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import logging
from distutils.version import LooseVersion
logger = logging.getLogger(__name__)
REQUIREMENTS = {
"syutil>=0.0.3": ["syutil"],
"matrix_angular_sdk>=0.6.1": ["syweb>=0.6.1"],
"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="v0.0.3",
egg="syutil-0.0.3",
),
github_link(
project="matrix-org/matrix-angular-sdk",
version="v0.6.1",
egg="matrix_angular_sdk-0.6.1",
),
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())
|
