Mercurial > repos > iuc > vsnp_get_snps
diff vsnp_build_tables.py @ 0:ec6e02f4eab7 draft
"planemo upload for repository https://github.com/galaxyproject/tools-iuc/tree/master/tools/vsnp commit 95b221f68d19702681babd765c67caeeb24e7f1d"
author | iuc |
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date | Tue, 16 Nov 2021 08:26:58 +0000 |
parents | |
children | 9ac0b1d5560d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vsnp_build_tables.py Tue Nov 16 08:26:58 2021 +0000 @@ -0,0 +1,302 @@ +#!/usr/bin/env python + +import argparse +import os +import re + +import pandas +import pandas.io.formats.excel +from Bio import SeqIO + +# Maximum columns allowed in a LibreOffice +# spreadsheet is 1024. Excel allows for +# 16,384 columns, but we'll set the lower +# number as the maximum. Some browsers +# (e.g., Firefox on Linux) are configured +# to use LibreOffice for Excel spreadsheets. +MAXCOLS = 1024 +OUTPUT_EXCEL_DIR = 'output_excel_dir' + + +def annotate_table(table_df, group, annotation_dict): + for gbk_chrome, pro in list(annotation_dict.items()): + ref_pos = list(table_df) + ref_series = pandas.Series(ref_pos) + ref_df = pandas.DataFrame(ref_series.str.split(':', expand=True).values, columns=['reference', 'position']) + all_ref = ref_df[ref_df['reference'] == gbk_chrome] + positions = all_ref.position.to_frame() + # Create an annotation file. + annotation_file = "%s_annotations.csv" % group + with open(annotation_file, "a") as fh: + for _, row in positions.iterrows(): + pos = row.position + try: + aaa = pro.iloc[pro.index.get_loc(int(pos))][['chrom', 'locus', 'product', 'gene']] + try: + chrom, name, locus, tag = aaa.values[0] + print("{}:{}\t{}, {}, {}".format(chrom, pos, locus, tag, name), file=fh) + except ValueError: + # If only one annotation for the entire + # chromosome (e.g., flu) then having [0] fails + chrom, name, locus, tag = aaa.values + print("{}:{}\t{}, {}, {}".format(chrom, pos, locus, tag, name), file=fh) + except KeyError: + print("{}:{}\tNo annotated product".format(gbk_chrome, pos), file=fh) + # Read the annotation file into a data frame. + annotations_df = pandas.read_csv(annotation_file, sep='\t', header=None, names=['index', 'annotations'], index_col='index') + # Remove the annotation_file from disk since both + # cascade and sort tables are built using the file, + # and it is opened for writing in append mode. + os.remove(annotation_file) + # Process the data. + table_df_transposed = table_df.T + table_df_transposed.index = table_df_transposed.index.rename('index') + table_df_transposed = table_df_transposed.merge(annotations_df, left_index=True, right_index=True) + table_df = table_df_transposed.T + return table_df + + +def excel_formatter(json_file_name, excel_file_name, group, annotation_dict): + pandas.io.formats.excel.header_style = None + table_df = pandas.read_json(json_file_name, orient='split') + if annotation_dict is not None: + table_df = annotate_table(table_df, group, annotation_dict) + else: + table_df = table_df.append(pandas.Series(name='no annotations')) + writer = pandas.ExcelWriter(excel_file_name, engine='xlsxwriter') + table_df.to_excel(writer, sheet_name='Sheet1') + writer_book = writer.book + ws = writer.sheets['Sheet1'] + format_a = writer_book.add_format({'bg_color': '#58FA82'}) + format_g = writer_book.add_format({'bg_color': '#F7FE2E'}) + format_c = writer_book.add_format({'bg_color': '#0000FF'}) + format_t = writer_book.add_format({'bg_color': '#FF0000'}) + format_normal = writer_book.add_format({'bg_color': '#FDFEFE'}) + formatlowqual = writer_book.add_format({'font_color': '#C70039', 'bg_color': '#E2CFDD'}) + format_ambigous = writer_book.add_format({'font_color': '#C70039', 'bg_color': '#E2CFDD'}) + format_n = writer_book.add_format({'bg_color': '#E2CFDD'}) + rows, cols = table_df.shape + ws.set_column(0, 0, 30) + ws.set_column(1, cols, 2.1) + ws.freeze_panes(2, 1) + format_annotation = writer_book.add_format({'font_color': '#0A028C', 'rotation': '-90', 'align': 'top'}) + # Set last row. + ws.set_row(rows + 1, cols + 1, format_annotation) + # Make sure that row/column locations don't overlap. + ws.conditional_format(rows - 2, 1, rows - 1, cols, {'type': 'cell', 'criteria': '<', 'value': 55, 'format': formatlowqual}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'cell', 'criteria': '==', 'value': 'B$2', 'format': format_normal}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'text', 'criteria': 'containing', 'value': 'A', 'format': format_a}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'text', 'criteria': 'containing', 'value': 'G', 'format': format_g}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'text', 'criteria': 'containing', 'value': 'C', 'format': format_c}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'text', 'criteria': 'containing', 'value': 'T', 'format': format_t}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'text', 'criteria': 'containing', 'value': 'S', 'format': format_ambigous}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'text', 'criteria': 'containing', 'value': 'Y', 'format': format_ambigous}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'text', 'criteria': 'containing', 'value': 'R', 'format': format_ambigous}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'text', 'criteria': 'containing', 'value': 'W', 'format': format_ambigous}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'text', 'criteria': 'containing', 'value': 'K', 'format': format_ambigous}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'text', 'criteria': 'containing', 'value': 'M', 'format': format_ambigous}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'text', 'criteria': 'containing', 'value': 'N', 'format': format_n}) + ws.conditional_format(2, 1, rows - 2, cols, {'type': 'text', 'criteria': 'containing', 'value': '-', 'format': format_n}) + format_rotation = writer_book.add_format({}) + format_rotation.set_rotation(90) + for column_num, column_name in enumerate(list(table_df.columns)): + ws.write(0, column_num + 1, column_name, format_rotation) + format_annotation = writer_book.add_format({'font_color': '#0A028C', 'rotation': '-90', 'align': 'top'}) + # Set last row. + ws.set_row(rows, 400, format_annotation) + writer.save() + + +def get_annotation_dict(gbk_file): + gbk_dict = SeqIO.to_dict(SeqIO.parse(gbk_file, "genbank")) + annotation_dict = {} + tmp_file = "features.csv" + # Create a file of chromosomes and features. + for chromosome in list(gbk_dict.keys()): + with open(tmp_file, 'w+') as fh: + for feature in gbk_dict[chromosome].features: + if "CDS" in feature.type or "rRNA" in feature.type: + try: + product = feature.qualifiers['product'][0] + except KeyError: + product = None + try: + locus = feature.qualifiers['locus_tag'][0] + except KeyError: + locus = None + try: + gene = feature.qualifiers['gene'][0] + except KeyError: + gene = None + fh.write("%s\t%d\t%d\t%s\t%s\t%s\n" % (chromosome, int(feature.location.start), int(feature.location.end), locus, product, gene)) + # Read the chromosomes and features file into a data frame. + df = pandas.read_csv(tmp_file, sep='\t', names=["chrom", "start", "stop", "locus", "product", "gene"]) + # Process the data. + df = df.sort_values(['start', 'gene'], ascending=[True, False]) + df = df.drop_duplicates('start') + pro = df.reset_index(drop=True) + pro.index = pandas.IntervalIndex.from_arrays(pro['start'], pro['stop'], closed='both') + annotation_dict[chromosome] = pro + return annotation_dict + + +def get_sample_name(file_path): + base_file_name = os.path.basename(file_path) + if base_file_name.find(".") > 0: + # Eliminate the extension. + return os.path.splitext(base_file_name)[0] + return base_file_name + + +def output_cascade_table(cascade_order, mqdf, group, annotation_dict): + cascade_order_mq = pandas.concat([cascade_order, mqdf], join='inner') + output_table(cascade_order_mq, "cascade", group, annotation_dict) + + +def output_excel(df, type_str, group, annotation_dict, count=None): + # Output the temporary json file that + # is used by the excel_formatter. + if count is None: + if group is None: + json_file_name = os.path.join(OUTPUT_EXCEL_DIR, "%s_order_mq.json" % type_str) + excel_file_name = os.path.join(OUTPUT_EXCEL_DIR, "%s_table.xlsx" % type_str) + else: + json_file_name = os.path.join(OUTPUT_EXCEL_DIR, "%s_%s_order_mq.json" % (group, type_str)) + excel_file_name = os.path.join(OUTPUT_EXCEL_DIR, "%s_%s_table.xlsx" % (group, type_str)) + else: + # The table has more columns than is allowed by the + # MAXCOLS setting, so multiple files will be produced + # as an output collection. + if group is None: + json_file_name = os.path.join(OUTPUT_EXCEL_DIR, "%s_order_mq_%d.json" % (type_str, count)) + excel_file_name = os.path.join(OUTPUT_EXCEL_DIR, "%s_table_%d.xlsx" % (type_str, count)) + else: + json_file_name = os.path.join(OUTPUT_EXCEL_DIR, "%s_%s_order_mq_%d.json" % (group, type_str, count)) + excel_file_name = os.path.join(OUTPUT_EXCEL_DIR, "%s_%s_table_%d.xlsx" % (group, type_str, count)) + df.to_json(json_file_name, orient='split') + # Output the Excel file. + excel_formatter(json_file_name, excel_file_name, group, annotation_dict) + + +def output_sort_table(cascade_order, mqdf, group, annotation_dict): + sort_df = cascade_order.T + sort_df['abs_value'] = sort_df.index + sort_df[['chrom', 'pos']] = sort_df['abs_value'].str.split(':', expand=True) + sort_df = sort_df.drop(['abs_value', 'chrom'], axis=1) + sort_df.pos = sort_df.pos.astype(int) + sort_df = sort_df.sort_values(by=['pos']) + sort_df = sort_df.drop(['pos'], axis=1) + sort_df = sort_df.T + sort_order_mq = pandas.concat([sort_df, mqdf], join='inner') + output_table(sort_order_mq, "sort", group, annotation_dict) + + +def output_table(df, type_str, group, annotation_dict): + if isinstance(group, str) and group.startswith("dataset"): + # Inputs are single files, not collections, + # so input file names are not useful for naming + # output files. + group_str = None + else: + group_str = group + count = 0 + chunk_start = 0 + chunk_end = 0 + column_count = df.shape[1] + if column_count >= MAXCOLS: + # Here the number of columns is greater than + # the maximum allowed by Excel, so multiple + # outputs will be produced. + while column_count >= MAXCOLS: + count += 1 + chunk_end += MAXCOLS + df_of_type = df.iloc[:, chunk_start:chunk_end] + output_excel(df_of_type, type_str, group_str, annotation_dict, count=count) + chunk_start += MAXCOLS + column_count -= MAXCOLS + count += 1 + df_of_type = df.iloc[:, chunk_start:] + output_excel(df_of_type, type_str, group_str, annotation_dict, count=count) + else: + output_excel(df, type_str, group_str, annotation_dict) + + +def preprocess_tables(newick_file, json_file, json_avg_mq_file, annotation_dict): + avg_mq_series = pandas.read_json(json_avg_mq_file, typ='series', orient='split') + # Map quality to dataframe. + mqdf = avg_mq_series.to_frame(name='MQ') + mqdf = mqdf.T + # Get the group. + group = get_sample_name(newick_file) + snps_df = pandas.read_json(json_file, orient='split') + with open(newick_file, 'r') as fh: + for line in fh: + line = re.sub('[:,]', '\n', line) + line = re.sub('[)(]', '', line) + line = re.sub(r'[0-9].*\.[0-9].*\n', '', line) + line = re.sub('root\n', '', line) + sample_order = line.split('\n') + sample_order = list([_f for _f in sample_order if _f]) + sample_order.insert(0, 'root') + tree_order = snps_df.loc[sample_order] + # Count number of SNPs in each column. + snp_per_column = [] + for column_header in tree_order: + count = 0 + column = tree_order[column_header] + for element in column: + if element != column[0]: + count = count + 1 + snp_per_column.append(count) + row1 = pandas.Series(snp_per_column, tree_order.columns, name="snp_per_column") + # Count number of SNPS from the + # top of each column in the table. + snp_from_top = [] + for column_header in tree_order: + count = 0 + column = tree_order[column_header] + # for each element in the column + # skip the first element + for element in column[1:]: + if element == column[0]: + count = count + 1 + else: + break + snp_from_top.append(count) + row2 = pandas.Series(snp_from_top, tree_order.columns, name="snp_from_top") + tree_order = tree_order.append([row1]) + tree_order = tree_order.append([row2]) + # In pandas=0.18.1 even this does not work: + # abc = row1.to_frame() + # abc = abc.T --> tree_order.shape (5, 18), abc.shape (1, 18) + # tree_order.append(abc) + # Continue to get error: "*** ValueError: all the input arrays must have same number of dimensions" + tree_order = tree_order.T + tree_order = tree_order.sort_values(['snp_from_top', 'snp_per_column'], ascending=[True, False]) + tree_order = tree_order.T + # Remove snp_per_column and snp_from_top rows. + cascade_order = tree_order[:-2] + # Output the cascade table. + output_cascade_table(cascade_order, mqdf, group, annotation_dict) + # Output the sorted table. + output_sort_table(cascade_order, mqdf, group, annotation_dict) + + +if __name__ == '__main__': + parser = argparse.ArgumentParser() + + parser.add_argument('--gbk_file', action='store', dest='gbk_file', required=False, default=None, help='Optional gbk file'), + parser.add_argument('--input_avg_mq_json', action='store', dest='input_avg_mq_json', help='Average MQ json file') + parser.add_argument('--input_newick', action='store', dest='input_newick', help='Newick file') + parser.add_argument('--input_snps_json', action='store', dest='input_snps_json', help='SNPs json file') + + args = parser.parse_args() + + if args.gbk_file is not None: + # Create the annotation_dict for annotating + # the Excel tables. + annotation_dict = get_annotation_dict(args.gbk_file) + else: + annotation_dict = None + + preprocess_tables(args.input_newick, args.input_snps_json, args.input_avg_mq_json, annotation_dict)