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| import os |
| import libarchive |
| import shlex |
| from collections import defaultdict |
|
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|
|
| class ArchiveInfo: |
|
|
| @staticmethod |
| def from_file(filename: str) -> 'ArchiveInfo': |
| with libarchive.file_reader(filename) as entries: |
| archiveinfo = ArchiveInfo(entries) |
| return archiveinfo |
|
|
| def __init__(self, entries: libarchive.read.ArchiveRead) -> None: |
| self.file_count = 0 |
| self.file_types: defaultdict = defaultdict(int) |
| self.directories: set = set() |
| self.total_size = 0 |
|
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| self.process_entries(entries) |
|
|
| def process_entries(self, entries): |
| for entry in entries: |
| if entry.isdir: |
| self.process_dir(entry) |
| elif entry.isfile: |
| self.process_file(entry) |
| else: |
| pass |
|
|
| def process_file(self, entry): |
| path = str(entry) |
| dirname = os.path.dirname(path) |
| basename = os.path.basename(path) |
| filename, ext = os.path.splitext(basename) |
|
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| self.process_dirname(dirname) |
|
|
| self.file_types[ext.lower()] += 1 |
| self.file_count += 1 |
| self.total_size += entry.size |
|
|
| def process_dir(self, entry): |
| self.process_dirname(str(entry)) |
|
|
| def process_dirname(self, path): |
| if path != "" and path != "/": |
| path = os.path.normpath(path) |
| while path != "": |
| self.directories.add(path) |
| path = os.path.dirname(path) |
|
|
| def print_summary(self): |
| print(" Directories ({}):".format(len(self.directories))) |
| if len(self.directories) == 0: |
| print(" .") |
| else: |
| for d in sorted(self.directories): |
| print(" {}".format(shlex.quote(d))) |
| print(" Files ({}):".format(self.file_count)) |
| for ext, count in sorted(self.file_types.items()): |
| print(" {:>5d} {}".format(count, ext)) |
| print(" Size:") |
| print(" Total: {:>12} Bytes".format(self.total_size)) |
| print(" Average: {:>12} Bytes".format(int(self.total_size / self.file_count))) |
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