def revision(): dbx = Dropbox(session['access_token']) f = dbx.files_download(request.args['path'], request.args['rev']) resp = make_response(f[1].content) resp.headers["Content-Disposition"] = "attachment; filename=" + f[0].name return resp
def download_file(dbx: dropbox.Dropbox, local_report_file_path: Path, remote_report_file_path: str): try: metadata, response = dbx.files_download(remote_report_file_path) with local_report_file_path.open(mode='wb') as report_file: report_file.write(response.content) except ApiError as e: sys.exit(f"Error: {e}")
class TestDropbox(unittest.TestCase): def setUp(self): self.dbx = Dropbox(oauth2_token) def test_bad_auth(self): # Test malformed token malformed_token_dbx = Dropbox(MALFORMED_TOKEN) with self.assertRaises(BadInputError) as cm: malformed_token_dbx.files_list_folder('') self.assertIn('token is malformed', cm.exception.message) # Test reasonable-looking invalid token invalid_token_dbx = Dropbox(INVALID_TOKEN) with self.assertRaises(AuthError) as cm: invalid_token_dbx.files_list_folder('') self.assertEqual(cm.exception.error['error']['.tag'], 'invalid_access_token') def test_rpc(self): self.dbx.files_list_folder('') # Test API error random_folder_path = '/' + \ ''.join(random.sample(string.ascii_letters, 15)) with self.assertRaises(ApiError) as cm: self.dbx.files_list_folder(random_folder_path) self.assertIsInstance(cm.exception.error, ListFolderError) def test_upload_download(self): # Upload file timestamp = str(datetime.datetime.utcnow()) random_filename = ''.join(random.sample(string.ascii_letters, 15)) random_path = '/Test/%s/%s' % (timestamp, random_filename) test_contents = DUMMY_PAYLOAD self.dbx.files_upload(test_contents, random_path) # Download file metadata, resp = self.dbx.files_download(random_path) self.assertEqual(DUMMY_PAYLOAD, resp.content) # Cleanup folder self.dbx.files_delete('/Test/%s' % timestamp) def test_bad_upload_types(self): with self.assertRaises(TypeError): self.dbx.files_upload(BytesIO(b'test'), '/Test') @require_team_token def test_team(self, token): dbxt = DropboxTeam(token) dbxt.team_groups_list() r = dbxt.team_members_list() if r.members: # Only test assuming a member if there is a member dbxt.as_user( r.members[0].profile.team_member_id).files_list_folder('')
def pull_from_dropbox(branch_name, symbol, gui): global settings # Read if settings["CONFIRM"]: confirm = simpledialog.askstring( "Confirm", "Type in 'YES' if you wish to proceed. This will override existing worlds" " if a conflict is found") if not confirm == "YES": return "Pull cancelled" saves_path = settings["SAVES_DIR"] temp_dir = settings["TEMP_DIR"] source = "/" + branch_name + "/" if settings["OAUTH"] == 'null': return "Please type in /login to use this feature" println("Starting download... ", gui) println( "Do not close the app until 'done downloading' message is shown on the console", gui) # clear temp_dir for path_temp in listdir(temp_dir): if path.isdir(path.join(temp_dir, path_temp)): rmtree(path.join(temp_dir, path_temp)) else: remove(path.join(temp_dir, path_temp)) # download zip files dbx = Dropbox(settings["OAUTH"].access_token) for entry in dbx.files_list_folder(source).entries: file = source + entry.name with open(path.join(temp_dir, entry.name), "wb") as f: metadata, res = dbx.files_download(path=file) f.write(res.content) f.close() for path_temp in listdir(temp_dir): file = path.join(temp_dir, path_temp) name, extension = path.splitext(file) file_name, ext = path.splitext(path_temp) if file_name[0] == symbol and extension == ".zip": with zipfile.ZipFile(file, 'r') as zip_ref: z = path.join(saves_path, file_name) zip_ref.extractall(z) remove(file) save(settings) return "Done Downloading"
def debug(): """Debug todo synchronization code""" dropbox = db.session.query(models.Dropbox).first() # type: models.Dropbox try: dbx = Dropbox(dropbox.access_token) md, res = dbx.files_download(path=dropbox.file_location) except ApiError as err: if err.error.is_path() and err.error.get_path().is_not_found(): return 'File not found: ' + dropbox.file_location return 'Other error occurred' update_todos(content=res.content) return redirect(url_for('show_todos'))
class TestDropbox(unittest.TestCase): def setUp(self): self.dbx = Dropbox(oauth2_token) def test_bad_auth(self): # Test malformed token malformed_token_dbx = Dropbox(MALFORMED_TOKEN) with self.assertRaises(BadInputError) as cm: malformed_token_dbx.files_list_folder('') self.assertIn('token is malformed', cm.exception.message) # Test reasonable-looking invalid token invalid_token_dbx = Dropbox(INVALID_TOKEN) with self.assertRaises(AuthError) as cm: invalid_token_dbx.files_list_folder('') self.assertEqual(cm.exception.error['error']['.tag'], 'invalid_access_token') def test_rpc(self): self.dbx.files_list_folder('') # Test API error random_folder_path = '/' + \ ''.join(random.sample(string.ascii_letters, 15)) with self.assertRaises(ApiError) as cm: self.dbx.files_list_folder(random_folder_path) self.assertIsInstance(cm.exception.error, ListFolderError) def test_upload_download(self): # Upload file timestamp = str(datetime.datetime.utcnow()) random_filename = ''.join(random.sample(string.ascii_letters, 15)) random_path = '/Test/%s/%s' % (timestamp, random_filename) test_contents = string.ascii_letters self.dbx.files_upload(test_contents, random_path) # Download file metadata, resp = self.dbx.files_download(random_path) self.assertEqual(string.ascii_letters, resp.text) # Cleanup folder self.dbx.files_delete('/Test/%s' % timestamp) @require_team_token def test_team(self, token): dbxt = DropboxTeam(token) dbxt.team_groups_list() r = dbxt.team_members_list() if r.members: # Only test assuming a member if there is a member dbxt.as_user(r.members[0].profile.team_member_id).files_list_folder('')
def chunk(self, path, filename, size, offset=0): """ return one chunk of file :param str path: path on server :param str filename: name of file :param int size: chunk-size :param int offset: bits from the beginning :return: tuple(File obj, content) """ p_session = session() dbx_p = Dropbox(oauth2_access_token=self._access_token, headers={ "Range": "bytes=" + str(offset) + "-" + str(offset + size - 1)}, session=p_session) # fetch chunks from dropbox meta, response = dbx_p.files_download(path+"/"+filename) f = File(meta.name, meta.path_lower, meta.client_modified, meta.client_modified) p_session.close() return f, response.content
def sync(): challenge = request.args.get('challenge') if challenge is not None: return challenge """Synchronize database with todo.txt""" dropbox = db.session.query(models.Dropbox).first() # type: models.Dropbox # Make sure this is a valid request from Dropbox signature = request.headers.get('X-Dropbox-Signature') if not hmac.compare_digest(signature, hmac.new(dropbox.secret.encode(), request.data, sha256).hexdigest()): app.logger.warn('Invalid sync request attempted') abort(403) dbx = Dropbox(dropbox.access_token) if dropbox.cursor is None: result = dbx.files_list_folder(path=os.path.dirname(dropbox.file_location)) else: result = dbx.files_list_folder_continue(cursor=dropbox.cursor) # Check if todo.txt was changed found = False for metadata in result.entries: # type: Metadata if metadata.path_lower == dropbox.file_location.lower(): found = True break if not found: dropbox.cursor = result.cursor db.session.merge(dropbox) db.session.commit() return '' app.logger.info('Sync request made') try: md, res = dbx.files_download(path=dropbox.file_location) except ApiError as err: if err.error.is_path() and err.error.get_path().is_not_found(): return 'File not found: ' + dropbox.file_location return 'Other error occurred' update_todos(content=res.content) dropbox.cursor = result.cursor db.session.merge(dropbox) db.session.commit() return ''
class TestDropbox(unittest.TestCase): def setUp(self): self.dbx = Dropbox(oauth2_token) def test_bad_auth(self): # Test malformed token malformed_token_dbx = Dropbox(MALFORMED_TOKEN) with self.assertRaises(BadInputError) as cm: malformed_token_dbx.files_list_folder('') self.assertIn('token is malformed', cm.exception.message) # Test reasonable-looking invalid token invalid_token_dbx = Dropbox(INVALID_TOKEN) with self.assertRaises(AuthError) as cm: invalid_token_dbx.files_list_folder('') self.assertEqual(cm.exception.reason['error']['.tag'], 'invalid_access_token') def test_rpc(self): self.dbx.files_list_folder('') # Test API error random_folder_path = '/' + \ ''.join(random.sample(string.ascii_letters, 15)) with self.assertRaises(ApiError) as cm: self.dbx.files_list_folder(random_folder_path) self.assertIsInstance(cm.exception.reason, ListFolderError) def test_upload_download(self): # Upload file timestamp = str(datetime.datetime.utcnow()) random_filename = ''.join(random.sample(string.ascii_letters, 15)) random_path = '/Test/%s/%s' % (timestamp, random_filename) test_contents = string.ascii_letters self.dbx.files_upload(test_contents, random_path) # Download file metadata, resp = self.dbx.files_download(random_path) self.assertEqual(string.ascii_letters, resp.text) # Cleanup folder self.dbx.files_delete('/Test/%s' % timestamp)
def convert_from_dropbox(): """Convert an image from dropbox.""" access_token = request.headers.get('Dropbox-Token') # Check if the dropbox access token was sent if access_token is None: abort(403, description='No dropbox access token sent') dbx = Dropbox(access_token) path = request.form.get('path') # Check if the path was sent in the request if path is None: abort(400, description='No path sent') format = request.form.get('format') # Check if the format was sent in the request if format is None: abort(400, description='No format sent') # Check if the format sent is accepted if format.lower() not in FORMATS: abort(400, description='The format sent is invalid') try: metadata, response = dbx.files_download(path) except: abort(404, description='The file was not found') # Create a byte object to save the image file = BytesIO() with Image.open(BytesIO(response.content)) as image: image.save(file, format) file.seek(0) return send_file(file, mimetype='image/{}'.format(format))
def process_user(account): '''Call /files/list_folder for the given user ID and process any changes.''' # OAuth token for the user token = redis_client.hget('tokens', account) # cursor for the user (None the first time) cursor = redis_client.hget('cursors', account) dbx = Dropbox(token) has_more = True while has_more: if cursor is None: result = dbx.files_list_folder(path='') else: result = dbx.files_list_folder_continue(cursor) for entry in result.entries: # Ignore deleted files, folders, and non-markdown files if (isinstance(entry, DeletedMetadata) or isinstance(entry, FolderMetadata) or not entry.path_lower.endswith('.md')): continue # Convert to Markdown and store as <basename>.html _, resp = dbx.files_download(entry.path_lower) html = markdown(resp.content.decode("utf-8")) dbx.files_upload(bytes(html, encoding='utf-8'), entry.path_lower[:-3] + '.html', mode=WriteMode('overwrite')) # Update cursor cursor = result.cursor redis_client.hset('cursors', account, cursor) # Repeat only if there's more to do has_more = result.has_more
def process_user(account): ''' Call /files/list_folder for the given user ID and process any changes. ''' print("*" * 30, " - PROCESS_USER - ", "*" * 30) # OAuth token for the user token = redis_client.hget('tokens', account) print("token: ", token) # cursor for the user (None the first time) cursor = redis_client.hget('cursors', account) print("cursor: ", cursor) output_file_extension = ".csv" input_file_extensions = [ ".textgrid", ".TextGrid", ] processed_marker = "_cleaned" dbx = Dropbox(token.decode()) has_more = True while has_more: print("there's more!") if cursor is None: print("cursor is 'None'!") result = dbx.files_list_folder(path='') print("result: ", result) else: print("entering files_list_folder_continue...") result = dbx.files_list_folder_continue(cursor.decode()) print("result: ", result) for entry in result.entries: print("entry: ", entry) # yapf: disable if ( isinstance(entry, DeletedMetadata) or isinstance(entry, FolderMetadata) or not any(entry.path_lower.endswith(e) for e in input_file_extensions) ): # yapf: enable print("skipping.") continue _, resp = dbx.files_download(entry.path_lower) print("processing data...") processed_data = clean_data(resp.content) dbx.files_upload(processed_data, entry.path_lower[:-4] + processed_marker + output_file_extension, mode=WriteMode('add')) #mode=WriteMode('overwrite')) # Update cursor cursor = result.cursor redis_client.hset('cursors', account, cursor) # Repeat only if there's more to do has_more = result.has_more
class DropboxNoteProvider(RemoteNoteProvider): __DAY_ONE_EXTENSION = ".doentry" def __init__(self, accessToken, folder, proxyHost=None, proxyPort=None, proxyUser=None, proxyPassword=None): proxies = _proxies(proxyHost, proxyPort, proxyUser, proxyPassword) self.__token = accessToken self.__basePath = folder self.__notesPath = folder + "/entries" self.__removedNotesPath = self.__notesPath + "/deleted" self.__photosPath = folder + "/photos" self.__client = Dropbox(self.__token, session=create_session(proxies=proxies)) self.__notesCache = {} self.__dayOneFlavor = folder == SyncFolder.DayOne @online @expires def sync(self): _LOG.info("Listing all notes and photos") folder = self.__client.files_list_folder(self.__basePath, recursive=True) files = list(filter(lambda e: e is not None, map(FileEntry.fromMetadata, folder.entries))) while folder.has_more: folder = self.__client.files_list_folder_continue(folder.cursor) files.extend(filter(lambda e: e is not None, map(FileEntry.fromMetadata, folder.entries))) notes = {} for file in filter(lambda f: f.folder == self.__notesPath and isUuid(self.__normalizeNoteName(f.name)), files): uuid = self.__normalizeNoteName(file.name) notes[uuid] = NoteStatus(uuid, file.lastModified) for file in filter(lambda f: f.folder == self.__photosPath and f.name.endswith(".jpg"), files): uuid = file.name[:-4] if uuid in notes: notes[uuid].hasPhoto = True for file in filter(lambda f: f.folder == self.__removedNotesPath and isUuid(self.__normalizeNoteName(f.name)), files): uuid = self.__normalizeNoteName(file.name) if uuid in notes: if file.lastModified >= notes[uuid].lastModified: _LOG.warning("Sync integrity check deleting note: %s", uuid) try: self.__client.files_delete(self.__notePath(uuid)) except ApiError: _LOG.warning("Note %s not found", uuid) if notes[uuid].hasPhoto: _LOG.warning("Sync integrity check deleting photo: %s", uuid) try: self.__client.files_delete(self.__photoPath(uuid)) except ApiError: _LOG.warning("Photo %s not found", uuid) del notes[uuid] else: _LOG.warning("Sync integrity check deleting REMOVED note: %s", uuid) try: self.__client.files_delete(self.__removedNotePath(uuid)) except ApiError: _LOG.warning("REMOVED note %s not found", uuid) continue notes[uuid] = NoteStatus(uuid, file.lastModified, True) self.__notesCache = notes return notes @online @expires def get(self, uuid): _LOG.info("Getting note: %s", uuid) metadata, response = self.__client.files_download(self.__notePath(uuid)) with response: note = unmarshalNote(response.content, metadata.client_modified) if uuid not in self.__notesCache or self.__notesCache[uuid].hasPhoto: _LOG.info("Getting photo: %s", uuid) try: with self.__client.files_download(self.__photoPath(uuid))[1] as response: note.photo = response.content except ApiError as e: if e.error.is_path() and e.error.get_path().is_not_found(): _LOG.warning("Photo %s does not exist", uuid) else: raise e return renderHtml(note) @online @expires def add(self, note): uuid = note.uuid _LOG.info("Adding note: %s", uuid) self.__uploadFile(self.__notePath(uuid), note.lastModified, marshalNote(note), overwrite=False) if note.photo: _LOG.info("Adding photo: %s", uuid) self.__uploadFile(self.__photoPath(uuid), note.lastModified, note.photo) elif uuid in self.__notesCache and self.__notesCache[uuid].hasPhoto: _LOG.info("Deleting photo: %s", uuid) try: self.__client.files_delete(self.__photoPath(uuid)) except ApiError: _LOG.warning("Photo %s not found", uuid) # Clean removed note if exists if uuid in self.__notesCache and self.__notesCache[uuid].removed: _LOG.info("Deleting REMOVED note: %s", uuid) try: self.__client.files_delete(self.__removedNotePath(uuid)) except ApiError: _LOG.warning("REMOVED note %s not found", uuid) @online @expires def update(self, note): uuid = note.uuid # Check if note exists if self.__notesCache and (uuid not in self.__notesCache or self.__notesCache[uuid].removed): raise RuntimeError("Note[uuid=%s] does not exist" % uuid) _LOG.info("Updating note: %s", uuid) self.__uploadFile(self.__notePath(uuid), note.lastModified, marshalNote(note)) if note.photo: _LOG.info("Updating photo: %s", uuid) self.__uploadFile(self.__photoPath(uuid), note.lastModified, note.photo) elif uuid not in self.__notesCache or self.__notesCache[uuid].hasPhoto: _LOG.info("Deleting photo: %s", uuid) try: self.__client.files_delete(self.__photoPath(uuid)) except ApiError: _LOG.warning("Photo %s not found", uuid) @online @expires def remove(self, note): uuid = note.uuid # Remove note if exists if uuid in self.__notesCache and not self.__notesCache[uuid].removed: _LOG.info("Deleting note: %s", uuid) try: self.__client.files_delete(self.__notePath(uuid)) except ApiError: _LOG.warning("Note %s not found", uuid) # Remove photo if exists if uuid in self.__notesCache and self.__notesCache[uuid].hasPhoto: _LOG.info("Deleting photo: %s", uuid) try: self.__client.files_delete(self.__photoPath(uuid)) except ApiError: _LOG.warning("Photo %s not found", uuid) _LOG.info("Adding REMOVED note: %s", uuid) self.__uploadFile(self.__removedNotePath(uuid), note.lastModified, b"") def __uploadFile(self, path, lastModified, content, overwrite=True): mode = WriteMode.overwrite if overwrite else WriteMode.add self.__client.files_upload(content, path, mode=mode, client_modified=lastModified) def __normalizeNoteName(self, name): if self.__dayOneFlavor and name.endswith(self.__DAY_ONE_EXTENSION): name = name[:-(len(self.__DAY_ONE_EXTENSION))] return name def __buildNotePath(self, parentPath, uuid): path = parentPath + "/" + uuid if self.__dayOneFlavor: path += self.__DAY_ONE_EXTENSION return path def __notePath(self, uuid): return self.__buildNotePath(self.__notesPath, uuid) def __removedNotePath(self, uuid): return self.__buildNotePath(self.__removedNotesPath, uuid) def __photoPath(self, uuid): return self.__photosPath + "/" + uuid + ".jpg"
class DPBXBackend(duplicity.backend.Backend): """Connect to remote store using Dr*pB*x service""" def __init__(self, parsed_url): duplicity.backend.Backend.__init__(self, parsed_url) self.api_account = None self.api_client = None self.auth_flow = None self.login() def user_authenticated(self): try: account = self.api_client.users_get_current_account() log.Debug("User authenticated as ,%s" % account) return True except: log.Debug('User not authenticated') return False def load_access_token(self): return os.environ.get('DPBX_ACCESS_TOKEN', None) def save_access_token(self, access_token): raise BackendException( 'dpbx: Please set DPBX_ACCESS_TOKEN=\"%s\" environment variable' % access_token) def obtain_access_token(self): log.Info("dpbx: trying to obtain access token") for env_var in ['DPBX_APP_KEY', 'DPBX_APP_SECRET']: if env_var not in os.environ: raise BackendException( 'dpbx: %s environment variable not set' % env_var) app_key = os.environ['DPBX_APP_KEY'] app_secret = os.environ['DPBX_APP_SECRET'] if not sys.stdout.isatty() or not sys.stdin.isatty(): log.FatalError( 'dpbx error: cannot interact, but need human attention', log.ErrorCode.backend_command_error) auth_flow = DropboxOAuth2FlowNoRedirect(app_key, app_secret) log.Debug('dpbx,auth_flow.start()') authorize_url = auth_flow.start() print print '-' * 72 print "1. Go to: " + authorize_url print "2. Click \"Allow\" (you might have to log in first)." print "3. Copy the authorization code." print '-' * 72 auth_code = raw_input("Enter the authorization code here: ").strip() try: log.Debug('dpbx,auth_flow.finish(%s)' % auth_code) authresult = auth_flow.finish(auth_code) except Exception as e: raise BackendException('dpbx: Unable to obtain access token: %s' % e) log.Info("dpbx: Authentication successfull") self.save_access_token(authresult.access_token) def login(self): if self.load_access_token() is None: self.obtain_access_token() self.api_client = Dropbox(self.load_access_token()) self.api_account = None try: log.Debug('dpbx,users_get_current_account([token])') self.api_account = self.api_client.users_get_current_account() log.Debug("dpbx,%s" % self.api_account) except (BadInputError, AuthError) as e: log.Debug('dpbx,exception: %s' % e) log.Info( "dpbx: Authentication failed. Trying to obtain new access token" ) self.obtain_access_token() # We're assuming obtain_access_token will throw exception. # So this line should not be reached raise BackendException( "dpbx: Please update DPBX_ACCESS_TOKEN and try again") log.Info("dpbx: Successfully authenticated as %s" % self.api_account.name.display_name) def _error_code(self, operation, e): if isinstance(e, ApiError): err = e.error if isinstance(err, GetMetadataError) and err.is_path(): if err.get_path().is_not_found(): return log.ErrorCode.backend_not_found elif isinstance(err, DeleteError) and err.is_path_lookup(): lookup = e.error.get_path_lookup() if lookup.is_not_found(): return log.ErrorCode.backend_not_found @command() def _put(self, source_path, remote_filename): remote_dir = urllib.unquote(self.parsed_url.path.lstrip('/')) remote_path = '/' + os.path.join(remote_dir, remote_filename).rstrip() file_size = os.path.getsize(source_path.name) progress.report_transfer(0, file_size) if file_size < DPBX_UPLOAD_CHUNK_SIZE: # Upload whole file at once to avoid extra server request res_metadata = self.put_file_small(source_path, remote_path) else: res_metadata = self.put_file_chunked(source_path, remote_path) # A few sanity checks if res_metadata.path_display != remote_path: raise BackendException( 'dpbx: result path mismatch: %s (expected: %s)' % (res_metadata.path_display, remote_path)) if res_metadata.size != file_size: raise BackendException( 'dpbx: result size mismatch: %s (expected: %s)' % (res_metadata.size, file_size)) def put_file_small(self, source_path, remote_path): if not self.user_authenticated(): self.login() file_size = os.path.getsize(source_path.name) f = source_path.open('rb') try: log.Debug('dpbx,files_upload(%s, [%d bytes])' % (remote_path, file_size)) res_metadata = self.api_client.files_upload( f.read(), remote_path, mode=WriteMode.overwrite, autorename=False, client_modified=None, mute=True) log.Debug('dpbx,files_upload(): %s' % res_metadata) progress.report_transfer(file_size, file_size) return res_metadata finally: f.close() def put_file_chunked(self, source_path, remote_path): if not self.user_authenticated(): self.login() file_size = os.path.getsize(source_path.name) f = source_path.open('rb') try: buf = f.read(DPBX_UPLOAD_CHUNK_SIZE) log.Debug( 'dpbx,files_upload_session_start([%d bytes]), total: %d' % (len(buf), file_size)) upload_sid = self.api_client.files_upload_session_start(buf) log.Debug('dpbx,files_upload_session_start(): %s' % upload_sid) upload_cursor = UploadSessionCursor(upload_sid.session_id, f.tell()) commit_info = CommitInfo(remote_path, mode=WriteMode.overwrite, autorename=False, client_modified=None, mute=True) res_metadata = None progress.report_transfer(f.tell(), file_size) requested_offset = None current_chunk_size = DPBX_UPLOAD_CHUNK_SIZE retry_number = globals.num_retries is_eof = False # We're doing our own error handling and retrying logic because # we can benefit from Dpbx chunked upload and retry only failed # chunk while not is_eof or not res_metadata: try: if requested_offset is not None: upload_cursor.offset = requested_offset if f.tell() != upload_cursor.offset: f.seek(upload_cursor.offset) buf = f.read(current_chunk_size) is_eof = f.tell() >= file_size if not is_eof and len(buf) == 0: continue # reset temporary status variables requested_offset = None current_chunk_size = DPBX_UPLOAD_CHUNK_SIZE retry_number = globals.num_retries if not is_eof: assert len(buf) != 0 log.Debug( 'dpbx,files_upload_sesssion_append([%d bytes], offset=%d)' % (len(buf), upload_cursor.offset)) self.api_client.files_upload_session_append( buf, upload_cursor.session_id, upload_cursor.offset) else: log.Debug( 'dpbx,files_upload_sesssion_finish([%d bytes], offset=%d)' % (len(buf), upload_cursor.offset)) res_metadata = self.api_client.files_upload_session_finish( buf, upload_cursor, commit_info) upload_cursor.offset = f.tell() log.Debug('progress: %d of %d' % (upload_cursor.offset, file_size)) progress.report_transfer(upload_cursor.offset, file_size) except ApiError as e: error = e.error if isinstance(error, UploadSessionLookupError ) and error.is_incorrect_offset(): # Server reports that we should send another chunk. # Most likely this is caused by network error during # previous upload attempt. In such case we'll get # expected offset from server and it's enough to just # seek() and retry again new_offset = error.get_incorrect_offset( ).correct_offset log.Debug( 'dpbx,files_upload_session_append: incorrect offset: %d (expected: %s)' % (upload_cursor.offset, new_offset)) if requested_offset is not None: # chunk failed even after seek attempt. Something # strange and no safe way to recover raise BackendException( "dpbx: unable to chunk upload") else: # will seek and retry requested_offset = new_offset continue raise except ConnectionError as e: log.Debug('dpbx,files_upload_session_append: %s' % e) retry_number -= 1 if not self.user_authenticated(): self.login() if retry_number == 0: raise # We don't know for sure, was partial upload successful or # not. So it's better to retry smaller amount to avoid extra # reupload log.Info('dpbx: sleeping a bit before chunk retry') time.sleep(30) current_chunk_size = DPBX_UPLOAD_CHUNK_SIZE / 5 requested_offset = None continue if f.tell() != file_size: raise BackendException('dpbx: something wrong') log.Debug('dpbx,files_upload_sesssion_finish(): %s' % res_metadata) progress.report_transfer(f.tell(), file_size) return res_metadata finally: f.close() @command() def _get(self, remote_filename, local_path): if not self.user_authenticated(): self.login() remote_dir = urllib.unquote(self.parsed_url.path.lstrip('/')) remote_path = '/' + os.path.join(remote_dir, remote_filename).rstrip() log.Debug('dpbx,files_download(%s)' % remote_path) res_metadata, http_fd = self.api_client.files_download(remote_path) log.Debug('dpbx,files_download(%s): %s, %s' % (remote_path, res_metadata, http_fd)) file_size = res_metadata.size to_fd = None progress.report_transfer(0, file_size) try: to_fd = local_path.open('wb') for c in http_fd.iter_content(DPBX_DOWNLOAD_BUF_SIZE): to_fd.write(c) progress.report_transfer(to_fd.tell(), file_size) finally: if to_fd: to_fd.close() http_fd.close() # It's different from _query() check because we're not querying metadata # again. Since this check is free, it's better to have it here local_size = os.path.getsize(local_path.name) if local_size != file_size: raise BackendException("dpbx: wrong file size: %d (expected: %d)" % (local_size, file_size)) local_path.setdata() @command() def _list(self): # Do a long listing to avoid connection reset if not self.user_authenticated(): self.login() remote_dir = '/' + urllib.unquote( self.parsed_url.path.lstrip('/')).rstrip() log.Debug('dpbx.files_list_folder(%s)' % remote_dir) res = [] try: resp = self.api_client.files_list_folder(remote_dir) log.Debug('dpbx.list(%s): %s' % (remote_dir, resp)) while True: res.extend([entry.name for entry in resp.entries]) if not resp.has_more: break resp = self.api_client.files_list_folder_continue(resp.cursor) except ApiError as e: if (isinstance(e.error, ListFolderError) and e.error.is_path() and e.error.get_path().is_not_found()): log.Debug('dpbx.list(%s): ignore missing folder (%s)' % (remote_dir, e)) else: raise # Warn users of old version dpbx about automatically renamed files self.check_renamed_files(res) return res @command() def _delete(self, filename): if not self.user_authenticated(): self.login() remote_dir = urllib.unquote(self.parsed_url.path.lstrip('/')) remote_path = '/' + os.path.join(remote_dir, filename).rstrip() log.Debug('dpbx.files_delete(%s)' % remote_path) self.api_client.files_delete(remote_path) # files_permanently_delete seems to be better for backup purpose # but it's only available for Business accounts # self.api_client.files_permanently_delete(remote_path) @command() def _close(self): """close backend session? no! just "flush" the data""" log.Debug('dpbx.close():') @command() def _query(self, filename): if not self.user_authenticated(): self.login() remote_dir = urllib.unquote(self.parsed_url.path.lstrip('/')) remote_path = '/' + os.path.join(remote_dir, filename).rstrip() log.Debug('dpbx.files_get_metadata(%s)' % remote_path) info = self.api_client.files_get_metadata(remote_path) log.Debug('dpbx.files_get_metadata(%s): %s' % (remote_path, info)) return {'size': info.size} def check_renamed_files(self, file_list): if not self.user_authenticated(): self.login() bad_list = [ x for x in file_list if DPBX_AUTORENAMED_FILE_RE.search(x) is not None ] if len(bad_list) == 0: return log.Warn('-' * 72) log.Warn( 'Warning! It looks like there are automatically renamed files on backend' ) log.Warn( 'They were probably created when using older version of duplicity.' ) log.Warn('') log.Warn( 'Please check your backup consistency. Most likely you will need to choose' ) log.Warn( 'largest file from duplicity-* (number).gpg and remove brackets from its name.' ) log.Warn('') log.Warn( 'These files are not managed by duplicity at all and will not be') log.Warn('removed/rotated automatically.') log.Warn('') log.Warn('Affected files:') for x in bad_list: log.Warn('\t%s' % x) log.Warn('') log.Warn('In any case it\'s better to create full backup.') log.Warn('-' * 72)
class DPBXBackend(duplicity.backend.Backend): """Connect to remote store using Dr*pB*x service""" def __init__(self, parsed_url): duplicity.backend.Backend.__init__(self, parsed_url) self.api_account = None self.api_client = None self.auth_flow = None self.login() def load_access_token(self): return os.environ.get('DPBX_ACCESS_TOKEN', None) def save_access_token(self, access_token): raise BackendException('dpbx: Please set DPBX_ACCESS_TOKEN=\"%s\" environment variable' % access_token) def obtain_access_token(self): log.Info("dpbx: trying to obtain access token") for env_var in ['DPBX_APP_KEY', 'DPBX_APP_SECRET']: if env_var not in os.environ: raise BackendException('dpbx: %s environment variable not set' % env_var) app_key = os.environ['DPBX_APP_KEY'] app_secret = os.environ['DPBX_APP_SECRET'] if not sys.stdout.isatty() or not sys.stdin.isatty(): log.FatalError('dpbx error: cannot interact, but need human attention', log.ErrorCode.backend_command_error) auth_flow = DropboxOAuth2FlowNoRedirect(app_key, app_secret) log.Debug('dpbx,auth_flow.start()') authorize_url = auth_flow.start() print print '-' * 72 print "1. Go to: " + authorize_url print "2. Click \"Allow\" (you might have to log in first)." print "3. Copy the authorization code." print '-' * 72 auth_code = raw_input("Enter the authorization code here: ").strip() try: log.Debug('dpbx,auth_flow.finish(%s)' % auth_code) access_token, _ = auth_flow.finish(auth_code) except Exception as e: raise BackendException('dpbx: Unable to obtain access token: %s' % e) log.Info("dpbx: Authentication successfull") self.save_access_token(access_token) def login(self): if self.load_access_token() is None: self.obtain_access_token() self.api_client = Dropbox(self.load_access_token()) self.api_account = None try: log.Debug('dpbx,users_get_current_account([token])') self.api_account = self.api_client.users_get_current_account() log.Debug("dpbx,%s" % self.api_account) except (BadInputError, AuthError) as e: log.Debug('dpbx,exception: %s' % e) log.Info("dpbx: Authentication failed. Trying to obtain new access token") self.obtain_access_token() # We're assuming obtain_access_token will throw exception. So this line should not be reached raise BackendException("dpbx: Please update DPBX_ACCESS_TOKEN and try again") log.Info("dpbx: Successfully authenticated as %s" % self.api_account.name.display_name) def _error_code(self, operation, e): if isinstance(e, ApiError): err = e.error if isinstance(err, GetMetadataError) and err.is_path(): if err.get_path().is_not_found(): return log.ErrorCode.backend_not_found elif isinstance(err, DeleteError) and err.is_path_lookup(): lookup = e.error.get_path_lookup() if lookup.is_not_found(): return log.ErrorCode.backend_not_found @command() def _put(self, source_path, remote_filename): remote_dir = urllib.unquote(self.parsed_url.path.lstrip('/')) remote_path = '/' + os.path.join(remote_dir, remote_filename).rstrip() file_size = os.path.getsize(source_path.name) f = source_path.open('rb') try: progress.report_transfer(0, file_size) buf = f.read(DPBX_UPLOAD_CHUNK_SIZE) log.Debug('dpbx,files_upload_session_start([%d bytes]), total: %d' % (len(buf), file_size)) upload_sid = self.api_client.files_upload_session_start(buf) log.Debug('dpbx,files_upload_session_start(): %s' % upload_sid) upload_cursor = UploadSessionCursor(upload_sid.session_id, f.tell()) commit_info = CommitInfo(remote_path, mode=WriteMode.overwrite, autorename=False, client_modified=None, mute=True) res_metadata = None progress.report_transfer(f.tell(), file_size) requested_offset = None current_chunk_size = DPBX_UPLOAD_CHUNK_SIZE retry_number = globals.num_retries # We're doing our own error handling and retrying logic because # we can benefit from Dpbx chunked upload and retry only failed chunk while (f.tell() < file_size) or not res_metadata: try: if requested_offset is not None: upload_cursor.offset = requested_offset if f.tell() != upload_cursor.offset: f.seek(upload_cursor.offset) buf = f.read(current_chunk_size) # reset temporary status variables requested_offset = None current_chunk_size = DPBX_UPLOAD_CHUNK_SIZE retry_number = globals.num_retries if len(buf) != 0: log.Debug('dpbx,files_upload_sesssion_append([%d bytes], offset=%d)' % (len(buf), upload_cursor.offset)) self.api_client.files_upload_session_append(buf, upload_cursor.session_id, upload_cursor.offset) else: log.Debug('dpbx,files_upload_sesssion_finish([%d bytes], offset=%d)' % (len(buf), upload_cursor.offset)) res_metadata = self.api_client.files_upload_session_finish(buf, upload_cursor, commit_info) upload_cursor.offset = f.tell() log.Debug('progress: %d of %d' % (upload_cursor.offset, file_size)) progress.report_transfer(upload_cursor.offset, file_size) except ApiError as e: error = e.error if isinstance(error, UploadSessionLookupError) and error.is_incorrect_offset(): # Server reports that we should send another chunk. Most likely this is caused by # network error during previous upload attempt. In such case we'll get expected offset # from server and it's enough to just seek() and retry again new_offset = error.get_incorrect_offset().correct_offset log.Debug('dpbx,files_upload_session_append: incorrect offset: %d (expected: %s)' % (upload_cursor.offset, new_offset)) if requested_offset is not None: # chunk failed even after seek attempt. Something strange and no safe way to recover raise BackendException("dpbx: unable to chunk upload") else: # will seek and retry requested_offset = new_offset continue raise except ConnectionError as e: log.Debug('dpbx,files_upload_session_append: %s' % e) retry_number -= 1 if retry_number == 0: raise # We don't know for sure, was partial upload successfull or not. So it's better to retry smaller amount to avoid extra reupload log.Info('dpbx: sleeping a bit before chunk retry') time.sleep(30) current_chunk_size = DPBX_UPLOAD_CHUNK_SIZE / 5 requested_offset = None continue if f.tell() != file_size: raise BackendException('dpbx: something wrong') log.Debug('dpbx,files_upload_sesssion_finish(): %s' % res_metadata) progress.report_transfer(f.tell(), file_size) # A few sanity checks if res_metadata.path_display != remote_path: raise BackendException('dpbx: result path mismatch: %s (expected: %s)' % (res_metadata.path_display, remote_path)) if res_metadata.size != file_size: raise BackendException('dpbx: result size mismatch: %s (expected: %s)' % (res_metadata.size, file_size)) finally: f.close() @command() def _get(self, remote_filename, local_path): remote_dir = urllib.unquote(self.parsed_url.path.lstrip('/')) remote_path = '/' + os.path.join(remote_dir, remote_filename).rstrip() log.Debug('dpbx,files_download(%s)' % remote_path) res_metadata, http_fd = self.api_client.files_download(remote_path) log.Debug('dpbx,files_download(%s): %s, %s' % (remote_path, res_metadata, http_fd)) file_size = res_metadata.size to_fd = None progress.report_transfer(0, file_size) try: to_fd = local_path.open('wb') for c in http_fd.iter_content(DPBX_DOWNLOAD_BUF_SIZE): to_fd.write(c) progress.report_transfer(to_fd.tell(), file_size) finally: if to_fd: to_fd.close() http_fd.close() # It's different from _query() check because we're not querying metadata again. # Since this check is free, it's better to have it here local_size = os.path.getsize(local_path.name) if local_size != file_size: raise BackendException("dpbx: wrong file size: %d (expected: %d)" % (local_size, file_size)) local_path.setdata() @command() def _list(self): # Do a long listing to avoid connection reset remote_dir = '/' + urllib.unquote(self.parsed_url.path.lstrip('/')).rstrip() log.Debug('dpbx.files_list_folder(%s)' % remote_dir) resp = self.api_client.files_list_folder(remote_dir) log.Debug('dpbx.list(%s): %s' % (remote_dir, resp)) res = [] while True: res.extend([entry.name for entry in resp.entries]) if not resp.has_more: break resp = self.api_client.files_list_folder_continue(resp.cursor) # Warn users of old version dpbx about automatically renamed files self.check_renamed_files(res) return res @command() def _delete(self, filename): remote_dir = urllib.unquote(self.parsed_url.path.lstrip('/')) remote_path = '/' + os.path.join(remote_dir, filename).rstrip() log.Debug('dpbx.files_delete(%s)' % remote_path) self.api_client.files_delete(remote_path) # files_permanently_delete seems to be better for backup purpose # but it's only available for Business accounts # self.api_client.files_permanently_delete(remote_path) @command() def _close(self): """close backend session? no! just "flush" the data""" log.Debug('dpbx.close():') @command() def _query(self, filename): remote_dir = urllib.unquote(self.parsed_url.path.lstrip('/')) remote_path = '/' + os.path.join(remote_dir, filename).rstrip() log.Debug('dpbx.files_get_metadata(%s)' % remote_path) info = self.api_client.files_get_metadata(remote_path) log.Debug('dpbx.files_get_metadata(%s): %s' % (remote_path, info)) return {'size': info.size} def check_renamed_files(self, file_list): bad_list = [x for x in file_list if DPBX_AUTORENAMED_FILE_RE.search(x) is not None] if len(bad_list) == 0: return log.Warn('-' * 72) log.Warn('Warning! It looks like there are automatically renamed files on backend') log.Warn('They were probably created when using older version of duplicity.') log.Warn('') log.Warn('Please check your backup consistency. Most likely you will need to choose') log.Warn('largest file from duplicity-* (number).gpg and remove brackets from its name.') log.Warn('') log.Warn('These files are not managed by duplicity at all and will not be') log.Warn('removed/rotated automatically.') log.Warn('') log.Warn('Affected files:') for x in bad_list: log.Warn('\t%s' % x) log.Warn('') log.Warn('In any case it\'s better to create full backup.') log.Warn('-' * 72)
class DropBoxStorage(Storage): """DropBox Storage class for Django pluggable storage system.""" CHUNK_SIZE = 4 * 1024 * 1024 def __init__(self, oauth2_access_token=None, root_path=None): oauth2_access_token = DROPBOX_OAUTH2_TOKEN self.root_path = DROPBOX_ROOT_PATH if oauth2_access_token is None: raise ImproperlyConfigured("Você deve configurar um token em DROPBOX_OAUTH2_TOKEN ou em settings.py") self.dbx = Dropbox(oauth2_access_token) def user_profile(self): self.dt = self.dbx.users_get_current_account() print(self.dt) def list_dir_and_files_all(self): try: self.dt = self.dbx.files_list_folder(self.root_path) print('DIRETÓRIOS\n') self.list_subdirs(self.dt) except: self.dt = self.dbx.files_get_metadata(self.root_path) print('ARQUIVOS\n') if (isinstance(self.dt, dropbox.files.FileMetadata)): print('FUNCIONA') file = self.list_files(self.dt) return file def list_subdirs(self, dt): for entry in self.dt.entries: i = entry.path_display print(i) def list_files(self): self.dt = self.dbx.files_get_metadata(self.root_path) file = self.dt.path_display print(file) return file def upload_file(self): #print('Uploading para pasta ', DROPBOX_ROOT_PATH_NEW) time = datetime.datetime.now() time = time.strftime("%Y%m%d%H%M%S") FILEPATH = self.simple_backup() with open(FILEPATH, 'rb') as f: self.dbx.files_upload(f.read(), DROPBOX_ROOT_PATH_NEW + '/' + time + '.dump') link = self.dbx.sharing_create_shared_link_with_settings(DROPBOX_ROOT_PATH_NEW + '/' + time + '.dump') url = link.url dl_url = re.sub(r"\?dl\=0", "?dl=1", url) return dl_url def upload_file_compress(self, filename=''): print('Uploading para pasta ', DROPBOX_ROOT_PATH_NEW) t = datetime.datetime.now() t.strftime("%Y%m%d%H%M%S") new_basename = os.path.basename(filename) with open(filename, 'rb') as f: self.dbx.files_upload(f.read(), DROPBOX_ROOT_PATH_NEW + '/' + new_basename) link = self.dbx.sharing_create_shared_link_with_settings( DROPBOX_ROOT_PATH_NEW + '/' + new_basename) url = link.url dl_url = re.sub(r"\?dl\=0", "?dl=1", url) return dl_url def download_file(self, file=''): self.file = (DROPBOX_ROOT_PATH + '/' + file) file_name = self.file.replace('/sistemaweb/backup/', '') print('\nDownloading... /data/backup/' + file_name) try: metadata, res = self.dbx.files_download(self.file) except: pass metadata, res = self.dbx.files_download(file) final_path = ROOT_DIR + '/data/backup/' + file_name f = open(final_path, "wb") f.write(res.content) f.close() if '.zip' in final_path or '.gz' in final_path: print('Arquivo compactado...efetuando descompressão de dados.') self.uncompress_file(final_path) new_basename = os.path.basename(final_path).replace('.gz', '') return new_basename return final_path def list_dirs_root_path(self): self.dt = self.dbx.files_list_folder(self.root_path) #print('ARQUIVOS ENCONTRADOS SERÃO LISTADOS ABAIXO:\n') dir = self.download_file(self.dt.entries[-1].path_display) #self.list_files_root_path(self.dt) return dir def list_files_all(self): self.dt = self.dbx.files_list_folder(self.root_path) #print('ARQUIVOS ENCONTRADOS SERÃO LISTADOS ABAIXO:\n') self.data = [] for entry in self.dt.entries: data = {} data['backup_link'] data['client_modified'] = entry.client_modified data['size'] = str(entry.size)+" bytes" t = entry.client_modified time = datetime.timedelta(hours=2) hora = datetime.datetime.strptime(str(t), '%Y-%m-%d %H:%M:%S') now = hora - time size = entry.size size = str(size)+' bytes' display = entry.path_display print(display, now , size) self.data.append(data) return self.data def simple_backup(self): g = dbbackup.get_connector() execute_from_command_line(["manage.py", "dbbackup", "-v", "1"]) filename = (ROOT_DIR + '/data/backup/' + g.generate_filename()) #print(filename) return filename def compress_file(self, filename='', n=''): if n == '': self.compress_all(filename) elif n == '1': file = self.compress_all(filename) action = self.upload_file_compress(file) return action def compress_all(self, filename): if 'C:' in filename: new_basename = os.path.basename(filename) file = (ROOT_DIR + '/data/backup/' + new_basename + '.gz') f = open(filename, 'rb') data = f.read() f = gzip.open(file, 'wb') f.write(data) f.close() #print('Arquivo compactado com sucesso!!!') return file else: filepath = (ROOT_DIR + '/data/backup/' + filename) file = (ROOT_DIR + '/data/backup/' + filename + '.gz') f = open(filepath, 'rb') data = f.read() f = gzip.open(file, 'wb') f.write(data) f.close() #print('Arquivo compactado com sucesso!!!') return file def uncompress_file(self, filename): if 'C:' in filename: new_basename = os.path.basename(filename).replace('.gz', '') local_file = (ROOT_DIR + '/data/backup/' + new_basename) f = gzip.open(filename, 'rb') data = f.read() f.close() f = open(local_file, 'wb') f.write(data) f.close() print('Arquivo descomprimido com sucesso!!!') else: local_file = (ROOT_DIR + '/data/backup/' + filename) new_basename = os.path.basename(filename).replace('.gz', '') file = (ROOT_DIR + '/data/backup/' + new_basename) f = gzip.open(local_file, 'rb') data = f.read() f.close() f = open(file, 'wb') f.write(data) f.close() print('Arquivo descomprimido com sucesso!!!') def restore_db(self, filepath=''): print("VEJA O FILEPATH: ",filepath) execute_from_command_line(["manage.py", "dbrestore", "-v", "1", "--noinput", "-i", filepath]) def restore(self): # faz a restauração do banco de dados a partir de um backup salvo na dropbox. file_name = DropBoxStorage().list_dirs_root_path() new_basename = file_name if '/' in file_name: basename = shutil.copy(file_name, ROOT_DIR + '/data/backup/') new_basename = os.path.basename(basename) DropBoxStorage().restore_db(new_basename) from django.core.management import call_command import django django.setup() call_command('dbrestore', '-v', '1', "--noinput", "-i", new_basename) #execute_from_command_line(["manage.py", "dbrestore", "-v", "1", "--noinput", "-i", new_basename]) """
def download(token, file_name, path='/'): dbx = Dropbox(token) meta, data = dbx.files_download(path+file_name) return data.content
def read_dbx_file(dbx_file_path): dbx_oauth = 'xXh2jnMU2-EAAAAAAAAZENzE7qh9xg_t45npARYvQY4sifKDsUWdq6R3_x2Lco2e' # dbx_oauth = input('Paster your HMS dropbox OAuth here: ') dbx = Dropbox(dbx_oauth) _, dbx_file = dbx.files_download(dbx_file_path) return StringIO(dbx_file.text)
class dropboxClient(object): ''' a class of methods to manage file storage on Dropbox API ''' # https://www.dropbox.com/developers/documentation/http/documentation _class_fields = { 'schema': { 'access_token': '', 'collection_name': 'labPack', 'record_key': 'obs/terminal/2016-03-17T17-24-51-687845Z.ogg', 'record_key_path': '/home/user/.config/collective-acuity-labpack/user-data/obs/terminal', 'record_key_comp': 'obs', 'previous_key': 'obs/terminal/2016-03-17T17-24-51-687845Z.yaml', 'secret_key': '6tZ0rUexOiBcOse2-dgDkbeY', 'prefix': 'obs/terminal', 'delimiter': '2016-03-17T17-24-51-687845Z.yaml', 'max_results': 1 }, 'components': { '.collection_name': { 'max_length': 255, 'must_not_contain': ['/', '^\\.'] }, '.record_key': { 'must_not_contain': [ '[^\\w\\-\\./]', '^\\.', '\\.$', '^/', '//' ] }, '.record_key_path': { 'max_length': 32767 }, '.record_key_comp': { 'max_length': 255 }, '.secret_key': { 'must_not_contain': [ '[\\t\\n\\r]' ] }, '.max_results': { 'min_value': 1, 'integer_data': True }, '.previous_key': { 'must_not_contain': [ '[^\\w\\-\\./]', '^\\.', '\\.$', '^/', '//' ] }, '.prefix': { 'must_not_contain': [ '[^\\w\\-\\./]', '^\\.', '\\.$', '^/', '//' ] } }, 'metadata': { 'record_optimal_bytes': 10000 * 1024, 'record_max_bytes': 150000 * 1024 } } def __init__(self, access_token, collection_name=''): ''' a method to initialize the dropboxClient class :param access_token: string with oauth2 access token for users account ''' title = '%s.__init__' % self.__class__.__name__ # construct input validation model self.fields = jsonModel(self._class_fields) # validate inputs input_fields = { 'access_token': access_token, 'collection_name': collection_name } for key, value in input_fields.items(): object_title = '%s(%s=%s)' % (title, key, str(value)) self.fields.validate(value, '.%s' % key, object_title) # workaround for module namespace conflict from sys import path as sys_path sys_path.append(sys_path.pop(0)) from dropbox import Dropbox from dropbox.files import FileMetadata, WriteMode, DeleteArg from dropbox.exceptions import ApiError sys_path.insert(0, sys_path.pop()) # construct dropbox client from labpack.compilers.objects import _method_constructor self.dropbox = Dropbox(oauth2_access_token=access_token) # construct dropbox objects self.objects = _method_constructor({ 'FileMetadata': FileMetadata, 'ApiError': ApiError, 'WriteMode': WriteMode, 'DeleteArg': DeleteArg }) # construct collection name self.collection_name = collection_name def _import(self, record_key, record_data, overwrite=True, last_modified=0.0, **kwargs): ''' a helper method for other storage clients to import into appdata :param record_key: string with key for record :param record_data: byte data for body of record :param overwrite: [optional] boolean to overwrite existing records :param last_modified: [optional] float to record last modified date :param kwargs: [optional] keyword arguments from other import methods :return: boolean indicating whether record was imported ''' title = '%s._import' % self.__class__.__name__ # check overwrite if not overwrite: if self.exists(record_key): return False # check max size import sys record_max = self.fields.metadata['record_max_bytes'] record_size = sys.getsizeof(record_data) error_prefix = '%s(record_key="%s", record_data=b"...")' % (title, record_key) if record_size > record_max: raise ValueError('%s exceeds maximum record data size of %s bytes.' % (error_prefix, record_max)) # TODO: apply session upload for files greater than record_max # construct upload kwargs upload_kwargs = { 'f': record_data, 'path': '/%s' % record_key, 'mute': True, 'mode': self.objects.WriteMode.overwrite } # modify file time import re if re.search('\\.drep$', record_key): from labpack.records.time import labDT drep_time = labDT.fromEpoch(1) upload_kwargs['client_modified'] = drep_time elif last_modified: from labpack.records.time import labDT mod_time = labDT.fromEpoch(last_modified) upload_kwargs['client_modified'] = mod_time # send upload request try: self.dropbox.files_upload(**upload_kwargs) except: raise DropboxConnectionError(title) return True def _walk(self, root_path=''): ''' an iterator method which walks the file structure of the dropbox collection ''' title = '%s._walk' % self.__class__.__name__ if root_path: root_path = '/%s' % root_path try: response = self.dropbox.files_list_folder(path=root_path, recursive=True) for record in response.entries: if not isinstance(record, self.objects.FileMetadata): continue yield record.path_display[1:] if response.has_more: while response.has_more: response = self.dropbox.files_list_folder_continue(response.cursor) for record in response.entries: if not isinstance(record, self.objects.FileMetadata): continue yield record.path_display[1:] except: raise DropboxConnectionError(title) def exists(self, record_key): ''' a method to determine if a record exists in collection :param record_key: string with key of record :return: boolean reporting status ''' title = '%s.exists' % self.__class__.__name__ # validate inputs input_fields = { 'record_key': record_key } for key, value in input_fields.items(): object_title = '%s(%s=%s)' % (title, key, str(value)) self.fields.validate(value, '.%s' % key, object_title) # send get metadata request file_path = '/%s' % record_key try: self.dropbox.files_get_metadata(file_path) except Exception as err: if str(err).find("LookupError('not_found'") > -1: return False else: raise DropboxConnectionError(title) return True def save(self, record_key, record_data, overwrite=True, secret_key=''): ''' a method to create a record in the collection folder :param record_key: string with name to assign to record (see NOTES below) :param record_data: byte data for record body :param overwrite: [optional] boolean to overwrite records with same name :param secret_key: [optional] string with key to encrypt data :return: string with name of record NOTE: record_key may only contain alphanumeric, /, _, . or - characters and may not begin with the . or / character. NOTE: using one or more / characters splits the key into separate segments. these segments will appear as a sub directories inside the record collection and each segment is used as a separate index for that record when using the list method eg. lab/unittests/1473719695.2165067.json is indexed: [ 'lab', 'unittests', '1473719695.2165067', '.json' ] ''' title = '%s.save' % self.__class__.__name__ # validate inputs input_fields = { 'record_key': record_key, 'secret_key': secret_key } for key, value in input_fields.items(): if value: object_title = '%s(%s=%s)' % (title, key, str(value)) self.fields.validate(value, '.%s' % key, object_title) # validate byte data if not isinstance(record_data, bytes): raise ValueError('%s(record_data=b"...") must be byte data.' % title) # construct and validate file path file_root, file_name = os.path.split(record_key) self.fields.validate(file_name, '.record_key_comp') while file_root: file_root, path_node = os.path.split(file_root) self.fields.validate(path_node, '.record_key_comp') # check overwrite exception if not overwrite: if self.exists(record_key): raise Exception('%s(record_key="%s") already exists. To overwrite, set overwrite=True' % (title, record_key)) # check size of file import sys record_optimal = self.fields.metadata['record_optimal_bytes'] record_max = self.fields.metadata['record_max_bytes'] record_size = sys.getsizeof(record_data) error_prefix = '%s(record_key="%s", record_data=b"...")' % (title, record_key) if record_size > record_max: raise ValueError('%s exceeds maximum record data size of %s bytes.' % (error_prefix, record_max)) elif record_size > record_optimal: print('[WARNING] %s exceeds optimal record data size of %s bytes.' % (error_prefix, record_optimal)) # TODO add upload session for support of files over 150MB # http://dropbox-sdk-python.readthedocs.io/en/latest/moduledoc.html#dropbox.dropbox.Dropbox.files_upload_session_start # encrypt data if secret_key: from labpack.encryption import cryptolab record_data, secret_key = cryptolab.encrypt(record_data, secret_key) # construct upload kwargs upload_kwargs = { 'f': record_data, 'path': '/%s' % record_key, 'mute': True, 'mode': self.objects.WriteMode.overwrite } # modify file time import re if re.search('\\.drep$', file_name): from labpack.records.time import labDT drep_time = labDT.fromEpoch(1) upload_kwargs['client_modified'] = drep_time # send upload request try: self.dropbox.files_upload(**upload_kwargs) except: raise DropboxConnectionError(title) return record_key def load(self, record_key, secret_key=''): ''' a method to retrieve byte data of appdata record :param record_key: string with name of record :param secret_key: [optional] string used to decrypt data :return: byte data for record body ''' title = '%s.load' % self.__class__.__name__ # validate inputs input_fields = { 'record_key': record_key, 'secret_key': secret_key } for key, value in input_fields.items(): if value: object_title = '%s(%s=%s)' % (title, key, str(value)) self.fields.validate(value, '.%s' % key, object_title) # construct file path file_path = '/%s' % record_key # request file data try: metadata, response = self.dropbox.files_download(file_path) except Exception as err: if str(err).find("LookupError('not_found'") > -1: raise Exception('%s(record_key=%s) does not exist.' % (title, record_key)) else: raise DropboxConnectionError(title) record_data = response.content # decrypt (if necessary) if secret_key: from labpack.encryption import cryptolab record_data = cryptolab.decrypt(record_data, secret_key) return record_data def conditional_filter(self, path_filters): ''' a method to construct a conditional filter function for list method :param path_filters: dictionary or list of dictionaries with query criteria :return: filter_function object path_filters: [ { 0: { conditional operators }, 1: { conditional_operators }, ... } ] conditional operators: "byte_data": false, "discrete_values": [ "" ], "excluded_values": [ "" ], "greater_than": "", "less_than": "", "max_length": 0, "max_value": "", "min_length": 0, "min_value": "", "must_contain": [ "" ], "must_not_contain": [ "" ], "contains_either": [ "" ] ''' title = '%s.conditional_filter' % self.__class__.__name__ from labpack.compilers.filters import positional_filter filter_function = positional_filter(path_filters, title) return filter_function def list(self, prefix='', delimiter='', filter_function=None, max_results=1, previous_key=''): ''' a method to list keys in the dropbox collection :param prefix: string with prefix value to filter results :param delimiter: string with value which results must not contain (after prefix) :param filter_function: (positional arguments) function used to filter results :param max_results: integer with maximum number of results to return :param previous_key: string with key in collection to begin search after :return: list of key strings NOTE: each key string can be divided into one or more segments based upon the / characters which occur in the key string as well as its file extension type. if the key string represents a file path, then each directory in the path, the file name and the file extension are all separate indexed values. eg. lab/unittests/1473719695.2165067.json is indexed: [ 'lab', 'unittests', '1473719695.2165067', '.json' ] it is possible to filter the records in the collection according to one or more of these path segments using a filter_function. NOTE: the filter_function must be able to accept an array of positional arguments and return a value that can evaluate to true or false. while searching the records, list produces an array of strings which represent the directory structure in relative path of each key string. if a filter_function is provided, this list of strings is fed to the filter function. if the function evaluates this input and returns a true value the file will be included in the list results. ''' title = '%s.list' % self.__class__.__name__ # validate input input_fields = { 'prefix': prefix, 'delimiter': delimiter, 'max_results': max_results, 'previous_key': previous_key } for key, value in input_fields.items(): if value: object_title = '%s(%s=%s)' % (title, key, str(value)) self.fields.validate(value, '.%s' % key, object_title) # validate filter function if filter_function: try: path_segments = [ 'lab', 'unittests', '1473719695.2165067', '.json' ] filter_function(*path_segments) except: err_msg = '%s(filter_function=%s)' % (title, filter_function.__class__.__name__) raise TypeError('%s must accept positional arguments.' % err_msg) # construct empty results list results_list = [] check_key = True if previous_key: check_key = False # determine root path root_path = '' if prefix: from os import path root_path, file_name = path.split(prefix) # iterate over dropbox files for file_path in self._walk(root_path): path_segments = file_path.split(os.sep) record_key = os.path.join(*path_segments) record_key = record_key.replace('\\','/') if record_key == previous_key: check_key = True # find starting point if not check_key: continue # apply prefix filter partial_key = record_key if prefix: if record_key.find(prefix) == 0: partial_key = record_key[len(prefix):] else: continue # apply delimiter filter if delimiter: if partial_key.find(delimiter) > -1: continue # apply filter function if filter_function: if filter_function(*path_segments): results_list.append(record_key) else: results_list.append(record_key) # return results list if len(results_list) == max_results: return results_list return results_list def delete(self, record_key): ''' a method to delete a file :param record_key: string with name of file :return: string reporting outcome ''' title = '%s.delete' % self.__class__.__name__ # validate inputs input_fields = { 'record_key': record_key } for key, value in input_fields.items(): object_title = '%s(%s=%s)' % (title, key, str(value)) self.fields.validate(value, '.%s' % key, object_title) # validate existence of file if not self.exists(record_key): exit_msg = '%s does not exist.' % record_key return exit_msg # remove file current_dir = os.path.split(record_key)[0] try: file_path = '/%s' % record_key self.dropbox.files_delete(file_path) except: raise DropboxConnectionError(title) # remove empty directories in path to file try: while current_dir: folder_path = '/%s' % current_dir response = self.dropbox.files_list_folder(folder_path) if not response.entries: self.dropbox.files_delete(folder_path) current_dir = os.path.split(current_dir)[0] else: break except: raise DropboxConnectionError(title) exit_msg = '%s has been deleted.' % record_key return exit_msg def remove(self): ''' a method to remove all records in the collection NOTE: this method removes all the files in the collection, but the collection folder itself created by oauth2 cannot be removed. only the user can remove the app folder :return: string with confirmation of deletion ''' title = '%s.remove' % self.__class__.__name__ # get contents in root try: response = self.dropbox.files_list_folder(path='') except: raise DropboxConnectionError(title) # populate delete list delete_list = [] for file in response.entries: delete_list.append(self.objects.DeleteArg(path=file.path_display)) # continue retrieval if folder is large if response.has_more: try: while response.has_more: response = self.dropbox.files_list_folder_continue(response.cursor) for file in response.entries: delete_list.append(self.objects.DeleteArg(path=file.path_display)) except: raise DropboxConnectionError(title) # send batch delete request try: self.dropbox.files_delete_batch(delete_list) except: raise DropboxConnectionError(title) # return outcome insert = 'collection' if self.collection_name: insert = self.collection_name exit_msg = 'Contents of %s will been removed from Dropbox.' % insert return exit_msg def export(self, storage_client, overwrite=True): ''' a method to export all the records in collection to another platform :param storage_client: class object with storage client methods :return: string with exit message ''' title = '%s.export' % self.__class__.__name__ # validate storage client method_list = [ 'save', 'load', 'list', 'export', 'delete', 'remove', '_import', 'collection_name' ] for method in method_list: if not getattr(storage_client, method, None): from labpack.parsing.grammar import join_words raise ValueError('%s(storage_client=...) must be a client object with %s methods.' % (title, join_words(method_list))) # walk collection folder to find files import os count = 0 skipped = 0 for file_path in self._walk(): path_segments = file_path.split(os.sep) record_key = os.path.join(*path_segments) record_key = record_key.replace('\\','/') file_path = '/%s' % file_path # retrieve data and metadata try: metadata, response = self.dropbox.files_download(file_path) except: raise DropboxConnectionError(title) record_data = response.content client_modified = metadata.client_modified # import record into storage client last_modified = 0.0 if client_modified: from dateutil.tz import tzutc from labpack.records.time import labDT last_modified = labDT.fromPython(client_modified.replace(tzinfo=tzutc())).epoch() outcome = storage_client._import(record_key, record_data, overwrite=overwrite, last_modified=last_modified) if outcome: count += 1 else: skipped += 1 # report outcome plural = '' skip_insert = '' new_folder = storage_client.collection_name if count != 1: plural = 's' if skipped > 0: skip_plural = '' if skipped > 1: skip_plural = 's' skip_insert = ' %s record%s skipped to avoid overwrite.' % (str(skipped), skip_plural) exit_msg = '%s record%s exported to %s.%s' % (str(count), plural, new_folder, skip_insert) return exit_msg
class DropboxConnection(object): class Parameters(object): def __init__(self, auth_token, remote_dir_path): self._auth_token = auth_token self._remote_dir_path = remote_dir_path @property def auth_token(self): return self._auth_token @property def remote_dir_path(self): return constants.DROPBOX_APP_PATH_PREFIX / self._remote_dir_path def __str__(self): return """ remote_dir_path: {} """.format(self.remote_dir_path) @classmethod def get_client_from_params(cls, dropbox_parameters): #Dropbox connection placeholder dropbox = None if dropbox_parameters: dropbox_params = DropboxConnection.Parameters( dropbox_parameters[0], dropbox_parameters[1]) dropbox = DropboxConnection(dropbox_params) return dropbox @classmethod def get_client(cls, auth_token, remote_dir_path): #Initialize the paramters params = DropboxConnection.Parameters(auth_token, remote_dir_path) #Create dropbox client client = DropboxConnection(params) return client def __init__(self, params): #Required parameters self._params = params #Derived parameters self._client = Dropbox(self._params.auth_token) #Logging self._logger = logging.get_logger(__name__) def upload(self, source_file_path): """It upload the source files to the dropbox. Arguments: source_file_path {string} -- The source file path. Raises: ValueError -- It raise value error for invalid files. """ #Validate parameters if not source_file_path: raise ValueError("Invalid source file path") with open(source_file_path, 'rb') as handle: #Source file name source_file_name = Path(source_file_path).name #Remote path remote_file_path = (self._params.remote_dir_path / source_file_name).as_posix() #File size upload_size = path.getsize(source_file_path) #Upload the files based on the upload size if upload_size <= constants.DROPBOX_CHUNK_SIZE: self._logger.info( 'Preparing to upload small file: %s with size: %d to: %s', source_file_path, upload_size, remote_file_path) self._upload_small_file(handle, remote_file_path) else: self._logger.info( 'Preparing to upload large file: %s with size: %d to: %s', source_file_path, upload_size, remote_file_path) self._upload_large_file(handle, upload_size, remote_file_path) self._logger.info('Uploaded: %s', source_file_path) def _upload_small_file(self, handle, remote_file_path): """It uploads a small source files to the dropbox. Arguments: handle {A File handle} -- The source file handle. remote_file_path {string} -- The destination path of the file. """ self._client.files_upload(handle.read(), remote_file_path, mode=Dropbox_WriteMode.overwrite) def _upload_large_file(self, handle, upload_size, remote_file_path): """It uploads a large source files to the dropbox. Arguments: handle {A File handle} -- The source file handle. upload_size {int} -- The number of bytes to be uploaded. remote_file_path {string} -- The destination path of the file. """ #Upload session session = self._client.files_upload_session_start( handle.read(constants.DROPBOX_CHUNK_SIZE)) cursor = Dropbox_UploadSessionCursor(session_id=session.session_id, offset=handle.tell()) #Upload look with tqdm(desc='Uploading: {}'.format(remote_file_path), total=upload_size) as pbar: #Update the progress bar for the session start reads pbar.update(handle.tell()) while handle.tell() < upload_size: #Calculate remaining bytes remaining_bytes = upload_size - handle.tell() #If it is the last chunk, finalize the upload if remaining_bytes <= constants.DROPBOX_CHUNK_SIZE: #Commit info commit = Dropbox_CommitInfo( path=remote_file_path, mode=Dropbox_WriteMode.overwrite) #Finish upload self._client.files_upload_session_finish( handle.read(remaining_bytes), cursor, commit) #Update progress pbar.update(remaining_bytes) #More than chunk size remaining to upload else: self._client.files_upload_session_append_v2( handle.read(constants.DROPBOX_CHUNK_SIZE), cursor) #Update the cursor cursor.offset = handle.tell() #Update the progress pbar.update(constants.DROPBOX_CHUNK_SIZE) #Refresh the progress bar pbar.refresh() def download(self, remote_file_path): """It downloads the remote files from the dropbox. Arguments: remote_file_path {Path} -- The path to the remote file. Raises: ValueError -- It raise value error for invalid file name. """ #Validate parameters if not remote_file_path: raise ValueError("Invalid remote file path") #Destination file path dest_file_path = remote_file_path #Full remote file path remote_file_path = self._params.remote_dir_path / remote_file_path #Download file size placeholder download_size = 0 try: download_size = self._client.files_get_metadata( remote_file_path.as_posix()).size except ApiError as e: raise FileNotFoundError( 'File: {} is not found'.format(remote_file_path.as_posix()), e) self._logger.info('Preparing file download: %s with size: %d to: %s', remote_file_path, download_size, dest_file_path) #Download the file self._download_file(dest_file_path, remote_file_path, download_size) self._logger.info('Completed the file download: %s to: %s', remote_file_path, dest_file_path) def _download_file(self, dest_file_path, remote_file_path, download_size): """It downloads the remote files from the dropbox. Arguments: remote_file_path {A Path object} -- The path of the remote file. dest_file_path {string} -- The destination file path. download_size {int} -- The number of bytes to be downloaded. """ #Download _, result = self._client.files_download(remote_file_path.as_posix()) #Temporary dest_file_name tmp_dest_file_path = "{}.tmp".format(dest_file_path) with open(tmp_dest_file_path, 'wb') as handle: with tqdm(desc='Downloading: {}'.format( remote_file_path.as_posix()), total=download_size) as pbar: for bytes_read in result.iter_content( constants.DROPBOX_CHUNK_SIZE): handle.write(bytes_read) #Update the progress pbar.update(len(bytes_read)) if Path(tmp_dest_file_path).exists(): rename(tmp_dest_file_path, dest_file_path) def list(self, dir_path=Path(), file_name_prefix=''): """It lists the files in the dropbox folder that starts with the given prefix. Arguments: file_name_prefix {string} -- The prefix to filter the results. """ #Candidate directory whose contents are to be listed candidate_dir_path = self._params.remote_dir_path / dir_path self._logger.info('Enumerating: %s with file_name_prefix: %s', candidate_dir_path, file_name_prefix) #Call the downstream API response = self._client.files_list_folder( candidate_dir_path.as_posix()) #Output list placeholder files = [] sizes = [] if response.entries: #Log the response summary self._logger.info('Got %d files in: %s', len(response.entries), candidate_dir_path) #Extract the name of files satisfying the input criteria from the response entries. file_infos = [(dir_path / entry.name, entry.size) for entry in response.entries if entry.name.startswith(file_name_prefix)] files, sizes = zip(*file_infos) return files, sizes
class DropboxPersister(Persister): """ A persister for dropbox. You need to have the python connector (if you don't: pip install dropbox) You also need to have a token for your dropbox app. If you don't it's a google away. Finally, for the test below, you need to put this token in ~/.py2store_configs.json' under key dropbox.__init__kwargs, and have a folder named /py2store_data/test/ in your app space. >>> import json >>> import os >>> >>> configs = json.load(open(os.path.expanduser('~/.py2store_configs.json'))) >>> s = DropboxPersister('/py2store_data/test/', **configs['dropbox']['__init__kwargs']) >>> if '/py2store_data/test/_can_remove' in s: ... del s['/py2store_data/test/_can_remove'] ... >>> >>> n = len(s) >>> if n == 1: ... assert list(s) == ['/py2store_data/test/_can_remove'] ... >>> s['/py2store_data/test/_can_remove'] = b'this is a test' >>> assert len(s) == n + 1 >>> assert s['/py2store_data/test/_can_remove'] == b'this is a test' >>> '/py2store_data/test/_can_remove' in s True >>> del s['/py2store_data/test/_can_remove'] """ def __init__( self, rootdir, oauth2_access_token, connection_kwargs=None, files_upload_kwargs=None, files_list_folder_kwargs=None, rev=None, ): if connection_kwargs is None: connection_kwargs = {} if files_upload_kwargs is None: files_upload_kwargs = {"mode": WriteMode.overwrite} if files_list_folder_kwargs is None: files_list_folder_kwargs = { "recursive": True, "include_non_downloadable_files": False, } self._prefix = rootdir self._con = Dropbox(oauth2_access_token, **connection_kwargs) self._connection_kwargs = connection_kwargs self._files_upload_kwargs = files_upload_kwargs self._files_list_folder_kwargs = files_list_folder_kwargs self._rev = rev # TODO: __len__ is taken from Persister, which iterates and counts. Not efficient. Find direct api for this! def __iter__(self): r = self._con.files_list_folder(self._prefix) yield from (x.path_display for x in r.entries) cursor = r.cursor if r.has_more: r = self._con.files_list_folder_continue(cursor) yield from (x.path_display for x in r.entries) def __getitem__(self, k): try: metadata, contents_response = self._con.files_download(k) except ApiError as e: if _is_file_not_found_error(e): raise KeyError(f"Key doesn't exist: {k}") raise if not contents_response.status_code: raise ValueError( "Response code wasn't 200 when trying to download a file (yet the file seems to exist)." ) return contents_response.content def __setitem__(self, k, v): return self._con.files_upload(v, k, **self._files_upload_kwargs) def __delitem__(self, k): return self._con.files_delete_v2(k, self._rev)
class DropboxPersister(Persister): """ A persister for dropbox. You need to have the python connector (if you don't: pip install dropbox) You also need to have a token for your dropbox app. If you don't it's a google away. Finally, for the test below, you need to put this token in ~/.py2store_configs.json' under key dropbox.__init__kwargs, and have a folder named /py2store_data/test/ in your app space. >>> import json >>> import os >>> >>> configs = json.load(open(os.path.expanduser('~/.py2store_configs.json'))) >>> s = DropboxPersister('/py2store_data/test/', **configs['dropbox']['__init__kwargs']) >>> if '/py2store_data/test/_can_remove' in s: ... del s['/py2store_data/test/_can_remove'] ... >>> >>> n = len(s) >>> if n == 1: ... assert list(s) == ['/py2store_data/test/_can_remove'] ... >>> s['/py2store_data/test/_can_remove'] = b'this is a test' >>> assert len(s) == n + 1 >>> assert s['/py2store_data/test/_can_remove'] == b'this is a test' >>> '/py2store_data/test/_can_remove' in s True >>> del s['/py2store_data/test/_can_remove'] """ def __init__(self, rootdir, oauth2_access_token, connection_kwargs=None, files_upload_kwargs=None, files_list_folder_kwargs=None, rev=None): if connection_kwargs is None: connection_kwargs = {} if files_upload_kwargs is None: files_upload_kwargs = {'mode': WriteMode.overwrite} if files_list_folder_kwargs is None: files_list_folder_kwargs = { 'recursive': True, 'include_non_downloadable_files': False } self._prefix = rootdir self._con = Dropbox(oauth2_access_token, **connection_kwargs) self._connection_kwargs = connection_kwargs self._files_upload_kwargs = files_upload_kwargs self._files_list_folder_kwargs = files_list_folder_kwargs self._rev = rev # TODO: __len__ is taken from Persister, which iterates and counts. Not efficient. Find direct api for this! def __iter__(self): r = self._con.files_list_folder(self._prefix) yield from (x.path_display for x in r.entries) cursor = r.cursor if r.has_more: r = self._con.files_list_folder_continue(cursor) yield from (x.path_display for x in r.entries) def __getitem__(self, k): try: metadata, contents_response = self._con.files_download(k) except ApiError as err: if _is_file_not_found_error(err): raise KeyError(f"Key doesn't exist: {k}") else: raise ValueError( "Some unknown error happened (sorry, the lazy dev didn't tell me more than that)." ) if contents_response.status_code: return contents_response.content else: raise ValueError( "Response code wasn't 200 when trying to download a file (yet the file seems to exist)." ) def __setitem__(self, k, v): return self._con.files_upload(v, k, **self._files_upload_kwargs) def __delitem__(self, k): return self._con.files_delete_v2(k, self._rev) # def _entry_is_dir(entry): # return not hasattr(entry, 'is_downloadable') # # # def _entry_is_file(entry): # return hasattr(entry, 'is_downloadable') # # # def _extend_path(path, extension): # extend_path = '/' + path + '/' + extension + '/' # extend_path.replace('//', '/') # return extend_path # # # class DropboxLinkPersister(DropboxPersister): # def __init__(self, url, oauth2_access_token): # self._con = Dropbox(oauth2_access_token) # self.url = url # self.shared_link = SharedLink(url=url) # # def _yield_from_files_list_folder(self, path, path_gen): # """ # yield paths from path_gen, which can be a files_list_folder or a files_list_folder_continue, # in a depth search manner. # """ # for x in path_gen.entries: # try: # if _entry_is_file(x): # yield x.name # else: # folder_path = _extend_path(path, x.name) # yield from self._get_path_gen_from_path(path=folder_path) # except Exception as e: # print(e) # if path_gen.has_more: # yield from self._get_path_gen_from_cursor(path_gen.cursor, path=path) # # def _get_path_gen_from_path(self, path): # path_gen = self._con.files_list_folder(path=path, recursive=False, shared_link=self.shared_link) # yield from self._yield_from_files_list_folder(path, path_gen) # # def _get_path_gen_from_cursor(self, cursor, path): # path_gen = self._con.files_list_folder_continue(cursor) # yield from self._yield_from_files_list_folder(path, path_gen) # # def __iter__(self): # yield from self._get_path_gen_from_path(path='')