138 lines
4.3 KiB
Python
Executable File
138 lines
4.3 KiB
Python
Executable File
""" (deprecated) generate a single-file self-contained version of pytest """
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import os
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import sys
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import pkgutil
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import py
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import _pytest
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def find_toplevel(name):
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for syspath in sys.path:
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base = py.path.local(syspath)
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lib = base/name
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if lib.check(dir=1):
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return lib
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mod = base.join("%s.py" % name)
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if mod.check(file=1):
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return mod
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raise LookupError(name)
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def pkgname(toplevel, rootpath, path):
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parts = path.parts()[len(rootpath.parts()):]
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return '.'.join([toplevel] + [x.purebasename for x in parts])
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def pkg_to_mapping(name):
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toplevel = find_toplevel(name)
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name2src = {}
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if toplevel.check(file=1): # module
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name2src[toplevel.purebasename] = toplevel.read()
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else: # package
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for pyfile in toplevel.visit('*.py'):
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pkg = pkgname(name, toplevel, pyfile)
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if pkg == '_pytest.__init__':
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# remove the coding comment line to avoid python bug
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lines = pyfile.read().splitlines(True)
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name2src[pkg] = ''.join(lines[1:])
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else:
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name2src[pkg] = pyfile.read()
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# with wheels py source code might be not be installed
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# and the resulting genscript is useless, just bail out.
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assert name2src, "no source code found for %r at %r" %(name, toplevel)
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return name2src
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def compress_mapping(mapping):
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import base64, pickle, zlib
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data = pickle.dumps(mapping, 2)
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data = zlib.compress(data, 9)
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data = base64.encodestring(data)
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data = data.decode('ascii')
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return data
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def compress_packages(names):
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mapping = {}
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for name in names:
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mapping.update(pkg_to_mapping(name))
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return compress_mapping(mapping)
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def generate_script(entry, packages):
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data = compress_packages(packages)
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tmpl = py.path.local(__file__).dirpath().join('standalonetemplate.py')
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exe = tmpl.read()
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exe = exe.replace('@SOURCES@', data)
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exe = exe.replace('@ENTRY@', entry)
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return exe
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def pytest_addoption(parser):
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group = parser.getgroup("debugconfig")
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group.addoption("--genscript", action="store", default=None,
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dest="genscript", metavar="path",
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help="create standalone pytest script at given target path.")
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def pytest_cmdline_main(config):
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import _pytest.config
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genscript = config.getvalue("genscript")
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if genscript:
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tw = _pytest.config.create_terminal_writer(config)
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tw.line("WARNING: usage of genscript is deprecated.",
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red=True)
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deps = ['py', '_pytest', 'pytest'] # pluggy is vendored
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if sys.version_info < (2,7):
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deps.append("argparse")
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tw.line("generated script will run on python2.6-python3.3++")
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else:
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tw.line("WARNING: generated script will not run on python2.6 "
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"due to 'argparse' dependency. Use python2.6 "
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"to generate a python2.6 compatible script", red=True)
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script = generate_script(
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'import pytest; raise SystemExit(pytest.cmdline.main())',
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deps,
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)
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genscript = py.path.local(genscript)
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genscript.write(script)
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tw.line("generated pytest standalone script: %s" % genscript,
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bold=True)
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return 0
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def pytest_namespace():
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return {'freeze_includes': freeze_includes}
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def freeze_includes():
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"""
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Returns a list of module names used by py.test that should be
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included by cx_freeze.
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"""
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result = list(_iter_all_modules(py))
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result += list(_iter_all_modules(_pytest))
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return result
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def _iter_all_modules(package, prefix=''):
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"""
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Iterates over the names of all modules that can be found in the given
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package, recursively.
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Example:
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_iter_all_modules(_pytest) ->
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['_pytest.assertion.newinterpret',
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'_pytest.capture',
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'_pytest.core',
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...
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]
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"""
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if type(package) is not str:
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path, prefix = package.__path__[0], package.__name__ + '.'
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else:
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path = package
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for _, name, is_package in pkgutil.iter_modules([path]):
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if is_package:
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for m in _iter_all_modules(os.path.join(path, name), prefix=name + '.'):
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yield prefix + m
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else:
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yield prefix + name
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