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# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sys
global TESTS_ENABLED
TESTS_ENABLED = False
def import_component(import_string):
"""
Import a module component defined by STRING. Probably a method,
class, or global variable.
Args:
- import_string: a string that defines what to import. Written
in the format of "module1.module2:component"
"""
module_name, func_name = import_string.split(':', 1)
__import__(module_name)
module = sys.modules[module_name]
func = getattr(module, func_name)
return func
def simple_printer(string):
"""
Prints a string, but without an auto \n at the end.
Useful for places where we want to dependency inject for printing.
"""
sys.stdout.write(string)
sys.stdout.flush()
class CollectingPrinter:
"""
Another printer object, this one useful for capturing output for
examination during testing or otherwise.
Use this like:
>>> printer = CollectingPrinter()
>>> printer("herp derp\n")
>>> printer("lollerskates\n")
>>> printer.combined_string
"herp derp\nlollerskates\n"
"""
def __init__(self):
self.collection = []
def __call__(self, string):
self.collection.append(string)
@property
def combined_string(self):
return ''.join(self.collection)
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