def changeText(filename, text, newtext=""):
''' *Change* (or *remove*) text in this file.
-- called by changeFiles '''
filetext = fileText(filename)
if text in filetext:
filetext = filetext.replace(text, newtext)
f = file(filename, 'w')
f.write(filetext)
f.close()
print "file: %s" % filename
def changeText(filename, text, newtext=""):
""" *Change* (or *remove*) text in this file.
-- called by changeFiles """
filetext = fileText(filename)
if text in filetext:
filetext = filetext.replace(text, newtext)
f = open(filename, "w")
f.write(filetext)
f.close()
print("file: %s" % filename)
def changeText(filename, text, newtext=""):
''' *Change* (or *remove*) text in this file.
-- called by changeFiles '''
filetext = fileText(filename)
if text in filetext:
filetext = filetext.replace(text, newtext)
f = file(filename, 'w')
f.write(filetext)
f.close()
print "file: %s" % filename
def insertNotices(notice_filename, linecount=2, dir=None, ext="py"):
# params
if dir is None:
dir = os.getcwd()
try:
notice = fileText(notice_filename)
notice_start = "\n".join(notice.splitlines()[:7])
except IOError:
notice = notice_start = None
# now, run?
print("\ndir: %s\next: %s\nlinecount: %s\nfirst text lines:\n%s\n" % (dir, ext, linecount, notice_start))
answer = raw_input(">>> write notice in files? (y/n)")
if not (answer.lower() == "y"):
end()
# yes, run!
print("=== file walk ===")
print(linecount, dir)
filenames = fileNames(dir, ext)
print("\n=== writing notice ===")
for filename in filenames:
insertNotice(filename, notice, linecount)
def insertNotices(notice_filename, linecount=2, dir=None, ext="py"):
# params
if dir is None:
dir = os.getcwd()
try:
notice = fileText(notice_filename)
notice_start = '\n'.join(notice.splitlines()[:7])
except IOError:
notice = notice_start = None
# now, run?
print ("\ndir: %s\next: %s\nlinecount: %s\nfirst text lines:\n%s\n"
% (dir, ext, linecount, notice_start))
answer = raw_input(">>> write notice in files? (y/n)")
if not (answer.lower() == 'y'):
end()
# yes, run!
print "=== file walk ==="
print linecount, dir
filenames = fileNames(dir, ext)
print "\n=== writing notice ==="
for filename in filenames:
insertNotice(filename, notice, linecount)
def makeParser(grammarText, feedback=False, outputPath=""):
''' Write parser code file. '''
''' example:
from pijnu import makeParser, fileText
parser = makeParser(fileText("foo.pijnu")) '''
### parse & process grammar
# (using meta-parser 'pijnuParser')
print "... parsing grammar ..."
tree = pijnuParser.parse(grammarText)
### compose parser code:
# ~ copy of grammar original definition inside """..."""
# ~ "from pijnu.library import *"
# ~ parser object creation
# ~ grammar code itself
# ~ parser object specification
print "... composing code ..."
# major code sections
grammarTitle = tree.title
definition = tree.definition
# parser object definition
parserName = "%sParser" % grammarTitle
topPatternName = tree.topPatternName
filename = "%s.py" % parserName
code = ('''%(definitionCopy)s
from pijnu.library import *
def make_parser(actions=None):
"""Return a parser.
The parser's toolset functions are (optionally) augmented (or overridden)
by a map of additional ones passed in.
"""
if actions is None:
actions = {}
# Start off with the imported pijnu library functions:
toolset = globals().copy()
parser = Parser()
state = parser.state
%(grammarCode)s
symbols = locals().copy()
symbols.update(actions)
parser._recordPatterns(symbols)
parser._setTopPattern("%(topPatternName)s")
parser.grammarTitle = "%(grammarTitle)s"
parser.filename = "%(filename)s"
return parser\n''' %
dict(definitionCopy='""" %s\n%s\n"""\n' % (grammarTitle, tree.definition),
parserName=parserName,
topPatternName=topPatternName,
grammarTitle=grammarTitle,
filename=filename,
grammarCode='\n '.join(tree.value.splitlines())))
### write parser module --possible feedback on stdout
print "... writing file ...\n"
filepath = os.path.join(outputPath, filename)
writeFile(filepath, code)
if feedback:
print fileText(filepath)
### return parser object --if ever needed
try:
if outputPath:
sys.path.insert(0, outputPath)
modulename = filename[:-3]
module = __import__(modulename)
finally:
sys.path.pop(0)
return module.make_parser
def makeParser(grammarText, feedback=False):
''' Write parser code file. '''
''' example:
from pijnu import makeParser, fileText
parser = makeParser(fileText("foo.pijnu")) '''
### parse & process grammar
# (using meta-parser 'pijnuParser')
#print "... parsing grammar ..."
tree = pijnuParser.parse(grammarText)
### compose parser code:
# ~ copy of grammar original definition inside """..."""
# ~ "from pijnu.library import *"
# ~ parser object creation
# ~ grammar code itself
# ~ parser object specification
#print "... composing code ..."
# major code sections
grammarTitle = tree.title
definition = tree.definition
# parser object definition
parserName = "%sParser" % grammarTitle
topPatternName = tree.topPatternName
filename = "%s.py" % parserName
code = ('''%(definitionCopy)s
from pijnu.library import *
def make_parser(actions=None):
"""Return a parser.
The parser's toolset functions are (optionally) augmented (or overridden)
by a map of additional ones passed in.
"""
if actions is None:
actions = {}
# Start off with the imported pijnu library functions:
toolset = globals().copy()
parser = Parser()
state = parser.state
%(grammarCode)s
symbols = locals().copy()
symbols.update(actions)
parser._recordPatterns(symbols)
parser._setTopPattern("%(topPatternName)s")
parser.grammarTitle = "%(grammarTitle)s"
parser.filename = "%(filename)s"
return parser\n''' %
dict(definitionCopy='""" %s\n%s\n"""\n' %
(grammarTitle, tree.definition),
parserName=parserName,
topPatternName=topPatternName,
grammarTitle=grammarTitle,
filename=filename,
grammarCode='\n '.join(tree.value.splitlines())))
### write parser module --possible feedback on stdout
#print "... writing file ...\n"
writeFile(filename, code)
if feedback:
print fileText(filename)
### return parser object --if ever needed
modulename = filename[:-3]
module = __import__(modulename)
return module.make_parser
