def download_files(files, check_hashes=True, parallel=False): """Download one of more files to the local disk. Args: files: List of FileInfo objects to download. check_hashes: When False assume local files have the correct hash otherwise always check the hashes match the onces in the FileInfo ojects. Returns: List of (filename, url) tuples. """ files_to_download = [] filenames = [] download_dir = webports.package_index.PREBUILT_ROOT if not os.path.exists(download_dir): os.makedirs(download_dir) for file_info in files: basename = os.path.basename(file_info.url) file_info.name = os.path.join(download_dir, basename) filenames.append((file_info.name, file_info.url)) if os.path.exists(file_info.name): if not check_hashes or check_hash(file_info.name, file_info.md5): log('Up-to-date: %s' % file_info.name) continue files_to_download.append(file_info) def check(file_info): if check_hashes and not check_hash(file_info.name, file_info.md5): raise webports.Error( 'Checksum failed: %s\nExpected=%s\nActual=%s' % (file_info.name, file_info.md5, get_hash(file_info.name))) if not files_to_download: log('All files up-to-date') else: total_size = sum(f.size for f in files_to_download) log('Need to download %d/%d files [%s]' % (len(files_to_download), len(files), format_size(total_size))) gsutil = find_gsutil() if parallel: remaining_files = files_to_download num_files = 20 while remaining_files: files = remaining_files[:num_files] remaining_files = remaining_files[num_files:] cmd = gsutil + ['-m', 'cp'] + [f.gsurl for f in files ] + [download_dir] log_verbose(cmd) subprocess.check_call(cmd) for file_info in files: check(file_info) else: for file_info in files_to_download: webports.download_file(file_info.name, file_info.url) check(file_info) return filenames
def download_files(files, check_hashes=True, parallel=False): """Download one of more files to the local disk. Args: files: List of FileInfo objects to download. check_hashes: When False assume local files have the correct hash otherwise always check the hashes match the onces in the FileInfo ojects. Returns: List of (filename, url) tuples. """ files_to_download = [] filenames = [] download_dir = webports.package_index.PREBUILT_ROOT if not os.path.exists(download_dir): os.makedirs(download_dir) for file_info in files: basename = os.path.basename(file_info.url) file_info.name = os.path.join(download_dir, basename) filenames.append((file_info.name, file_info.url)) if os.path.exists(file_info.name): if not check_hashes or check_hash(file_info.name, file_info.md5): log('Up-to-date: %s' % file_info.name) continue files_to_download.append(file_info) def check(file_info): if check_hashes and not check_hash(file_info.name, file_info.md5): raise webports.Error( 'Checksum failed: %s\nExpected=%s\nActual=%s' % (file_info.name, file_info.md5, get_hash(file_info.name))) if not files_to_download: log('All files up-to-date') else: total_size = sum(f.size for f in files_to_download) log('Need to download %d/%d files [%s]' % (len(files_to_download), len(files), format_size(total_size))) gsutil = find_gsutil() if parallel: remaining_files = files_to_download num_files = 20 while remaining_files: files = remaining_files[:num_files] remaining_files = remaining_files[num_files:] cmd = gsutil + ['-m', 'cp'] + [f.gsurl for f in files] + [download_dir] log_verbose(cmd) subprocess.check_call(cmd) for file_info in files: check(file_info) else: for file_info in files_to_download: webports.download_file(file_info.name, file_info.url) check(file_info) return filenames
def download_and_install_sdk(url, target_dir): bz2_dir = OUT_DIR if not os.path.exists(bz2_dir): os.makedirs(bz2_dir) bz2_filename = os.path.join(bz2_dir, url.split('/')[-1]) if sys.platform in ['win32', 'cygwin']: cygbin = os.path.join(find_cygwin(), 'bin') # Download it. webports.download_file(bz2_filename, url) # Extract toolchain. old_cwd = os.getcwd() os.chdir(bz2_dir) untar(bz2_filename) os.chdir(old_cwd) # Calculate pepper_dir by taking common prefix of tar # file contents tar = tarfile.open(bz2_filename) names = tar.getnames() tar.close() pepper_dir = os.path.commonprefix(names) actual_dir = os.path.join(bz2_dir, pepper_dir) # Drop old versions. if os.path.exists(target_dir): webports.log('Cleaning up old SDK...') if sys.platform in ['win32', 'cygwin']: cmd = [os.path.join(cygbin, 'bin', 'rm.exe'), '-rf'] else: cmd = ['rm', '-rf'] cmd.append(target_dir) returncode = subprocess.call(cmd) assert returncode == 0 webports.log('Renaming toolchain "%s" -> "%s"' % (actual_dir, target_dir)) os.rename(actual_dir, target_dir) if sys.platform in ['win32', 'cygwin']: time.sleep(2) # Wait for windows. # Clean up: remove the sdk bz2. os.remove(bz2_filename) webports.log('Install complete.')
def download_to_cache(url, sha1): filename = os.path.basename(url) download_dir = webports.paths.CACHE_ROOT if not os.path.exists(download_dir): os.makedirs(download_dir) full_name = os.path.join(download_dir, filename) if os.path.exists(full_name): try: webports.util.verify_hash(full_name, sha1) webports.log("Verified cached file: %s" % filename) return full_name except webports.util.HashVerificationError: webports.log("Hash mistmatch on cached download: %s" % filename) webports.download_file(full_name, url) webports.util.verify_hash(full_name, sha1) return full_name