AIOFileOpen

Zusammenfassung

Opens a local or cloud file handle that supports context manager protocol.

Syntax

AIOFileOpen (path, {mode}, {encoding}, {mime})

Parameter	Erläuterung	Datentyp
path	The relative path from the current working directory or an absolute path (absolute vsi path for cloud).	String
mode	Specifies the mode that will be used for opening a file. r—The file will be opened in read mode. w—The file will be opened in write mode rb—The file will be opened in binary format for reading. wb—The file will be opened in binary format for writing Hinweis: Only read mode honors the encoding parameter. (Der Standardwert ist 'r')	String
encoding	Specifies the encoding that will be used to open a file. utf-8—UTF-8 encoding will be used. This is the default. utf-16—UTF-16 encoding will be used. ascii—ASCII encoding will be used. (Der Standardwert ist 'utf-8')	String
mime	The Multipurpose Internet Mail Extensions (MIME) headers. For faster creation and setting of metadata, set MIME headers when creating the file. (Der Standardwert ist None)	Dictionary

Rückgabewert

Datentyp	Erläuterung
Object	Returns the file handler as an AIOFile object.

Codebeispiel

# For opening a file in the cloud store
with AIOFileOpen(r"C:\data\datacloud.acs\datafile.txt", 'r') as rcsfile:
    rcsfile.seek(5)
    rcsfile.tell()
    print(rcsfile.read(4))

# For opening a local file
with AIOFileOpen(r"C:\data\datafile.txt", 'r') as rcsfile:
    rcsfile.seek(5)
    rcsfile.tell()
    print(rcsfile.read(4))