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Error handling during parsing

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This commit is contained in:
Jamie Hardt
2025-12-16 16:38:38 -08:00
parent 1d78f11b11
commit 69dee73299
2 changed files with 26 additions and 20 deletions
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30
pycmx/parse_cmx_statements.py
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@@ -6,10 +6,10 @@ from typing import TextIO, List
from pycmx.cdl import AscSopComponents, Rgb
from .statements import (StmtCdlSat, StmtCdlSop, StmtFrmc, StmtRemark,
from .statements import (StmtCdlSat, StmtCdlSop, StmtCorruptRemark, StmtFrmc, StmtRemark,
StmtTitle, StmtUnrecognized, StmtFCM, StmtAudioExt,
StmtClipName, StmtEffectsName, StmtEvent,
StmtSourceFile, StmtSplitEdit, StmtMotionMemory)
StmtSourceFile, StmtSplitEdit)
from .util import collimate
@@ -68,7 +68,8 @@ def _parse_cmx3600_line(line: str, line_number: int) -> object:
if line.startswith("SPLIT:"):
return _parse_split(line, line_number)
if line.startswith("M2"):
return _parse_motion_memory(line, line_number)
pass
# return _parse_motion_memory(line, line_number)
return _parse_unrecognized(line, line_number)
@@ -130,8 +131,8 @@ def _parse_remark(line, line_number) -> object:
),
line_number=line_number)
except ValueError:
return StmtRemark(line, line_number)
except ValueError as e:
return StmtCorruptRemark('ASC_SOP', e, line_number)
elif line.startswith("ASC_SAT"):
value = re.findall(r'(-?\d+(\.\d+)?)', line)
@@ -144,16 +145,15 @@ def _parse_remark(line, line_number) -> object:
return StmtCdlSat(value=float(value[0][0]),
line_number=line_number)
except ValueError:
return StmtRemark(line, line_number)
except ValueError as e:
return StmtCorruptRemark('ASC_SAT', e, line_number)
elif line.startswith("FRMC"):
match = re.match(
r'^FRMC START:\s*(\d+)\s+FRMC END:\s*(\d+)'
match = re.match(r'^FRMC START:\s*(\d+)\s+FRMC END:\s*(\d+)'
r'\s+FRMC DURATION:\s*(\d+)', line, re.IGNORECASE)
if match is None:
return StmtRemark(line, line_number)
return StmtCorruptRemark('FRMC', None, line_number)
else:
try:
@@ -161,8 +161,8 @@ def _parse_remark(line, line_number) -> object:
end=int(match.group(2)),
duration=int(match.group(3)),
line_number=line_number)
except ValueError:
return StmtRemark(line, line_number)
except ValueError as e:
return StmtCorruptRemark('FRMC', e, line_number)
else:
return StmtRemark(text=line, line_number=line_number)
@@ -182,9 +182,9 @@ def _parse_split(line: str, line_number):
line_number=line_number)
def _parse_motion_memory(line, line_number):
return StmtMotionMemory(source="", fps="")
# def _parse_motion_memory(line, line_number):
# return StmtMotionMemory(source="", fps="")
#
def _parse_unrecognized(line, line_number):
return StmtUnrecognized(content=line, line_number=line_number)

12
pycmx/statements.py
View File

@@ -3,7 +3,7 @@
from collections import namedtuple
from typing import NamedTuple
from typing import Any, NamedTuple
from pycmx.cdl import AscSopComponents
@@ -93,5 +93,11 @@ class StmtUnrecognized(NamedTuple):
line_number: int
StmtMotionMemory = namedtuple(
"MotionMemory", ["source", "fps"]) # FIXME needs more fields
class StmtCorruptRemark(NamedTuple):
selector: str
exception: Any
line_number: int
# StmtMotionMemory = namedtuple(
# "MotionMemory", ["source", "fps"]) # FIXME needs more fields