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import os
import json
import gzip
import numpy as np
import itertools
from typing import *
from tqdm.auto import tqdm
from collections import defaultdict
from concurrent.futures import ThreadPoolExecutor, as_completed
from .data import stream_jsonl
from .execution import check_correctness
IMPORT_HELPER = {
"python": [
"import math",
"import re",
"import sys",
"import copy",
"import datetime",
"import itertools",
"import collections",
"import heapq",
"import functools",
"import hashlib",
"import numpy",
"import numpy as np",
"import string",
"from typing import *",
"from collections import *",
],
"go" : [
"math",
"strings",
"fmt",
"strconv",
"time",
"bytes",
"regexp",
"sort",
"math/rand",
"crypto/md5",
],
"cpp" : [
"#include<stdlib.h>",
"#include<algorithm>",
"#include<math.h>",
"#include<stdio.h>",
"#include<vector>",
"#include<string>",
"#include<climits>",
"#include<cstring>",
"#include<iostream>",
"#include<cassert>"
],
"cs": ["using System.Numerics;", "using System.Diagnostics;", "using System.Collections.Generic;", "using System.Linq;", "using System.Text;", "using System.Security.Cryptography;", "using System.Collections.Generic;"]
}
LANGUAGE_NAME = {
"cpp" : "CPP",
"go" : "Go",
"java" : "Java",
"js" : "JavaScript",
"python": "Python",
}
def read_dataset(
data_file: str = None,
dataset_type: str = "humaneval",
num_shot=None,
) -> Dict:
"""
Reads a dataset and returns a dictionary of tasks.
"""
if num_shot is not None:
print(f"{num_shot}-shot setting...")
if "humaneval" in dataset_type.lower():
if data_file is None:
current_path = os.path.dirname(os.path.abspath(__file__))
data_file = os.path.join(current_path, "..", "humaneval-x", "python", "data", "humaneval_python.jsonl.gz")
dataset = {task["task_id"]: task for task in stream_jsonl(data_file)}
else:
raise f"Dataset: {dataset_type} not supported."
return dataset
def estimate_pass_at_k(
num_samples: Union[int, List[int], np.ndarray],
num_correct: Union[List[int], np.ndarray],
k: int
) -> np.ndarray:
"""
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 process_humaneval_test(sample, problems, example_test=False, is_mbpp=False, language="python"):
"""
Processes a sample for evaluation.
"""
task_id = sample["task_id"]
if is_mbpp:
return sample["generation"] + "\n" + "\n".join(problems[task_id]["test"])
#prompt = sample["prompt"]
if example_test and "example_test" in problems[task_id] and problems[task_id]["example_test"] != "":
test = problems[task_id]["example_test"]
else:
test = problems[task_id]["test"]
test = "\n".join(test)
code = sample["generation"]
# Pre-process for different languages
if language == "python":
test_setup = "\n".join(IMPORT_HELPER["python"]) + "\n"
test_string = test_setup + code + "\n" + test + "\n"
elif language == "cpp":
test_set_up = ""
for s in IMPORT_HELPER["cpp"]:
if s not in prompt:
test_set_up += s + "\n"
test_string = test_set_up + "\n" + code + "\n" + test
elif language == "java":
test_string = code + "\n" + test
elif language == "cs":
test_set_up = ""
for s in IMPORT_HELPER["cs"]:
test_set_up += s + "\n"
test_string = test_set_up + "\n" + code + "\n" + test
elif language in ["js", "javascript", "ts", "sh", "go"]:
test_string = code + "\n" + test
elif language == "go232":
import_string = problems[task_id]["import"]
prompt = prompt.replace(import_string, "")
if example_test and "example_test" in problems[task_id]:
test = problems[task_id]["example_test"]
else:
test = problems[task_id]["test"]
test_setup = problems[task_id]["test_setup"]
other_pkgs = []
for pkg in IMPORT_HELPER["go"]:
if pkg not in test_setup:
p = pkg.split("/")[-1]
if p + "." in code:
other_pkgs.append(f"\"{pkg}\"")
if other_pkgs:
import_other_pkgs = "import (\n" + " ".join([p + "\n" for p in other_pkgs]) + ")"
test_string = test_setup + "\n" + import_other_pkgs + "\n" + prompt + code + "\n" + test
else:
test_string = test_setup + "\n" + prompt + code + "\n" + test
elif language == "rust":
main = "\nfn main(){ \n } \n"
declaration = problems[task_id]["declaration"]
test_string = main + declaration + prompt + code + test
elif language == "php":
if code[:5] != "<?php":
code = "<?php\n" + code
test_string = code + "\n" + test + "?>"
return test_string
def stream_jsonl_all(filename: str) -> Iterable[Dict]:
"""
Streams a JSONL file.
"""
results = []
if filename.endswith(".gz"):
fp = gzip.open(open(filename, "rb"), "rt")
else:
fp = open(filename, "r")
for line in fp:
if any(not x.isspace() for x in line):
results.append(json.loads(line))
fp.close()
return results
def evaluate_functional_correctness(
input_file: str = None,
tmp_dir: str = "./",
n_workers: int = 32,
timeout: float = 10.0,
problem_file: str = "../data/humaneval_python.jsonl.gz",
out_dir: str = None,
k: List[int] = [1, 10, 100],
test_groundtruth: bool = False,
example_test: bool = False,
is_mbpp: bool = False,
language: str = "python",
):
"""
Evaluates the functional correctness of a model.
"""
if example_test:
print("Example test...")
problems = read_dataset(problem_file,
dataset_type="humaneval")
sample_jsonl = stream_jsonl_all(input_file)
with ThreadPoolExecutor(max_workers=n_workers) as executor:
futures = []
completion_id = Counter()
n_samples = 0
results = defaultdict(list)
if test_groundtruth:
print("Testing ground truth...")
for sample in tqdm(problems.values()):
task_id = sample["task_id"]
lang = task_id.split("/")[0].lower()
if lang == "javascript":
lang = "js"
tmp_dir_ = os.path.join(tmp_dir, lang, "evaluation")
sample["generation"] = sample["canonical_solution"]
sample["test_code"] = process_humaneval_test(sample, problems, example_test, language)
if sample["test_code"] is None:
continue
args = (task_id, sample, lang, timeout, tmp_dir_, completion_id[task_id])
future = executor.submit(check_correctness, *args)
futures.append(future)
completion_id[task_id] += 1
n_samples += 1
else:
print("Reading samples...")
for sample in tqdm(sample_jsonl):
task_id = sample["task_id"]
if not is_mbpp:
lang = language
if not is_mbpp and lang == "javascript":
lang = "js"
if is_mbpp:
lang = "python"
tmp_dir_ = os.path.join(tmp_dir, lang, "evaluation")
sample["task_id"] = task_id
sample["test_code"] = process_humaneval_test(sample, problems, example_test, is_mbpp, language)
if sample["test_code"] is None:
continue
if "completion_id" in sample:
completion_id_ = sample["completion_id"]
else:
completion_id_ = completion_id[task_id]
args = (task_id, sample, lang, timeout, tmp_dir_, completion_id_)
future = executor.submit(check_correctness, *args)
futures.append(future)
completion_id[task_id] += 1
n_samples += 1
if len(completion_id) == len(problems):
evaluate_pass_at_k = True
else:
evaluate_pass_at_k = False
print("Running test suites...")
for future in tqdm(as_completed(futures), total=len(futures)):
result = future.result()
results[result["task_id"]].append((result["completion_id"], result))
# Calculate pass@k.
total, correct = [], []
for result in results.values():
passed = [r[1]["passed"] for r in result]
total.append(len(passed))
correct.append(sum(passed))
total = np.array(total)
correct = np.array(correct)
if evaluate_pass_at_k:
ks = k
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)
else:
print("Total:", np.sum(total))
print("Correct:", np.sum(correct))
return pass_at_k
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