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https://github.com/gnuradio/gnuradio-companion.git
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43e6a43e3d
All of the removed `from __future__ import` were needed in older versions of Python (mostly 2.5.x and below) but later became mandatory in most versions of Python 3 hence are not necessary anymore. More specifically, according to __future__.py[1]: - unicode_literals is part of Python since versions 2.6.0 and 3.0.0; - print_function is part of Python since versions 2.6.0 and 3.0.0; - absolute_import is part of Python since versions 2.5.0 and 3.0.0; - division is part of Python since versions 2.2.0 and 3.0.0; Get rid of those unnecessary imports to slightly clean up the codebase. [1] https://github.com/python/cpython/blob/master/Lib/__future__.py
148 lines
3.4 KiB
Python
148 lines
3.4 KiB
Python
# Copyright 2007, 2015 Free Software Foundation, Inc.
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# This file is part of GNU Radio
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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#
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import traceback
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import sys
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# A list of functions that can receive a message.
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MESSENGERS_LIST = list()
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_indent = ''
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# Global FlowGraph Error and the file that caused it
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flowgraph_error = None
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flowgraph_error_file = None
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def register_messenger(messenger):
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"""
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Append the given messenger to the list of messengers.
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Args:
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messenger: a method that takes a string
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"""
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MESSENGERS_LIST.append(messenger)
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def set_indent(level=0):
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global _indent
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_indent = ' ' * level
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def send(message):
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"""
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Give the message to each of the messengers.
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Args:
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message: a message string
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"""
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for messenger in MESSENGERS_LIST:
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messenger(_indent + message)
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# register stdout by default
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register_messenger(sys.stdout.write)
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###########################################################################
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# Special functions for specific program functionalities
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###########################################################################
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def send_init(platform):
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msg = "<<< Welcome to {config.name} {config.version} >>>\n\n" \
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"Block paths:\n\t{paths}\n"
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send(msg.format(
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config=platform.config,
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paths="\n\t".join(platform.config.block_paths))
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)
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def send_xml_errors_if_any(xml_failures):
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if xml_failures:
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send('\nXML parser: Found {0} erroneous XML file{1} while loading the '
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'block tree (see "Help/Parser errors" for details)\n'.format(
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len(xml_failures), 's' if len(xml_failures) > 1 else ''))
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def send_start_load(file_path):
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send('\nLoading: "%s"\n' % file_path)
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def send_error_msg_load(error):
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send('>>> Error: %s\n' % error)
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def send_error_load(error):
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send_error_msg_load(error)
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traceback.print_exc()
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def send_end_load():
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send('>>> Done\n')
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def send_fail_load(error):
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send('Error: %s\n>>> Failure\n' % error)
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traceback.print_exc()
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def send_start_gen(file_path):
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send('\nGenerating: %r\n' % file_path)
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def send_auto_gen(file_path):
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send('>>> Generating: %r\n' % file_path)
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def send_fail_gen(error):
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send('Generate Error: %s\n>>> Failure\n' % error)
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traceback.print_exc()
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def send_start_exec(file_path):
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send('\nExecuting: %s\n' % file_path)
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def send_verbose_exec(verbose):
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send(verbose)
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def send_end_exec(code=0):
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send('\n>>> Done%s\n' % (" (return code %s)" % code if code else ""))
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def send_fail_save(file_path):
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send('>>> Error: Cannot save: %s\n' % file_path)
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def send_fail_connection(msg=''):
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send('>>> Error: Cannot create connection.\n' + ('\t{}\n'.format(msg) if msg else ''))
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def send_fail_load_preferences(prefs_file_path):
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send('>>> Error: Cannot load preferences file: "%s"\n' % prefs_file_path)
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def send_fail_save_preferences(prefs_file_path):
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send('>>> Error: Cannot save preferences file: "%s"\n' % prefs_file_path)
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def send_warning(warning):
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send('>>> Warning: %s\n' % warning)
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def send_flowgraph_error_report(flowgraph):
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""" verbose error report for flowgraphs """
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error_list = flowgraph.get_error_messages()
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if not error_list:
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return
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send('*' * 50 + '\n')
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summary_msg = '{} errors from flowgraph:\n'.format(len(error_list))
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send(summary_msg)
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for err in error_list:
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send(err)
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send('\n' + '*' * 50 + '\n')
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