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xml_process.py
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xml_process.py
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import xml.etree.ElementTree as ET
import os
class Converter:
def __init__(self, filestring):
self.filestring = filestring
self.tree = ET.fromstring(filestring)
#self.output = os.path.splitext(os.path.basename(filestring))[0] + '.rpp'
self.framerate = int(self.tree.find('sequence/rate/timebase').text)
self.sample_rate = 480000
# Divides frames by framerate to get seconds, rounds to 14 decimal
def rounder(self, integer):
return round(integer / self.framerate, 14)
def media_items(self):
video_file_dict = {}
audio_file_dict = {}
# Parses for each video file used in sequence
for track in self.tree.findall('sequence/media/video/track'):
for clipitem in (track.iterfind('clipitem')):
try:
pathurl = clipitem.find('file/pathurl').text.replace("%20", " ")
except:
pass
video_file_dict[clipitem.find('name').text] = pathurl
# Parses for each audio file used in sequence
for track in self.tree.findall('sequence/media/audio/track'):
for clipitem in (track.iterfind('clipitem')):
# print(clipitem.find('name').text)
try:
pathurl = clipitem.find('file/pathurl').text.replace("%20", " ")
except:
pass
audio_file_dict[clipitem.find('name').text] = pathurl
return video_file_dict, audio_file_dict
# Reaper <track> tag in RPP file
def reaper_track(self, track_counter):
string = '''
<TRACK
NAME "{name}"
PEAKCOL 16576
BEAT -1
AUTOMODE 0
VOLPAN 1 0 -1 -1 1
MUTESOLO 0 0 0
IPHASE 0
ISBUS 0 0
BUSCOMP 0 0
SHOWINMIX 1 0.6667 0.5 1 0.5 0 0 0
FREEMODE 0
SEL 0
REC 0 0 0 0 0 0 0
VU 2
TRACKHEIGHT 24 0 0
INQ 0 0 0 0.5 100 0 0 100
NCHAN 2
FX 1
TRACKID
PERF 0
MIDIOUT -1
MAINSEND 1 0
<FXCHAIN
SHOW 0
LASTSEL 0
DOCKED 0
>
'''.format(name=track_counter)
return string
# Reaper <item> tag in RPP file
def reaper_item(self, dict, clip_id):
string = '''
<ITEM
POSITION {start}
SNAPOFFS 0
LENGTH {length}
LOOP 1
ALLTAKES 0
FADEIN 1 0.01 0 1 0 0
FADEOUT 1 0.01 0 1 0 0
MUTE {enabled}
SEL 1
IGUID
IID {id}
NAME "{name}"
VOLPAN 1 0 1 -1
SOFFS {clip_in}
PLAYRATE 1 1 0 -1 0 0.0025
CHANMODE 0
GUID
<SOURCE WAVE
FILE "{path}"
>
>
'''.format(
start=dict["start"],
name=dict['name'],
path=dict['name'],
length=(dict['end'] - dict['start']),
clip_in=dict['in'],
enabled=not dict["enabled"],
id=clip_id)
return string
def create_tag_dict(self, clipitem):
tag_dict = {}
tag_name_list = ['name', 'duration', 'start', 'end', 'in', 'enabled']
for each in clipitem:
if each.tag in tag_name_list:
if each.text.isdigit():
tag_dict[each.tag] = self.rounder(int(each.text))
elif each.tag == "enabled":
tag_dict[each.tag] = int(bool(each.text))
elif each.tag == "name":
tag_dict[each.tag] = each.text
return tag_dict
def convert(self, output_path):
with open(os.path.join(output_path, self.output), 'w') as f:
# Iterate over each track
with open('head.rpp', 'r') as head:
for line in head:
f.write(line)
for track_counter, track in enumerate(self.tree.findall('sequence/media/audio/track')):
f.write(self.reaper_track(track_counter + 1))
for counter, clipitem in enumerate(track.iterfind('clipitem')):
# collects item data and media info
clip_id = counter + 1
clip_dict = self.create_tag_dict(clipitem)
# Writes to formatted Reaper <ITEM> string
f.write(self.reaper_item(clip_dict, clip_id))
f.write(
'''
>
''')
with open('bottom.rpp', 'r') as bottom:
for line in bottom:
f.write(line)
def convert_to_string(self):
with open('head.rpp', 'r') as head:
string = "".join(head.readlines())
for track_counter, track in enumerate(self.tree.findall('sequence/media/audio/track')):
string = string + self.reaper_track(track_counter + 1)
for counter, clipitem in enumerate(track.iterfind('clipitem')):
# collects item data and media info
clip_id = counter + 1
clip_dict = self.create_tag_dict(clipitem)
# Writes to formatted Reaper <ITEM> string
string = string + self.reaper_item(clip_dict, clip_id)
string = string + ''' >'''
with open('bottom.rpp', 'r') as bottom:
string = string + "".join(bottom.readlines())
#string = string.replace("\n", "\r\n")
return string
# def announce(self, media_items):
# video_files = []
# for mediaitem in media_items[0].keys():
# if mediaitem in media_items[1].keys():
# video_files.append(mediaitem)
# if len(video_files) > 0:
# for file in video_files:
# print(file + ' -----' + ' copy this file into .rpp project folder.')