move standalone script to become a plugin offering "--genscript",

adjust paths accordingly and add CHANGELOG entry.

--HG--
branch : trunk

CHANGELOG

@@ -1,6 +1,9 @@
 Changes between 1.X and 1.1.1
 =====================================
 
+- new option: --genscript=path will generate a standalone py.test script
+  which will not need any libraries installed.  thanks to Ralf Schmitt. 
+
 - new option: --ignore will prevent specified path from collection. 
   Can be specified multiple times. 
 

bin-for-dist/generate_standalone_pytest.py

@@ -1,43 +0,0 @@
-#! /usr/bin/env python
-
-import os
-import cPickle
-import zlib
-import base64
-import sys
-
-def main(pybasedir, outfile, infile):
-    os.chdir(str(pybasedir))
-    outfile = str(outfile)
-    infile = str(infile)
-    files = []
-    for dirpath, dirnames, filenames in os.walk("py"):
-        for f in filenames:
-            if not f.endswith(".py"):
-                continue
-                
-            fn = os.path.join(dirpath, f)
-            files.append(fn)
-
-    name2src = {}
-    for f in files:
-        k = f.replace("/", ".")[:-3]
-        name2src[k] = open(f, "rb").read()
-
-    data = cPickle.dumps(name2src, 2)
-    data = zlib.compress(data, 9)
-    data = base64.encodestring(data)
-
-    exe = open(infile, "rb").read()
-    exe = exe.replace("@SOURCES@", data)
-
-    open(outfile, "wb").write(exe)
-    os.chmod(outfile, 493)  # 0755
-    sys.stdout.write("generated %s\n" % outfile)
-
-if __name__=="__main__":
-    dn = os.path.dirname
-    pybasedir = dn(dn(os.path.abspath(__file__)))
-    outfile = os.path.join(dn(__file__), "py.test")
-    infile = outfile+"-in"
-    main(pybasedir, outfile, infile)

py/impl/test/pluginmanager.py

@@ -8,7 +8,7 @@ from py.impl.test.outcome import Skipped
 
 default_plugins = (
     "default runner capture terminal mark skipping tmpdir monkeypatch "
-    "recwarn pdb pastebin unittest helpconfig nose assertion").split()
+    "recwarn pdb pastebin unittest helpconfig nose assertion genscript").split()
 
 def check_old_use(mod, modname):
     clsname = modname[len('pytest_'):].capitalize() + "Plugin" 

py/plugin/pytest_genscript.py

@@ -0,0 +1,63 @@
+#! /usr/bin/env python
+
+import os
+import zlib
+import base64
+import sys
+try:
+    import pickle
+except Importerror:
+    import cPickle as pickle
+
+def pytest_addoption(parser):
+    group = parser.getgroup("general")
+    group.addoption("--genscript", action="store", default=None, 
+        dest="genscript", metavar="path", 
+        help="create standalone py.test script at given target path.")
+
+def pytest_configure(config):
+    genscript = config.getvalue("genscript")
+    if genscript:
+        import py
+        mydir = py.path.local(__file__).dirpath()
+        infile = mydir.join("standalonetemplate.py")
+        pybasedir = py.path.local(py.__file__).dirpath().dirpath()
+        main(pybasedir, outfile=genscript, infile=infile)
+        raise SystemExit(0)
+
+def main(pybasedir, outfile, infile):
+    os.chdir(str(pybasedir))
+    outfile = str(outfile)
+    infile = str(infile)
+    files = []
+    for dirpath, dirnames, filenames in os.walk("py"):
+        for f in filenames:
+            if not f.endswith(".py"):
+                continue
+                
+            fn = os.path.join(dirpath, f)
+            files.append(fn)
+
+    name2src = {}
+    for f in files:
+        k = f.replace("/", ".")[:-3]
+        name2src[k] = open(f, "rb").read()
+
+    data = pickle.dumps(name2src, 2)
+    data = zlib.compress(data, 9)
+    data = base64.encodestring(data)
+
+    exe = open(infile, "rb").read()
+    exe = exe.replace("@SOURCES@", data)
+
+    open(outfile, "wb").write(exe)
+    os.chmod(outfile, 493)  # 0755
+    sys.stdout.write("generated standalone py.test at %r, have fun!\n" % outfile)
+
+if __name__=="__main__":
+    dn = os.path.dirname
+    here = os.path.abspath(dn(__file__)) # py/plugin/
+    pybasedir = dn(dn(here))
+    outfile = os.path.join(os.getcwd(), "py.test-standalone")
+    infile = os.path.join(here, 'standalonetemplate.py')
+    main(pybasedir, outfile, infile)

py/plugin/standalonetemplate.py

@@ -12,11 +12,11 @@ if sys.version_info >= (3,0):
     exec("def do_exec(co, loc): exec(co, loc)\n")
     import pickle
     sources = sources.encode("ascii") # ensure bytes 
+    sources = pickle.loads(zlib.decompress(base64.decodebytes(sources)))
 else:
     import cPickle as pickle
     exec("def do_exec(co, loc): exec co in loc\n")
-
-sources = pickle.loads(zlib.decompress(base64.decodestring(sources)))
+    sources = pickle.loads(zlib.decompress(base64.decodestring(sources)))
 
 class DictImporter(object):
     sources = sources

pytest_xmlresult.py

@@ -8,7 +8,7 @@
 import time
 
 def pytest_addoption(parser):
-    group = parser.addgroup("xmlresult", "xmlresult plugin options")
+    group = parser.getgroup("xmlresult", "xmlresult plugin options")
     group.addoption('--xmlresult', action="store", dest="xmlresult", metavar="path", default=None,
            help="path for machine-readable xml result log.")
 

testing/plugin/test_pytest_genscript.py

@@ -1,9 +1,5 @@
 import py, os, sys
-import generate_standalone_pytest
 import subprocess
-mydir = py.path.local(__file__).dirpath()
-pybasedir = mydir.join("..")
-assert pybasedir.join("py").check()
 
 def pytest_funcarg__standalone(request):
     return request.cached_setup(scope="module", setup=lambda: Standalone(request))
@@ -11,10 +7,8 @@ def pytest_funcarg__standalone(request):
 class Standalone:
     def __init__(self, request):
         self.testdir = request.getfuncargvalue("testdir")
-        infile = mydir.join("py.test-in")
         self.script = self.testdir.tmpdir.join("mypytest")
-        generate_standalone_pytest.main(pybasedir=pybasedir,
-            infile=infile, outfile=self.script)
+        self.testdir.runpytest("--genscript=%s" % self.script)
 
     def run(self, anypython, testdir, *args):
         testdir.chdir()