feat: add psagentai agent with deployment and configuration
Initial project setup including the main agent script, configuration files, profile JSON state, systemd service unit, startup script, deployment documentation, and Python dependencies. Includes .env, venv/, and __pycache__/ which should likely be excluded via .gitignore to avoid committing secrets and artifacts.
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#
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# THIS IS WORK IN PROGRESS
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#
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# The Python Imaging Library.
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# $Id$
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#
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# FlashPix support for PIL
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#
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# History:
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# 97-01-25 fl Created (reads uncompressed RGB images only)
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#
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# Copyright (c) Secret Labs AB 1997.
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# Copyright (c) Fredrik Lundh 1997.
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#
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# See the README file for information on usage and redistribution.
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#
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from __future__ import annotations
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import olefile
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from . import Image, ImageFile
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from ._binary import i32le as i32
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# we map from colour field tuples to (mode, rawmode) descriptors
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MODES = {
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# opacity
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(0x00007FFE,): ("A", "L"),
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# monochrome
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(0x00010000,): ("L", "L"),
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(0x00018000, 0x00017FFE): ("RGBA", "LA"),
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# photo YCC
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(0x00020000, 0x00020001, 0x00020002): ("RGB", "YCC;P"),
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(0x00028000, 0x00028001, 0x00028002, 0x00027FFE): ("RGBA", "YCCA;P"),
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# standard RGB (NIFRGB)
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(0x00030000, 0x00030001, 0x00030002): ("RGB", "RGB"),
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(0x00038000, 0x00038001, 0x00038002, 0x00037FFE): ("RGBA", "RGBA"),
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}
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#
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# --------------------------------------------------------------------
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def _accept(prefix: bytes) -> bool:
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return prefix.startswith(olefile.MAGIC)
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##
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# Image plugin for the FlashPix images.
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class FpxImageFile(ImageFile.ImageFile):
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format = "FPX"
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format_description = "FlashPix"
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def _open(self) -> None:
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#
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# read the OLE directory and see if this is a likely
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# to be a FlashPix file
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assert self.fp is not None
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try:
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self.ole = olefile.OleFileIO(self.fp)
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except OSError as e:
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msg = "not an FPX file; invalid OLE file"
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raise SyntaxError(msg) from e
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root = self.ole.root
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if not root or root.clsid != "56616700-C154-11CE-8553-00AA00A1F95B":
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msg = "not an FPX file; bad root CLSID"
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raise SyntaxError(msg)
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self._open_index(1)
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def _open_index(self, index: int = 1) -> None:
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#
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# get the Image Contents Property Set
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prop = self.ole.getproperties(
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[f"Data Object Store {index:06d}", "\005Image Contents"]
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)
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# size (highest resolution)
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assert isinstance(prop[0x1000002], int)
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assert isinstance(prop[0x1000003], int)
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self._size = prop[0x1000002], prop[0x1000003]
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size = max(self.size)
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i = 1
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while size > 64:
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size = size // 2
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i += 1
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self.maxid = i - 1
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# mode. instead of using a single field for this, flashpix
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# requires you to specify the mode for each channel in each
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# resolution subimage, and leaves it to the decoder to make
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# sure that they all match. for now, we'll cheat and assume
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# that this is always the case.
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id = self.maxid << 16
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s = prop[0x2000002 | id]
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if not isinstance(s, bytes) or (bands := i32(s, 4)) > 4:
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msg = "Invalid number of bands"
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raise OSError(msg)
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# note: for now, we ignore the "uncalibrated" flag
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colors = tuple(i32(s, 8 + i * 4) & 0x7FFFFFFF for i in range(bands))
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self._mode, self.rawmode = MODES[colors]
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# load JPEG tables, if any
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self.jpeg = {}
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for i in range(256):
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id = 0x3000001 | (i << 16)
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if id in prop:
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self.jpeg[i] = prop[id]
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self._open_subimage(1, self.maxid)
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def _open_subimage(self, index: int = 1, subimage: int = 0) -> None:
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#
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# setup tile descriptors for a given subimage
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stream = [
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f"Data Object Store {index:06d}",
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f"Resolution {subimage:04d}",
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"Subimage 0000 Header",
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]
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fp = self.ole.openstream(stream)
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# skip prefix
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fp.read(28)
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# header stream
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s = fp.read(36)
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size = i32(s, 4), i32(s, 8)
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# tilecount = i32(s, 12)
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xtile, ytile = i32(s, 16), i32(s, 20)
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# channels = i32(s, 24)
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offset = i32(s, 28)
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length = i32(s, 32)
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if size != self.size:
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msg = "subimage mismatch"
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raise OSError(msg)
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# get tile descriptors
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fp.seek(28 + offset)
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s = fp.read(i32(s, 12) * length)
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x = y = 0
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xsize, ysize = size
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self.tile = []
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for i in range(0, len(s), length):
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x1 = min(xsize, x + xtile)
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y1 = min(ysize, y + ytile)
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compression = i32(s, i + 8)
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if compression == 0:
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self.tile.append(
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ImageFile._Tile(
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"raw",
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(x, y, x1, y1),
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i32(s, i) + 28,
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self.rawmode,
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)
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)
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elif compression == 1:
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# FIXME: the fill decoder is not implemented
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self.tile.append(
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ImageFile._Tile(
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"fill",
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(x, y, x1, y1),
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i32(s, i) + 28,
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(self.rawmode, s[12:16]),
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)
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)
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elif compression == 2:
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internal_color_conversion = s[14]
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jpeg_tables = s[15]
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rawmode = self.rawmode
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if internal_color_conversion:
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# The image is stored as usual (usually YCbCr).
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if rawmode == "RGBA":
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# For "RGBA", data is stored as YCbCrA based on
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# negative RGB. The following trick works around
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# this problem :
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jpegmode, rawmode = "YCbCrK", "CMYK"
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else:
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jpegmode = None # let the decoder decide
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else:
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# The image is stored as defined by rawmode
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jpegmode = rawmode
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self.tile.append(
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ImageFile._Tile(
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"jpeg",
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(x, y, x1, y1),
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i32(s, i) + 28,
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(rawmode, jpegmode),
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)
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)
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# FIXME: jpeg tables are tile dependent; the prefix
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# data must be placed in the tile descriptor itself!
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if jpeg_tables:
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self.tile_prefix = self.jpeg[jpeg_tables]
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else:
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msg = "unknown/invalid compression"
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raise OSError(msg)
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x += xtile
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if x >= xsize:
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x, y = 0, y + ytile
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if y >= ysize:
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break # isn't really required
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assert self.fp is not None
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self.stream = stream
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self._fp = self.fp
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self.fp = None
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def load(self) -> Image.core.PixelAccess | None:
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if not self.fp:
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self.fp = self.ole.openstream(self.stream[:2] + ["Subimage 0000 Data"])
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return ImageFile.ImageFile.load(self)
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def close(self) -> None:
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self.ole.close()
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super().close()
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def __exit__(self, *args: object) -> None:
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self.ole.close()
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super().__exit__()
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#
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# --------------------------------------------------------------------
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Image.register_open(FpxImageFile.format, FpxImageFile, _accept)
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Image.register_extension(FpxImageFile.format, ".fpx")
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