id card generator

1 files changed, 414 insertions, 0 deletions

diff --git a/env/lib/python3.10/site-packages/PIL/EpsImagePlugin.py b/env/lib/python3.10/site-packages/PIL/EpsImagePlugin.py
new file mode 100644
index 0000000..0e434c5
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+++ b/env/lib/python3.10/site-packages/PIL/EpsImagePlugin.py
@@ -0,0 +1,414 @@
+#
+# The Python Imaging Library.
+# $Id$
+#
+# EPS file handling
+#
+# History:
+# 1995-09-01 fl   Created (0.1)
+# 1996-05-18 fl   Don't choke on "atend" fields, Ghostscript interface (0.2)
+# 1996-08-22 fl   Don't choke on floating point BoundingBox values
+# 1996-08-23 fl   Handle files from Macintosh (0.3)
+# 2001-02-17 fl   Use 're' instead of 'regex' (Python 2.1) (0.4)
+# 2003-09-07 fl   Check gs.close status (from Federico Di Gregorio) (0.5)
+# 2014-05-07 e    Handling of EPS with binary preview and fixed resolution
+#                 resizing
+#
+# Copyright (c) 1997-2003 by Secret Labs AB.
+# Copyright (c) 1995-2003 by Fredrik Lundh
+#
+# See the README file for information on usage and redistribution.
+#
+
+import io
+import os
+import re
+import subprocess
+import sys
+import tempfile
+
+from . import Image, ImageFile
+from ._binary import i32le as i32
+
+#
+# --------------------------------------------------------------------
+
+split = re.compile(r"^%%([^:]*):[ \t]*(.*)[ \t]*$")
+field = re.compile(r"^%[%!\w]([^:]*)[ \t]*$")
+
+gs_windows_binary = None
+if sys.platform.startswith("win"):
+    import shutil
+
+    for binary in ("gswin32c", "gswin64c", "gs"):
+        if shutil.which(binary) is not None:
+            gs_windows_binary = binary
+            break
+    else:
+        gs_windows_binary = False
+
+
+def has_ghostscript():
+    if gs_windows_binary:
+        return True
+    if not sys.platform.startswith("win"):
+        try:
+            subprocess.check_call(["gs", "--version"], stdout=subprocess.DEVNULL)
+            return True
+        except OSError:
+            # No Ghostscript
+            pass
+    return False
+
+
+def Ghostscript(tile, size, fp, scale=1, transparency=False):
+    """Render an image using Ghostscript"""
+
+    # Unpack decoder tile
+    decoder, tile, offset, data = tile[0]
+    length, bbox = data
+
+    # Hack to support hi-res rendering
+    scale = int(scale) or 1
+    # orig_size = size
+    # orig_bbox = bbox
+    size = (size[0] * scale, size[1] * scale)
+    # resolution is dependent on bbox and size
+    res = (
+        72.0 * size[0] / (bbox[2] - bbox[0]),
+        72.0 * size[1] / (bbox[3] - bbox[1]),
+    )
+
+    out_fd, outfile = tempfile.mkstemp()
+    os.close(out_fd)
+
+    infile_temp = None
+    if hasattr(fp, "name") and os.path.exists(fp.name):
+        infile = fp.name
+    else:
+        in_fd, infile_temp = tempfile.mkstemp()
+        os.close(in_fd)
+        infile = infile_temp
+
+        # Ignore length and offset!
+        # Ghostscript can read it
+        # Copy whole file to read in Ghostscript
+        with open(infile_temp, "wb") as f:
+            # fetch length of fp
+            fp.seek(0, io.SEEK_END)
+            fsize = fp.tell()
+            # ensure start position
+            # go back
+            fp.seek(0)
+            lengthfile = fsize
+            while lengthfile > 0:
+                s = fp.read(min(lengthfile, 100 * 1024))
+                if not s:
+                    break
+                lengthfile -= len(s)
+                f.write(s)
+
+    device = "pngalpha" if transparency else "ppmraw"
+
+    # Build Ghostscript command
+    command = [
+        "gs",
+        "-q",  # quiet mode
+        "-g%dx%d" % size,  # set output geometry (pixels)
+        "-r%fx%f" % res,  # set input DPI (dots per inch)
+        "-dBATCH",  # exit after processing
+        "-dNOPAUSE",  # don't pause between pages
+        "-dSAFER",  # safe mode
+        f"-sDEVICE={device}",
+        f"-sOutputFile={outfile}",  # output file
+        # adjust for image origin
+        "-c",
+        f"{-bbox[0]} {-bbox[1]} translate",
+        "-f",
+        infile,  # input file
+        # showpage (see https://bugs.ghostscript.com/show_bug.cgi?id=698272)
+        "-c",
+        "showpage",
+    ]
+
+    if gs_windows_binary is not None:
+        if not gs_windows_binary:
+            raise OSError("Unable to locate Ghostscript on paths")
+        command[0] = gs_windows_binary
+
+    # push data through Ghostscript
+    try:
+        startupinfo = None
+        if sys.platform.startswith("win"):
+            startupinfo = subprocess.STARTUPINFO()
+            startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
+        subprocess.check_call(command, startupinfo=startupinfo)
+        out_im = Image.open(outfile)
+        out_im.load()
+    finally:
+        try:
+            os.unlink(outfile)
+            if infile_temp:
+                os.unlink(infile_temp)
+        except OSError:
+            pass
+
+    im = out_im.im.copy()
+    out_im.close()
+    return im
+
+
+class PSFile:
+    """
+    Wrapper for bytesio object that treats either CR or LF as end of line.
+    """
+
+    def __init__(self, fp):
+        self.fp = fp
+        self.char = None
+
+    def seek(self, offset, whence=io.SEEK_SET):
+        self.char = None
+        self.fp.seek(offset, whence)
+
+    def readline(self):
+        s = [self.char or b""]
+        self.char = None
+
+        c = self.fp.read(1)
+        while (c not in b"\r\n") and len(c):
+            s.append(c)
+            c = self.fp.read(1)
+
+        self.char = self.fp.read(1)
+        # line endings can be 1 or 2 of \r \n, in either order
+        if self.char in b"\r\n":
+            self.char = None
+
+        return b"".join(s).decode("latin-1")
+
+
+def _accept(prefix):
+    return prefix[:4] == b"%!PS" or (len(prefix) >= 4 and i32(prefix) == 0xC6D3D0C5)
+
+
+##
+# Image plugin for Encapsulated PostScript.  This plugin supports only
+# a few variants of this format.
+
+
+class EpsImageFile(ImageFile.ImageFile):
+    """EPS File Parser for the Python Imaging Library"""
+
+    format = "EPS"
+    format_description = "Encapsulated Postscript"
+
+    mode_map = {1: "L", 2: "LAB", 3: "RGB", 4: "CMYK"}
+
+    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) == 1:
+                    self.mode = "1"
+                elif int(bi) == 8:
+                    try:
+                        self.mode = self.mode_map[int(mo)]
+                    except ValueError:
+                        break
+                else:
+                    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")
+
+    def _find_offset(self, fp):
+
+        s = fp.read(160)
+
+        if s[:4] == b"%!PS":
+            # for HEAD without binary preview
+            fp.seek(0, io.SEEK_END)
+            length = fp.tell()
+            offset = 0
+        elif i32(s, 0) == 0xC6D3D0C5:
+            # FIX for: Some EPS file not handled correctly / issue #302
+            # EPS can contain binary data
+            # or start directly with latin coding
+            # more info see:
+            # https://web.archive.org/web/20160528181353/http://partners.adobe.com/public/developer/en/ps/5002.EPSF_Spec.pdf
+            offset = i32(s, 4)
+            length = i32(s, 8)
+        else:
+            raise SyntaxError("not an EPS file")
+
+        return length, offset
+
+    def load(self, scale=1, transparency=False):
+        # Load EPS via Ghostscript
+        if self.tile:
+            self.im = Ghostscript(self.tile, self.size, self.fp, scale, transparency)
+            self.mode = self.im.mode
+            self._size = self.im.size
+            self.tile = []
+        return Image.Image.load(self)
+
+    def load_seek(self, *args, **kwargs):
+        # we can't incrementally load, so force ImageFile.parser to
+        # use our custom load method by defining this method.
+        pass
+
+
+#
+# --------------------------------------------------------------------
+
+
+def _save(im, fp, filename, eps=1):
+    """EPS Writer for the Python Imaging Library."""
+
+    #
+    # make sure image data is available
+    im.load()
+
+    #
+    # determine PostScript image mode
+    if im.mode == "L":
+        operator = (8, 1, b"image")
+    elif im.mode == "RGB":
+        operator = (8, 3, b"false 3 colorimage")
+    elif im.mode == "CMYK":
+        operator = (8, 4, b"false 4 colorimage")
+    else:
+        raise ValueError("image mode is not supported")
+
+    if eps:
+        #
+        # write EPS header
+        fp.write(b"%!PS-Adobe-3.0 EPSF-3.0\n")
+        fp.write(b"%%Creator: PIL 0.1 EpsEncode\n")
+        # fp.write("%%CreationDate: %s"...)
+        fp.write(b"%%%%BoundingBox: 0 0 %d %d\n" % im.size)
+        fp.write(b"%%Pages: 1\n")
+        fp.write(b"%%EndComments\n")
+        fp.write(b"%%Page: 1 1\n")
+        fp.write(b"%%ImageData: %d %d " % im.size)
+        fp.write(b'%d %d 0 1 1 "%s"\n' % operator)
+
+    #
+    # image header
+    fp.write(b"gsave\n")
+    fp.write(b"10 dict begin\n")
+    fp.write(b"/buf %d string def\n" % (im.size[0] * operator[1]))
+    fp.write(b"%d %d scale\n" % im.size)
+    fp.write(b"%d %d 8\n" % im.size)  # <= bits
+    fp.write(b"[%d 0 0 -%d 0 %d]\n" % (im.size[0], im.size[1], im.size[1]))
+    fp.write(b"{ currentfile buf readhexstring pop } bind\n")
+    fp.write(operator[2] + b"\n")
+    if hasattr(fp, "flush"):
+        fp.flush()
+
+    ImageFile._save(im, fp, [("eps", (0, 0) + im.size, 0, None)])
+
+    fp.write(b"\n%%%%EndBinary\n")
+    fp.write(b"grestore end\n")
+    if hasattr(fp, "flush"):
+        fp.flush()
+
+
+#
+# --------------------------------------------------------------------
+
+
+Image.register_open(EpsImageFile.format, EpsImageFile, _accept)
+
+Image.register_save(EpsImageFile.format, _save)
+
+Image.register_extensions(EpsImageFile.format, [".ps", ".eps"])
+
+Image.register_mime(EpsImageFile.format, "application/postscript")