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77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
# Copyright 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Parent class for writing sections."""
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import inspect
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import os
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class Sections(object):
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"""A class which creates sections for each method starting with "render_".
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The key for the section is the text after "render_"
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e.g. "render_room_events" has the section key "room_events"
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"""
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def __init__(self, env, units, debug=False):
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self.env = env
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self.units = units
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self.debug = debug
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def log(self, text):
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if self.debug:
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print("batesian:sections: %s" % text)
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def get_sections(self):
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render_list = inspect.getmembers(self, predicate=inspect.ismethod)
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section_dict = {}
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for (func_name, func) in render_list:
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if not func_name.startswith("render_"):
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continue
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section_key = func_name[len("render_"):]
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self.log("Generating section '%s'" % section_key)
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section = func()
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if isinstance(section, str):
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if section_key in section_dict:
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raise Exception(
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("%s : Section %s already exists. It must have been " +
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"generated dynamically. Check which render_ methods " +
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"return a dict.") %
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(func_name, section_key)
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)
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section_dict[section_key] = section
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self.log(
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" Generated. Snippet => %s" % section[:60].replace("\n","")
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)
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elif isinstance(section, dict):
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self.log(" Generated multiple sections:")
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for (k, v) in section.items():
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if not isinstance(k, str) or not isinstance(v, str):
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raise Exception(
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("Method %s returned multiple sections as a dict but " +
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"expected the dict elements to be strings but they aren't.") %
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(func_name, )
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)
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if k in section_dict:
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raise Exception(
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"%s tried to produce section %s which already exists." %
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(func_name, k)
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)
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section_dict[k] = v
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self.log(
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" %s => %s" % (k, v[:60].replace("\n",""))
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)
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else:
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raise Exception(
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"Section function '%s' didn't return a string/dict!" % func_name
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)
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return section_dict |