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#!/usr/bin/python3
# Outputs dependencies information from a build directory
#
# Copyright (c) 2014 Aleix Pol Gonzalez <aleixpol@kde.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# cmake . --trace |& grep ^/ | grep -v CMakeLists.txt | cut -d '(' -f 1 | sort -u
import subprocess
import os
import re
import json
import argparse
import sys
def readCache(varName):
f = open("CMakeCache.txt", "r")
for line in f:
m = re.match('(.*?)=(.*)', line)
if m is not None and m.group(1)==varName:
return m.group(2)
def checkPackageVersion(frameworkName):
value = readCache("FIND_PACKAGE_MESSAGE_DETAILS_%s:INTERNAL" % frameworkName)
if value is None:
return None
m = re.match('.*\\]\\[v(.*?)\\((.*?)\\)\\]', value)
if m:
return { 'used': m.group(1), 'requested': m.group(2) }
else:
return None
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Figures out the dependencies of the build directory in the cwd.')
try:
projectDir = readCache("CMAKE_HOME_DIRECTORY:INTERNAL")
except:
print("Run in a build directory.")
parser.print_help()
sys.exit(1)
proc = subprocess.Popen(['cmake', '.', '--trace-expand'], stdout=open(os.devnull, "w"), stderr=subprocess.PIPE)
processedFiles = {}
lookedUpPackages = {}
lastFile = ""
callingFile = ""
for line in proc.stderr:
theLine = line.decode("utf-8")
m = re.match('.*?:\s*find_package\((.*?) (.*?)\).*', theLine)
if m is not None:
if "$" not in m.group(2):
lookedUpPackages[m.group(1)] = m.group(2)
# match file names
# e.g./usr/share/cmake-3.0/Modules/FindPackageMessage.cmake(46): set(...
m = re.match("(^/.*?)\\(.*", theLine)
if m is not None:
currentFile = m.group(1)
if lastFile != currentFile:
callingFile = lastFile
lastFile = currentFile
filePath, fileName = os.path.split(currentFile)
if fileName == "CMakeLists.txt":
continue
m = re.match("(.*)Config(Version)?.cmake", fileName)
m2 = re.match("Find(.*).cmake", fileName)
if m2:
moduleName = m2.group(1)
elif m:
moduleName = m.group(1)
else:
continue
if not moduleName in processedFiles:
processedFiles[moduleName] = { 'files': set(), 'explicit': False }
if not 'version' in processedFiles[moduleName]:
processedFiles[moduleName]['version'] = checkPackageVersion(moduleName)
processedFiles[moduleName]['files'].add(currentFile)
processedFiles[moduleName]['explicit'] |= (callingFile.endswith("CMakeLists.txt") or callingFile.endswith("Qt5/Qt5Config.cmake") or callingFile.endswith("FindKF5.cmake"))
print("[")
first = True
for v, value in processedFiles.items():
if not first:
print(',\n', end='')
first = False
value['files'] = list(value['files'])
value['project'] = v
if v in lookedUpPackages:
if value['version'] is None:
line = lookedUpPackages[v]
isVersion = line[:line.find(' ')]
if len(isVersion)>0 and isVersion[0].isdigit():
value['version'] = { 'used': None, 'requested': isVersion }
del lookedUpPackages[v]
print("\t%s" % (json.dumps(value)), end='')
# display missing packages
for v in lookedUpPackages:
if not first:
print(',\n', end='')
print("\t{ \"project\": \"%s\", \"missing\": true, \"files\": [], \"arguments\": \"%s\", \"explicit\": true }" % (v, lookedUpPackages[v]))
print("\n]\n")
proc.wait()
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