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annotate makeitso/template.py @ 42:73dac34d2692

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more stubbing of API class; first get something off the ground; then rewrite
author Jeff Hammel <jhammel@mozilla.com>
date Tue, 04 Jan 2011 07:38:49 -0800
parents 9956e13558dd
children 6e08cca7d656
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1 """
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2 basic API template class
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3 """
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4
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5 import os
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6 import sys
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7 from makeitso import ContentTemplate
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8 from makeitso import PolyTemplate
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10 class Variable(object):
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11 """variable object for MakeItSo templates"""
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13 def __init__(self, name, default=None, description=None,
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14 cast=None):
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15 self.name = name
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16 self.default = default
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17 self.description = description
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19 # TODO (maybe): get cast from default variable type if not None
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20 self.cast = cast
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22 self._set = False
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24 def set(self, value):
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25 if self.cast:
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26 self.value = self.cast(value)
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27 else:
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28 self.value = value
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29 self._set = True
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31 def read(self, fd=sys.stdout):
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32 """prompt and read the variable from stdin"""
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33 fd.write(self.display())
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34 self.set(raw_input())
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35
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36 def display(self):
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37 description = self.description or self.name
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38 if self.default:
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39 return 'Enter %s [DEFAULT: %s]:' % (description, repr(self.default))
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40 else:
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41 return 'Enter %s:' % description
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42
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43 class MakeItSoTemplate(ContentTemplate):
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44 """API template for MakeItSo"""
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45
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46 # name of the template
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47 name = ''
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48
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49 # templates to interpolate
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50 # paths are relative to __file__ unless absolute or URIs
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51 templates = []
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52
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53 # variables
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54 vars = []
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55
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56 # inspect the templates for more variables
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57 look = False
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58
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59 def __init__(self, output=None, interactive=True, **variables):
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60 assert self.templates
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61 self.output = output
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62 self.interactive = interactive
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63 self.location = os.path.dirnme(os.path.abspath(__file__))
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64 self.defaults = variables.copy
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65
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66 # ensure all of these templates exist
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67 for template in self.templates:
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68 if template.startswith('http://') or template.startswith('https://'):
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69 continue
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70 if os.path.isabs(template):
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71 path = template
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72 else:
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73 path = os.path.join(self.location, template)
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74 assert os.path.exists(template)
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76 def pre(self, **variables):
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77 """do stuff before interpolation"""
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78
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79 def post(self, **variables):
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80 """do stuff after interpolation"""
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81
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82
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83 class PasteScriptTemplate(MakeItSoTemplate):
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84 """template for backwards compatability with PasteScript"""