Proper metadata support.
This commit is contained in:
Jason A. Donenfeld
parent
781ef1ac92
commit
07369da4aa
@ -112,11 +112,11 @@ class Photo(object):
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except:
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self.is_valid = False
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return
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if attributes is not None and attributes["DateTimeFile"] >= mtime:
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if attributes is not None and attributes["dateTimeFile"] >= mtime:
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self._attributes = attributes
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return
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self._attributes = {}
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self._attributes["DateTimeFile"] = mtime
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self._attributes["dateTimeFile"] = mtime
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try:
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image = Image.open(path)
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@ -127,30 +127,76 @@ class Photo(object):
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self._thumbnails(image, thumb_path)
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def _metadata(self, image):
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self._attributes["size"] = image.size
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self._orientation = 1
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try:
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info = image._getexif()
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except:
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return
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if not info:
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return
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exif = {}
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for tag, value in info.items():
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decoded = TAGS.get(tag, tag)
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if not isinstance(decoded, int) and decoded not in ['JPEGThumbnail', 'TIFFThumbnail', 'Filename', 'FileSource', 'MakerNote', 'UserComment', 'ImageDescription', 'ComponentsConfiguration']:
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if isinstance(value, str):
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value = value.strip()
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if decoded.startswith("DateTime"):
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try:
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value = datetime.strptime(value, '%Y:%m:%d %H:%M:%S')
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except:
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pass
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self._attributes[decoded] = value
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if isinstance(value, str):
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value = value.strip()
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if decoded.startswith("DateTime"):
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try:
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value = datetime.strptime(value, '%Y:%m:%d %H:%M:%S')
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except:
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pass
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exif[decoded] = value
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if "Orientation" in exif:
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self._orientation = exif["Orientation"];
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if self._orientation in range(5, 9):
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self._attributes["size"] = (self._attributes["size"][1], self._attributes["size"][0])
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self._attributes["orientation"] = ["Horizontal (normal)", "Mirror horizontal", "Rotate 180", "Mirror vertical", "Mirror horizontal and rotate 270 CW", "Rotate 90 CW", "Mirror horizontal and rotate 90 CW", "Rotate 270 CW"][self._orientation - 1]
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if "Make" in exif:
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self._attributes["make"] = exif["Make"]
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if "Model" in exif:
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self._attributes["model"] = exif["Model"]
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if "ApertureValue" in exif:
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self._attributes["aperture"] = exif["ApertureValue"]
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if "FNumber" in exif:
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self._attributes["fStop"] = exif["FNumber"]
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if "FocalLength" in exif:
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self._attributes["focalLength"] = exif["FocalLength"]
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if "ISOSpeedRatings" in exif:
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self._attributes["iso"] = exif["ISOSpeedRatings"]
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if "ISO" in exif:
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self._attributes["iso"] = exif["ISO"]
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if "PhotographicSensitivity" in exif:
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self._attributes["iso"] = exif["PhotographicSensitivity"]
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if "ExposureTime" in exif:
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self._attributes["exposureTime"] = exif["ExposureTime"]
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if "MeteringMode" in exif:
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self._attributes["meteringMode"] = exif["MeteringMode"]
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if "Flash" in exif:
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self._attributes["flash"] = exif["Flash"] != 0
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if "ExposureProgram" in exif:
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self._attributes["exposureProgram"] = ["Not Defined", "Manual", "Program AE", "Aperture-priority AE", "Shutter speed priority AE", "Creative (Slow speed)", "Action (High speed)", "Portrait", "Landscape", "Bulb"][exif["ExposureProgram"]]
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if "SpectralSensitivity" in exif:
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self._attributes["spectralSensitivity"] = exif["SpectralSensitivity"]
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if "MeteringMode" in exif:
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if exif["MeteringMode"] == 255:
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self._attributes["meteringMode"] = "Other"
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else:
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self._attributes["meteringMode"] = ["Unknown", "Average", "Center-weighted average", "Spot", "Multi-spot", "Multi-segment", "Partial"][exif["MeteringMode"]]
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if "ExposureCompensation" in exif:
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self._attributes["exposureCompensation"] = exif["ExposureCompensation"]
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if "ExposureBiasValue" in exif:
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self._attributes["exposureCompensation"] = exif["ExposureBiasValue"]
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if "DateTimeOriginal" in exif:
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self._attributes["dateTimeOriginal"] = exif["DateTimeOriginal"]
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if "DateTime" in exif:
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self._attributes["dateTime"] = exif["DateTime"]
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if "Orientation" in self._attributes and self._attributes["Orientation"] in range(5, 9):
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self._attributes["size"] = (self._attributes["size"][1], self._attributes["size"][0])
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def _thumbnail(self, image, thumb_path, size, square=False):
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thumb_path = os.path.join(thumb_path, image_cache(self._path, size, square))
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print "Thumbing %s" % thumb_path
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if os.path.exists(thumb_path) and file_mtime(thumb_path) >= self._attributes["DateTimeFile"]:
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if os.path.exists(thumb_path) and file_mtime(thumb_path) >= self._attributes["dateTimeFile"]:
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return
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gc.collect()
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image = image.copy()
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@ -174,30 +220,26 @@ class Photo(object):
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os.path.unlink(thumb_path)
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def _thumbnails(self, image, thumb_path):
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if "Orientation" in self._attributes:
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orientation = self._attributes["Orientation"]
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else:
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orientation = 1
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mirror = image
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if orientation == 2:
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if self._orientation == 2:
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# Vertical Mirror
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mirror = image.transpose(Image.FLIP_LEFT_RIGHT)
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elif orientation == 3:
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elif self._orientation == 3:
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# Rotation 180
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mirror = image.transpose(Image.ROTATE_180)
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elif orientation == 4:
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elif self._orientation == 4:
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# Horizontal Mirror
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mirror = image.transpose(Image.FLIP_TOP_BOTTOM)
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elif orientation == 5:
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elif self._orientation == 5:
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# Horizontal Mirror + Rotation 270
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mirror = image.transpose(Image.FLIP_TOP_BOTTOM).transpose(Image.ROTATE_270)
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elif orientation == 6:
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elif self._orientation == 6:
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# Rotation 270
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mirror = image.transpose(Image.ROTATE_270)
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elif orientation == 7:
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elif self._orientation == 7:
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# Vertical Mirror + Rotation 270
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mirror = image.transpose(Image.FLIP_LEFT_RIGHT).transpose(Image.ROTATE_270)
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elif orientation == 8:
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elif self._orientation == 8:
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# Rotation 90
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mirror = image.transpose(Image.ROTATE_90)
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for size in Photo.thumb_sizes:
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@ -222,7 +264,7 @@ class Photo(object):
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elif "DateTime" in self._attributes:
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return self._attributes["DateTime"]
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else:
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return self._attributes["DateTimeFile"]
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return self._attributes["dateTimeFile"]
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def __cmp__(self, other):
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date_compare = cmp(self.date, other.date)
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if date_compare == 0:
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@ -156,13 +156,16 @@ $(document).ready(function() {
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if (current_photo.model != undefined) text += "<tr><td>Camera Model</td><td>" + current_photo.model + "</td></tr>";
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if (current_photo.date != undefined) text += "<tr><td>Time Taken</td><td>" + current_photo.date + "</td></tr>";
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if (current_photo.size != undefined) text += "<tr><td>Resolution</td><td>" + current_photo.size[0] + " x " + current_photo.size[1] + "</td></tr>";
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if (current_photo.shutterSpeed != undefined) text += "<tr><td>Shutter Speed</td><td>" + current_photo.shutterSpeed + "</td></tr>";
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if (current_photo.aperture != undefined) text += "<tr><td>Aperture</td><td>" + current_photo.aperture + "</td></tr>";
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if (current_photo.fStop != undefined) text += "<tr><td>F-Stop</td><td>" + current_photo.fStop + "</td></tr>";
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if (current_photo.focalLength != undefined) text += "<tr><td>Focal Length</td><td>" + current_photo.focalLength + "</td></tr>";
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if (current_photo.iso != undefined) text += "<tr><td>ISO Sensitivity</td><td>" + current_photo.iso + "</td></tr>";
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if (current_photo.exposureCompenstaion != undefined) text += "<tr><td>Exposure Compenstation</td><td>" + current_photo.exposureCompenstaion + "</td></tr>";
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if (current_photo.meteringMode != undefined) text += "<tr><td>Metering Mode</td><td>" + current_photo.meteringMode + "</td></tr>";
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if (current_photo.flashFired != undefined) text += "<tr><td>Flash Fired</td><td>" + current_photo.flashFired + "</td></tr>";
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if (current_photo.iso != undefined) text += "<tr><td>ISO</td><td>" + current_photo.iso + "</td></tr>";
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if (current_photo.exposureTime != undefined) text += "<tr><td>Exposure Time</td><td>" + current_photo.exposureTime + "</td></tr>";
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if (current_photo.exposureProgram != undefined) text += "<tr><td>Exposure Program</td><td>" + current_photo.exposureProgram + "</td></tr>";
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if (current_photo.exposureCompensation != undefined) text += "<tr><td>Exposure Compensation</td><td>" + current_photo.exposureCompensation + "</td></tr>";
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if (current_photo.exposureBiasValue != undefined) text += "<tr><td>Exposure Bias</td><td>" + current_photo.exposureBiasValue + "</td></tr>";
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if (current_photo.spectralSensitivity != undefined) text += "<tr><td>Spectra lSensitivity</td><td>" + current_photo.spectralSensitivity + "</td></tr>";
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if (current_photo.flash != undefined) text += "<tr><td>Flash</td><td>" + (current_photo.flash ? "Yes" : "No") + "</td></tr>";
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if (current_photo.orientation != undefined) text += "<tr><td>Orientation</td><td>" + current_photo.orientation + "</td></tr>";
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text += "</table>";
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$("#metadata").html(text);
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