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New feature: when saving a file, keep the eol convention of the

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original.  New files are written using the eol convention of the
platform, given by os.linesep.  All files are read and written in
binary mode.
This commit is contained in:
Guido van Rossum 2003-04-25 18:36:31 +00:00
parent 9635268ea9
commit c2f77dddf3
1 changed files with 11 additions and 3 deletions
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14
Lib/idlelib/IOBinding.py
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@ -178,6 +178,10 @@ def open(self, event=None, editFile=None):
self.text.focus_set() self.text.focus_set()
return "break" return "break"
eol = r"(\r\n)|\n|\r" # \r\n (Windows), \n (UNIX), or \r (Mac)
eol_re = re.compile(eol)
eol_convention = os.linesep # Default
def loadfile(self, filename): def loadfile(self, filename):
try: try:
# open the file in binary mode so that we can handle # open the file in binary mode so that we can handle
@ -191,8 +195,10 @@ def loadfile(self, filename):
chars = self.decode(chars) chars = self.decode(chars)
# We now convert all end-of-lines to '\n's # We now convert all end-of-lines to '\n's
eol = r"(\r\n)|\n|\r" # \r\n (Windows), \n (UNIX), or \r (Mac) firsteol = self.eol_re.search(chars)
chars = re.compile( eol ).sub( r"\n", chars ) if firsteol:
self.eol_convention = firsteol.group(0)
chars = self.eol_re.sub(r"\n", chars)
self.text.delete("1.0", "end") self.text.delete("1.0", "end")
self.set_filename(None) self.set_filename(None)
@ -306,8 +312,10 @@ def save_a_copy(self, event):
def writefile(self, filename): def writefile(self, filename):
self.fixlastline() self.fixlastline()
chars = self.encode(self.text.get("1.0", "end-1c")) chars = self.encode(self.text.get("1.0", "end-1c"))
if self.eol_convention != "\n":
chars = chars.replace("\n", self.eol_convention)
try: try:
f = open(filename, "w") f = open(filename, "wb")
f.write(chars) f.write(chars)
f.close() f.close()
return True return True