212 lines
5.7 KiB
Python
212 lines
5.7 KiB
Python
# common python utility routines for the Bionic tool scripts
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import sys, os, commands, string, commands
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# basic debugging trace support
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# call D_setlevel to set the verbosity level
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# and D(), D2(), D3(), D4() to add traces
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#
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verbose = 0
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def panic(msg):
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sys.stderr.write( find_program_name() + ": error: " )
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sys.stderr.write( msg )
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sys.exit(1)
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def D(msg):
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global verbose
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if verbose > 0:
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print msg
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def D2(msg):
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global verbose
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if verbose >= 2:
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print msg
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def D3(msg):
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global verbose
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if verbose >= 3:
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print msg
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def D4(msg):
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global verbose
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if verbose >= 4:
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print msg
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def D_setlevel(level):
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global verbose
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verbose = level
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# other stuff
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#
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#
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def find_program_name():
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return os.path.basename(sys.argv[0])
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def find_program_dir():
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return os.path.dirname(sys.argv[0])
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class StringOutput:
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def __init__(self):
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self.line = ""
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def write(self,msg):
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self.line += msg
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D2("write '%s'" % msg)
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def get(self):
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return self.line
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def create_file_path(path):
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dirs = []
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while 1:
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parent = os.path.dirname(path)
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#print "parent: %s <- %s" % (parent, path)
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if parent == "/" or parent == "":
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break
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dirs.append(parent)
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path = parent
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dirs.reverse()
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for dir in dirs:
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#print "dir %s" % dir
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if os.path.isdir(dir):
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continue
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os.mkdir(dir)
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def walk_source_files(paths,callback,args,excludes=[]):
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"""recursively walk a list of paths and files, only keeping the source files in directories"""
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for path in paths:
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if len(path) > 0 and path[0] == '@':
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# this is the name of another file, include it and parse it
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path = path[1:]
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if os.path.exists(path):
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for line in open(path):
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if len(line) > 0 and line[-1] == '\n':
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line = line[:-1]
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walk_source_files([line],callback,args,excludes)
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continue
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if not os.path.isdir(path):
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callback(path,args)
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else:
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for root, dirs, files in os.walk(path):
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#print "w-- %s (ex: %s)" % (repr((root,dirs)), repr(excludes))
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if len(excludes):
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for d in dirs[:]:
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if os.path.join(root,d) in excludes:
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dirs.remove(d)
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for f in files:
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r, ext = os.path.splitext(f)
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if ext in [ ".h", ".c", ".cpp", ".S" ]:
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callback( "%s/%s" % (root,f), args )
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def cleanup_dir(path):
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"""create a directory if needed, and ensure that it is totally empty
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by removing any existing content in it"""
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if not os.path.exists(path):
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os.mkdir(path)
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else:
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for root, dirs, files in os.walk(path, topdown=False):
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if root.endswith("kernel_headers/"):
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# skip 'kernel_headers'
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continue
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for name in files:
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os.remove(os.path.join(root, name))
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for name in dirs:
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os.rmdir(os.path.join(root, name))
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class BatchFileUpdater:
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"""a class used to edit several files at once"""
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def __init__(self):
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self.old_files = set()
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self.new_files = set()
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self.new_data = {}
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def readFile(self,path):
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#path = os.path.realpath(path)
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if os.path.exists(path):
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self.old_files.add(path)
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def readDir(self,path):
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#path = os.path.realpath(path)
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for root, dirs, files in os.walk(path):
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for f in files:
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dst = "%s/%s" % (root,f)
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self.old_files.add(dst)
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def editFile(self,dst,data):
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"""edit a destination file. if the file is not mapped from a source,
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it will be added. return 0 if the file content wasn't changed,
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1 if it was edited, or 2 if the file is new"""
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#dst = os.path.realpath(dst)
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result = 1
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if os.path.exists(dst):
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f = open(dst, "r")
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olddata = f.read()
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f.close()
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if olddata == data:
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self.old_files.remove(dst)
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return 0
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else:
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result = 2
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self.new_data[dst] = data
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self.new_files.add(dst)
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return result
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def getChanges(self):
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"""determine changes, returns (adds, deletes, edits)"""
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adds = set()
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edits = set()
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deletes = set()
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for dst in self.new_files:
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if not (dst in self.old_files):
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adds.add(dst)
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else:
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edits.add(dst)
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for dst in self.old_files:
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if not dst in self.new_files:
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deletes.add(dst)
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return (adds, deletes, edits)
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def _writeFile(self,dst):
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if not os.path.exists(os.path.dirname(dst)):
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create_file_path(dst)
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f = open(dst, "w")
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f.write(self.new_data[dst])
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f.close()
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def updateFiles(self):
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adds, deletes, edits = self.getChanges()
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for dst in sorted(adds):
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self._writeFile(dst)
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for dst in sorted(edits):
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self._writeFile(dst)
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for dst in sorted(deletes):
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os.remove(dst)
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def updateGitFiles(self):
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adds, deletes, edits = self.getChanges()
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if adds:
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for dst in sorted(adds):
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self._writeFile(dst)
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commands.getoutput("git add " + " ".join(adds))
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if deletes:
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commands.getoutput("git rm " + " ".join(deletes))
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if edits:
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for dst in sorted(edits):
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self._writeFile(dst)
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commands.getoutput("git add " + " ".join(edits))
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