43 lines
1.2 KiB
Python
Executable File
43 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python3
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def read_file(path: str) -> "List of lines":
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#f = open(path, 'r')
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with open(path, 'r') as f:
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# f.read(buflen) - binary read
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# f.readline() - 1 Textzeile lesen -> str
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# f.readlines - alle Textzeilen lesen ->str
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# f ist gleichzeitig Iterator
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# 1 möglichkeit
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#lines = list(map(lambda s : s.rstrip(), f))
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# 2 möflichkeit
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lines = list(map(str.rstrip, f))
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# 3 möglichkeit
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#lines = []
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# for line in f.readlines():
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# lines.append(line.rstrip())
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# f.close()
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return lines
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def build_userlist(lines) -> "List of user dicts":
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result = []
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for line in lines:
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result.append(parse_passwd_lines(line))
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return result
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def parse_passwd_lines(line: str) -> "Dict of passwd details":
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parts = line.split(':')
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userdict = {
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"username": parts[0],
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"uid": int(parts[2]),
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"gid": int(parts[3]),
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"realname": parts[4].split(',')[0],
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"gecos": parts[4],
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"home": parts[5],
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"shell": parts[6]
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}
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return userdict
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test = read_file("/etc/passwd")
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userlist = [i['username'] for i in build_userlist(test)]
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print(userlist) |