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-rwxr-xr-xsrc/leap/mx.py154
1 files changed, 154 insertions, 0 deletions
diff --git a/src/leap/mx.py b/src/leap/mx.py
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+++ b/src/leap/mx.py
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+#!/usr/bin/env python
+#-*- coding: utf-8 -*-
+"""
+ ____
+ | mx |
+ |____|_______________________
+ | |
+ | An encrypting remailer. |
+ |_________________________|
+
+@author Isis Agora Lovecruft <isis@leap.se>, 0x2cdb8b35
+@version 0.0.1
+
+"""
+
+import os, sys
+
+
+application_name = "leap_mx"
+
+def __get_repo_dir__():
+ """Get the absolute path of the top-level repository directory."""
+ here = os.getcwd()
+ base = here.rsplit(application_name, 1)[0]
+ repo = os.path.join(base, application_name)
+ return repo
+
+## Set the $PYTHONPATH:
+src_dir = os.path.join(__get_repo_dir__(), 'src/')
+sys.path[:] = map(os.path.abspath, sys.path)
+sys.path.insert(0, src_dir)
+
+## Now we should be able to import ourselves without installation:
+try:
+ from mx import runner
+ from util import log, version
+except ImportError, ie:
+ print "%s\nExiting..." % ie.message
+ sys.exit(1)
+
+
+class CheckRequirements(ImportError):
+ """
+ Raised when we're missing something from requirements.pip.
+ """
+ def __init__(self, message=None, missing=None, pipfile=None):
+ """
+ Display an error message with instructions for obtaining missing
+ dependencies.
+
+ @param message: A string describing the error.
+ @param missing: A string indicating which dependency is missing.
+ @param pipfile: The path and filename of the pip requirements file,
+ relative to the top-level repository directory.
+ """
+ if message:
+ self.message = message
+ return self
+
+ self.pipfile = pipfile
+
+ if isinstance(missing, str):
+ missing = [missing]
+ else:
+ missing = []
+ dependencies = self.__read_pip_requirements__()
+ for package, version in dependencies:
+ pkg = package.lower() if package == "Twisted" else package
+ try:
+ __import__(pkg)
+ except ImportError:
+ missing.append(package)
+
+ self.message = application_name + " requires "
+ if len(missing) > 1:
+ for missed in missing[:-1]:
+ self.message += missed + ", "
+ self.message += "and "
+ if len(missing) == 1:
+ self.message += missing[0] + "."
+ self.message += "\nPlease see %s for ".format(pipfile)
+ self.message += "instruction on installing dependencies."
+ raise self
+ elif len(missing) <= 0:
+ return
+
+ def __read_pip_requirements__(self, file=None):
+ """
+ Check the pip requirements file to determine our dependencies.
+
+ @param file: The name of the pip requirements.txt file.
+ @returns: A list of tuple(package_name, package_version).
+ """
+ import re
+
+ if not file:
+ file = self.pipfile
+
+ filepath = os.path.join(__get_repo_dir__(), file)
+ requirement = re.compile('[^0-9=><]+')
+ dependencies = []
+
+ print filepath
+ assert os.path.isfile(filepath), \
+ "Couldn't find requirements.pip file!"
+
+ with open(filepath) as pipfile:
+ for line in pipfile.readlines():
+ shortened = line.strip()
+ matched = requirement.match(shortened)
+ package_name = matched.group()
+ package_version = shortened.split(package_name, 1)[1]
+ dependencies.append((package_name, package_version))
+
+ return dependencies
+
+dependency_check = CheckRequirements(pipfile='pkg/mx-requirements.pip')
+
+try:
+ from twisted.python import usage, runtime
+ from twisted.internet import reactor
+except:
+ print "the CheckRequirements class is broken!"
+
+
+if __name__ == "__main__":
+
+ log.start()
+ log.debug("Running %s, with Python %s" % (application_name,
+ runtime.shortPythonVersion()))
+ log.debug("Platform: %s" % runtime.platform.getType())
+ log.debug("Thread support: %s" % str(runtime.platform.supportsThreads()))
+
+ mx_options = MXOptions()
+ mx_options.parseOptions(sys.argv)
+
+ if len(sys.argv) <= 0:
+ print mx_options.getUsage()
+ sys.exit(0)
+ else:
+ options = mx_options
+
+ if options['verbose']:
+ config.basic.debug = True
+
+ if options['test']:
+ from leap.mx import tests ## xxx this needs an __init__.py
+ tests.run() ## xxx need /leap/mx/tests.py
+ elif options['conf'] and os.path.isfile(options['conf']):
+ config.parse() ## xxx need /leap/mx/config.py
+ runner.run() ## xxx need /leap/mx/runner.py
+ else:
+ mx_options.getUsage()
+ sys.exit(1)