Replace usage of os.path and path.py with pathlib

CHANGELOG.md

@@ -15,6 +15,7 @@ as of 2.0.0.
 ### Changed
 
 - Insert as few rsync URLs as possible in DB when a book selection is made (#220)
+- Replace usage of os.path and path.py with pathlib.Path (#195)
 
 ### Fixed
 
@@ -102,7 +103,7 @@ as of 2.0.0.
 ## [1.1.6]
 
 - removed duplicate dependencies
-- Added tag _category:gutenberg which was missing
+- Added tag \_category:gutenberg which was missing
 - docker-only release with updated zimwriterfs (2.1.0-1)
 
 ## [1.1.5]

src/gutenberg2zim/constants.py

@@ -21,4 +21,4 @@
 logger = getLogger(NAME, level=logging.INFO)
 
 TMP_FOLDER = "tmp"
-TMP_FOLDER_PATH = pathlib.Path(TMP_FOLDER)
+TMP_FOLDER_PATH = pathlib.Path(TMP_FOLDER).resolve()

src/gutenberg2zim/database.py

@@ -211,7 +211,7 @@ def load_fixtures(model):
         logger.debug(f"[fixtures] Created {f}")
 
 
-def setup_database(*, wipe=False):
+def setup_database(*, wipe: bool = False) -> None:
     logger.info("Setting up the database")
 
     for model in (License, Author, Book, BookFormat, Url):

src/gutenberg2zim/download.py

@@ -1,17 +1,15 @@
-import os
-import pathlib
 import shutil
 import tempfile
 import zipfile
 from multiprocessing.dummy import Pool
+from pathlib import Path
 from pprint import pprint as pp
 
 import apsw
 import backoff
 from kiwixstorage import KiwixStorage
-from path import Path
 
-from gutenberg2zim.constants import TMP_FOLDER, logger
+from gutenberg2zim.constants import TMP_FOLDER_PATH, logger
 from gutenberg2zim.database import Book, BookFormat
 from gutenberg2zim.export import fname_for, get_list_of_filtered_books
 from gutenberg2zim.s3 import download_from_cache
@@ -36,24 +34,24 @@
 #         return False
 
 
-def handle_zipped_epub(zippath, book, dst_dir: pathlib.Path):
+def handle_zipped_epub(zippath: Path, book: Book, dst_dir: Path) -> bool:
     def clfn(fn):
-        return os.path.join(*os.path.split(fn)[1:])
+        return Path(fn).name
 
     def is_safe(fname):
-        fname = ensure_unicode(clfn(fname))
-        if Path(fname).basename() == fname:
+        name = ensure_unicode(clfn(fname))
+        if Path(fname).name == name:
             return True
-        return fname == os.path.join("images", Path(fname).splitpath()[-1])
+        return fname == f"images/{Path(fname).name}"
 
     zipped_files = []
     # create temp directory to extract to
-    tmpd = tempfile.mkdtemp(dir=TMP_FOLDER)
+    tmpd = tempfile.mkdtemp(dir=TMP_FOLDER_PATH)
     try:
         with zipfile.ZipFile(zippath, "r") as zf:
             # check that there is no insecure data (absolute names)
             if sum([1 for n in zf.namelist() if not is_safe(ensure_unicode(n))]):
-                Path(tmpd).rmtree_p()
+                shutil.rmtree(tmpd, ignore_errors=True)
                 return False
             # zipped_files = [clfn(fn) for fn in zf.namelist()]
             zipped_files = zf.namelist()
@@ -64,7 +62,7 @@ def is_safe(fname):
         # file is not a zip file when it should be.
         # don't process it anymore as we don't know what to do.
         # could this be due to an incorrect/incomplete download?
-        return
+        return False
 
     # is there multiple HTML files in ZIP ? (rare)
     mhtml = (
@@ -73,25 +71,26 @@ def is_safe(fname):
     # move all extracted files to proper locations
     for zipped_file in zipped_files:
         # skip folders
-        if not Path(zipped_file).ext:
+        if not Path(zipped_file).is_file():
             continue
 
-        src = os.path.join(tmpd, zipped_file)
-        if os.path.exists(src):
-            fname = Path(zipped_file).basename()
+        src = Path(tmpd) / zipped_file
+        if src.exists():
+            fname = Path(zipped_file).name
 
             if fname.endswith(".html") or fname.endswith(".htm"):
                 if mhtml:
                     if fname.startswith(f"{book.id}-h."):
-                        dst = dst_dir.joinpath(f"{book.id}.html")
+                        dst = dst_dir / f"{book.id}.html"
                     else:
-                        dst = dst_dir.joinpath(f"{book.id}_{fname}")
+                        dst = dst_dir / f"{book.id}_{fname}"
                 else:
-                    dst = dst_dir.joinpath(f"{book.id}.html")
+                    dst = dst_dir / f"{book.id}.html"
             else:
-                dst = dst_dir.joinpath(f"{book.id}_{fname}")
+                dst = dst_dir / f"{book.id}_{fname}"
+            dst = dst.resolve()
             try:
-                Path(src).move(str(dst))
+                src.rename(dst)
             except Exception as e:
                 import traceback
 
@@ -100,14 +99,14 @@ def is_safe(fname):
                 raise
 
     # delete temp directory and zipfile
-    if Path(zippath).exists():
-        os.unlink(zippath)
-    Path(tmpd).rmtree_p()
+    zippath.unlink(missing_ok=True)
+    shutil.rmtree(tmpd, ignore_errors=True)
+    return True
 
 
 def download_book(
     book: Book,
-    download_cache: str,
+    download_cache: Path,
     formats: list[str],
     *,
     force: bool,
@@ -124,13 +123,15 @@ def download_book(
     if "html" not in formats:
         formats.append("html")
 
-    book_dir = pathlib.Path(download_cache).joinpath(str(book.id))
-    optimized_dir = book_dir.joinpath("optimized")
-    unoptimized_dir = book_dir.joinpath("unoptimized")
+    book_dir = download_cache / str(book.id)
+    optimized_dir = book_dir / "optimized"
+    unoptimized_dir = book_dir / "unoptimized"
+
     unsuccessful_formats = []
     for book_format in formats:
-        unoptimized_fpath = unoptimized_dir.joinpath(fname_for(book, book_format))
-        optimized_fpath = optimized_dir.joinpath(archive_name_for(book, book_format))
+        unoptimized_fpath = unoptimized_dir / fname_for(book, book_format)
+        unoptimized_fpath = unoptimized_dir / fname_for(book, book_format)
+        optimized_fpath = optimized_dir / archive_name_for(book, book_format)
 
         # check if already downloaded
         if (unoptimized_fpath.exists() or optimized_fpath.exists()) and not force:
@@ -141,12 +142,10 @@ def download_book(
             if book_format == "html":
                 for fpath in book_dir.iterdir():
                     if fpath.is_file() and fpath.suffix not in [".pdf", ".epub"]:
-                        fpath.unlink()
+                        fpath.unlink(missing_ok=True)
             else:
-                if unoptimized_fpath.exists():
-                    unoptimized_fpath.unlink()
-                if optimized_fpath.exists():
-                    optimized_fpath.unlink()
+                unoptimized_fpath.unlink(missing_ok=True)
+                optimized_fpath.unlink(missing_ok=True)
             # delete dirs which are empty
             for dir_name in [optimized_dir, unoptimized_dir]:
                 if not dir_name.exists():
@@ -233,7 +232,7 @@ def download_book(
 
             # HTML files are *sometime* available as ZIP files
             if url.endswith(".zip"):
-                zpath = unoptimized_dir.joinpath(f"{fname_for(book, book_format)}.zip")
+                zpath = unoptimized_dir / f"{fname_for(book, book_format)}.zip"
 
                 etag = get_etag_from_url(url)
                 if s3_storage:
@@ -254,7 +253,11 @@ def download_book(
                 book.html_etag = etag  # type: ignore
                 book.save()
                 # extract zipfile
-                handle_zipped_epub(zippath=zpath, book=book, dst_dir=unoptimized_dir)
+                handle_zipped_epub(
+                    zippath=zpath,
+                    book=book,
+                    dst_dir=unoptimized_dir,
+                )
             else:
                 if (
                     url.endswith(".htm")
@@ -329,10 +332,9 @@ def download_cover(book, book_dir, s3_storage, optimizer_version):
         etag = get_etag_from_url(url)
         downloaded_from_cache = False
         cover = f"{book.id}_cover_image.jpg"
-        if (
-            book_dir.joinpath("optimized").joinpath(cover).exists()
-            or book_dir.joinpath("unoptimized").joinpath(cover).exists()
-        ):
+        if (book_dir / "optimized" / cover).exists() or (
+            book_dir / "unoptimized" / cover
+        ).exists():
             logger.debug(f"Cover already exists for book #{book.id}")
             return
         if s3_storage:
@@ -343,25 +345,25 @@ def download_cover(book, book_dir, s3_storage, optimizer_version):
                 book=book,
                 etag=etag,
                 book_format="cover",
-                dest_dir=book_dir.joinpath("optimized"),
+                dest_dir=book_dir / "optimized",
                 s3_storage=s3_storage,
                 optimizer_version=optimizer_version,
             )
         if not downloaded_from_cache:
             logger.debug(f"Downloading {url}")
-            if download_file(url, book_dir.joinpath("unoptimized").joinpath(cover)):
+            if download_file(url, book_dir / "unoptimized" / cover):
                 book.cover_etag = etag
                 book.save()
     else:
         logger.debug(f"No Book Cover found for Book #{book.id}")
 
 
 def download_all_books(
-    download_cache: str,
+    download_cache: Path,
     concurrency: int,
     languages: list[str],
     formats: list[str],
-    only_books: list[str],
+    only_books: list[int],
     *,
     force: bool,
     s3_storage: KiwixStorage | None,
@@ -372,7 +374,7 @@ def download_all_books(
     )
 
     # ensure dir exist
-    Path(download_cache).mkdir_p()
+    download_cache.mkdir(parents=True, exist_ok=True)
 
     def backoff_busy_error_hdlr(details):
         logger.warning(

src/gutenberg2zim/entrypoint.py

@@ -1,9 +1,8 @@
 import logging
-import os
 import sys
+from pathlib import Path
 
 from docopt import docopt
-from path import Path
 
 from gutenberg2zim.checkdeps import check_dependencies
 from gutenberg2zim.constants import TMP_FOLDER_PATH, VERSION, logger
@@ -94,7 +93,12 @@ def main():
         arguments.get("--rdf-url")
         or "http://www.gutenberg.org/cache/epub/feeds/rdf-files.tar.bz2"
     )
-    dl_cache = arguments.get("--dl-folder") or os.path.join("dl-cache")
+
+    if dl_folder := arguments.get("--dl-folder"):
+        dl_cache = Path(dl_folder).resolve()
+    else:
+        dl_cache = Path("dl-cache").resolve()
+
     books_csv = arguments.get("--books") or ""
     zim_title = arguments.get("--zim-title")
     zim_desc = arguments.get("--zim-desc")
@@ -141,7 +145,7 @@ def main():
             }
         )
 
-    books = []
+    books: list[int] = []
     try:
         books_csv = books_csv.split(",")
 
@@ -151,7 +155,7 @@ def f(x):
         for i in books_csv:
             blst = f(i)
             if len(blst) > 1:
-                blst = range(blst[0], blst[1] + 1)
+                blst = list(range(blst[0], blst[1] + 1))
             books.extend(blst)
         books_csv = list(set(books))
     except Exception as e:
@@ -219,20 +223,22 @@ def f(x):
         if do_zim:
             logger.info("BUILDING ZIM dynamically")
             build_zimfile(
-                output_folder=Path(one_lang_one_zim_folder or ".").abspath(),
+                output_folder=Path(one_lang_one_zim_folder).resolve()
+                if one_lang_one_zim_folder
+                else Path(".").resolve(),
                 download_cache=dl_cache,
                 concurrency=concurrency,
                 languages=zim_lang,
                 formats=formats,
                 only_books=books,
-                force=force,
-                title_search=title_search,
-                add_bookshelves=bookshelves,
                 s3_storage=s3_storage,
                 optimizer_version=optimizer_version,
                 zim_name=Path(zim_name).name if zim_name else None,
                 title=zim_title,
                 description=zim_desc,
                 stats_filename=stats_filename,
                 publisher=publisher,
+                force=force,
+                title_search=title_search,
+                add_bookshelves=bookshelves,
             )