docstring for functions related to involved in

app/cmd/db.py

@@ -232,22 +232,36 @@ def __grape_indiv(list_person, role: str):
                 print(person_text, "==", prince_q[0])
 
 def _create_involved_in(folder: str):
+    """create involved in table
+    NB : relation table containing 3 foreigns keys
+    """
     princes_actes = []
     for acte in os.listdir(folder):
         if acte.endswith(".xml"):
+            # 1/ Get act's id.
+            # the file name is the act'id when you remove ".xml"
+            # so we make a query on Acte to get the primary key.
+            # the act's id remains the same whether the individual
+            # is a prince or a signatory, so no need to iterate.
             acte_q = [t.id_acte for t in Acte.select().where(
                 Acte.filename == acte.replace(".xml", ""))]
             # print(acte, "==", acte_q[0])
             soup = make_soup(os.path.join(folder, acte))
+            # 2A/ 1st iteration for princes individuals.
             for persons in soup.sourceDesc.find_all("listPerson", {"type": "prince"}):
+                # persons == //sourceDesc/listPerson/listPerson[@type="prince"]
                 for person_tag in persons.find_all("person"):
+                    # person_tag = <person>\n<name>\n?prince's name\n?</name>\n</person>
                     person_text = person_tag.text.replace("\n", "")
                     if person_text != "None":
+                        # get the prince's id
                         prince_q = [t.id_indiv for t in Individual.select().where(
                             Individual.name_indiv == person_text)]
+                        # a prince is always an act's producer
                         interv_q = [t.id_intev for t in Intervention_type.select().where(
                             Intervention_type.interv_label == "producer")]
                         # print(person_text, "==", prince_q[0])
+                        # Exception Handling : when we forget to add the name in the csv
                         try:
                             prince_q[0]
                         except IndexError:
@@ -256,6 +270,9 @@ def _create_involved_in(folder: str):
                         princes_actes.append({"involved_in_acte": acte_q[0],
                             "involved_in_prince": prince_q[0],
                             "invol_in_interv": interv_q[0]})
+            # 2B/ 2th iteration for signatories individuals.
+            # NB : a prince may sign an act
+            # the process is basically the same than 2A
             for persons in soup.sourceDesc.find_all("listPerson", {"type": "signatory"}):
                 for person_tag in persons.find_all("person"):
                     person_text = person_tag.text.replace("\n", "")
@@ -273,6 +290,7 @@ def _create_involved_in(folder: str):
                         princes_actes.append({"involved_in_acte": acte_q[0],
                             "involved_in_prince": prince_q[0],
                             "invol_in_interv": interv_q[0]})
+    # 3/ Create the table
     for data in tqdm(princes_actes, desc="Populating involved_in..."):
         Involved_in.create(**data)