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annotate test/test_pythonexpr.py @ 7836:219fc5804345

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issue2551270 - Better templating support for JavaScript Add (templating) utils.readfile(file, optional=False) and utils.expandfile(file, token_dict=None, optional=False). Allows reading an external file (e.g. JavaScript) and inserting it using tal:contents or equivalent jinja function. expandfile allows setting a dictionary and tokens in the file of the form "%(token_name)s" will be replaced in the file with the values from the dict. See method doc blocks or reference.txt for more info. Also reordered table in references.txt to be case sensitive alphabetic. Added a paragraph on using python's help() to get method/function/... documention blocks. in templating.py _find method. Added explicit return None calls to all code paths. Also added internationalization method to the TemplatingUtils class. Fixed use of 'property' hiding python builtin of same name. Added tests for new TemplatingUtils framework to use for testing existing utils.
author John Rouillard <rouilj@ieee.org>
date Tue, 26 Mar 2024 14:15:46 -0400
parents e70885fe72a4
children
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1 """
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2 In Python 3, sometimes TAL "python:" expressions that refer to
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3 variables but not all variables are recognized. That is in Python 2.7
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4 all variables used in a TAL "python:" expression are recognized as
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5 references. In Python 3.5 (perhaps earlier), some TAL "python:"
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6 expressions refer to variables but the reference generates an error
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7 like this:
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8
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9 <class 'NameError'>: name 'some_tal_variable' is not defined
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10
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11 even when the variable is defined. Output after this message lists the
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12 variable and its value.
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13 """
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14
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15 import unittest
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16
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17 from roundup.cgi.PageTemplates.PythonExpr import PythonExpr as PythonExprClass
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18
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19 class ExprTest(unittest.TestCase):
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20 def testExpr(self):
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21 expr = '[x for x in context.assignedto ' \
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22 'if x.realname not in user_realnames]'
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23 pe = PythonExprClass('test', expr, None)
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24 # Looking at the expression, only context and user_realnames are
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25 # external variables. The names assignedto and realname are members,
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26 # and x is local.
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27 required_names = ['context', 'user_realnames']
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28 got_names = pe._f_varnames
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29 for required_name in required_names:
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30 self.assertIn(required_name, got_names)
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