def process_image(ctx, source_image, dst_filename, width, height=None,
crop=False):
"""Build image from source image, optionally compressing and resizing.
"source_image" is the absolute path of the source in the content directory,
"dst_filename" is the absolute path of the target in the output directory.
"""
im = find_imagemagick(
ctx.build_state.config['IMAGEMAGICK_EXECUTABLE'])
quality = get_quality(source_image)
resize_key = str(width)
if height is not None:
resize_key += 'x' + str(height)
cmdline = [im, source_image]
if crop:
cmdline += ['-resize', resize_key + '^',
'-gravity', 'Center',
'-extent', resize_key]
else:
cmdline += ['-resize', resize_key]
cmdline += ['-auto-orient', '-quality', str(quality), dst_filename]
reporter.report_debug_info('imagemagick cmd line', cmdline)
portable_popen(cmdline).wait()
def merge_pot(self, from_filenames, to_filename):
msgcat = locate_executable('msgcat')
cmdline = [msgcat, "--use-first"]
cmdline.extend(from_filenames)
cmdline.extend(("-o", to_filename))
reporter.report_debug_info('msgcat cmd line', cmdline)
portable_popen(cmdline).wait()
def build_thumbnail_artifact(artifact):
artifact.ensure_dir()
vfilter = 'thumbnail,scale={rw}:{rh},crop={tw}:{th}'.format(
rw=resize_dim.width,
rh=resize_dim.height,
tw=crop_dim.width,
th=crop_dim.height,
)
cmdline = [
ffmpeg,
'-loglevel', '-8',
'-ss', get_timecode(seek), # Input seeking since it's faster
'-i', source_video,
'-vf', vfilter,
'-frames:v', '1',
'-qscale:v', str(get_ffmpeg_quality(quality)),
artifact.dst_filename,
]
reporter.report_debug_info('ffmpeg cmd line', cmdline)
proc = portable_popen(cmdline)
if proc.wait() != 0:
raise RuntimeError(
'ffmpeg exited with code {}'.format(proc.returncode))
if not os.path.exists(artifact.dst_filename):
msg = ('Unable to create video thumbnail for {!r}. Maybe the seek '
'is outside of the video duration?')
raise RuntimeError(msg.format(source_video))
def process_image(ctx,
source_image,
dst_filename,
width=None,
height=None,
mode=ThumbnailMode.DEFAULT,
quality=None,
offset=None,
zoom=None):
"""Build image from source image, optionally compressing and resizing.
"source_image" is the absolute path of the source in the content directory,
"dst_filename" is the absolute path of the target in the output directory.
"""
if width is None and height is None:
raise ValueError("Must specify at least one of width or height.")
im = find_imagemagick(ctx.build_state.config["IMAGEMAGICK_EXECUTABLE"])
if quality is None:
quality = get_quality(source_image)
resize_key = ''
offset_key = ''
gravity = 'Center'
zoom_key = '100%'
if width is not None:
resize_key += str(width)
if height is not None:
resize_key += 'x' + str(height)
if offset is not None and len(offset) == 2:
offset_key = '%+d%+d' % ((offset[0] - width / 2),
(offset[1] - height / 2))
gravity = 'NorthWest'
if zoom is not None:
zoom_key = '%d' % zoom + '%'
print(gravity, offset_key, zoom_key, dst_filename)
if mode == ThumbnailMode.STRETCH:
resize_key += "!"
cmdline = [im, source_image, "-auto-orient"]
if mode == ThumbnailMode.CROP:
cmdline += [
'-resize',
zoom_key,
'-gravity',
gravity,
'-extent',
resize_key + offset_key,
]
else:
cmdline += ["-resize", resize_key]
cmdline += ["-strip", "-colorspace", "sRGB"]
cmdline += ["-quality", str(quality), dst_filename]
reporter.report_debug_info("imagemagick cmd line", cmdline)
portable_popen(cmdline).wait()
def merge_pot(self, from_filenames, to_filename):
msgcat=locate_executable('msgcat')
cmdline=[msgcat, "--use-first"]
cmdline.extend(from_filenames)
cmdline.extend(("-o", to_filename))
reporter.report_debug_info('msgcat cmd line', cmdline)
portable_popen(cmdline).wait()
def build_artifact(self, artifact):
ctx = get_ctx()
source_out = self.build_state.make_named_temporary("less")
map_out = self.build_state.make_named_temporary("less-sourcemap")
here = os.path.dirname(self.source.source_filename)
cmdline = [
"lessc",
"--no-js",
"--include-path=%s" % here,
"--source-map=%s" % map_out,
self.source.source_filename,
source_out,
]
reporter.report_debug_info("lessc cmd line", cmdline)
proc = portable_popen(cmdline)
if proc.wait() != 0:
raise RuntimeError("lessc failed")
with open(map_out) as f:
dep_base = os.path.dirname(map_out)
for dep in json.load(f).get("sources") or ():
ctx.record_dependency(os.path.join(dep_base, dep))
artifact.replace_with_file(source_out)
def add(self, text, source):
if not text in self.translations.keys():
self.translations[text] = []
reporter.report_debug_info('added to translation memory : ',
truncate(text))
if not source in self.translations[text]:
self.translations[text].append(source)
def process_image(ctx,
source_image,
dst_filename,
width,
height=None,
crop=False):
"""Build image from source image, optionally compressing and resizing.
"source_image" is the absolute path of the source in the content directory,
"dst_filename" is the absolute path of the target in the output directory.
"""
im = find_imagemagick(ctx.build_state.config['IMAGEMAGICK_EXECUTABLE'])
quality = get_quality(source_image)
resize_key = str(width)
if height is not None:
resize_key += 'x' + str(height)
cmdline = [im, source_image]
if crop:
cmdline += [
'-resize', resize_key + '^', '-gravity', 'Center', '-extent',
resize_key
]
else:
cmdline += ['-resize', resize_key]
cmdline += ['-auto-orient', '-quality', str(quality), dst_filename]
reporter.report_debug_info('imagemagick cmd line', cmdline)
portable_popen(cmdline).wait()
def build_artifact(self, artifact):
ctx = get_ctx()
source_out = self.build_state.make_named_temporary('less')
map_out = self.build_state.make_named_temporary('less-sourcemap')
here = os.path.dirname(self.source.source_filename)
exe = self.build_state.config['LESSC_EXECUTABLE']
if exe is None:
exe = 'lessc'
cmdline = [
exe, '--no-js',
'--include-path=%s' % here,
'--source-map=%s' % map_out, self.source.source_filename,
source_out
]
reporter.report_debug_info('lessc cmd line', cmdline)
proc = portable_popen(cmdline)
if proc.wait() != 0:
raise RuntimeError('lessc failed')
with open(map_out) as f:
for dep in json.load(f).get('sources') or ():
ctx.record_dependency(os.path.join(here, dep))
artifact.replace_with_file(source_out)
@ctx.sub_artifact(artifact_name=artifact.artifact_name + '.map',
sources=[self.source.source_filename])
def build_less_sourcemap_artifact(artifact):
artifact.replace_with_file(map_out)
def parse_templates(self, to_filename):
pybabel=locate_executable('pybabel')
if pybabel is None:
pybabel="/usr/bin/pybabel"
cmdline=[pybabel, 'extract', '-F', 'babel.cfg', "-o", to_filename, "./"]
reporter.report_debug_info('pybabel cmd line', cmdline)
portable_popen(cmdline).wait()
def process_svg_image(
ctx,
source_image,
dst_filename,
width=None,
height=None,
mode=None,
):
if width is None and height is None:
raise ValueError("Must specify at least one of width or height.")
# Because Lektor doesn't have a generic find program (only imagemagick),
# only *nix is supported for simplicity. Imagemagick will be used as the
# fallback on Windows, but it won't work well...
if os.name == 'nt':
return process_image(ctx, source_image, dst_filename, width, height,
mode, 85)
inkscape = locate_executable('inkscape')
cmdline = [inkscape, source_image]
if width is not None:
cmdline += ["-w", str(width)]
if height is not None:
cmdline += ["-h", str(height)]
# FIXME: This will only work with inkscape 1.0+
cmdline += ["--export-filename", dst_filename]
reporter.report_debug_info("inkscape cmd line", cmdline)
portable_popen(cmdline).wait()
def build_artifact(self, artifact):
ctx = get_ctx()
source_out = self.build_state.make_named_temporary('less')
map_out = self.build_state.make_named_temporary('less-sourcemap')
here = os.path.dirname(self.source.source_filename)
exe = self.build_state.config['LESSC_EXECUTABLE']
if exe is None:
exe = 'lessc'
cmdline = [exe, '--no-js', '--include-path=%s' % here,
'--source-map=%s' % map_out,
self.source.source_filename,
source_out]
reporter.report_debug_info('lessc cmd line', cmdline)
proc = portable_popen(cmdline)
if proc.wait() != 0:
raise RuntimeError('lessc failed')
with open(map_out) as f:
for dep in json.load(f).get('sources') or ():
ctx.record_dependency(os.path.join(here, dep))
artifact.replace_with_file(source_out)
@ctx.sub_artifact(artifact_name=artifact.artifact_name + '.map',
sources=[self.source.source_filename])
def build_less_sourcemap_artifact(artifact):
artifact.replace_with_file(map_out)
def _msg_merge(self):
"""Merges an existing <language>.po file with .pot file"""
msgmerge = locate_executable('msgmerge')
cmdline = [
msgmerge, self.FILENAME_PATTERN % self.language, "contents.pot",
"-U", "-N", "--backup=simple"
]
reporter.report_debug_info('msgmerge cmd line', cmdline)
portable_popen(cmdline, cwd=self.i18npath).wait()
def _msg_fmt(self, locale_dirname):
"""Compile an existing <language>.po file into a .mo file"""
msgfmt = locate_executable('msgfmt')
cmdline = [
msgfmt, self.FILENAME_PATTERN % self.language, "-o",
join(locale_dirname, "contents.mo")
]
reporter.report_debug_info('msgfmt cmd line', cmdline)
portable_popen(cmdline, cwd=self.i18npath).wait()
def _msg_init(self):
"""Generates the first <language>.po file"""
msginit = locate_executable('msginit')
cmdline = [
msginit, "-i", "contents.pot", "-l", self.language, "-o",
self.FILENAME_PATTERN % self.language, "--no-translator"
]
reporter.report_debug_info('msginit cmd line', cmdline)
portable_popen(cmdline, cwd=self.i18npath).wait()
def parse_templates(self, to_filename):
pybabel = locate_executable('pybabel')
cmdline = [
pybabel, 'extract', '-F', 'babel.cfg', "-o", to_filename, "./"
]
reporter.report_debug_info('pybabel cmd line', cmdline)
try:
portable_popen(cmdline).wait()
except TypeError as err:
traceback.print_exc(file=sys.stderr)
print(err)
def build_thumbnail_artifact(artifact):
resize_key = str(width)
if height is not None:
resize_key += 'x' + str(height)
artifact.ensure_dir()
cmdline = [im, source_image, '-resize', resize_key,
'-auto-orient', '-quality', str(quality),
artifact.dst_filename]
reporter.report_debug_info('imagemagick cmd line', cmdline)
portable_popen(cmdline).wait()
def translate_tag(self, s, *args, **kwargs):
if not self.enabled:
return s # no operation
s = s.strip()
ctx = get_ctx()
if self.content_language==ctx.locale:
translations.add(s,'(dynamic)')
reporter.report_debug_info('added to translation memory (dynamic): ', truncate(s))
return s
else:
translator = gettext.translation("contents", join(self.i18npath,'_compiled'), languages=[ctx.locale], fallback = True)
return trans(translator, s)
def build_thumbnail_artifact(artifact):
resize_key = str(width)
if height is not None:
resize_key += 'x' + str(height)
artifact.ensure_dir()
cmdline = [
im, source_image, '-resize', resize_key, '-quality',
str(quality), artifact.dst_filename
]
reporter.report_debug_info('imagemagick cmd line', cmdline)
portable_popen(cmdline).wait()
def process_image(
ctx,
source_image,
dst_filename,
width=None,
height=None,
mode=ThumbnailMode.DEFAULT,
quality=None,
):
"""Build image from source image, optionally compressing and resizing.
"source_image" is the absolute path of the source in the content directory,
"dst_filename" is the absolute path of the target in the output directory.
"""
if width is None and height is None:
raise ValueError("Must specify at least one of width or height.")
im = find_imagemagick(ctx.build_state.config["IMAGEMAGICK_EXECUTABLE"])
if quality is None:
quality = get_quality(source_image)
resize_key = ""
if width is not None:
resize_key += str(width)
if height is not None:
resize_key += "x" + str(height)
if mode == ThumbnailMode.STRETCH:
resize_key += "!"
cmdline = [im, source_image, "-auto-orient"]
if mode == ThumbnailMode.CROP:
cmdline += [
"-resize",
resize_key + "^",
"-gravity",
"Center",
"-extent",
resize_key,
]
else:
cmdline += ["-resize", resize_key]
cmdline += ["-strip", "-colorspace", "sRGB"]
cmdline += ["-quality", str(quality), dst_filename]
reporter.report_debug_info("imagemagick cmd line", cmdline)
portable_popen(cmdline).wait()
def process_image(ctx,
source_image,
dst_filename,
width=None,
height=None,
mode=ThumbnailMode.DEFAULT,
quality=None):
"""Build image from source image, optionally compressing and resizing.
"source_image" is the absolute path of the source in the content directory,
"dst_filename" is the absolute path of the target in the output directory.
"""
if width is None and height is None:
raise ValueError("Must specify at least one of width or height.")
im = find_imagemagick(ctx.build_state.config['IMAGEMAGICK_EXECUTABLE'])
if quality is None:
quality = get_quality(source_image)
resize_key = ''
if width is not None:
resize_key += str(width)
if height is not None:
resize_key += 'x' + str(height)
if mode == ThumbnailMode.STRETCH:
resize_key += '!'
cmdline = [im, source_image, '-auto-orient']
if mode == ThumbnailMode.CROP:
cmdline += [
'-resize', resize_key + '^', '-gravity', 'Center', '-extent',
resize_key
]
else:
cmdline += ['-resize', resize_key]
cmdline += ['-quality', str(quality), dst_filename]
reporter.report_debug_info('imagemagick cmd line', cmdline)
portable_popen(cmdline).wait()
def process_image(
ctx,
source_image,
dst_filename,
width=None,
height=None,
mode=None,
quality=None,
extra_params=None,
):
"""Build image from source image, optionally compressing and resizing.
"source_image" is the absolute path of the source in the content directory,
"dst_filename" is the absolute path of the target in the output directory.
"""
if width is None and height is None:
raise ValueError("Must specify at least one of width or height.")
im = find_imagemagick(ctx.build_state.config["IMAGEMAGICK_EXECUTABLE"])
if quality is None:
quality = get_quality(source_image)
resize_key = ""
if width is not None:
resize_key += str(width)
if height is not None:
resize_key += "x" + str(height)
cmdline = [im, source_image, "-auto-orient"]
cmdline += ["-resize", resize_key]
if extra_params:
cmdline.extend(extra_params)
cmdline += ["-quality", str(quality), dst_filename]
reporter.report_debug_info("imagemagick cmd line", cmdline)
portable_popen(cmdline).wait()
def build_thumbnail_artifact(artifact):
artifact.ensure_dir()
vfilter = "thumbnail,scale={rw}:{rh},crop={tw}:{th}".format(
rw=resize_dim.width,
rh=resize_dim.height,
tw=crop_dim.width,
th=crop_dim.height,
)
cmdline = [
ffmpeg,
"-loglevel",
"-8",
"-ss",
get_timecode(seek), # Input seeking since it's faster
"-i",
source_video,
"-vf",
vfilter,
"-frames:v",
"1",
"-qscale:v",
str(get_ffmpeg_quality(quality)),
artifact.dst_filename,
]
reporter.report_debug_info("ffmpeg cmd line", cmdline)
proc = portable_popen(cmdline)
if proc.wait() != 0:
raise RuntimeError("ffmpeg exited with code {}".format(proc.returncode))
if not os.path.exists(artifact.dst_filename):
msg = (
"Unable to create video thumbnail for {!r}. Maybe the seek "
"is outside of the video duration?"
)
raise RuntimeError(msg.format(source_video))
def _msg_fmt(self, locale_dirname):
"""Compile an existing <language>.po file into a .mo file"""
msgfmt=locate_executable('msgfmt')
cmdline=[msgfmt, self.FILENAME_PATTERN%self.language, "-o", join(locale_dirname,"contents.mo")]
reporter.report_debug_info('msgfmt cmd line', cmdline)
portable_popen(cmdline, cwd=self.i18npath).wait()
def add(self, text, source):
if not text in self.translations.keys():
self.translations[text]=[]
reporter.report_debug_info('added to translation memory : ', truncate(text))
if not source in self.translations[text]:
self.translations[text].append(source)
def parse_templates(self, to_filename):
pybabel=locate_executable('pybabel')
cmdline=[pybabel, 'extract', '-F', 'babel.cfg', "-o", to_filename, "./"]
reporter.report_debug_info('pybabel cmd line', cmdline)
portable_popen(cmdline).wait()
def _msg_init(self):
"""Generates the first <language>.po file"""
msginit=locate_executable('msginit')
cmdline=[msginit, "-i", "contents.pot", "-l", self.language, "-o", self.FILENAME_PATTERN%self.language, "--no-translator"]
reporter.report_debug_info('msginit cmd line', cmdline)
portable_popen(cmdline, cwd=self.i18npath).wait()
def _msg_merge(self):
"""Merges an existing <language>.po file with .pot file"""
msgmerge=locate_executable('msgmerge')
cmdline=[msgmerge, self.FILENAME_PATTERN%self.language, "contents.pot", "-U", "-N", "--backup=simple"]
reporter.report_debug_info('msgmerge cmd line', cmdline)
portable_popen(cmdline, cwd=self.i18npath).wait()
