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Simple bencode parser (for Python 2, Python 3 and PyPy)

Project description

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Simple bencode parser (for Python 2, Python 3 and PyPy), forked from the bencode package by Thomas Rampelberg.

Usage

Encode:

>>> import bencodepy

>>> bencodepy.encode({'title': 'Example'})
b'd5:title7:Examplee'

>>> bencodepy.encode(12)
b'i12e'

Decode:

>>> import bencodepy

>>> bencodepy.decode('d5:title7:Examplee')
{b'title': b'Example'}

>>> bencodepy.decode('i12e')
12

Decode to UTF-8:

>>> import bencodepy

>>> bc = bencodepy.Bencode(
    encoding='utf-8'
)

>>> bc.decode('d5:title7:Examplee')
{'title': 'Example'}

bencode

(legacy, backwards-compatible package)

This package will continue to be provided for backwards-compatibility, but upgrading to bencodepy is recommended for more reliable decoding results.

Under-the-hood this just provides proxies to a Bencode instance created with:

Bencode(
    encoding='utf-8',
    encoding_fallback='value',
    dict_ordered=True,
    dict_ordered_sort=True
)

Encode:

>>> import bencode

>>> bencode.encode({'title': 'Example'})
'd5:title7:Examplee'

>>> bencode.encode(12)
'i12e'

Decode:

>>> import bencode

>>> bencode.decode('d5:title7:Examplee')
OrderedDict([(u'title', u'Example')])

>>> bencode.decode('i12e')
12

API

bencodepy.Bencode(encoding=None, encoding_fallback=None, dict_ordered=False, dict_ordered_sort=False)

Create instance

  • encoding

    Encoding to decode strings with (or None for binary)

  • encoding_fallback

    Fallback to binary when decoding fails on the specified string types.

    • key - dictionary keys

    • value - values

    • all - always fallback to binary

    • None - always raise decoding errors

  • dict_ordered

    Use OrderedDict

  • dict_ordered_sort

    Ensure OrderedDict is sorted

Methods:

  • decode(value)

    Decode bencode string value.

  • encode(value)

    Encode value into a bencode string.

  • read(fd)

    Decode bencode from file or path fd.

  • write(data, fd)

    Encode data to file or path fd.

bencodepy.BencodeDecoder(encoding=None, encoding_fallback=None, dict_ordered=False, dict_ordered_sort=False)

Create decoder

  • encoding

    Encoding to decode strings with (or None for binary)

  • encoding_fallback

    Fallback to binary when decoding fails on the specified string types.

    • key - dictionary keys

    • value - values

    • all - always fallback to binary

    • None - always raise decoding errors

  • dict_ordered

    Use OrderedDict

  • dict_ordered_sort

    Ensure OrderedDict is sorted

Methods:

  • decode(value)

    Decode bencode string value.

bencodepy.BencodeEncoder()

Create encoder

Methods:

  • encode(value)

    Encode value into a bencode string.

bencodepy.bencode(value)

bencodepy.encode(value)

Encode value into a bencode string with the default encoder.

bencodepy.bdecode(value)

bencodepy.decode(value)

Decode bencode string value with the default decoder.

bencodepy.bread(fd)

Decode bencode from file or path fd with the default decoder.

bencodepy.bwrite(data, fd)

Encode data to file or path fd with the default encoder.

bencode

bencode.bencode(value)

bencode.encode(value)

Encode value into the bencode format.

bencode.bdecode(value)

bencode.decode(value)

Decode bencode formatted string value.

bencode.bread(fd)

Read bencode formatted string from file or path fd.

bencode.bwrite(data, fd)

Write data as a bencode formatted string to file or path fd.

Project details


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