Finished Task S2 for PR3

Personen.txt

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+Dr. Lucas Linus Kreutzer, 19.12.2022, Heidelberger Allee 18 68305 Mannheim, 0123456789
+Ing. Birgid Oestrovsky, 2022-03-12, Heidelberger Allee 18 68305 Mannheim, 0123456789

PersonenNeu.json

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+[
+  {
+    "Index": 1,
+    "Titel": [
+      "Dr."
+    ],
+    "Vorname": [
+      "Lucas"
+    ],
+    "Zweitname": [
+      "Linus"
+    ],
+    "Nachname": [
+      "Kreutzer"
+    ],
+    "Stra\u00dfe": [
+      "Heidelberger Allee"
+    ],
+    "Hausnummer": [
+      "18"
+    ],
+    "PLZ": [
+      "68305"
+    ],
+    "Wohnort": [
+      "Mannheim"
+    ],
+    "Geburtsdatum": [
+      "19.12.2022"
+    ]
+  },
+  {
+    "Index": 2,
+    "Titel": [
+      "Ing."
+    ],
+    "Vorname": [
+      "Birgid"
+    ],
+    "Zweitname": [
+      null
+    ],
+    "Nachname": [
+      "Oestrovsky"
+    ],
+    "Stra\u00dfe": [
+      "Heidelberger Allee"
+    ],
+    "Hausnummer": [
+      "18"
+    ],
+    "PLZ": [
+      "68305"
+    ],
+    "Wohnort": [
+      "Mannheim"
+    ],
+    "Geburtsdatum": [
+      "12.03.2022"
+    ]
+  }
+]

s2_a1.py

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+class X:
+    pass
+
+
+class Y(X):
+    pass
+
+
+class Z(X, Y):
+    pass
+
+
+xyz = Z()
+
+# L[X] = [X] + merge([X])
+# L[X] = [X]
+
+# L[Y] = [Y] + merge(L(X), [Y])
+# L[Y] = [Y] + merge([X], [Y])
+# L[Y] = [Y, X] + merge([Y])
+# L[Y] = [Y, X]
+
+# L[Z] = [Z] + merge(L(X), L(Y), [X, Y])
+# L[Z] = [Z] + merge([X], [Y, X], [X, Y])
+# >> cannot pick X
+# >> cannot pick Y

s2_a2.py

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+import re
+
+text = "If the the problem is textual, use the the re module"
+
+# \b  Beschränkt den Match auf den Anfang/das Ende des Wortes
+# \1  Referenz auf die erste Gruppe (In dem Fall das erste Vorkommen des Wortes)
+# \w+ Matched mindestens ein Wort
+
+text = re.sub(r'\b(\w+)( \1\b)+', r'\1', text)
+print(text)

s2_a3.py

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+import re
+import json
+
+index = 0
+
+def parse_zeile(zeile):
+    global index
+    index = index + 1
+
+    elemente = zeile.split(", ")
+    name = elemente[0]
+    geburtsdatum = elemente[1]
+    adresse = elemente[2]
+    rufnummer = elemente[3]
+    print(name, adresse, geburtsdatum, rufnummer)
+
+    person = {}
+
+    person['Index'] = index
+
+    name_matches = re.search(r'([^ ]+) ([^ ]+) ([^ ]+)(?: ([^ ]+))?', name)
+    person['Titel'] = [name_matches.group(1)]
+    person['Vorname'] = [name_matches.group(2)]
+    if name_matches.group(4) is None:
+        person['Zweitname'] = [None]
+        person['Nachname'] = [name_matches.group(3)]
+    else:
+        person['Zweitname'] = [name_matches.group(3)]
+        person['Nachname'] = [name_matches.group(4)]
+
+    adress_matches = re.search(r'([^0-9]+) ([0-9]+) ([0-9]{5,10}) (.+)', adresse)
+    person['Straße'] = [adress_matches.group(1)]
+    person['Hausnummer'] = [adress_matches.group(2)]
+    person['PLZ'] = [adress_matches.group(3)]
+    person['Wohnort'] = [adress_matches.group(4)]
+
+    birth_matches = re.search(r'([0-9]{2,4})[ .-]([0-9]{2})[ .-]([0-9]{2,4})', geburtsdatum)
+    if len(birth_matches.group(1)) == 4:
+        person['Geburtsdatum'] = [birth_matches.group(3) + "." + birth_matches.group(2) + "." + birth_matches.group(1)]
+    else:
+        person['Geburtsdatum'] = [birth_matches.group(1) + "." + birth_matches.group(2) + "." + birth_matches.group(3)]
+
+    return person
+
+
+personen = []
+
+with open("Personen.txt", 'r') as file:
+    for zeile in file:
+        personen.append(parse_zeile(zeile))
+
+with open("PersonenNeu.json", 'w') as file:
+    json.dump(personen, file)

s2_a4_a.py

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+import re
+
+def parse_number(number):
+    pattern = r'^(?:\+?1[- ])?(\(\d{3}\)|\d{3})[-. ](\d{3})[-. ](\d{4})$'
+
+    if not re.fullmatch(pattern, number):
+        raise ValueError("Ungültige Telefonnummer")
+
+    segments = re.search(pattern, number)
+
+    ortsvorwahl = segments.group(1).replace("(", "").replace(")", "")
+    amtskennziffer = segments.group(2)
+    vorwahl = segments.group(3)
+
+    if ortsvorwahl[0] <= '1' and ortsvorwahl[0] >= '0':
+        raise ValueError("Ungültige Telefonnummer")
+
+    if (vorwahl[0] <= '1' and vorwahl[0] >= '0') or vorwahl[1] == '9':
+        raise ValueError("Ungültige Telefonnummer")
+
+    return "1-" + ortsvorwahl + "-" + amtskennziffer + "-" + vorwahl

s2_a4_b.py

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+import unittest
+import s2_a4_a
+
+test_numbers = [
+    ("+1 223-456-7890", "1-223-456-7890"),
+    ("1-223-456-7890", "1-223-456-7890"),
+    ("+1 223 456-7890", "1-223-456-7890"),
+    ("(223) 456-7890", "1-223-456-7890"),
+    ("1 223 456 7890", "1-223-456-7890"),
+    ("223.456.7890", "1-223-456-7890"),
+    ("1-989-111-2222", "1-989-111-2222"),
+]
+
+test_numbers_invalid = [
+    "",
+    "+49 012 345 6821",
+    "+49 6821",
+    "1-182-324-4324",
+    "1-082-324-4324",
+    "1-682-624-1324",
+    "1-682-624-0324",
+    "1-682-624-5924",
+]
+
+
+class NumbersTests(unittest.TestCase):
+    def test_numbers(self):
+        for number, expected in test_numbers:
+            self.assertEqual(expected, s2_a4_a.parse_number(number))
+
+    def test_numbers_fails(self):
+        for number in test_numbers_invalid:
+            self.assertRaises(ValueError, lambda: s2_a4_a.parse_number(number))