Files
Submissions-App/src/submissions/backend/excel/__init__.py

43 lines
1.3 KiB
Python

from pandas import DataFrame
import re
def get_unique_values_in_df_column(df: DataFrame, column_name: str) -> list:
"""
get all unique values in a dataframe column by name
Args:
df (DataFrame): input dataframe
column_name (str): name of column of interest
Returns:
list: sorted list of unique values
"""
return sorted(df[column_name].unique())
def drop_reruns_from_df(ctx:dict, df: DataFrame) -> DataFrame:
"""
Removes semi-duplicates from dataframe after finding sequencing repeats.
Args:
settings (dict): settings passed from gui
df (DataFrame): initial dataframe
Returns:
DataFrame: dataframe with originals removed in favour of repeats.
"""
sample_names = get_unique_values_in_df_column(df, column_name="name")
if 'rerun_regex' in ctx:
# logger.debug(f"Compiling regex from: {settings['rerun_regex']}")
rerun_regex = re.compile(fr"{ctx['rerun_regex']}")
for sample in sample_names:
# logger.debug(f'Running search on {sample}')
if rerun_regex.search(sample):
# logger.debug(f'Match on {sample}')
first_run = re.sub(rerun_regex, "", sample)
# logger.debug(f"First run: {first_run}")
df = df.drop(df[df.name == first_run].index)
return df