diff options
-rw-r--r-- | coverage/cmdline.py | 22 | ||||
-rw-r--r-- | coverage/execfile.py | 38 |
2 files changed, 53 insertions, 7 deletions
diff --git a/coverage/cmdline.py b/coverage/cmdline.py index 18715b71..b82448bf 100644 --- a/coverage/cmdline.py +++ b/coverage/cmdline.py @@ -3,7 +3,7 @@ import optparse, re, sys, traceback from coverage.backward import sorted # pylint: disable=W0622 -from coverage.execfile import run_python_file +from coverage.execfile import run_python_file, run_python_module from coverage.misc import CoverageException, ExceptionDuringRun @@ -71,6 +71,11 @@ class Opts(object): ".coverage data file name to simplify collecting data from " "many processes." ) + module = optparse.make_option( + '-m', '--module', action='store_true', + help="First argument is a Python module, not a script path," + " which should be run as `python -m` would run it." + ) rcfile = optparse.make_option( '', '--rcfile', action='store', help="Specify configuration file. Defaults to '.coveragerc'" @@ -111,6 +116,7 @@ class CoverageOptionParser(optparse.OptionParser, object): include=None, omit=None, parallel_mode=None, + module=None, pylib=None, rcfile=True, show_missing=None, @@ -294,6 +300,7 @@ CMDS = { Opts.branch, Opts.pylib, Opts.parallel_mode, + Opts.module, Opts.timid, Opts.source, Opts.omit, @@ -326,7 +333,8 @@ OK, ERR = 0, 1 class CoverageScript(object): """The command-line interface to Coverage.""" - def __init__(self, _covpkg=None, _run_python_file=None, _help_fn=None): + def __init__(self, _covpkg=None, _run_python_file=None, + _run_python_module=None, _help_fn=None): # _covpkg is for dependency injection, so we can test this code. if _covpkg: self.covpkg = _covpkg @@ -334,10 +342,9 @@ class CoverageScript(object): import coverage self.covpkg = coverage - # _run_python_file is for dependency injection also. + # For dependency injection: self.run_python_file = _run_python_file or run_python_file - - # _help_fn is for dependency injection. + self.run_python_module = _run_python_module or run_python_module self.help_fn = _help_fn or self.help self.coverage = None @@ -505,7 +512,10 @@ class CoverageScript(object): # Run the script. self.coverage.start() try: - self.run_python_file(args[0], args) + if options.module: + self.run_python_module(args[0], args) + else: + self.run_python_file(args[0], args) finally: self.coverage.stop() self.coverage.save() diff --git a/coverage/execfile.py b/coverage/execfile.py index c61556ac..335bf617 100644 --- a/coverage/execfile.py +++ b/coverage/execfile.py @@ -14,7 +14,42 @@ except KeyError: BUILTINS = sys.modules['builtins'] -def run_python_file(filename, args): +def run_python_module(modulename, args): + """Run a python module, as though with ``python -m name args...``. + + """ + # Search for the module - inside its parent package, if any - using + # standard import mechanics. + if '.' in modulename: + packagename, name = modulename.rsplit('.') + package = __import__(packagename, fromlist=['__path__']) + searchpath = package.__path__ + else: + packagename = None + name = modulename + searchpath = None # means "top-level search" to find_module() + openfile, pathname, description = imp.find_module(name, searchpath) + + # Complain if this is a magic non-file module. + if openfile is None and pathname is None: + raise NoSource("module does not live in a file: %r" % modulename) + + # If `modulename` is actually a package, not a mere module, then we + # pretend to be Python 2.7 and try running its __main__.py script. + if openfile is None: + packagename = modulename + name = '__main__' + + package = __import__(packagename, fromlist=['__path__']) + searchpath = package.__path__ + openfile, pathname, description = imp.find_module(name, searchpath) + + # Finally, hand the file off to run_python_file for execution. + openfile.close() + run_python_file(pathname, args, package=packagename) + + +def run_python_file(filename, args, package=None): """Run a python file as if it were the main program on the command line. `filename` is the path to the file to execute, it need not be a .py file. @@ -27,6 +62,7 @@ def run_python_file(filename, args): main_mod = imp.new_module('__main__') sys.modules['__main__'] = main_mod main_mod.__file__ = filename + main_mod.__package__ = package main_mod.__builtins__ = BUILTINS # Set sys.argv and the first path element properly. |