150 lines
5.1 KiB
Python
150 lines
5.1 KiB
Python
# Copyright 2015 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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import logging
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from distutils.version import LooseVersion
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logger = logging.getLogger(__name__)
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REQUIREMENTS = {
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"syutil>=0.0.7": ["syutil>=0.0.7"],
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"Twisted==14.0.2": ["twisted==14.0.2"],
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"service_identity>=1.0.0": ["service_identity>=1.0.0"],
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"pyopenssl>=0.14": ["OpenSSL>=0.14"],
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"pyyaml": ["yaml"],
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"pyasn1": ["pyasn1"],
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"pynacl>=0.0.3": ["nacl>=0.0.3"],
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"daemonize": ["daemonize"],
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"py-bcrypt": ["bcrypt"],
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"frozendict>=0.4": ["frozendict"],
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"pillow": ["PIL"],
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"pydenticon": ["pydenticon"],
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"ujson": ["ujson"],
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"blist": ["blist"],
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"pysaml2": ["saml2"],
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}
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CONDITIONAL_REQUIREMENTS = {
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"web_client": {
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"matrix_angular_sdk>=0.6.6": ["syweb>=0.6.6"],
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}
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}
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def requirements(config=None, include_conditional=False):
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reqs = REQUIREMENTS.copy()
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for key, req in CONDITIONAL_REQUIREMENTS.items():
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if (config and getattr(config, key)) or include_conditional:
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reqs.update(req)
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return reqs
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def github_link(project, version, egg):
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return "https://github.com/%s/tarball/%s/#egg=%s" % (project, version, egg)
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DEPENDENCY_LINKS = [
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github_link(
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project="matrix-org/syutil",
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version="v0.0.7",
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egg="syutil-0.0.7",
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),
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github_link(
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project="matrix-org/matrix-angular-sdk",
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version="v0.6.6",
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egg="matrix_angular_sdk-0.6.6",
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),
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]
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class MissingRequirementError(Exception):
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pass
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def check_requirements(config=None):
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"""Checks that all the modules needed by synapse have been correctly
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installed and are at the correct version"""
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for dependency, module_requirements in (
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requirements(config, include_conditional=False).items()):
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for module_requirement in module_requirements:
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if ">=" in module_requirement:
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module_name, required_version = module_requirement.split(">=")
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version_test = ">="
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elif "==" in module_requirement:
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module_name, required_version = module_requirement.split("==")
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version_test = "=="
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else:
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module_name = module_requirement
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version_test = None
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try:
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module = __import__(module_name)
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except ImportError:
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logging.exception(
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"Can't import %r which is part of %r",
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module_name, dependency
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)
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raise MissingRequirementError(
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"Can't import %r which is part of %r"
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% (module_name, dependency)
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)
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version = getattr(module, "__version__", None)
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file_path = getattr(module, "__file__", None)
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logger.info(
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"Using %r version %r from %r to satisfy %r",
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module_name, version, file_path, dependency
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)
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if version_test == ">=":
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if version is None:
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raise MissingRequirementError(
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"Version of %r isn't set as __version__ of module %r"
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% (dependency, module_name)
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)
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if LooseVersion(version) < LooseVersion(required_version):
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raise MissingRequirementError(
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"Version of %r in %r is too old. %r < %r"
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% (dependency, file_path, version, required_version)
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)
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elif version_test == "==":
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if version is None:
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raise MissingRequirementError(
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"Version of %r isn't set as __version__ of module %r"
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% (dependency, module_name)
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)
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if LooseVersion(version) != LooseVersion(required_version):
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raise MissingRequirementError(
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"Unexpected version of %r in %r. %r != %r"
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% (dependency, file_path, version, required_version)
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)
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def list_requirements():
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result = []
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linked = []
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for link in DEPENDENCY_LINKS:
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egg = link.split("#egg=")[1]
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linked.append(egg.split('-')[0])
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result.append(link)
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for requirement in requirements(include_conditional=True):
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is_linked = False
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for link in linked:
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if requirement.replace('-', '_').startswith(link):
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is_linked = True
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if not is_linked:
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result.append(requirement)
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return result
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if __name__ == "__main__":
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import sys
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sys.stdout.writelines(req + "\n" for req in list_requirements())
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