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create list of multiple values for tag attributes #8

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Merged
merged 2 commits into from
Feb 20, 2018
Merged

create list of multiple values for tag attributes #8

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8f9bf8f
create list of multiple values
iskandr Feb 19, 2018
af69085
version bump
iskandr Feb 19, 2018
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2 changes: 1 addition & 1 deletion gtfparse/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@
from .parsing_error import ParsingError
from .read_gtf import read_gtf_as_dataframe, read_gtf_as_dict

__version__ = "0.1.0"
__version__ = "0.2.0"

__all__ = [
"expand_attribute_strings",
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10 changes: 9 additions & 1 deletion gtfparse/attribute_parsing.py
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Expand Up @@ -101,7 +101,15 @@ def expand_attribute_strings(
value = intern(str(value))
value_interned_strings[value] = value

column[i] = value
# if an attribute is used repeatedly then
# keep track of all its values in a list
current_row = column[i]
if current_row == missing_value:
column[i] = value
elif type(current_row) is list:
current_row.append(value)
else:
column[i] = [value]

logging.debug(
"Memory usage after expanding GTF attributes: %0.4f MB" % (
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