beispiele/http1.py

@@ -1,34 +0,0 @@
-import sys
-import requests
-import lxml.html
-
-base_url = "https://en.wikipedia.org/"
-if len(sys.argv) >= 2:
-    url = base_url + sys.argv[1]
-else:
-    url = "https://en.wikipedia.org/wiki/Python_(programming_language)"
-
-resp = requests.get(url)
-
-see_also = []
-
-if resp.status_code == 200:
-    html = resp.text
-    #print(html[:100])
-    tree = lxml.html.fromstring(html)
-
-    see_also_heading = tree.xpath("//span[@id='See_also']")[0].getparent()
-
-    for sibling in see_also_heading.itersiblings():
-        hrefs = sibling.xpath("li/a")
-
-        for href in hrefs:
-            title = href.get("title")
-            see_also_url = href.get("href")
-            #print(title, see_also_url)
-            ## TODO
-            ## Parse URL from command line with urlllib.parse.urlsplit()
-            ## and concatenate base URL and relative URL from link
-            see_also.append((title, base_url + see_also_url))
-
-print(see_also)

beispiele/readfile6.py

@@ -24,13 +24,11 @@ try:
                 print(f"Warning: could not parse line {i+1}: {exc}")
             else:
                 try:
-                    # split raw data at commas
-                    items = [int(item.strip()) for item in raw_data.split(",")]
+                    items = [int(item) for item in raw_data.split(",")]          # split raw data at commas
                 except (ValueError, TypeError) as exc:
                     print(f"Warning: could not parse data on line {i+1}: {exc}")
-                else:
-                    data[name.strip()] = items
 
+            data[name.strip()] = items
 except OSError as exc:
     print(f"Could not open file {filename}: {exc}")
 

loesungen/dateien.py

@@ -1,137 +0,0 @@
-# Aufgabe 1
-
-fp = open("../uebungen/employee_skills.txt", encoding="utf-8")
-contents = fp.read()
-fp.close()
-
-print("Länge:", len(contents))
-
-print("-" * 50)
-
-# Alternativ:
-
-with open("../uebungen/employee_skills.txt") as fp:
-    contents = fp.read()
-
-print(contents)
-
-print("-" * 50)
-
-
-# Aufgabe 2
-
-with open("../uebungen/employee_skills.txt") as fp:
-    i = 0
-    for line in fp:
-        line = line.strip()
-
-        if not line:
-            continue
-
-        i += 1
-
-print("Nicht leere Zeilen:", i)
-
-print("-" * 50)
-
-
-# Aufgabe 3
-
-employees = []
-with open("../uebungen/employee_skills.txt") as fp:
-    for line in fp:
-        if not line.strip():
-            continue
-
-        name = line.split(":")[0].strip()
-        employees.append(name)
-
-employees.sort()
-
-for name in employees:
-    print(name)
-
-print("-" * 50)
-
-
-# Aufgabe 4
-
-employee_salaries = {}
-with open("../uebungen/salaries.txt") as fp:
-    for line in fp:
-        if not line.strip():
-            continue
-
-        name, salary = line.strip().split(":", 1)
-        name = name.strip()
-        salary = int(salary.strip())
-        employee_salaries[name] = salary
-
-print("Min. Gehalt:", min(employee_salaries.values()))
-print("Max. Gehalt:", max(employee_salaries.values()))
-
-print("-" * 50)
-
-
-# Aufgabe 5
-
-employee_skills = {}
-with open("../uebungen/employee_skills.txt") as fp:
-    for line in fp:
-        if not line.strip():
-            continue
-
-        name, skills = line.strip().split(":", 1)
-        name = name.strip()
-        skills = [item.strip() for item in skills.split(",")]
-        employee_skills[name] = skills
-
-
-# Aufgabe 6
-
-employees = {}
-
-for key in employee_salaries:
-    salary = employee_salaries.get(key, 0)
-    skills = employee_skills.get(key)
-    employees[key] = {"skills": skills, "salary": salary}
-
-print("-" * 50)
-
-
-# Aufgabe 6
-
-employee_salaries = {}
-try:
-    with open("../uebungen/salaries-errors.txt") as fp:
-        for i, line in enumerate(fp):
-            # remove whitspace at satrt / end of line
-            line = line.strip()
-
-            # ignore empty / whitespace-only lines
-            # and comment lines
-            if not line or line.startswith("#"):
-                continue
-
-            try:
-                name, salary = line.strip().split(":", 1)
-            except ValueError as exc:
-                print(f"Warning: could not parse line {i+1}: {exc}")
-            else:
-                name = name.strip()
-                try:
-                    salary = salary.strip()
-                    salary = salary.strip("$€")
-                    salary = int(salary)
-                except (ValueError, TypeError) as exc:
-                    print(f"Warning: could not parse data on line {i+1}: {exc}")
-                else:
-                    employee_salaries[name] = salary
-except FileNotFoundError as exc:
-    print(f"Could not open file: {exc}")
-
-
-print("Min. Gehalt:", min(employee_salaries.values()))
-print("Max. Gehalt:", max(employee_salaries.values()))
-
-print("-" * 50)