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"""Abstraction layer for working outside the Sugar environment"""
import traceback
import cStringIO
import os
import os.path
from sugar3.activity.activity import get_bundle_path
def get_activity_root():
"""
Return the activity root for data storage operations
"""
import sugargame
if sugargame.ACTIVITY:
return sugargame.ACTIVITY.get_activity_root()
def data_path(file_name):
"""
Return the full path to a file in the data sub-directory of the bundle
"""
return os.path.join(get_bundle_path(), 'data', file_name)
def tmp_path(file_name):
"""
Return the full path to a file in the temporary directory
"""
return os.path.join(get_activity_root(), 'tmp', file_name)
def get_traceback(error):
"""
Get formatted traceback from current exception
error -- Exception instance raised
Attempts to produce a 10-level traceback as a string
that you can log off. Use like so:
try:
doSomething()
except Exception, err:
log.error(
'''Failure during doSomething with X,Y,Z parameters: %s''',
util.get_traceback(err),
)
"""
if error is None:
error = []
for (f, l, func, statement) in traceback.extract_stack()[:-2]:
if statement:
statement = ': %s' % (statement)
if func:
error.append('%s.%s (%s)%s' % (f, func, l, statement))
else:
error.append('%s (%s)%s' % (f, l, statement))
return "\n".join(error)
else:
exception = str(error)
file_path = cStringIO.StringIO()
try:
traceback.print_exc(limit=10, file=file_path)
exception = file.getvalue()
finally:
file.close()
return exception
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