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https://github.com/cookiengineer/audacity
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Update local LV2 libraries to latest versions
lilv-0.24.6 lv2-1.16.0 serd-0.30.2 sord-0.16.4 sratom-0.6.4 suil-0.10.6
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137
lib-src/lv2/sratom/waflib/extras/file_to_object.py
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137
lib-src/lv2/sratom/waflib/extras/file_to_object.py
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Tool to embed file into objects
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__author__ = __maintainer__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
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__copyright__ = "Jérôme Carretero, 2014"
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"""
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This tool allows to embed file contents in object files (.o).
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It is not exactly portable, and the file contents are reachable
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using various non-portable fashions.
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The goal here is to provide a functional interface to the embedding
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of file data in objects.
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See the ``playground/embedded_resources`` example for an example.
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Usage::
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bld(
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name='pipeline',
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# ^ Reference this in use="..." for things using the generated code
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features='file_to_object',
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source='some.file',
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# ^ Name of the file to embed in binary section.
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)
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Known issues:
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- Destination is named like source, with extension renamed to .o
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eg. some.file -> some.o
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"""
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import os
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from waflib import Task, TaskGen, Errors
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def filename_c_escape(x):
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return x.replace("\\", "\\\\")
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class file_to_object_s(Task.Task):
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color = 'CYAN'
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vars = ['DEST_CPU', 'DEST_BINFMT']
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def run(self):
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name = []
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for i, x in enumerate(self.inputs[0].name):
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if x.isalnum():
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name.append(x)
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else:
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name.append('_')
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file = self.inputs[0].abspath()
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size = os.path.getsize(file)
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if self.env.DEST_CPU in ('x86_64', 'ia', 'aarch64'):
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unit = 'quad'
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align = 8
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elif self.env.DEST_CPU in ('x86','arm', 'thumb', 'm68k'):
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unit = 'long'
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align = 4
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else:
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raise Errors.WafError("Unsupported DEST_CPU, please report bug!")
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file = filename_c_escape(file)
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name = "_binary_" + "".join(name)
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rodata = ".section .rodata"
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if self.env.DEST_BINFMT == "mac-o":
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name = "_" + name
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rodata = ".section __TEXT,__const"
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with open(self.outputs[0].abspath(), 'w') as f:
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f.write(\
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"""
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.global %(name)s_start
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.global %(name)s_end
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.global %(name)s_size
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%(rodata)s
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%(name)s_start:
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.incbin "%(file)s"
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%(name)s_end:
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.align %(align)d
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%(name)s_size:
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.%(unit)s 0x%(size)x
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""" % locals())
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class file_to_object_c(Task.Task):
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color = 'CYAN'
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def run(self):
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name = []
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for i, x in enumerate(self.inputs[0].name):
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if x.isalnum():
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name.append(x)
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else:
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name.append('_')
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file = self.inputs[0].abspath()
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size = os.path.getsize(file)
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name = "_binary_" + "".join(name)
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data = self.inputs[0].read('rb')
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lines, line = [], []
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for idx_byte, byte in enumerate(data):
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line.append(byte)
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if len(line) > 15 or idx_byte == size-1:
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lines.append(", ".join(("0x%02x" % ord(x)) for x in line))
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line = []
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data = ",\n ".join(lines)
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self.outputs[0].write(\
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"""
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unsigned long %(name)s_size = %(size)dL;
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char const %(name)s_start[] = {
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%(data)s
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};
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char const %(name)s_end[] = {};
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""" % locals())
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@TaskGen.feature('file_to_object')
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@TaskGen.before_method('process_source')
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def tg_file_to_object(self):
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bld = self.bld
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sources = self.to_nodes(self.source)
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targets = []
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for src in sources:
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if bld.env.F2O_METHOD == ["asm"]:
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tgt = src.parent.find_or_declare(src.name + '.f2o.s')
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tsk = self.create_task('file_to_object_s', src, tgt)
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tsk.cwd = src.parent.abspath() # verify
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else:
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tgt = src.parent.find_or_declare(src.name + '.f2o.c')
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tsk = self.create_task('file_to_object_c', src, tgt)
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tsk.cwd = src.parent.abspath() # verify
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targets.append(tgt)
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self.source = targets
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def configure(conf):
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conf.load('gas')
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conf.env.F2O_METHOD = ["c"]
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