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67 lines
2.2 KiB
67 lines
2.2 KiB
"""
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FormConfig is the in-memory representation of a form configuration JSON file.
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It holds information (title, users, the form definitions) on the form
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configuration being served by this instance of ScriptForm.
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"""
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import logging
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import stat
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import os
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class FormConfigError(Exception):
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"""
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Default error for FormConfig errors
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"""
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class FormConfig(object):
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"""
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FormConfig is the in-memory representation of a form configuration JSON
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file. It holds information (title, users, the form definitions) on the
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form configuration being served by this instance of ScriptForm.
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"""
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def __init__(self, title, forms, users=None, static_dir=None,
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custom_css=None):
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self.title = title
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self.users = {}
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if users is not None:
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self.users = users
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self.forms = forms
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self.static_dir = static_dir
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self.custom_css = custom_css
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self.log = logging.getLogger('FORMCONFIG')
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# Validate scripts
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for form_def in self.forms:
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if not stat.S_IXUSR & os.stat(form_def.script)[stat.ST_MODE]:
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msg = "{0} is not executable".format(form_def.script)
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raise FormConfigError(msg)
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def get_form_def(self, form_name):
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"""
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Return the form definition for the form with name `form_name`. Returns
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an instance of FormDefinition class or raises ValueError if the form
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was not found.
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"""
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for form_def in self.forms:
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if form_def.name == form_name:
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return form_def
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raise ValueError("No such form: {0}".format(form_name))
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def get_visible_forms(self, username=None):
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"""
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Return a list of all visible forms. Excluded forms are those that have
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the 'hidden' property set, and where the user has no access to.
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"""
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form_list = []
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for form_def in self.forms:
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if form_def.allowed_users is not None and \
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username not in form_def.allowed_users:
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continue # User is not allowed to run this form
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if form_def.hidden:
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continue # Don't show hidden forms in the list.
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else:
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form_list.append(form_def)
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return form_list
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