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soft-analytics-02/dataset/extract.py
Claudio Maggioni a4ceee8716 Final version of the project
History has been rewritten to delete large files in repo
2024-01-03 15:28:43 +01:00

90 lines
2.9 KiB
Python

import ast
import os.path
import typing
import zipfile
from typing import Optional
import pandas as pd
from tqdm import tqdm
from fastparquet import write
import multiprocessing
PWD = os.path.dirname(__file__)
IN_DIR = os.path.join(PWD, "download")
OUT_DIR = os.path.join(PWD, "functions")
def read_functions(content, filename: str, zip_name: str) -> Optional[pd.DataFrame]:
records = []
try:
tree = ast.parse(content.decode('utf-8'), filename=filename)
for node in ast.walk(tree):
if isinstance(node, ast.FunctionDef):
f_source: str = ast.unparse(typing.cast(any, node))
records.append({
"zip_filename": zip_name,
"py_filename": filename,
"source": f_source,
"success": True,
"error": None,
})
except Exception as e:
print(f"project '{zip_name}': error parsing '{filename}': {e}")
records.append({
"zip_filename": zip_name,
"py_filename": filename,
"source": "",
"success": False,
"error": str(e)
})
return pd.DataFrame.from_records(records)
def read_zip_file(zip_file: str):
out_path = os.path.join(OUT_DIR, os.path.basename(zip_file) + ".pq")
df = pd.DataFrame(columns=["zip_filename", "py_filename", "source"])
try:
with zipfile.ZipFile(zip_file, 'r') as zip_ref:
info_list = [info for info in zip_ref.infolist() if info.filename.endswith('.py')]
for info in tqdm(info_list, desc=os.path.basename(zip_file), ncols=0, position=None, leave=True):
content = zip_ref.read(info.filename)
df_file = read_functions(content, info.filename, zip_file)
if df_file is not None:
df = pd.concat([df, df_file], ignore_index=True)
write(out_path, df, compression='GZIP')
return zip_file
except Exception as e:
print(e)
def read_clones(zip_dir: str):
zip_files = []
for a_file in tqdm(os.listdir(zip_dir), desc="Scan dir"):
path = os.path.join(zip_dir, a_file)
out_path = os.path.join(OUT_DIR, os.path.basename(path) + ".pq")
if zipfile.is_zipfile(path) and not os.path.isfile(out_path):
zip_files.append(path)
num_processes = 192
with multiprocessing.Manager():
with multiprocessing.Pool(processes=num_processes) as pool:
for _ in tqdm(pool.imap_unordered(read_zip_file, zip_files), desc="Read ZIPs",
unit="item", total=len(zip_files), position=None, leave=True):
pass # dummy iteration to consume multiprocessing iterator, needed to launch processes
def main():
if not os.path.isdir(OUT_DIR):
os.makedirs(OUT_DIR)
read_clones(IN_DIR)
if __name__ == "__main__":
main()