in infrastructure/pillow-layer/python/PIL/EpsImagePlugin.py [0:0]
def _open(self):
(length, offset) = self._find_offset(self.fp)
# Rewrap the open file pointer in something that will
# convert line endings and decode to latin-1.
fp = PSFile(self.fp)
# go to offset - start of "%!PS"
fp.seek(offset)
box = None
self.mode = "RGB"
self._size = 1, 1 # FIXME: huh?
#
# Load EPS header
s_raw = fp.readline()
s = s_raw.strip("\r\n")
while s_raw:
if s:
if len(s) > 255:
raise SyntaxError("not an EPS file")
try:
m = split.match(s)
except re.error as e:
raise SyntaxError("not an EPS file") from e
if m:
k, v = m.group(1, 2)
self.info[k] = v
if k == "BoundingBox":
try:
# Note: The DSC spec says that BoundingBox
# fields should be integers, but some drivers
# put floating point values there anyway.
box = [int(float(i)) for i in v.split()]
self._size = box[2] - box[0], box[3] - box[1]
self.tile = [
("eps", (0, 0) + self.size, offset, (length, box))
]
except Exception:
pass
else:
m = field.match(s)
if m:
k = m.group(1)
if k == "EndComments":
break
if k[:8] == "PS-Adobe":
self.info[k[:8]] = k[9:]
else:
self.info[k] = ""
elif s[0] == "%":
# handle non-DSC PostScript comments that some
# tools mistakenly put in the Comments section
pass
else:
raise OSError("bad EPS header")
s_raw = fp.readline()
s = s_raw.strip("\r\n")
if s and s[:1] != "%":
break
#
# Scan for an "ImageData" descriptor
while s[:1] == "%":
if len(s) > 255:
raise SyntaxError("not an EPS file")
if s[:11] == "%ImageData:":
# Encoded bitmapped image.
x, y, bi, mo = s[11:].split(None, 7)[:4]
if int(bi) != 8:
break
try:
self.mode = self.mode_map[int(mo)]
except ValueError:
break
self._size = int(x), int(y)
return
s = fp.readline().strip("\r\n")
if not s:
break
if not box:
raise OSError("cannot determine EPS bounding box")