1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
# Copyright 2010-2011 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
if(DEFINED __INCLUDED_GR_PYTHON_CMAKE)
return()
endif()
set(__INCLUDED_GR_PYTHON_CMAKE TRUE)
########################################################################
# Setup the python interpreter:
# This allows the user to specify a specific interpreter,
# or finds the interpreter via the built-in cmake module.
########################################################################
#this allows the user to override PYTHON_EXECUTABLE
if(PYTHON_EXECUTABLE)
set(PYTHONINTERP_FOUND TRUE)
#otherwise if not set, try to automatically find it
else(PYTHON_EXECUTABLE)
#use the built-in find script
find_package(PythonInterp 2)
#and if that fails use the find program routine
if(NOT PYTHONINTERP_FOUND)
find_program(PYTHON_EXECUTABLE NAMES python python2 python2.7 python2.6 python2.5)
if(PYTHON_EXECUTABLE)
set(PYTHONINTERP_FOUND TRUE)
endif(PYTHON_EXECUTABLE)
endif(NOT PYTHONINTERP_FOUND)
endif(PYTHON_EXECUTABLE)
if (CMAKE_CROSSCOMPILING)
set(QA_PYTHON_EXECUTABLE "/usr/bin/python")
else (CMAKE_CROSSCOMPILING)
set(QA_PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
endif(CMAKE_CROSSCOMPILING)
#make the path to the executable appear in the cmake gui
set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE} CACHE FILEPATH "python interpreter")
set(QA_PYTHON_EXECUTABLE ${QA_PYTHON_EXECUTABLE} CACHE FILEPATH "python interpreter for QA tests")
#make sure we can use -B with python (introduced in 2.6)
if(PYTHON_EXECUTABLE)
execute_process(
COMMAND ${PYTHON_EXECUTABLE} -B -c ""
OUTPUT_QUIET ERROR_QUIET
RESULT_VARIABLE PYTHON_HAS_DASH_B_RESULT
)
if(PYTHON_HAS_DASH_B_RESULT EQUAL 0)
set(PYTHON_DASH_B "-B")
endif()
endif(PYTHON_EXECUTABLE)
########################################################################
# Check for the existence of a python module:
# - desc a string description of the check
# - mod the name of the module to import
# - cmd an additional command to run
# - have the result variable to set
########################################################################
macro(GR_PYTHON_CHECK_MODULE desc mod cmd have)
message(STATUS "")
message(STATUS "Python checking for ${desc}")
execute_process(
COMMAND ${PYTHON_EXECUTABLE} -c "
#########################################
try:
import ${mod}
assert ${cmd}
except ImportError, AssertionError: exit(-1)
except: pass
#########################################"
RESULT_VARIABLE ${have}
)
if(${have} EQUAL 0)
message(STATUS "Python checking for ${desc} - found")
set(${have} TRUE)
else(${have} EQUAL 0)
message(STATUS "Python checking for ${desc} - not found")
set(${have} FALSE)
endif(${have} EQUAL 0)
endmacro(GR_PYTHON_CHECK_MODULE)
########################################################################
# Sets the python installation directory GR_PYTHON_DIR
########################################################################
if(NOT DEFINED GR_PYTHON_DIR)
execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "
from distutils import sysconfig
print sysconfig.get_python_lib(plat_specific=True, prefix='')
" OUTPUT_VARIABLE GR_PYTHON_DIR OUTPUT_STRIP_TRAILING_WHITESPACE
)
endif()
file(TO_CMAKE_PATH ${GR_PYTHON_DIR} GR_PYTHON_DIR)
########################################################################
# Create an always-built target with a unique name
# Usage: GR_UNIQUE_TARGET(<description> <dependencies list>)
########################################################################
function(GR_UNIQUE_TARGET desc)
file(RELATIVE_PATH reldir ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR})
execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import re, hashlib
unique = hashlib.md5('${reldir}${ARGN}').hexdigest()[:5]
print(re.sub('\\W', '_', '${desc} ${reldir} ' + unique))"
OUTPUT_VARIABLE _target OUTPUT_STRIP_TRAILING_WHITESPACE)
add_custom_target(${_target} ALL DEPENDS ${ARGN})
endfunction(GR_UNIQUE_TARGET)
########################################################################
# Install python sources (also builds and installs byte-compiled python)
########################################################################
function(GR_PYTHON_INSTALL)
include(CMakeParseArgumentsCopy)
CMAKE_PARSE_ARGUMENTS(GR_PYTHON_INSTALL "" "DESTINATION;COMPONENT" "FILES;PROGRAMS" ${ARGN})
####################################################################
if(GR_PYTHON_INSTALL_FILES)
####################################################################
install(${ARGN}) #installs regular python files
#create a list of all generated files
unset(pysrcfiles)
unset(pycfiles)
unset(pyofiles)
foreach(pyfile ${GR_PYTHON_INSTALL_FILES})
get_filename_component(pyfile ${pyfile} ABSOLUTE)
list(APPEND pysrcfiles ${pyfile})
#determine if this file is in the source or binary directory
file(RELATIVE_PATH source_rel_path ${CMAKE_CURRENT_SOURCE_DIR} ${pyfile})
string(LENGTH "${source_rel_path}" source_rel_path_len)
file(RELATIVE_PATH binary_rel_path ${CMAKE_CURRENT_BINARY_DIR} ${pyfile})
string(LENGTH "${binary_rel_path}" binary_rel_path_len)
#and set the generated path appropriately
if(${source_rel_path_len} GREATER ${binary_rel_path_len})
set(pygenfile ${CMAKE_CURRENT_BINARY_DIR}/${binary_rel_path})
else()
set(pygenfile ${CMAKE_CURRENT_BINARY_DIR}/${source_rel_path})
endif()
list(APPEND pycfiles ${pygenfile}c)
list(APPEND pyofiles ${pygenfile}o)
#ensure generation path exists
get_filename_component(pygen_path ${pygenfile} PATH)
file(MAKE_DIRECTORY ${pygen_path})
endforeach(pyfile)
#the command to generate the pyc files
add_custom_command(
DEPENDS ${pysrcfiles} OUTPUT ${pycfiles}
COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_BINARY_DIR}/python_compile_helper.py ${pysrcfiles} ${pycfiles}
)
#the command to generate the pyo files
add_custom_command(
DEPENDS ${pysrcfiles} OUTPUT ${pyofiles}
COMMAND ${PYTHON_EXECUTABLE} -O ${CMAKE_BINARY_DIR}/python_compile_helper.py ${pysrcfiles} ${pyofiles}
)
#create install rule and add generated files to target list
set(python_install_gen_targets ${pycfiles} ${pyofiles})
install(FILES ${python_install_gen_targets}
DESTINATION ${GR_PYTHON_INSTALL_DESTINATION}
COMPONENT ${GR_PYTHON_INSTALL_COMPONENT}
)
####################################################################
elseif(GR_PYTHON_INSTALL_PROGRAMS)
####################################################################
file(TO_NATIVE_PATH ${PYTHON_EXECUTABLE} pyexe_native)
if (CMAKE_CROSSCOMPILING)
set(pyexe_native "/usr/bin/env python")
endif()
foreach(pyfile ${GR_PYTHON_INSTALL_PROGRAMS})
get_filename_component(pyfile_name ${pyfile} NAME)
get_filename_component(pyfile ${pyfile} ABSOLUTE)
string(REPLACE "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" pyexefile "${pyfile}.exe")
list(APPEND python_install_gen_targets ${pyexefile})
get_filename_component(pyexefile_path ${pyexefile} PATH)
file(MAKE_DIRECTORY ${pyexefile_path})
add_custom_command(
OUTPUT ${pyexefile} DEPENDS ${pyfile}
COMMAND ${PYTHON_EXECUTABLE} -c
"import re; R=re.compile('^\#!.*$\\n',flags=re.MULTILINE); open('${pyexefile}','w').write('\#!${pyexe_native}\\n'+R.sub('',open('${pyfile}','r').read()))"
COMMENT "Shebangin ${pyfile_name}"
VERBATIM
)
#on windows, python files need an extension to execute
get_filename_component(pyfile_ext ${pyfile} EXT)
if(WIN32 AND NOT pyfile_ext)
set(pyfile_name "${pyfile_name}.py")
endif()
install(PROGRAMS ${pyexefile} RENAME ${pyfile_name}
DESTINATION ${GR_PYTHON_INSTALL_DESTINATION}
COMPONENT ${GR_PYTHON_INSTALL_COMPONENT}
)
endforeach(pyfile)
endif()
GR_UNIQUE_TARGET("pygen" ${python_install_gen_targets})
endfunction(GR_PYTHON_INSTALL)
########################################################################
# Write the python helper script that generates byte code files
########################################################################
file(WRITE ${CMAKE_BINARY_DIR}/python_compile_helper.py "
import sys, py_compile
files = sys.argv[1:]
srcs, gens = files[:len(files)/2], files[len(files)/2:]
for src, gen in zip(srcs, gens):
py_compile.compile(file=src, cfile=gen, doraise=True)
")
|
