initial checkin

Signed-off-by: Jan Lindemann <jan@janware.com>

.gitignore

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+*.done
+*.dep.mk
+*.o
+*.so.*
+*.so
+*.a
+*.rep
+ld-*.conf
+*.ldscript
+*.pc
+jw-python
+*_generated_*
+*.secret
+local.mk
+.gdb_history

Makefile

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+TOPDIR = .
+
+include $(TOPDIR)/make/proj.mk
+include $(MODDIR)/make/topdir.mk

VERSION

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+1.0.0-0-dev

make/Makefile

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+TOPDIR = ..
+
+include $(TOPDIR)/make/proj.mk
+include $(MODDIR)/make/make.mk

make/proj.mk

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+# to be included from inside the project directory
+
+CVS_PROJ_DIR        ?= $(TOPDIR)/..
+
+ifeq ($(TARGET),mingw)
+FLAVOUR_PATH_PREFIX  = win32/
+endif
+MODDIR               = $(firstword $(wildcard $(CVS_PROJ_DIR)/jw-build /opt/$(FLAVOUR_PATH_PREFIX)jw-build))
+
+USE_PROJECT_LIB      = false
+HDRDIR_SCOPE_SUFFIX  = $(PROJECT)

make/project.conf

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+[summary]
+janware Python utility library
+
+[description]
+janware Python utility library
+
+[global]
+group = "Amusements/Teaching/Other"
+subpackages = run
+license = Copyright (c) Jan Lindemann, all rights reserved
+jw-maintainer = jan
+
+[build]
+libname = none
+
+[pkg.requires.jw]
+devel = jw-python-run = VERSION-REVISION, jw-build-devel = VERSION
+build = jw-build-devel

test/Makefile

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+TOPDIR = ..
+
+include $(TOPDIR)/make/proj.mk
+include $(MODDIR)/make/cleandirs.mk

test/mute-stdio/Makefile

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+TOPDIR = ../..
+
+include $(TOPDIR)/make/proj.mk
+include $(MODDIR)/make/py-run.mk
+

test/mute-stdio/main.py

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+import jwutil
+
+print "This is without muted output"
+
+with jwutil.MuteStdIO():
+    print "This is with muted output"
+
+with jwutil.MuteStdIO():
+    print "This will have an error"
+    print "Second suppressed line of output"
+    print "Third suppressed line of output"
+    raise Exception("Something went wrong")
+
+print "Output is unmuted again"

tools/Makefile

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+TOPDIR = ..
+
+include $(TOPDIR)/make/proj.mk
+include $(MODDIR)/make/dirs.mk

tools/python/Makefile

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+TOPDIR = ../..
+
+include $(TOPDIR)/make/proj.mk
+include $(MODDIR)/make/dirs.mk

tools/python/jwutil/Makefile

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+TOPDIR = ../../..
+
+include $(TOPDIR)/make/proj.mk
+include $(MODDIR)/make/py-mod.mk

tools/python/jwutil/MuteStdIO.py

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+from __future__ import print_function
+import os
+import io
+import sys
+import traceback
+from fcntl import fcntl, F_GETFL, F_SETFL
+
+class MuteStdIO: # export
+
+    def __init__(self, mute_stderr=False, mute_stdout=True):
+        # TODO: arguments not implemented
+        pass
+
+    def __enter__(self):
+        rfd, wfd = os.pipe()
+        flags = fcntl(rfd, F_GETFL)
+        fcntl(rfd, F_SETFL, flags | os.O_NONBLOCK)
+        self.rfile = io.open(rfd, 'r')
+        self.fake_stdout_stream = io.open(wfd, 'w')
+        self.real_stdout_fd = os.dup(1)
+	#os.close(1)
+	os.dup2(wfd, 1)
+
+    def __exit__(self, type, value, traceback):
+	sys.stdout.flush()
+	os.dup2(self.real_stdout_fd, 1)
+	if type is not None:
+		#print("-------- Error while stdio was suppressed --------")
+		#traceback.print_stack()
+		#print(traceback)
+		print("-------- Captured output --------")
+                print(*self.rfile.readlines())
+                self.rfile.close()
+                #print('type = ' + str(type))
+                #print('value = ' + str(value))
+                raise type(value)