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comparison piecrust/templating/jinjaengine.py @ 326:1ecc0c16ba64 2.0.0a6

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data: Better error message for old date formats, add `emaildate` filter.
author Ludovic Chabant <ludovic@chabant.com>
date Mon, 30 Mar 2015 14:43:08 -0700
parents b7ab1b503510
children 938be93215cb
comparison
equal deleted inserted replaced
325:c750dc21d55d 326:1ecc0c16ba64
1 import re 1 import re
2 import time 2 import time
3 import os.path 3 import os.path
4 import logging 4 import logging
5 import threading 5 import threading
6 import email.utils
6 import strict_rfc3339 7 import strict_rfc3339
7 from jinja2 import Environment, FileSystemLoader, TemplateNotFound 8 from jinja2 import Environment, FileSystemLoader, TemplateNotFound
8 from jinja2.exceptions import TemplateSyntaxError 9 from jinja2.exceptions import TemplateSyntaxError
9 from jinja2.ext import Extension, Markup 10 from jinja2.ext import Extension, Markup
10 from jinja2.lexer import Token, describe_token 11 from jinja2.lexer import Token, describe_token
147 'wordcount': get_word_count, 148 'wordcount': get_word_count,
148 'stripoutertag': strip_outer_tag, 149 'stripoutertag': strip_outer_tag,
149 'stripslash': strip_slash, 150 'stripslash': strip_slash,
150 'titlecase': title_case, 151 'titlecase': title_case,
151 'atomdate': get_atom_date, 152 'atomdate': get_atom_date,
153 'emaildate': get_email_date,
152 'date': get_date}) 154 'date': get_date})
153 155
154 # Backwards compatibility with Twig. 156 # Backwards compatibility with Twig.
155 if twig_compatibility_mode is True: 157 if twig_compatibility_mode is True:
156 self.filters['raw'] = self.filters['safe'] 158 self.filters['raw'] = self.filters['safe']
237 239
238 def get_atom_date(value): 240 def get_atom_date(value):
239 return strict_rfc3339.timestamp_to_rfc3339_localoffset(int(value)) 241 return strict_rfc3339.timestamp_to_rfc3339_localoffset(int(value))
240 242
241 243
244 def get_email_date(value, localtime=False):
245 return email.utils.formatdate(value, localtime=localtime)
246
247
242 def get_date(value, fmt): 248 def get_date(value, fmt):
243 if value == 'now': 249 if value == 'now':
244 value = time.time() 250 value = time.time()
245 if '%' not in fmt: 251 if '%' not in fmt:
246 suggest = php_format_to_strftime_format(fmt) 252 suggest = php_format_to_strftime_format(fmt)
253 if suggest != fmt:
254 suggest_message = ("You probably want a format that looks "
255 "like: '%s'." % suggest)
256 else:
257 suggest_message = ("We can't suggest a proper date format "
258 "for you right now, though.")
247 raise Exception("PieCrust 1 date formats won't work in PieCrust 2. " 259 raise Exception("PieCrust 1 date formats won't work in PieCrust 2. "
248 "You probably want a format that look like '%s'. " 260 "%s\n"
249 "Please check the `strftime` formatting page here: " 261 "Please check the `strftime` formatting page here: "
250 "https://docs.python.org/3/library/datetime.html" 262 "https://docs.python.org/3/library/datetime.html"
251 "#strftime-and-strptime-behavior" % 263 "#strftime-and-strptime-behavior" %
252 suggest) 264 suggest_message)
253 return time.strftime(fmt, time.localtime(value)) 265 return time.strftime(fmt, time.localtime(value))
254 266
255 267
256 class PieCrustFormatExtension(Extension): 268 class PieCrustFormatExtension(Extension):
257 tags = set(['pcformat']) 269 tags = set(['pcformat'])