feat: add excel input option

itolparser/args.py

@@ -125,10 +125,12 @@ def select_input_type(args):
         delim = ","
     else:
         logging.info("No delimiter specified, trying to infer from file extension")
-        if args.input.suffix == ".tsv":
+        if args.input.suffix in [".tsv", ".txt"]:
             delim = "\t"
-        elif args.input.suffix == ".csv":
+        elif args.input.suffix in [".csv"]:
             delim = ","
+        elif args.input.suffix in [".xlsx"]:
+            delim = "xlsx"
         else:
             logging.warning(
                 "Could not infer delimiter from file extension, letting pandas.read_csv guess"

itolparser/main.py

@@ -2,6 +2,7 @@
 
 import colorbrewer as cb
 import pandas as pd
+import openpyxl
 import numpy as np
 import random
 from itolparser.version import __version__, __author__, __description__
@@ -38,7 +39,10 @@ def __init__(
 
     def read_input(self):
         """Read in typing/metadata table using the provided delimiter"""
-        self.df = pd.read_csv(self.input, sep=self.delim)
+        if self.delim == "xlsx":
+            self.df = pd.read_excel(self.input)
+        else:
+            self.df = pd.read_csv(self.input, sep=self.delim)
 
     # def make_output_dir(self):
     #     """Make output directory if it does not exist yet"""

setup.py

@@ -15,7 +15,7 @@
     long_description_content_type="text/markdown",
     url="https://github.com/boasvdp/itolparser",
     packages=setuptools.find_packages(),
-    install_requires=["colorbrewer", "pandas", "numpy"],
+    install_requires=["colorbrewer", "pandas", "numpy", "openpyxl"],
     python_requires=">=3",
     entry_points={
         "console_scripts": [