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56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
##########################################################################
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#
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# pgAdmin 4 - PostgreSQL Tools
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#
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# Copyright (C) 2013 - 2017, The pgAdmin Development Team
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# This software is released under the PostgreSQL Licence
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#
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##########################################################################
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from flask.templating import DispatchingJinjaLoader
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from jinja2 import TemplateNotFound
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class VersionedTemplateLoader(DispatchingJinjaLoader):
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def get_source(self, environment, template):
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template_path_parts = template.split("#", 3)
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postgres_versions = (
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{'name': "10_plus", 'number': 100000},
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{'name': "9.6_plus", 'number': 90600},
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{'name': "9.5_plus", 'number': 90500},
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{'name': "9.4_plus", 'number': 90400},
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{'name': "9.3_plus", 'number': 90300},
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{'name': "9.2_plus", 'number': 90200},
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{'name': "9.1_plus", 'number': 90100},
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{'name': "9.0_plus", 'number': 90000},
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{'name': "default", 'number': 0}
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)
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gpdb_versions = (
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{'name': "gpdb_5.0_plus", 'number': 80323},
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{'name': "default", 'number': 0}
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)
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server_versions = postgres_versions
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if len(template_path_parts) == 1:
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return super(VersionedTemplateLoader, self).get_source(environment, template)
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if len(template_path_parts) == 4:
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path_start, server_type, specified_version_number, file_name = template_path_parts
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if server_type == 'gpdb':
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server_versions = gpdb_versions
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else:
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path_start, specified_version_number, file_name = template_path_parts
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for server_version in server_versions:
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if server_version['number'] > int(specified_version_number):
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continue
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template_path = path_start + '/' + server_version['name'] + '/' + file_name
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try:
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return super(VersionedTemplateLoader, self).get_source(environment, template_path)
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except TemplateNotFound:
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continue
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raise TemplateNotFound(template)
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