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profiles.py
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Created
Mon, Oct 14, 19:17
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Wed, Oct 16, 19:17 (2 d)
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R3600 invenio-infoscience
profiles.py
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# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2011 CERN.
#
# Invenio is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# Invenio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Invenio; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
""" BibEncode profile submodule """
import
os
import
shutil
from
invenio.utils.json
import
json_decode_file
from
invenio.modules.encoder.config
import
(
CFG_BIBENCODE_PROFILES_ENCODING
,
CFG_BIBENCODE_PROFILES_EXTRACT
,
CFG_BIBENCODE_PROFILES_ENCODING_LOCAL
,
CFG_BIBENCODE_PROFILES_EXTRACT_LOCAL
)
from
invenio.modules.encoder.utils
import
getval
from
invenio.ext.logging
import
register_exception
#-------------------#
# Encoding profiles #
#-------------------#
def
get_encoding_profiles
():
""" Returns a dictionary representation of the encoding profiles
"""
if
not
os
.
path
.
exists
(
CFG_BIBENCODE_PROFILES_ENCODING_LOCAL
):
shutil
.
copy
(
CFG_BIBENCODE_PROFILES_ENCODING
,
CFG_BIBENCODE_PROFILES_ENCODING_LOCAL
)
default_profiles
=
json_decode_file
(
CFG_BIBENCODE_PROFILES_ENCODING
)
local_profiles
=
json_decode_file
(
CFG_BIBENCODE_PROFILES_ENCODING_LOCAL
)
default_profiles
.
update
(
local_profiles
)
return
default_profiles
def
get_encoding_profile
(
key
):
""" Returns a dictionary representation of an encoding profile by key
"""
profile
=
get_encoding_profiles
()[
key
]
def
san_bitrate
(
bitrate
):
""" Sanitizes bitrates
"""
if
type
(
str
())
==
type
(
bitrate
):
if
bitrate
.
endswith
(
'k'
):
try
:
bitrate
=
int
(
bitrate
[:
-
1
])
bitrate
*=
1000
return
int
(
bitrate
)
except
ValueError
:
register_exception
(
alert_admin
=
True
)
raise
elif
type
(
int
)
==
type
(
bitrate
):
return
bitrate
else
:
register_exception
(
alert_admin
=
True
)
raise
if
getval
(
profile
,
'videobitrate'
):
profile
[
'videobitrate'
]
=
san_bitrate
(
getval
(
profile
,
'videobitrate'
))
if
getval
(
profile
,
'audiobitrate'
):
profile
[
'audiobitrate'
]
=
san_bitrate
(
getval
(
profile
,
'audiobitrate'
))
return
profile
#---------------------#
# Extraction profiles #
#---------------------#
def
get_extract_profiles
():
""" Returns a dictionary representation of the frame extraction profiles
"""
if
not
os
.
path
.
exists
(
CFG_BIBENCODE_PROFILES_EXTRACT_LOCAL
):
shutil
.
copy
(
CFG_BIBENCODE_PROFILES_EXTRACT
,
CFG_BIBENCODE_PROFILES_EXTRACT_LOCAL
)
default_profiles
=
json_decode_file
(
CFG_BIBENCODE_PROFILES_EXTRACT
)
local_profiles
=
json_decode_file
(
CFG_BIBENCODE_PROFILES_EXTRACT_LOCAL
)
default_profiles
.
update
(
local_profiles
)
return
default_profiles
def
get_extract_profile
(
key
):
""" Returns a dictionary representation of an extrtaction profile by key
"""
return
get_extract_profiles
()[
key
]
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