2 Miscellaneous things |
2 Miscellaneous things |
3 """ |
3 """ |
4 |
4 |
5 import datetime |
5 import datetime |
6 |
6 |
7 class Date (object) : |
7 from qmsk.web.urltree import URLType |
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8 |
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9 class URLChannelName (URLType) : |
8 """ |
10 """ |
9 Handle dates in URLs as datetime objects (with indeterminate time info) in some timezone |
11 Handle LogChannel names in URLs. Deals with instances of LogChannel |
10 """ |
12 """ |
11 |
13 |
12 def __init__ (self, tz, date_fmt="%Y-%m-%d") : |
14 def __init__ (self, channels) : |
13 """ |
15 """ |
14 Format/parse dates in the given timezone using the given format |
16 Use the given { name -> LogChannel } dict |
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17 """ |
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18 |
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19 self.channels = channels |
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20 |
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21 def parse (self, chan_name) : |
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22 """ |
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23 chan_name -> LogChannel |
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24 """ |
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25 |
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26 return self.channels[chan_name] |
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27 |
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28 def build (self, chan) : |
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29 """ |
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30 LogChannel -> chan_name |
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31 """ |
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32 |
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33 return chan.id |
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34 |
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35 class URLFormatterName (URLType) : |
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36 """ |
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37 Handle LogFormatter names in URLs. Note that they evaluate into the LogFormatter class itself, not an |
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38 instance, although build requiers an instance |
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39 """ |
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40 |
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41 def __init__ (self, formatters) : |
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42 """ |
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43 Use the given { name -> class LogFormatter } dict |
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44 """ |
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45 |
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46 self.formatters = formatters |
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47 |
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48 def parse (self, fmt_name) : |
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49 """ |
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50 fmt_name -> class LogFormatter |
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51 """ |
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52 |
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53 return self.formatters[fmt_name] |
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54 |
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55 def build (self, fmt) : |
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56 """ |
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57 LogFormatter -> fmt_name |
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58 """ |
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59 |
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60 return fmt.name |
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61 |
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62 class URLDateType (URLType) : |
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63 """ |
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64 Handle dates in URLs as naive datetime objects (with indeterminate time info) |
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65 """ |
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66 |
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67 def __init__ (self, date_fmt="%Y-%m-%d") : |
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68 """ |
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69 Format/parse dates using the given format |
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70 """ |
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71 |
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72 self.date_fmt = date_fmt |
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73 |
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74 def parse (self, date_str) : |
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75 """ |
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76 date_str -> naive datetime.datetime |
15 """ |
77 """ |
16 |
78 |
17 self.tz = tz |
79 return datetime.datetime.strptime(date_str, self.date_fmt) |
18 self.date_fmt = date_fmt |
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19 |
80 |
20 __name__ = "date" |
81 def build (self, date) : |
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82 """ |
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83 datetime.date -> date_str |
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84 """ |
21 |
85 |
22 def __call__ (self, date_str) : |
86 return date.strftime(self.date_fmt) |
23 """ |
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24 Parse the given date string |
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25 """ |
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26 |
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27 return datetime.datetime.strptime(date_str, self.date_fmt).replace(tzinfo=self.tz) |
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28 |
87 |