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Declaratively defining then:

  • constructing and
  • serializing

fixed sized records that are composed of:

  • typed
  • fixed sized

fields. This might look e.g. like:

import datetime

import bryl

class MyRecord(bryl.Record):

  a = bryl.Alphanumeric(length=20)

  b = bryl.Date('YYYYMMDD')

  c = bryl.Numeric(length=10, align=bryl.Field.LEFT)

  filler = bryl.Alphanumeric(length=10).reserved()

r = MyRecord(
assert isinstance(r, dict)
print MyRecord.c.offset, MyRecord.c.length
assert MyRecord.load(r.dump()) == r

Some applications:


$ pip install bryl


$ git clone
$ cd bryl
$ mkvirtualenv bryl
(bryl)$ pip install -e .[tests]
(bryl)$ py.test


Now that all tests are passing:

  • Update bryl.__version__ to new {version}.
  • Commit that git commit -am "Release v{version}"
  • Tag it git tag -a v{version} -v  v{version}
  • Push it git push origin --tags

and travis will take it from there.

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