# Path: picopt/settings.py
# class Settings(Namespace):
#     """Global settings class."""
# 
#     # advpng: bool = False
#     bigger: bool = False
#     comics: bool = False
#     destroy_metadata: bool = False
#     follow_symlinks: bool = True
#     formats: Set[str] = set()
#     gifsicle: bool = True
#     jobs: int = multiprocessing.cpu_count()
#     #    jpegrescan: bool = True
#     #    jpegrescan_multithread: bool = False
#     jpegtran: bool = True
#     jpegtran_prog: bool = True
#     list_only: bool = False
#     mozjpeg: bool = True
#     optimize_after: Optional[float] = None
#     optipng: bool = True
#     paths: Set[str] = set()
#     pngout: bool = True
#     record_timestamp: bool = False
#     recurse: bool = False
#     test: bool = False
#     to_png_formats: Set[str] = set()
#     verbose: int = 1
# 
#     def __init__(
#         self,
#         programs: Optional[Set[Callable]] = None,
#         namespace: Optional[Namespace] = None,
#     ) -> None:
#         """Initialize settings object with arguments namespace."""
#         self._update(namespace)
#         self._config_program_reqs(programs)
#         self.verbose += 1
#         self.paths = set(self.paths)
#         self._update_formats()
#         self.jobs = max(self.jobs, 1)
# 
#     #        self._set_jpegrescan_threading()
# 
#     @staticmethod
#     def parse_date_string(date_str: str) -> float:
#         """Turn a datetime string into an epoch float."""
#         after_dt = dateutil.parser.parse(date_str)
#         return time.mktime(after_dt.timetuple())
# 
#     def _update_formats(self) -> None:
#         """Update the format list from to_png_formats & comics flag."""
#         from .formats.comic import Comic
#         from .formats.gif import Gif
#         from .formats.jpeg import Jpeg
#         from .formats.png import Png
# 
#         if not self.to_png_formats:
#             self.to_png_formats = Png.CONVERTABLE_FORMATS
#         if not self.formats:
#             self.formats = self.to_png_formats | Jpeg.FORMATS | Gif.FORMATS
#         if self.comics:
#             self.formats |= Comic.FORMATS
# 
#         print("Optimizing formats:", *sorted(self.formats))
# 
#     #    def _set_jpegrescan_threading(self) -> None:
#     #        """
#     #        Make a rough guess about weather or not to invoke multithreading.
#     #
#     #        jpegrescan '-t' uses three threads
#     #        """
#     #        files_in_paths = 0
#     #        non_file_in_paths = False
#     #        for filename in self.paths:
#     #            path = Path(filename)
#     #            if path.is_file():
#     #                files_in_paths += 1
#     #            else:
#     #                non_file_in_paths = True
#     #
#     #        self.jpegrescan_multithread = (
#     #            not non_file_in_paths and self.jobs - (files_in_paths * 3) > -1
#     #        )
# 
#     def _update(self, namespace: Optional[Namespace]) -> None:
#         """Update settings with a dict."""
#         if not namespace:
#             return
#         for key, val in namespace.__dict__.items():
#             if key.startswith("_"):
#                 continue
#             setattr(self, key, val)
# 
#     def _set_program_defaults(self, programs: Optional[Set[Callable]]) -> None:
#         """Run the external program tester on the required binaries."""
#         if not programs:
#             from .formats.gif import Gif
#             from .formats.jpeg import Jpeg
#             from .formats.png import Png
# 
#             programs = set(Png.PROGRAMS + Gif.PROGRAMS + Jpeg.PROGRAMS)
#         for program in programs:
#             prog_name = program.__func__.__name__  # type: ignore
#             val = getattr(self, prog_name) and extern.does_external_program_run(
#                 prog_name, Settings.verbose
#             )
#             setattr(self, prog_name, val)
# 
#     def _config_program_reqs(self, programs: Optional[Set[Callable]]) -> None:
#         """Run the program tester and determine if we can do anything."""
#         self._set_program_defaults(programs)
# 
#         do_png = self.optipng or self.pngout  # or self.advpng
#         do_jpeg = self.mozjpeg or self.jpegtran  # of self.jpegrescan
#         do_comics = self.comics
# 
#         self.can_do = do_png or do_jpeg or do_comics


from pathlib import Path
from typing import List
from typing import Optional
from typing import Tuple
from .settings import Settings
    size_in = report_stats.bytes_in
    if size_in > 0:
        size_out = report_stats.bytes_out
        ratio = size_out / size_in
        kb_saved = _humanize_bytes(size_in - size_out)
    else:
        ratio = 1
        kb_saved = f"0 {ABBREVS[-1][1]}"
    percent_saved = (1 - ratio) * 100

    result = "{:.{prec}f}% ({})".format(percent_saved, kb_saved, prec=2)
    return result


def _report_saved(settings: Settings, report_stats: ReportStats) -> str:
    """Return the percent saved."""
    report = ""
    path = report_stats.final_path

    report += f"{path}: "
    report += new_percent_saved(report_stats)
    if settings.test:
        report += " could be saved."
    if settings.verbose > 1:
        tools_report = ", ".join(report_stats.report_list)
        if tools_report:
            report += "\n\t" + tools_report
    return report



# Path: picopt/settings.py
# class Settings(Namespace):
#     """Global settings class."""
# 
#     # advpng: bool = False
#     bigger: bool = False
#     comics: bool = False
#     destroy_metadata: bool = False
#     follow_symlinks: bool = True
#     formats: Set[str] = set()
#     gifsicle: bool = True
#     jobs: int = multiprocessing.cpu_count()
#     #    jpegrescan: bool = True
#     #    jpegrescan_multithread: bool = False
#     jpegtran: bool = True
#     jpegtran_prog: bool = True
#     list_only: bool = False
#     mozjpeg: bool = True
#     optimize_after: Optional[float] = None
#     optipng: bool = True
#     paths: Set[str] = set()
#     pngout: bool = True
#     record_timestamp: bool = False
#     recurse: bool = False
#     test: bool = False
#     to_png_formats: Set[str] = set()
#     verbose: int = 1
# 
#     def __init__(
#         self,
#         programs: Optional[Set[Callable]] = None,
#         namespace: Optional[Namespace] = None,
#     ) -> None:
#         """Initialize settings object with arguments namespace."""
#         self._update(namespace)
#         self._config_program_reqs(programs)
#         self.verbose += 1
#         self.paths = set(self.paths)
#         self._update_formats()
#         self.jobs = max(self.jobs, 1)
# 
#     #        self._set_jpegrescan_threading()
# 
#     @staticmethod
#     def parse_date_string(date_str: str) -> float:
#         """Turn a datetime string into an epoch float."""
#         after_dt = dateutil.parser.parse(date_str)
#         return time.mktime(after_dt.timetuple())
# 
#     def _update_formats(self) -> None:
#         """Update the format list from to_png_formats & comics flag."""
#         from .formats.comic import Comic
#         from .formats.gif import Gif
#         from .formats.jpeg import Jpeg
#         from .formats.png import Png
# 
#         if not self.to_png_formats:
#             self.to_png_formats = Png.CONVERTABLE_FORMATS
#         if not self.formats:
#             self.formats = self.to_png_formats | Jpeg.FORMATS | Gif.FORMATS
#         if self.comics:
#             self.formats |= Comic.FORMATS
# 
#         print("Optimizing formats:", *sorted(self.formats))
# 
#     #    def _set_jpegrescan_threading(self) -> None:
#     #        """
#     #        Make a rough guess about weather or not to invoke multithreading.
#     #
#     #        jpegrescan '-t' uses three threads
#     #        """
#     #        files_in_paths = 0
#     #        non_file_in_paths = False
#     #        for filename in self.paths:
#     #            path = Path(filename)
#     #            if path.is_file():
#     #                files_in_paths += 1
#     #            else:
#     #                non_file_in_paths = True
#     #
#     #        self.jpegrescan_multithread = (
#     #            not non_file_in_paths and self.jobs - (files_in_paths * 3) > -1
#     #        )
# 
#     def _update(self, namespace: Optional[Namespace]) -> None:
#         """Update settings with a dict."""
#         if not namespace:
#             return
#         for key, val in namespace.__dict__.items():
#             if key.startswith("_"):
#                 continue
#             setattr(self, key, val)
# 
#     def _set_program_defaults(self, programs: Optional[Set[Callable]]) -> None:
#         """Run the external program tester on the required binaries."""
#         if not programs:
#             from .formats.gif import Gif
#             from .formats.jpeg import Jpeg
#             from .formats.png import Png
# 
#             programs = set(Png.PROGRAMS + Gif.PROGRAMS + Jpeg.PROGRAMS)
#         for program in programs:
#             prog_name = program.__func__.__name__  # type: ignore
#             val = getattr(self, prog_name) and extern.does_external_program_run(
#                 prog_name, Settings.verbose
#             )
#             setattr(self, prog_name, val)
# 
#     def _config_program_reqs(self, programs: Optional[Set[Callable]]) -> None:
#         """Run the program tester and determine if we can do anything."""
#         self._set_program_defaults(programs)
# 
#         do_png = self.optipng or self.pngout  # or self.advpng
#         do_jpeg = self.mozjpeg or self.jpegtran  # of self.jpegrescan
#         do_comics = self.comics
# 
#         self.can_do = do_png or do_jpeg or do_comics


# Path: picopt/stats.py
from pathlib import Path
from typing import List
from typing import Optional
from typing import Tuple
from .settings import Settings

    size_in = report_stats.bytes_in
    if size_in > 0:
        size_out = report_stats.bytes_out
        ratio = size_out / size_in
        kb_saved = _humanize_bytes(size_in - size_out)
    else:
        ratio = 1
        kb_saved = f"0 {ABBREVS[-1][1]}"
    percent_saved = (1 - ratio) * 100

    result = "{:.{prec}f}% ({})".format(percent_saved, kb_saved, prec=2)
    return result


def _report_saved(settings: Settings, report_stats: ReportStats) -> str:
    """Return the percent saved."""
    report = ""
    path = report_stats.final_path

    report += f"{path}: "
    report += new_percent_saved(report_stats)
    if settings.test:
        report += " could be saved."
    if settings.verbose > 1:
        tools_report = ", ".join(report_stats.report_list)
        if tools_report:
            report += "\n\t" + tools_report
    return report



def report_saved(settings: Settings, report_stats: ReportStats) -> None: