C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// """Download files with progress indicators. """ import cgi import logging import mimetypes import os from pip._vendor.requests.models import CONTENT_CHUNK_SIZE from pip._internal.cli.progress_bars import DownloadProgressProvider from pip._internal.exceptions import NetworkConnectionError from pip._internal.models.index import PyPI from pip._internal.network.cache import is_from_cache from pip._internal.network.utils import ( HEADERS, raise_for_status, response_chunks, ) from pip._internal.utils.misc import ( format_size, redact_auth_from_url, splitext, ) from pip._internal.utils.typing import MYPY_CHECK_RUNNING if MYPY_CHECK_RUNNING: from typing import Iterable, Optional from pip._vendor.requests.models import Response from pip._internal.models.link import Link from pip._internal.network.session import PipSession logger = logging.getLogger(__name__) def _get_http_response_size(resp): # type: (Response) -> Optional[int] try: return int(resp.headers['content-length']) except (ValueError, KeyError, TypeError): return None def _prepare_download( resp, # type: Response link, # type: Link progress_bar # type: str ): # type: (...) -> Iterable[bytes] total_length = _get_http_response_size(resp) if link.netloc == PyPI.file_storage_domain: url = link.show_url else: url = link.url_without_fragment logged_url = redact_auth_from_url(url) if total_length: logged_url = '{} ({})'.format(logged_url, format_size(total_length)) if is_from_cache(resp): logger.info("Using cached %s", logged_url) else: logger.info("Downloading %s", logged_url) if logger.getEffectiveLevel() > logging.INFO: show_progress = False elif is_from_cache(resp): show_progress = False elif not total_length: show_progress = True elif total_length > (40 * 1000): show_progress = True else: show_progress = False chunks = response_chunks(resp, CONTENT_CHUNK_SIZE) if not show_progress: return chunks return DownloadProgressProvider( progress_bar, max=total_length )(chunks) def sanitize_content_filename(filename): # type: (str) -> str """ Sanitize the "filename" value from a Content-Disposition header. """ return os.path.basename(filename) def parse_content_disposition(content_disposition, default_filename): # type: (str, str) -> str """ Parse the "filename" value from a Content-Disposition header, and return the default filename if the result is empty. """ _type, params = cgi.parse_header(content_disposition) filename = params.get('filename') if filename: # We need to sanitize the filename to prevent directory traversal # in case the filename contains ".." path parts. filename = sanitize_content_filename(filename) return filename or default_filename def _get_http_response_filename(resp, link): # type: (Response, Link) -> str """Get an ideal filename from the given HTTP response, falling back to the link filename if not provided. """ filename = link.filename # fallback # Have a look at the Content-Disposition header for a better guess content_disposition = resp.headers.get('content-disposition') if content_disp