp_result = (set(frozenset(s) for s in output) == set(frozenset(s) for s in in_outs["outputs"][index]))
+                except Exception as e:
+                    print(f"Failed check5 exception = {e}")
+
+
+                # if they are all numbers, round so that similar numbers are treated as identical
+                try:
+                    tmp_result = tmp_result or (set(frozenset(round(float(t),3) for t in s) for s in output) ==\
+                        set(frozenset(round(float(t),3) for t in s) for s in in_outs["outputs"][index]))
+                except Exception as e:
+                    print(f"Failed check6 exception = {e}")
+                
+                if tmp_result == True and debug:
+                    print("PASSED")
+ 
+                results.append(tmp_result)
+                
+                if debug:
+                    nl = "\n"
+                    if not isinstance(inputs, list):
+                        print(f"output = {output}, test outputs = {in_outs['outputs'][index]}, inputs = {inputs.replace(nl,' new-line ')}, {type(inputs)}, {output == [in_outs['outputs'][index]]}")
+                    else:
+                        print(f"output = {output}, test outputs = {in_outs['outputs'][index]}, inputs = {inputs}, {type(inputs)}, {output == [in_outs['outputs'][index]]}") 
+                    
+
+    return results
+
+def custom_compare_(output, ground_truth):
+    
+    if isinstance(output, list):
+        output_1 = "\n".join(output)
+        if stripped_string_compare(output_1, ground_truth):
+            return True
+
+    if isinstance(output, list):
+        output_2 = [o.lstrip().rstrip() for o in output]
+        output_2 = "\n".join(output_2)
+        if stripped_string_compare(output_2, ground_truth):
+            return True
+
+    return False
+
+def stripped_string_compare(s1, s2):
+    s1 = s1.lstrip().rstrip()
+    s2 = s2.lstrip().rstrip()
+    return s1 == s2
+
+def call_method(method, inputs):
+
+    if isinstance(inputs, list):
+        inputs = "\n".join(inputs)
+
+    inputs_line_iterator = iter(inputs.split("\n"))
+
+    # sys.setrecursionlimit(10000)
+
+    # @patch('builtins.input', side_effect=inputs.split("\n"))
+    @patch('builtins.open', mock_open(read_data=inputs))
+    @patch('sys.stdin', StringIO(inputs))
+    @patch('sys.stdin.readline', lambda *args: next(inputs_line_iterator))
+    @patch('sys.stdin.readlines', lambda *args: inputs.split("\n"))
+    @patch('sys.stdin.read', lambda *args: inputs)
+    # @patch('sys.stdout.write', print)
+    def _inner_call_method(_method):
+        try:
+            return _method()
+        except SystemExit as e:
+            pass
+        finally:
+            pass
+    return _inner_call_method(method) 

utils.py

@@ -0,0 +1,159 @@
+import itertools
+import numpy as np
+from typing import Dict
+from datasets import load_dataset
+import testing_util as test_util
+
+
+DATASET = "codeparrot/apps"
+
+
+def evaluate_generations(generations, level=["all"]):
+    """We take the list of code generations and try to compile them
+     and the run their corresponding unit tests which are retrieved from the APPS dataset.
+
+    Args:
+        generations: list of code generations, in the same order as APPS dataset samples
+        level: list of levels to evaluate, can be "all", "introductory", "interview" or "competition"
+
+    Returns:
+        results: dictionary of results, key is the problem index, value is a list of results for each generation
+        [-2] = compile error, [-1] = runtime error [False] = failed test case [True] = passed test case
+     """
+
+    # generations are code generations in the same order of the dataset
+    apps_eval = load_dataset(DATASET, split="test", difficulties=level)
+    gpt_codes = generations
+    results = {}
+    for index in range(len(generations)):
+        print(f"task {index}")
+        generated_code = gpt_codes[index]
+        sample = apps_eval[index]
+        res = []
+        # loop over the generations
+        for o_idx, o in enumerate(generated_code):
+            curr_res = [-2]
+            try:
+                print("Run test")
+                curr_res = test_util.run_test(sample, test=o, debug=False)
+                print("\nSuccessful compilation!")
+                fixed = []
+                for e in curr_res:
+                    if isinstance(e, np.ndarray):
+                       e = e.item(0)
+                    if isinstance(e, np.bool_):
+                        e = bool(e)
+                    fixed.append(e)
+                curr_res = fixed
+                if not np.all(curr_res):
+                    print(f"Results were not True for all test cases") #{curr_res}")
+            except Exception as e:
+                print(f"Compilation failed, test framework exception = {repr(e)}{e}\n")
+                break
+            finally:
+                assert isinstance(curr_res, list)
+                res.append(curr_res)
+        results[index] = res
+
+    return results
+
+
+def estimate_pass_at_k(num_samples, num_correct, k):
+    """Estimates pass@k of each problem and returns them in an array."""
+
+    def estimator(n: int, c: int, k: int) -> float:
+        """Calculates 1 - comb(n - c, k) / comb(n, k)."""
+        if n - c < k:
+            return 1.0
+        return 1.0 - np.prod(1.0 - k / np.arange(n - c + 1, n + 1))
+
+    if isinstance(num_samples, int):
+        num_samples_it = itertools.repeat(num_samples, len(num_correct))
+    else:
+        assert len(num_samples) == len(num_correct)
+        num_samples_it = iter(num_samples)
+
+    return np.array([estimator(int(n), int(c), k) for n, c in zip(num_samples_it, num_correct)])
+
+
+def get_results(results: Dict, count_errors: bool = False, k_list: list = [1, 10, 100]):
+    """
+    Given the results evaluated against the testcases we output some statistics.
+    For single generations:
+    >>> example_results = {"0": [[-2]],"1": [[False,False]],"2": [[True,True]],"3": [[False,True,False,True]], "4": [[-1,-1]]}
+    >>> get_results(example_results, count_errors=True)
+    number of compile errors = 1 avg = 0.2
+    number of runtime errors = 1 avg = 0.2
+    number of test cases run = 5
+    Test Case Average (average accuracy over problems) = 0.3
+    Strict Accuracy (all test cases passed / total problems) = 0.2
+
+    For multiple generations:
+    >>> example_results = {"0": [[-2], [True, True, True]],"1": [[-1,-1, -1], [True, False, True]]}
+    >>> get_results(example_results k_list=[1, 2])
+    {'pass@1': 0.25, 'pass@2': 0.5}
+    """
+
+    metrics = {"avg_accuracy": None, "strict_accuracy": None, "pass_at_k": None}
+
+    if len(results["0"]) == 1:
+        # for single generations we compute average accuracy and stric accuracy: original APPS metrics
+        print("Computing accuracy metrics...")
+        res = []
+        per_prob_res = []
+        all_correct = []
+        for index in results:
+            results[index] = np.array(results[index])
+            res.extend(results[index])
+            per_prob_res.append(np.mean(results[index]>0))
+            all_correct.append(np.all(results[index]>0))
+        # we count campilation and runtime errors once per pronlem
+        compile_errors = len([e for e in res if -2 in e])
+        runtime_errors = len([e for e in res if -1 in e])
+        total_testcases = len(res)
+        if count_errors:
+            print(f"number of compile errors = {compile_errors} avg = {compile_errors / total_testcases}")
+            print(f"number of runtime errors = {runtime_errors} avg = {runtime_errors / total_testcases}")
+            print(f"number of problems evaluated = {total_testcases}")
+
+        print(f"Test Case Average Accuracy (ver tests) = {np.mean(per_prob_res)}")
+        print(f"Strict Accuracy (over problems that pass all tests) = {np.mean(all_correct)}")
+        metrics["avg_accuracy"] = np.mean(per_prob_res)
+        metrics["strict_accuracy"] = np.mean(all_correct)
+
+    else:
+        # for multiple generations we use pass@k metric used in the HumanEval benchmark
+        # we use strict accuracy, a generation is valid if it has to pass all the tests
+        print("Computing pass@k metric for multiple generations...")
+        # total is list with nb generations per task (task=index)
+        # correct is number of generations that passed all tests per task
+        total = []
+        correct = [] 
+        for index in results:
+            all_correct = []
+            for generation in results[index]:
+                gen = np.array(generation)
+                all_correct.append(np.all(gen>0))
+            total.append(len(all_correct))
+            correct.append(sum(all_correct))
+        total = np.array(total)
+        correct = np.array(correct)
+        ks = k_list
+        pass_at_k = {f"pass@{k}": estimate_pass_at_k(total, correct, k).mean() for k in ks if (total >= k).all()}
+        print(pass_at_k)
+        metrics["pass_at_k"] = pass_at_k
+    return metrics
+
+def compute_metrics(generations, k_list=[1, 10, 100], count_errors=True, level=["all"]):
+    """Return metrics for the given generations.
+    Args:
+        generations: dict of generations, keyed by problem index
+        k_list: list of k values to compute pass@k when using multiple generations
+        count_errors: whether to count compilation and runtime errors when using single generations
+        level: which level difficulty in APPS dataset was used for the given generations
+    Returns:
+        metrics: dict of metrics  
+    """
+    results = evaluate_generations(generations, level=level)
+    metrics = get_results(results, count_errors=count_errors, k_list=k_list)
+    return metrics