使用pywapi获取用户输入的位置ID

Question

我想制作一个简单的CLI应用程序来检索天气数据。不幸的是，我对此没有太大的了解，因为我在早期阶段就陷入困境。这是到目前为止我的代码：

import pywapi, string 

loc=input("What is the city you're closest to?") 
loc=loc.lower 

#this will give you a dictionary of all cities in the world with this city's name Be specific (city, country)! 
loc_id=pywapi.get_location_ids(loc) 
#apparently this is a needed workaround to access last item of dictionary 
for i in loc_id: 
    loc_id=i 

#before I go on to code anything further, I just want to use print to check that I've got the two variables I need 
print (loc,loc_id) 

当被问及对于一个城市，我可以进入伦敦例如，伦敦，英国，但都扔了一个错误：（这是我的本地机器上）

Traceback (most recent call last): 
    File "get_weather.py", line 7, in <module> 
    loc_id=pywapi.get_location_ids(loc) 
    File "/home/james/.local/lib/python3.4/site-packages/pywapi.py", line 825, in get_location_ids 
    loc_id_data = get_loc_id_from_weather_com(search_string) 
    File "/home/james/.local/lib/python3.4/site-packages/pywapi.py", line 856, in get_loc_id_from_weather_com 
    url = LOCID_SEARCH_URL % quote(search_string) 
    File "/usr/lib/python3.4/urllib/parse.py", line 694, in quote 
    return quote_from_bytes(string, safe) 
    File "/usr/lib/python3.4/urllib/parse.py", line 719, in quote_from_bytes 
    raise TypeError("quote_from_bytes() expected bytes") 
TypeError: quote_from_bytes() expected bytes 

而这个错误，这是不同的，当我使用Pythonanywhere

Traceback (most recent call last): 
    File "/home/pydavith/get_weather.py", line 7, in <module> 
    loc_id=pywapi.get_location_ids(loc) 
    File "/home/pydavith/.local/lib/python3.6/site-packages/pywapi.py", line 825, in get_location_ids 
    loc_id_data = get_loc_id_from_weather_com(search_string) 
    File "/home/pydavith/.local/lib/python3.6/site-packages/pywapi.py", line 852, in get_loc_id_from_weather_co 
m 
    search_string = unidecode(search_string) 
    File "/usr/local/lib/python3.6/dist-packages/unidecode/__init__.py", line 48, in unidecode_expect_ascii 
    bytestring = string.encode('ASCII') 
AttributeError: 'builtin_function_or_method' object has no attribute 'encode' 

没有任何人有任何想法是怎么回事错在这里？我已经广泛地用鸭子和谷歌搜索，但没有发现任何东西。帮助将不胜感激！

Answer 1

好的，我自己已经找到了一个可行的答案。我在这里分享代码，以防万一这有助于其他人。

我在这里改变了很多东西，很难知道从哪里开始。也就是说，我最初发布的代码有很多错误和需要改进的地方。

import pywapi 

# getting input from the user regarding location 
#this will give a dictionary of all cities in the world with this city's name 
loc=str.title(input("What is the city you're closest to? ")) 
print("Searching for ", loc) 
loc_id=pywapi.get_location_ids(loc) 
#Now we have a dictionary (it seems as standard it returns a maximum of ten key:value pairs. Now to convert it to a list just so I can number the entries and ultimately allow the user select the correct entry easily. (Note, there may be a way to do this without converting the dictionary to a list, but I couldn't find it) 
loc_list = [ [k,v] for k, v in loc_id.items() ] 

#Now I am going to check if the length of the list is over 1 value (i.e. if there's more than one choice, and if there is, to run a for loop printing each entry with a number 

list_leng=len(loc_list) 
if list_leng >1: 
#fix some value for x and y to be used in the for loop 
    x=1 
    y = 0 
    for l in loc_id: 
     print (x,loc_list[y]) 
     x = x+1 
     y=y+1 
    index_choice=(int(input("Which city do you mean? Enter a choice from 1 to " + str(list_leng) + ": ")))-1 
else: 
    index_choice=0 


loc_id=loc_list[index_choice] 
print("You selected ",loc_id[1]) 
loc_id=loc_id[0] 

print ("Location ID for "+loc+" is ",loc_id) 

def gettt_weather(loc_id): 
    """Fetches the weather information from Weather.com using a location stored under the variable loc_id""" 
    print("Looking up the weather for "+loc) 
    weather_com_result = pywapi.get_weather_from_weather_com(loc_id,units='metric') 
    print ("Weather.com says that it is "+ weather_com_result['current_conditions']['text'].lower()+" and", weather_com_result['current_conditions']['temperature']+"°C now in " + loc) 

gettt_weather(loc_id) 

无论如何，这工作正如我想要的，所以我希望这对某些初学者有用。如果有人有任何进一步的改进，请让我知道。