Das deutsche Python-Forum

Code: Alles auswählen

# mit eval, wenn Du Dir sicher bist, dass in text.txt nichts Boeses steht
text = []
for line_str in open("text.txt").readlines():
    line = eval(line_str)
    line[2] = line[2][0]
    text.append(line)

# mit replace, funktioniert nicht, wenn in den Strings selbst "[" oder "]" steht
text = []
for line_str in open("text.txt").readlines():
    line = line_str.split(",")
    line = [l.replace("[","").replace("]","",).replace("'","").strip() for l in line]
    text.append(line)

for i in range(len(text)):
    for j in range(3):
        print i, j, text[i][j]

Code: Alles auswählen

0 0 a1
0 1 a2
0 2 langer text
1 0 b1
1 1 b2
1 2 langer text
2 0 c1
2 1 c2
2 2 langer text
3 0 d1
3 1 d2
3 2 langer text

Code: Alles auswählen

['a1', 'a2', ['langer text']]
['b1', 'b2', ['langer text']]
['c1', 'c2', ['langer text']]
['d1', 'd2', ['langer text']]

Code: Alles auswählen

data=[
['a1', 'a2', ['langer text']],
['b1', 'b2', ['langer text']],
['c1', 'c2', ['langer text']],
['d1', 'd2', ['langer text']]
]

Code: Alles auswählen

def METAR_download(): 
  metarconfig()
  del metarLCD[:]
  global text
  meinftp = ftplib.FTP('tgftp.nws.noaa.gov','','',90) #Bei der Erzeugung einer FTP-Instanz kann
  meinftp.login("","")
  directory = '/data/observations/metar/stations/' #ftp-Hauptverzeichnis  
  meinftp.cwd(directory) #Wir nutzen das Hauptverzeichnis des ftp-Servers. 
  
  for i in range(0, len(metarstations)):
    filename = metarstations[i]+".TXT"#print filename
    meinftp.retrlines('RETR '+filename, METARDaten)
    text = text.split("\n")
    del text [0]
    del text [1]
    metarLCD.append(metarstations[i])
    metarLCD.append(metarstationsname[i])
    metarLCD.append(text)    
    text=""

  meinftp.quit() #"hoefliches" Trennen meinerseits der ftp-Verbindung

def logTOfile():
  doc = open ('/pfad/zur/textdatei', 'a')
  for i in range(0,len(metarstations)):
    x = i*3
    nachricht = str(metarLCD[0+x:3+x])
    doc.write(strftime(nachricht +'\n'))
  doc.close()


METAR_download()
logTOfile()

Code: Alles auswählen

[Station]
metarstations =("EDDK","EDDL","EDDM")
[Stationname]
metarstationsname =("Koeln/Bonn","Duesseldorf","Muenchen")

Code: Alles auswählen

[Stations]
EDDK=Koeln/Bonn
EDDL=Duesseldorf
EDDM=Muenchen

Code: Alles auswählen

    [Station]
    metarstations =("EDDK","EDDL","EDDM")
    [Stationname]
    metarstationsname =("Koeln/Bonn","Duesseldorf","Muenchen")

Code: Alles auswählen

from __future__ import absolute_import, division, print_function
import csv
from ConfigParser import ConfigParser
from ftplib import FTP

CONFIG_FILENAME = 'test.ini'
CSV_FILENAME = 'test.csv'
FTP_PATH = '/data/observations/metar/stations/'


def load_stations(filename):
    configuration = ConfigParser()
    configuration.read(filename)
    return dict((k.upper(), v) for k, v in configuration.items('Stations'))


def download_stations_data(station_ids):
    result = dict()
    ftp = FTP('tgftp.nws.noaa.gov', timeout=90)
    try:
        ftp.login('', '')
        ftp.cwd(FTP_PATH)
        for station_id in station_ids:
            print(station_id)
            lines = list()
            ftp.retrlines('RETR {0}.TXT'.format(station_id), lines.append)
            result[station_id] = lines[-1]
    finally:
        ftp.quit()
    return result


def get_data(config_filename):
    station_id2city_name = load_stations(config_filename)
    station_id2data = download_stations_data(station_id2city_name)
    return [
        (
            station_id,
            station_id2city_name[station_id],
            station_id2data[station_id]
        )
        for station_id in station_id2data
    ]


def append_to_file(csv_filename, rows):
    with open(csv_filename, 'a') as csv_file:
        writer = csv.writer(csv_file, delimiter=';')
        writer.writerows(rows)


def main():
    append_to_file(CSV_FILENAME, get_data(CONFIG_FILENAME))


if __name__ == '__main__':
    main()

Code: Alles auswählen

import csv, sys

filename = 'test.csv'
with open(filename, 'rb') as f:
    reader = csv.reader(f)
    try:
        for row in reader:
            print row
            

    except csv.Error as e:
        sys.exit('file %s, line %d: %s' % (filename, reader.line_num, e))

Code: Alles auswählen

[Stations]
EDDK=Koeln/Bonn
EDDL=Duesseldorf
EDDM=Muenchen