test_ok1/pytest/plugin/genscript.py

68 lines
1.8 KiB
Python
Executable File

import py
import pickle
import zlib
import base64
def find_toplevel(name):
for syspath in py.std.sys.path:
base = py.path.local(syspath)
lib = base/name
if lib.check(dir=1):
return lib
raise LookupError(name)
def pkgname(toplevel, rootpath, path):
parts = path.parts()[len(rootpath.parts()):]
return '.'.join([toplevel] + [x.purebasename for x in parts])
def pkg_to_mapping(name):
toplevel = find_toplevel(name)
name2src = {}
for pyfile in toplevel.visit('*.py'):
pkg = pkgname(name, toplevel, pyfile)
name2src[pkg] = pyfile.read()
return name2src
def compress_mapping(mapping):
data = pickle.dumps(mapping, 2)
data = zlib.compress(data, 9)
data = base64.encodestring(data)
data = data.decode('ascii')
return data
def compress_packages(names):
mapping = {}
for name in names:
mapping.update(pkg_to_mapping(name))
return compress_mapping(mapping)
def generate_script(entry, packages):
data = compress_packages(packages)
tmpl = py.path.local(__file__).dirpath().join('standalonetemplate.py')
exe = tmpl.read()
exe = exe.replace('@SOURCES@', data)
exe = exe.replace('@ENTRY@', entry)
return exe
def pytest_addoption(parser):
group = parser.getgroup("debugconfig")
group.addoption("--genscript", action="store", default=None,
dest="genscript", metavar="path",
help="create standalone py.test script at given target path.")
def pytest_cmdline_main(config):
genscript = config.getvalue("genscript")
if genscript:
script = generate_script(
'import py; py.test.cmdline.main()',
['py', 'pytest'],
)
genscript = py.path.local(genscript)
genscript.write(script)
return 0