#!/usr/bin/python """Fix old pre-ardour 2.0 sessions that refer to plugins by name rather than id. (c) 2007 Paul M. Winkler THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. """ import pprint import os import sys import re import shutil import time from lxml import etree # Start with old CAPS pre-3.0 plugin names that were likely used back then. old_name_to_id = { "CAPS: Eq - 10-band 'analogue' equalizer" : 1773, "CAPS: Compress - Mono compressor": 1772, "CAPS: Pan - Pan and width": 1788, "CAPS: PreampIII - Tube preamp emulation": 1776, "CAPS: PreampIV - Tube preamp emulation + tone controls": 1777, "CAPS: AmpIII - Tube amp emulation": 1786, "CAPS: AmpIV - Tube amp emulation + tone controls": 1794, "CAPS: AmpV - Refined tube amp emulation": 2587, "CAPS: CabinetI - Loudspeaker cabinet emulation": 1766, "CAPS: CabinetII - Refined loudspeaker cabinet emulation": 2581, "CAPS: Clip - Hard clipper, 8x oversampled": 1771, "CAPS: ChorusI - Mono chorus/flanger": 1767, "CAPS: StereoChorusI - Stereo chorus/flanger": 1768, "CAPS: ChorusII - Mono chorus/flanger modulated by a fractal": 2583, "CAPS: StereoChorusII - Stereo chorus/flanger modulated by a fractal": 2584, "CAPS: PhaserI - Mono phaser": 1775, "CAPS: PhaserII - Mono phaser modulated by a Lorenz fractal": 2586, "CAPS: SweepVFI - Resonant filter, f swept by a Lorenz fractal": 1782, "CAPS: SweepVFII - Resonant filter, f and Q swept by a Lorenz fractal": 2582, "CAPS: Scape - Stereo delay + Filters": 2588, "CAPS: VCOs - Virtual 'analogue' oscillator": 1783, "CAPS: VCOd - Double VCO with detune and hard sync options": 1784, "CAPS: CEO - Chief Executive Oscillator": 1770, "CAPS: Sin - Sine wave generator": 1781, "CAPS: White - White noise generator": 1785, "CAPS: Lorenz - The sound of a Lorenz attractor": 1774, "CAPS: Roessler - The sound of a Roessler attractor": 1780, "CAPS: JVRev - Stanford-style reverb from STK": 1778, "CAPS: Plate - Versatile plate reverb": 1779, "CAPS: Plate2x2 - Versatile plate reverb, stereo inputs": 1795, "CAPS: Click - Metronome": 1769, "CAPS: Dirac - One-sample impulse generator": 2585, "CAPS: HRTF - Head-related transfer function at elevation 0": 1787, "10-band eq": 1773, "Mono compressor suitable for musical instruments": 1772, "Pan and width": 1788, "Tube amp emulation": 1786, "Tube amp emulation + tone controls": 1794, "Tube preamp emulation": 1776, "Tube preamp emulation + tone controls": 1777, "Amp/speaker emulation": 1766, "Hard clipper, 8x oversampled": 1771, "Mono chorus/flanger": 1767, "Stereo chorus with feedback": 1768, "Mono phaser": 1775, "2x ladder filter swept by a Lorenz fractal": 1782, "Tri / saw / square oscillator": 1783, "Double VCO with detune and hard sync": 1784, "Chief Executive Oscillator": 1770, "Sine generator": 1781, "White noise generator": 1785, "The sound of a Lorenz attractor": 1774, "The sound of a Roessler attractor": 1780, "Stanford-style reverb from STK": 1778, "Versatile plate reverb": 1779, "Versatile plate reverb, 2x2": 1795, "Metronome": 1769, "IIR-based HRTF at elevation 0": 1787, } for name, value in old_name_to_id.items(): # Apparently caps plugin names used to be lowercase, but I can't find # a copy of the old tarball to inspect them from. So, force lowercase. old_name_to_id[name.lower()] = value # Find all currently known plugins. new_name_to_id = {} id_to_new_name = {} plugin_info = os.popen('listplugins').readlines() plugin_info = [line.strip() for line in plugin_info if not line.endswith('.so:\n')] info_re = re.compile(r'(.+) \((\d+)/(.+)\)') for line in plugin_info: found = info_re.match(line) if not found: continue name, ladspa_id, label = found.groups() ladspa_id = int(ladspa_id) id_to_new_name[ladspa_id] = name new_name_to_id[name] = ladspa_id new_name_to_id[name.lower()] = ladspa_id name_to_id = old_name_to_id.copy() name_to_id.update(new_name_to_id) def fix_tags(tree): inserts = tree.xpath('//Insert[@type="ladspa"]') for insert in inserts: name = insert.get('id') print "Name:", name if insert.get('unique-id'): print "Already have a unique id, skipping" continue print "Fixing unique id...", new_id = name_to_id.get(name.lower()) if new_id == None: print "UH-OH, no new id found, skipping" continue print "got unique id %s" % new_id, insert.set('unique_id', str(new_id)) # Ardour 2.2-ish insert.set('unique-id', str(new_id)) # Ardour 2.4 print "ok" if old_name_to_id.has_key(name): print "Trying to update the name too...", new_name = id_to_new_name.get(new_id) if new_name: insert.set('id', new_name) print "ok, got %r" % new_name else: print "couldn't find a better one" return tree def get_backup_name(filename): now = int(time.time() * 1000) return filename + '.backup_before_plugin_fixing.%d' % now def main(): infilename = sys.argv[-1] if not infilename.endswith('.ardour'): sys.stderr.write(""" Usage: %s foo.ardour Argument must be an ardour session file. """ ) sys.exit(1) print __doc__ ardourfile = open(infilename, 'r') backupname = get_backup_name(infilename) print "Making backup copy at %s..." % backupname shutil.copyfile(infilename, backupname) print "Parsing %s..." % infilename, ardourxml = etree.parse(ardourfile) print "ok" fixed_xml = fix_tags(ardourxml) ardourfile.close() output = etree.tostring(fixed_xml, xml_declaration=True, encoding="utf-8") print "Writing fixed data to %s..." % infilename outfile = open(infilename, 'w') outfile.write(output) print "done!" if __name__ == '__main__': main()