diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/__init__.py | 2 | ||||
| -rw-r--r-- | synapse/python_dependencies.py | 122 |
2 files changed, 123 insertions, 1 deletions
diff --git a/synapse/__init__.py b/synapse/__init__.py index dacda89865..d3f1c33d3a 100644 --- a/synapse/__init__.py +++ b/synapse/__init__.py @@ -16,4 +16,4 @@ """ This is a reference implementation of a synapse home server. """ -__version__ = "0.6.1d" +__version__ = "0.6.1e" diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py new file mode 100644 index 0000000000..a89d618606 --- /dev/null +++ b/synapse/python_dependencies.py @@ -0,0 +1,122 @@ +import logging +from distutils.version import LooseVersion + +logger = logging.getLogger(__name__) + +REQUIREMENTS = { + "syutil==0.0.2": ["syutil"], + "matrix_angular_sdk==0.6.0": ["syweb>=0.6.0"], + "Twisted==14.0.2": ["twisted==14.0.2"], + "service_identity>=1.0.0": ["service_identity>=1.0.0"], + "pyopenssl>=0.14": ["OpenSSL>=0.14"], + "pyyaml": ["yaml"], + "pyasn1": ["pyasn1"], + "pynacl": ["nacl"], + "daemonize": ["daemonize"], + "py-bcrypt": ["bcrypt"], + "frozendict>=0.4": ["frozendict"], + "pillow": ["PIL"], + "pydenticon": ["pydenticon"], +} + +def github_link(project, version, egg): + return "https://github.com/%s/tarball/%s/#egg=%s" % (project, version, egg) + +DEPENDENCY_LINKS=[ + github_link( + project="matrix-org/syutil", + version="v0.0.2", + egg="syutil-0.0.2", + ), + github_link( + project="matrix-org/matrix-angular-sdk", + version="v0.6.0", + egg="matrix_angular_sdk-0.6.0", + ), + github_link( + project="pyca/pynacl", + version="d4d3175589b892f6ea7c22f466e0e223853516fa", + egg="pynacl-0.3.0", + ) +] + + +class MissingRequirementError(Exception): + pass + + +def check_requirements(): + """Checks that all the modules needed by synapse have been correctly + installed and are at the correct version""" + for dependency, module_requirements in REQUIREMENTS.items(): + for module_requirement in module_requirements: + if ">=" in module_requirement: + module_name, required_version = module_requirement.split(">=") + version_test = ">=" + elif "==" in module_requirement: + module_name, required_version = module_requirement.split("==") + version_test = "==" + else: + module_name = module_requirement + version_test = None + + try: + module = __import__(module_name) + except ImportError: + logging.exception( + "Can't import %r which is part of %r", + module_name, dependency + ) + raise MissingRequirementError( + "Can't import %r which is part of %r" + % (module_name, dependency) + ) + version = getattr(module, "__version__", None) + file_path = getattr(module, "__file__", None) + logger.info( + "Using %r version %r from %r to satisfy %r", + module_name, version, file_path, dependency + ) + + if version_test == ">=": + if version is None: + raise MissingRequirementError( + "Version of %r isn't set as __version__ of module %r" + % (dependency, module_name) + ) + if LooseVersion(version) < LooseVersion(required_version): + raise MissingRequirementError( + "Version of %r in %r is too old. %r < %r" + % (dependency, file_path, version, required_version) + ) + elif version_test == "==": + if version is None: + raise MissingRequirementError( + "Version of %r isn't set as __version__ of module %r" + % (dependency, module_name) + ) + if LooseVersion(version) != LooseVersion(required_version): + raise MissingRequirementError( + "Unexpected version of %r in %r. %r != %r" + % (dependency, file_path, version, required_version) + ) + +def list_requirements(): + result = [] + linked = [] + for link in DEPENDENCY_LINKS: + egg = link.split("#egg=")[1] + linked.append(egg.split('-')[0]) + result.append(link) + for requirement in REQUIREMENTS: + is_linked = False + for link in linked: + if requirement.replace('-','_').startswith(link): + is_linked = True + if not is_linked: + result.append(requirement) + return result + +if __name__ == "__main__": + import sys + sys.stdout.writelines(req + "\n" for req in list_requirements()) |