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# Copyright 2000 by Jeffrey Chang. All rights reserved.
# This code is part of the Biopython distribution and governed by its
# license. Please see the LICENSE file that should have been included
# as part of this package.
"""Collection of modules for dealing with biological data in Python.
The Biopython Project is an international association of developers
of freely available Python tools for computational molecular biology.
http://biopython.org
"""
__docformat__ = "epytext en" # not just plaintext
__version__ = "1.64"
class MissingExternalDependencyError(Exception):
"""Missing an external dependency.
Used for things like missing command line tools. Important for our unit
tests to allow skipping tests with missing external dependencies.
"""
pass
class MissingPythonDependencyError(MissingExternalDependencyError, ImportError):
"""Missing an external python dependency (subclass of ImportError).
Used for missing Python modules (rather than just a typical ImportError).
Important for our unit tests to allow skipping tests with missing external
python dependencies, while also allowing the exception to be caught as an
ImportError.
"""
pass
class BiopythonWarning(Warning):
"""Biopython warning.
Biopython should use this warning (or subclasses of it), making it easy to
silence all our warning messages should you wish to:
>>> import warnings
>>> from Bio import BiopythonWarning
>>> warnings.simplefilter('ignore', BiopythonWarning)
Consult the warnings module documentation for more details.
"""
pass
class BiopythonParserWarning(BiopythonWarning):
"""Biopython parser warning.
Some in-valid data files cannot be parsed and will trigger an exception.
Where a reasonable interpretation is possible, Biopython will issue this
warning to indicate a potential problem. To silence these warnings, use:
>>> import warnings
>>> from Bio import BiopythonParserWarning
>>> warnings.simplefilter('ignore', BiopythonParserWarning)
Consult the warnings module documentation for more details.
"""
pass
class BiopythonDeprecationWarning(BiopythonWarning):
"""Biopython deprecation warning.
Biopython uses this warning instead of the built in DeprecationWarning
since those are ignored by default since Python 2.7.
To silence all our deprecation warning messages, use:
>>> import warnings
>>> from Bio import BiopythonDeprecationWarning
>>> warnings.simplefilter('ignore', BiopythonDeprecationWarning)
Code marked as deprecated is likely to be removed in a future version
of Biopython. To avoid removal of this code, please contact the Biopython
developers by sending an email to biopython-dev@biopython.org.
"""
pass
class BiopythonExperimentalWarning(BiopythonWarning):
"""Biopython experimental code warning.
Biopython uses this warning for experimental code ('alpha' or 'beta'
level code) which is released as part of the standard releases to mark
sub-modules or functions for early adopters to test & give feedback..
Code issuing this warning is likely to change (or even be removed) in
a subsequent release of Biopython. Such code should NOT be used for
production/stable code. It should only be used if:
- You are running the latest release of Biopython, or ideally the
latest code from our repository.
- You are subscribed to the biopython-dev mailing list to provide
feedback on this code, and to be alterted to changes to it.
If all goes well, experimental code would be promoted to stable in
a subsequence release, and this warning removed from it.
"""
pass
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