src/gc_content/gc_content.py: add an id column in the table returned by...

src/gc_content/gc_content.py: add an id column in the table returned  by build_gc_dataframe, change bar colors in make_gc_barplot function

src/gc_content/gc_content.py

@@ -117,7 +117,7 @@ def build_gc_dataframe(bed_content: List[List], dic_seq: Fasta,
     :param ft_name: A name corresponding to the feature of interest
     :return: a table containing the gc content of the intervals
     """
-    dic = {"gc_content": [], "region": [], "location": []}
+    dic = {"gc_content": [], "region": [], "location": [], "id": []}
     for bed_line in bed_content:
         res = get_many_gc_content(bed_line, dic_seq,
                                   environment)
@@ -125,6 +125,7 @@ def build_gc_dataframe(bed_content: List[List], dic_seq: Fasta,
             dic["gc_content"].append(res[k])
             dic["location"].append(k.replace("interval", ft_name))
             dic["region"].append(bed_line[6])
+            dic["id"].append(bed_line[3])
     return pd.DataFrame(dic)
 
 
@@ -150,7 +151,9 @@ def make_gc_barplot(df: pd.DataFrame, outfile: Path, environment: int,
     p_vals = make_stat(df)
     if environment != 0:
         g = sns.catplot(x="location", y="gc_content", hue="region", data=df,
-                        aspect=1.77, height=12, kind="violin")
+                        aspect=1.77, height=12, kind="violin",
+                        palette={"readthrough_ctcf": "orange",
+                                 "readthrough": "#13791C", "no_readthrough": "#B6B6B6"})
         add_stat_annotation(g.ax, data=df, x="location", y="gc_content",
                             hue="region",
                             loc='inside',