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celinelee
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python_fn_calls

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struct.unpack(">LL", head[16:24])
ValueError("Invalid PNG file")
head.startswith(b'\211PNG\r\n\032\n')
struct.unpack(">LL", head[8:16])
ValueError("Invalid PNG file")
head.startswith(b'\377\330')
fhandle.seek(0)
fhandle.seek(size, 1)
fhandle.read(1)
ord(byte)
fhandle.read(1)
ord(byte)
struct.unpack('>H', fhandle.read(2)
fhandle.seek(1, 1)
struct.unpack('>HH', fhandle.read(4)
except (struct.error, TypeError)
ValueError("Invalid JPEG file")
head.startswith(b'\x00\x00\x00\x0cjP \r\n\x87\n')
fhandle.seek(48)
struct.unpack('>LL', fhandle.read(8)
ValueError("Invalid JPEG2000 file")
head.startswith(b"\x4d\x4d\x00\x2a")
struct.unpack('>L', head[4:8])
fhandle.seek(offset)
struct.unpack(">H", fhandle.read(2)
range(ifdsize)
struct.unpack(">HHLL", fhandle.read(12)
int(data / 65536)
ValueError("Invalid TIFF file: width column data type should be SHORT/LONG.")
int(data / 65536)
ValueError("Invalid TIFF file: height column data type should be SHORT/LONG.")
ValueError("Invalid TIFF file: width and/or height IDS entries are missing.")
head.startswith(b"\x49\x49\x2a\x00")
struct.unpack('<L', head[4:8])
fhandle.seek(offset)
struct.unpack("<H", fhandle.read(2)
range(ifdsize)
struct.unpack("<HHLL", fhandle.read(12)
ValueError("Invalid TIFF file: width and/or height IDS entries are missing.")
head.startswith(b"\x49\x49\x2b\x00")
struct.unpack('<L', head[4:8])
ValueError('Invalid BigTIFF file: Expected offset to be 8, found {} instead.'.format(offset)
struct.unpack('<Q', head[8:16])
fhandle.seek(offset)
struct.unpack("<Q", fhandle.read(8)
range(ifdsize)
struct.unpack("<HHQQ", fhandle.read(20)
ValueError("Invalid BigTIFF file: width and/or height IDS entries are missing.")
and (head.startswith(b'<?xml')
head.startswith(b'<svg')
fhandle.seek(0)
fhandle.read(1024)
data.decode('utf-8')
re.search(r'[^-]width="(.*?)
group(1)
re.search(r'[^-]height="(.*?)
group(1)
ValueError("Invalid SVG file")
_convertToPx(width)
_convertToPx(height)
fhandle.seek(2)
fhandle.read(1)
next_chr.isspace()
ValueError("Invalid Netpbm file")
fhandle.readline()
next_chr.isdigit()
ValueError("Invalid character found on Netpbm file")
fhandle.read(1)
next_chr.isdigit()
fhandle.read(1)
sizes.append(int(size)
len(sizes)
fhandle.seek(-1, os.SEEK_CUR)
fhandle.close()
getDPI(filepath)
Return (x DPI, y DPI)
isinstance(filepath, bytes)
str(filepath)
open(filepath, 'rb')
fhandle.read(24)
len(head)
in (b'GIF87a', b'GIF89a')
head.startswith(b'\211PNG\r\n\032\n')
struct.unpack(">LLB", chunk[8:])
ValueError("Invalid PNG file")
_convertToDPI(xDensity, _UNIT_1M)
_convertToDPI(yDensity, _UNIT_1M)
struct.unpack(">L", chunk[0:4])
ValueError("Invalid PNG file")
fhandle.seek(chunkOffset)
fhandle.read(17)
head.startswith(b'\377\330')
fhandle.seek(0)
fhandle.seek(7, 1)
struct.unpack(">BHH", fhandle.read(5)
_convertToDPI(xDensity, _UNIT_CM)
_convertToDPI(yDensity, _UNIT_CM)
fhandle.seek(size, 1)
fhandle.read(1)
ord(byte)