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explicitly add txt, md, and csv types for consumer and viewer; fix thumbnail generation

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This commit is contained in:
Joshua Taillon 2018-09-03 23:46:13 -04:00
parent d6fedbec52
commit 4849249d86
4 changed files with 63 additions and 22 deletions
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21
src/documents/models.py
View File

@ -188,7 +188,11 @@ class Document(models.Model):
TYPE_JPG = "jpg"
TYPE_GIF = "gif"
TYPE_TIF = "tiff"
TYPES = (TYPE_PDF, TYPE_PNG, TYPE_JPG, TYPE_GIF, TYPE_TIF,)
TYPE_TXT = "txt"
TYPE_CSV = "csv"
TYPE_MD = "md"
TYPES = (TYPE_PDF, TYPE_PNG, TYPE_JPG, TYPE_GIF, TYPE_TIF,
TYPE_TXT, TYPE_CSV, TYPE_MD)
STORAGE_TYPE_UNENCRYPTED = "unencrypted"
STORAGE_TYPE_GPG = "gpg"
@ -361,51 +365,52 @@ class FileInfo:
)
)
formats = "pdf|jpe?g|png|gif|tiff?|te?xt|md|csv"
REGEXES = OrderedDict([
("created-correspondent-title-tags", re.compile(
r"^(?P<created>\d\d\d\d\d\d\d\d(\d\d\d\d\d\d)?Z) - "
r"(?P<correspondent>.*) - "
r"(?P<title>.*) - "
r"(?P<tags>[a-z0-9\-,]*)"
r"\.(?P<extension>pdf|jpe?g|png|gif|tiff?)$",
r"\.(?P<extension>{})$".format(formats),
flags=re.IGNORECASE
)),
("created-title-tags", re.compile(
r"^(?P<created>\d\d\d\d\d\d\d\d(\d\d\d\d\d\d)?Z) - "
r"(?P<title>.*) - "
r"(?P<tags>[a-z0-9\-,]*)"
r"\.(?P<extension>pdf|jpe?g|png|gif|tiff?)$",
r"\.(?P<extension>{})$".format(formats),
flags=re.IGNORECASE
)),
("created-correspondent-title", re.compile(
r"^(?P<created>\d\d\d\d\d\d\d\d(\d\d\d\d\d\d)?Z) - "
r"(?P<correspondent>.*) - "
r"(?P<title>.*)"
r"\.(?P<extension>pdf|jpe?g|png|gif|tiff?)$",
r"\.(?P<extension>{})$".format(formats),
flags=re.IGNORECASE
)),
("created-title", re.compile(
r"^(?P<created>\d\d\d\d\d\d\d\d(\d\d\d\d\d\d)?Z) - "
r"(?P<title>.*)"
r"\.(?P<extension>pdf|jpe?g|png|gif|tiff?)$",
r"\.(?P<extension>{})$".format(formats),
flags=re.IGNORECASE
)),
("correspondent-title-tags", re.compile(
r"(?P<correspondent>.*) - "
r"(?P<title>.*) - "
r"(?P<tags>[a-z0-9\-,]*)"
r"\.(?P<extension>pdf|jpe?g|png|gif|tiff?)$",
r"\.(?P<extension>{})$".format(formats),
flags=re.IGNORECASE
)),
("correspondent-title", re.compile(
r"(?P<correspondent>.*) - "
r"(?P<title>.*)?"
r"\.(?P<extension>pdf|jpe?g|png|gif|tiff?)$",
r"\.(?P<extension>{})$".format(formats),
flags=re.IGNORECASE
)),
("title", re.compile(
r"(?P<title>.*)"
r"\.(?P<extension>pdf|jpe?g|png|gif|tiff?)$",
r"\.(?P<extension>{})$".format(formats),
flags=re.IGNORECASE
))
])

3
src/documents/views.py
View File

@ -48,6 +48,9 @@ class FetchView(SessionOrBasicAuthMixin, DetailView):
Document.TYPE_JPG: "image/jpeg",
Document.TYPE_GIF: "image/gif",
Document.TYPE_TIF: "image/tiff",
Document.TYPE_CSV: "text/csv",
Document.TYPE_MD: "text/markdown",
Document.TYPE_TXT: "text/plain"
}
if self.kwargs["kind"] == "thumb":

59
src/paperless_text/parsers.py
View File

@ -10,7 +10,7 @@ from documents.parsers import DocumentParser, ParseError
class TextDocumentParser(DocumentParser):
"""
This parser directly parses a text document (.txt or .md)
This parser directly parses a text document (.txt, .md, or .csv)
"""
@ -30,18 +30,50 @@ class TextDocumentParser(DocumentParser):
The thumbnail of a txt is just a 500px wide image of the text
rendered onto a letter-sized page.
"""
# The below is heavily cribbed from https://askubuntu.com/a/590951
run_convert(
self.CONVERT,
"-size", "500x647",
"xc:white",
"-pointsize", "12",
"-fill", "black",
"-draw", "\"text 0,12 \'$(cat {})\'\"".format(self.document_path),
os.path.join(self.tempdir, "convert-txt.png")
)
bg_color = "white" # bg color
text_color = "black" # text color
psize = [500, 647] # icon size
n_lines = 50 # number of lines to show
output_file = os.path.join(self.tempdir, "convert-txt.png")
return os.path.join(self.tempdir, "convert-txt.png")
temp_bg = os.path.join(self.tempdir, "bg.png")
temp_txlayer = os.path.join(self.tempdir, "tx.png")
picsize = "x".join([str(n) for n in psize])
txsize = "x".join([str(n - 8) for n in psize])
def create_bg():
work_size = ",".join([str(n - 1) for n in psize])
r = str(round(psize[0] / 10));
rounded = ",".join([r, r])
run_command(self.CONVERT, "-size ", picsize, ' xc:none -draw ',
'"fill ', bg_color, ' roundrectangle 0,0,',
work_size, ",", rounded, '" ', temp_bg)
def read_text():
with open(self.document_path, 'r') as src:
lines = [l.strip() for l in src.readlines()]
text = "\n".join([l for l in lines[:n_lines]])
return text.replace('"', "'")
def create_txlayer():
run_command(self.CONVERT,
"-background none",
"-fill",
text_color,
"-pointsize", "12",
"-border 4 -bordercolor none",
"-size ", txsize,
' caption:"', read_text(), '" ',
temp_txlayer)
create_txlayer()
create_bg()
run_command(self.CONVERT, temp_bg, temp_txlayer,
"-background None -layers merge ", output_file)
return output_file
def get_text(self):
@ -102,12 +134,13 @@ class TextDocumentParser(DocumentParser):
return date
def run_convert(*args):
def run_command(*args):
environment = os.environ.copy()
if settings.CONVERT_MEMORY_LIMIT:
environment["MAGICK_MEMORY_LIMIT"] = settings.CONVERT_MEMORY_LIMIT
if settings.CONVERT_TMPDIR:
environment["MAGICK_TMPDIR"] = settings.CONVERT_TMPDIR
if not subprocess.Popen(args, env=environment).wait() == 0:
if not subprocess.Popen(' '.join(args), env=environment,
shell=True).wait() == 0:
raise ParseError("Convert failed at {}".format(args))

2
src/paperless_text/signals.py
View File

@ -5,7 +5,7 @@ from .parsers import TextDocumentParser
class ConsumerDeclaration:
MATCHING_FILES = re.compile("^.*\.(txt|md)$")
MATCHING_FILES = re.compile("^.*\.(te?xt|md|csv)$")
@classmethod
def handle(cls, sender, **kwargs):