mirror of
https://github.com/iluvcapra/ptulsconv.git
synced 2026-01-01 01:10:47 +00:00
Work on rewrting the parser
This commit is contained in:
Jamie Hardt
0
ptulsconv/docparser/__init__.py
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0
ptulsconv/docparser/__init__.py
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248
ptulsconv/docparser/doc_parser_visitor.py
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248
ptulsconv/docparser/doc_parser_visitor.py
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from parsimonious.nodes import NodeVisitor, Node
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from collections import namedtuple
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# _SessionDescriptor = namedtuple('_SessionDescriptor',
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# "header files clips plugins tracks markers")
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#
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# _HeaderDescriptor = namedtuple('_HeaderDescriptor',
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# "session_name sample_rate bit_depth start_timecode "
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# "timecode_format timecode_drop_frame "
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# "count_audio_tracks count_clips count_files")
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#
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# _TrackDescriptor = namedtuple("_TrackDescriptor",
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# "name comments user_delay_samples state plugins "
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# "clips")
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#
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# _TrackClipDescriptor = namedtuple("_TrackClipDescriptor",
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# "channel event clip_name start_time end_time "
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# "duration timestamp state")
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#
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# _PluginDescriptor = namedtuple("_PluginDescriptor",
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# "manufacturer plugin_name version format stems "
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# "count_instances")
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#
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# _MarkerDescriptor = namedtuple("_MarkerDescriptor",
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# "number location time_reference units name "
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# "comments")
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#
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# _FileDescriptor = namedtuple("_FileDescriptor", "filename path")
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class SessionDescriptor:
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def __init__(self, **kwargs):
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self.header = kwargs['header']
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self.files = kwargs['files']
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self.clips = kwargs['clips']
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self.plugins = kwargs['plugins']
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self.tracks = kwargs['tracks']
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self.markers = kwargs['markers']
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class HeaderDescriptor:
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def __init__(self, **kwargs):
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self.session_name = kwargs['session_name']
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self.sample_rate = kwargs['sample_rate']
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self.bit_depth = kwargs['bit_depth']
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self.start_timecode = kwargs['start_timecode']
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self.timecode_format = kwargs['timecode_format']
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self.timecode_drop_frame = kwargs['timecode_drop_frame']
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self.count_audio_tracks = kwargs['count_audio_tracks']
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self.count_clips = kwargs['count_clips']
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self.count_files = kwargs['count_files']
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class TrackDescriptor:
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def __init__(self, **kwargs):
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self.name = kwargs['name']
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self.comments = kwargs['comments']
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self.user_delay_samples = kwargs['user_delay_samples']
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self.state = kwargs['state']
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self.plugins = kwargs['plugins']
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self.clips = kwargs['clips']
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class FileDescriptor(dict):
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pass
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class TrackClipDescriptor:
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def __init__(self, **kwargs):
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self.channel = kwargs['channel']
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self.event = kwargs['event']
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self.clip_name = kwargs['clip_name']
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self.start_time = kwargs['start_time']
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self.end_time = kwargs['end_time']
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self.duration = kwargs['duration']
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self.timestamp = kwargs['timestamp']
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self.state = kwargs['state']
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class ClipDescriptor(dict):
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pass
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class PluginDescriptor(dict):
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pass
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class MarkerDescriptor:
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def __init__(self, **kwargs):
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self.number = kwargs['number']
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self.location = kwargs['location']
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self.time_reference = kwargs['time_reference']
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self.units = kwargs['units']
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self.name = kwargs['name']
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self.comments = kwargs['comments']
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class DocParserVisitor(NodeVisitor):
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@staticmethod
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def visit_document(_, visited_children) -> SessionDescriptor:
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files = next(iter(visited_children[1]), None)
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clips = next(iter(visited_children[2]), None)
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plugins = next(iter(visited_children[3]), None)
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tracks = next(iter(visited_children[4]), None)
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markers = next(iter(visited_children[5]), None)
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return SessionDescriptor(header=visited_children[0],
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files=files,
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clips=clips,
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plugins=plugins,
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tracks=tracks,
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markers=markers)
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@staticmethod
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def visit_header(_, visited_children):
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tc_drop = False
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for _ in visited_children[20]:
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tc_drop = True
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return HeaderDescriptor(session_name=visited_children[2],
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sample_rate=visited_children[6],
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bit_depth=visited_children[10],
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start_timecode=visited_children[15],
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timecode_format=visited_children[19],
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timecode_drop_frame=tc_drop,
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count_audio_tracks=visited_children[25],
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count_clips=visited_children[29],
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count_files=visited_children[33])
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@staticmethod
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def visit_files_section(_, visited_children):
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return list(map(lambda child: FileDescriptor(filename=child[0], path=child[2]), visited_children[2]))
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@staticmethod
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def visit_clips_section(_, visited_children):
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channel = next(iter(visited_children[2][3]), 1)
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return list(map(lambda child: ClipDescriptor(clip_name=child[0], file=child[2], channel=channel),
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visited_children[2]))
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@staticmethod
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def visit_plugin_listing(_, visited_children):
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return list(map(lambda child: PluginDescriptor(manufacturer=child[0],
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plugin_name=child[2],
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version=child[4],
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format=child[6],
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stems=child[8],
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count_instances=child[10]),
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visited_children[2]))
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@staticmethod
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def visit_track_block(_, visited_children):
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track_header, track_clip_list = visited_children
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clips = []
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for clip in track_clip_list:
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if clip[0] is not None:
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clips.append(clip[0])
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plugins = []
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for plugin_opt in track_header[16]:
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for plugin in plugin_opt[1]:
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plugins.append(plugin[1])
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return TrackDescriptor(
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name=track_header[2],
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comments=track_header[6],
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user_delay_samples=track_header[10],
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state=track_header[14],
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plugins=plugins,
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clips=clips
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)
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@staticmethod
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def visit_track_listing(_, visited_children):
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return visited_children[1]
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@staticmethod
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def visit_track_clip_entry(_, visited_children):
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timestamp = None
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if isinstance(visited_children[14], list):
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timestamp = visited_children[14][0][0]
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return TrackClipDescriptor(channel=visited_children[0],
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event=visited_children[3],
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clip_name=visited_children[6],
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start_time=visited_children[8],
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end_time=visited_children[10],
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duration=visited_children[12],
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timestamp=timestamp,
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state=visited_children[15])
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@staticmethod
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def visit_track_state_list(_, visited_children):
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states = []
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for next_state in visited_children:
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states.append(next_state[0][0].text)
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return states
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@staticmethod
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def visit_track_clip_state(node, _):
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return node.text
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@staticmethod
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def visit_markers_listing(_, visited_children):
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markers = []
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for marker in visited_children[2]:
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markers.append(marker)
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return markers
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@staticmethod
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def visit_marker_record(_, visited_children):
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return MarkerDescriptor(number=visited_children[0],
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location=visited_children[3],
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time_reference=visited_children[5],
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units=visited_children[8],
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name=visited_children[10],
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comments=visited_children[12])
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@staticmethod
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def visit_formatted_clip_name(_, visited_children):
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return visited_children[1].text
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@staticmethod
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def visit_string_value(node, _):
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return node.text.strip(" ")
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@staticmethod
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def visit_integer_value(node, _):
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return int(node.text)
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# def visit_timecode_value(self, node, visited_children):
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# return node.text.strip(" ")
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@staticmethod
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def visit_float_value(node, _):
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return float(node.text)
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def visit_block_ending(self, node, visited_children):
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pass
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def generic_visit(self, node, visited_children):
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""" The generic visit method. """
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return visited_children or node
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73
ptulsconv/docparser/ptuls_grammar.py
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73
ptulsconv/docparser/ptuls_grammar.py
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@@ -0,0 +1,73 @@
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from parsimonious.grammar import Grammar
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protools_text_export_grammar = Grammar(
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r"""
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document = header files_section? clips_section? plugin_listing? track_listing? markers_listing?
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header = "SESSION NAME:" fs string_value rs
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"SAMPLE RATE:" fs float_value rs
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"BIT DEPTH:" fs integer_value "-bit" rs
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"SESSION START TIMECODE:" fs string_value rs
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"TIMECODE FORMAT:" fs float_value " Drop"? " Frame" rs
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"# OF AUDIO TRACKS:" fs integer_value rs
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"# OF AUDIO CLIPS:" fs integer_value rs
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"# OF AUDIO FILES:" fs integer_value rs block_ending
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files_section = files_header files_column_header file_record* block_ending
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files_header = "F I L E S I N S E S S I O N" rs
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files_column_header = "Filename" isp fs "Location" rs
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file_record = string_value fs string_value rs
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clips_section = clips_header clips_column_header clip_record* block_ending
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clips_header = "O N L I N E C L I P S I N S E S S I O N" rs
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clips_column_header = string_value fs string_value rs
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clip_record = string_value fs string_value (fs "[" integer_value "]")? rs
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plugin_listing = plugin_header plugin_column_header plugin_record* block_ending
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plugin_header = "P L U G - I N S L I S T I N G" rs
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plugin_column_header = "MANUFACTURER " fs "PLUG-IN NAME " fs
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"VERSION " fs "FORMAT " fs "STEMS " fs
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"NUMBER OF INSTANCES" rs
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plugin_record = string_value fs string_value fs string_value fs
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string_value fs string_value fs string_value rs
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track_listing = track_listing_header track_block*
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track_block = track_list_top ( track_clip_entry / block_ending )*
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track_listing_header = "T R A C K L I S T I N G" rs
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track_list_top = "TRACK NAME:" fs string_value rs
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"COMMENTS:" fs string_value rs
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"USER DELAY:" fs integer_value " Samples" rs
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"STATE: " track_state_list rs
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("PLUG-INS: " ( fs string_value )* rs)?
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"CHANNEL " fs "EVENT " fs "CLIP NAME " fs
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"START TIME " fs "END TIME " fs "DURATION " fs
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("TIMESTAMP " fs)? "STATE" rs
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track_state_list = (track_state " ")*
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track_state = "Solo" / "Muted" / "Inactive" / "Hidden"
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track_clip_entry = integer_value isp fs
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integer_value isp fs
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string_value fs
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string_value fs string_value fs string_value fs (string_value fs)?
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track_clip_state rs
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track_clip_state = ("Muted" / "Unmuted")
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markers_listing = markers_listing_header markers_column_header marker_record*
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markers_listing_header = "M A R K E R S L I S T I N G" rs
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markers_column_header = "# " fs "LOCATION " fs "TIME REFERENCE " fs
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"UNITS " fs "NAME " fs "COMMENTS" rs
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marker_record = integer_value isp fs string_value fs integer_value isp fs
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string_value fs string_value fs string_value rs
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fs = "\t"
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rs = "\n"
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block_ending = rs rs
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string_value = ~"[^\t\n]*"
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integer_value = ~"\d+"
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float_value = ~"\d+(\.\d+)?"
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isp = ~"[^\d\t\n]*"
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""")
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