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Firs commit of code
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Jamie Hardt
163
ptulsconv/__init__.py
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163
ptulsconv/__init__.py
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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 string_value rs
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"SESSION START TIMECODE:" fs timecode_value rs
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"TIMECODE FORMAT:" fs float_value " 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 rs rs
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files_section = files_header files_column_header ( file_record )* rs rs
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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 " 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 )* rs rs
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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 rs )* rs rs
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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_list )*
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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 = "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: " ( fs string_value )* rs
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"PLUG-INS: " ( fs string_value )* rs
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track_clip_list rs rs
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track_clip_list = "CHANNEL " fs "EVENT " fs "CLIP NAME " fs
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"START TIME " fs "END TIME " fs "DURATION " fs "STATE" rs
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(track_clip_entry)*
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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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timecode_value fs timecode_value fs timecode_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 = 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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fs = "\t"
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rs = "\n"
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string_value = ~"[^\S\t\n]*" ~"[^\t\n]*"
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timecode_value = ~"[^\d\t\n]*" ~"\d\d" ":" ~"\d\d" ":" ~"\d\d" ":" ~"\d\d" ~"[^\d\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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from parsimonious.nodes import NodeVisitor, Node
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from timecode import Timecode
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class PTTextVisitor(NodeVisitor):
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def visit_document(self, node, visited_children):
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return {'header': visited_children[0],
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'files': visited_children[1][0],
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'clips': visited_children[2][0],
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'plugins': visited_children[3][0],
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'tracks': visited_children[4][0]
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}
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def visit_header(self, node, visited_children):
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return {
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'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[14],
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'timecode_format': visited_children[18],
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'count_audio_tracks': visited_children[23],
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'count_clips': visited_children[27],
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'count_files': visited_children[31]
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}
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def visit_files_section(self, node, visited_children):
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return list(map(lambda child: {'filename': child[0], 'path': child[2]}, visited_children[2]))
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def visit_clips_section(self, node, visited_children):
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return list(map(lambda child: {'clip_name': child[0], 'file': child[2], 'channel': child[5]},
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visited_children[2]))
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def visit_plugin_listing(self, node, visited_children):
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return list(map(lambda child: {'manufacturer': child[0], 'plugin_name': child[2],
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'version': child[4], 'format': child[6], 'stems': child[8],
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'count_instances': child[10]},
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visited_children[2]))
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def visit_track_listing(self, node, visited_children):
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retval = []
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for child in visited_children[1]:
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state = list(map(lambda t: t.text, child[14]))
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plugs = list(map(lambda t: t.text, child[17]))
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retval.append({'track_name': child[2],
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'comments': child[6],
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'samples_delay': child[10],
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'state': state,
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'clips': child[19]})
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return retval
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def visit_track_clip_list(self, node, visited_children):
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return visited_children[14]
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def visit_track_clip_entry(self, node, visited_children):
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return {'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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'state': visited_children[14]
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}
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def visit_track_clip_state(self, node, visited_children):
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return node.text
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def visit_markers_listing(self, node, visited_children):
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return 'Markers'
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def visit_formatted_clip_name(self, node, visited_children):
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return visited_children[1].text
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def visit_string_value(self, node, visited_children):
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return visited_children[1].text
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def visit_integer_value(self, node, visited_children):
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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 visited_children[1].text + visited_children[2].text + \
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visited_children[3].text + visited_children[4].text + \
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visited_children[5].text + visited_children[6].text + \
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visited_children[7].text
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def visit_float_value(self, node, visited_children):
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return float(node.text)
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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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