From 572e40ca2713bc5d79fc3ee5fb852b0c7b14d6db Mon Sep 17 00:00:00 2001
From: Jonas Winkler <jonas.winkler@jpwinkler.de>
Date: Sat, 7 Nov 2020 11:30:45 +0100
Subject: [PATCH] backend that supports asgi and status update sockets with
 channels

---
 Pipfile                            |   2 +
 Pipfile.lock                       | 582 +++++++++++++++++++++++++----
 src/documents/consumer.py          |  44 ++-
 src/documents/parsers.py           |   3 +-
 src/paperless/asgi.py              |  37 ++
 src/paperless/settings.py          |  12 +
 src/paperless_tesseract/parsers.py |  25 +-
 7 files changed, 613 insertions(+), 92 deletions(-)
 create mode 100644 src/paperless/asgi.py

diff --git a/Pipfile b/Pipfile
index e8f862578..d526ae252 100644
--- a/Pipfile
+++ b/Pipfile
@@ -26,6 +26,8 @@ fuzzywuzzy = "*"
 python-Levenshtein = "*"
 django-extensions = ""
 watchdog = "*"
+channels = "~=3.0"
+channels-redis = "*"
 
 [dev-packages]
 coveralls = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 8b3bf705a..642e38214 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "2c1558fe7df0aee1ee20b095c2102f802470bf4a4ae09a7749ac487f8bfab8b6"
+            "sha256": "192d7419b844e6bb81fed793e7766b2ba15f2a016af1a33fc73cf09e12de5fb7"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -14,13 +14,151 @@
         ]
     },
     "default": {
+        "aioredis": {
+            "hashes": [
+                "sha256:15f8af30b044c771aee6787e5ec24694c048184c7b9e54c3b60c750a4b93273a",
+                "sha256:b61808d7e97b7cd5a92ed574937a079c9387fdadd22bfbfa7ad2fd319ecc26e3"
+            ],
+            "version": "==1.3.1"
+        },
         "asgiref": {
             "hashes": [
-                "sha256:7e51911ee147dd685c3c8b805c0ad0cb58d360987b56953878f8c06d2d1c6f1a",
-                "sha256:9fc6fb5d39b8af147ba40765234fa822b39818b12cc80b35ad9b0cef3a476aed"
+                "sha256:a5098bc870b80e7b872bff60bb363c7f2c2c89078759f6c47b53ff8c525a152e",
+                "sha256:cd88907ecaec59d78e4ac00ea665b03e571cb37e3a0e37b3702af1a9e86c365a"
             ],
             "markers": "python_version >= '3.5'",
-            "version": "==3.2.10"
+            "version": "==3.3.0"
+        },
+        "async-timeout": {
+            "hashes": [
+                "sha256:0c3c816a028d47f659d6ff5c745cb2acf1f966da1fe5c19c77a70282b25f4c5f",
+                "sha256:4291ca197d287d274d0b6cb5d6f8f8f82d434ed288f962539ff18cc9012f9ea3"
+            ],
+            "markers": "python_full_version >= '3.5.3'",
+            "version": "==3.0.1"
+        },
+        "attrs": {
+            "hashes": [
+                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
+                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==20.3.0"
+        },
+        "autobahn": {
+            "hashes": [
+                "sha256:24ce276d313e84d68241c3aef30d484f352b90a40168981b3640312c821df77b",
+                "sha256:86bbce30cdd407137c57670993a8f9bfdfe3f8e994b889181d85e844d5aa8dfb"
+            ],
+            "markers": "python_version >= '3.5'",
+            "version": "==20.7.1"
+        },
+        "automat": {
+            "hashes": [
+                "sha256:7979803c74610e11ef0c0d68a2942b152df52da55336e0c9d58daf1831cbdf33",
+                "sha256:b6feb6455337df834f6c9962d6ccf771515b7d939bca142b29c20c2376bc6111"
+            ],
+            "version": "==20.2.0"
+        },
+        "cffi": {
+            "hashes": [
+                "sha256:005f2bfe11b6745d726dbb07ace4d53f057de66e336ff92d61b8c7e9c8f4777d",
+                "sha256:09e96138280241bd355cd585148dec04dbbedb4f46128f340d696eaafc82dd7b",
+                "sha256:0b1ad452cc824665ddc682400b62c9e4f5b64736a2ba99110712fdee5f2505c4",
+                "sha256:0ef488305fdce2580c8b2708f22d7785ae222d9825d3094ab073e22e93dfe51f",
+                "sha256:15f351bed09897fbda218e4db5a3d5c06328862f6198d4fb385f3e14e19decb3",
+                "sha256:22399ff4870fb4c7ef19fff6eeb20a8bbf15571913c181c78cb361024d574579",
+                "sha256:23e5d2040367322824605bc29ae8ee9175200b92cb5483ac7d466927a9b3d537",
+                "sha256:2791f68edc5749024b4722500e86303a10d342527e1e3bcac47f35fbd25b764e",
+                "sha256:2f9674623ca39c9ebe38afa3da402e9326c245f0f5ceff0623dccdac15023e05",
+                "sha256:3363e77a6176afb8823b6e06db78c46dbc4c7813b00a41300a4873b6ba63b171",
+                "sha256:33c6cdc071ba5cd6d96769c8969a0531be2d08c2628a0143a10a7dcffa9719ca",
+                "sha256:3b8eaf915ddc0709779889c472e553f0d3e8b7bdf62dab764c8921b09bf94522",
+                "sha256:3cb3e1b9ec43256c4e0f8d2837267a70b0e1ca8c4f456685508ae6106b1f504c",
+                "sha256:3eeeb0405fd145e714f7633a5173318bd88d8bbfc3dd0a5751f8c4f70ae629bc",
+                "sha256:44f60519595eaca110f248e5017363d751b12782a6f2bd6a7041cba275215f5d",
+                "sha256:4d7c26bfc1ea9f92084a1d75e11999e97b62d63128bcc90c3624d07813c52808",
+                "sha256:529c4ed2e10437c205f38f3691a68be66c39197d01062618c55f74294a4a4828",
+                "sha256:6642f15ad963b5092d65aed022d033c77763515fdc07095208f15d3563003869",
+                "sha256:85ba797e1de5b48aa5a8427b6ba62cf69607c18c5d4eb747604b7302f1ec382d",
+                "sha256:8f0f1e499e4000c4c347a124fa6a27d37608ced4fe9f7d45070563b7c4c370c9",
+                "sha256:a624fae282e81ad2e4871bdb767e2c914d0539708c0f078b5b355258293c98b0",
+                "sha256:b0358e6fefc74a16f745afa366acc89f979040e0cbc4eec55ab26ad1f6a9bfbc",
+                "sha256:bbd2f4dfee1079f76943767fce837ade3087b578aeb9f69aec7857d5bf25db15",
+                "sha256:bf39a9e19ce7298f1bd6a9758fa99707e9e5b1ebe5e90f2c3913a47bc548747c",
+                "sha256:c11579638288e53fc94ad60022ff1b67865363e730ee41ad5e6f0a17188b327a",
+                "sha256:c150eaa3dadbb2b5339675b88d4573c1be3cb6f2c33a6c83387e10cc0bf05bd3",
+                "sha256:c53af463f4a40de78c58b8b2710ade243c81cbca641e34debf3396a9640d6ec1",
+                "sha256:cb763ceceae04803adcc4e2d80d611ef201c73da32d8f2722e9d0ab0c7f10768",
+                "sha256:cc75f58cdaf043fe6a7a6c04b3b5a0e694c6a9e24050967747251fb80d7bce0d",
+                "sha256:d80998ed59176e8cba74028762fbd9b9153b9afc71ea118e63bbf5d4d0f9552b",
+                "sha256:de31b5164d44ef4943db155b3e8e17929707cac1e5bd2f363e67a56e3af4af6e",
+                "sha256:e66399cf0fc07de4dce4f588fc25bfe84a6d1285cc544e67987d22663393926d",
+                "sha256:f0620511387790860b249b9241c2f13c3a80e21a73e0b861a2df24e9d6f56730",
+                "sha256:f4eae045e6ab2bb54ca279733fe4eb85f1effda392666308250714e01907f394",
+                "sha256:f92cdecb618e5fa4658aeb97d5eb3d2f47aa94ac6477c6daf0f306c5a3b9e6b1",
+                "sha256:f92f789e4f9241cd262ad7a555ca2c648a98178a953af117ef7fad46aa1d5591"
+            ],
+            "version": "==1.14.3"
+        },
+        "channels": {
+            "hashes": [
+                "sha256:5cdd9c6b9ee663cdf1bbb00de7cdab885a3c418f9d32a29f04b09498828020f6",
+                "sha256:b02e150b48704ec3607d4168402ac5c26138dd183fcdb7f2aeb965e6e19fd558"
+            ],
+            "index": "pypi",
+            "version": "==3.0.1"
+        },
+        "channels-redis": {
+            "hashes": [
+                "sha256:18d63f6462a58011740dc8eeb57ea4b31ec220eb551cb71b27de9c6779a549de",
+                "sha256:2fb31a63b05373f6402da2e6a91a22b9e66eb8b56626c6bfc93e156c734c5ae6"
+            ],
+            "index": "pypi",
+            "version": "==3.2.0"
+        },
+        "constantly": {
+            "hashes": [
+                "sha256:586372eb92059873e29eba4f9dec8381541b4d3834660707faf8ba59146dfc35",
+                "sha256:dd2fa9d6b1a51a83f0d7dd76293d734046aa176e384bf6e33b7e44880eb37c5d"
+            ],
+            "version": "==15.1.0"
+        },
+        "cryptography": {
+            "hashes": [
+                "sha256:07ca431b788249af92764e3be9a488aa1d39a0bc3be313d826bbec690417e538",
+                "sha256:13b88a0bd044b4eae1ef40e265d006e34dbcde0c2f1e15eb9896501b2d8f6c6f",
+                "sha256:32434673d8505b42c0de4de86da8c1620651abd24afe91ae0335597683ed1b77",
+                "sha256:3cd75a683b15576cfc822c7c5742b3276e50b21a06672dc3a800a2d5da4ecd1b",
+                "sha256:4e7268a0ca14536fecfdf2b00297d4e407da904718658c1ff1961c713f90fd33",
+                "sha256:545a8550782dda68f8cdc75a6e3bf252017aa8f75f19f5a9ca940772fc0cb56e",
+                "sha256:55d0b896631412b6f0c7de56e12eb3e261ac347fbaa5d5e705291a9016e5f8cb",
+                "sha256:5849d59358547bf789ee7e0d7a9036b2d29e9a4ddf1ce5e06bb45634f995c53e",
+                "sha256:6dc59630ecce8c1f558277ceb212c751d6730bd12c80ea96b4ac65637c4f55e7",
+                "sha256:7117319b44ed1842c617d0a452383a5a052ec6aa726dfbaffa8b94c910444297",
+                "sha256:75e8e6684cf0034f6bf2a97095cb95f81537b12b36a8fedf06e73050bb171c2d",
+                "sha256:7b8d9d8d3a9bd240f453342981f765346c87ade811519f98664519696f8e6ab7",
+                "sha256:a035a10686532b0587d58a606004aa20ad895c60c4d029afa245802347fab57b",
+                "sha256:a4e27ed0b2504195f855b52052eadcc9795c59909c9d84314c5408687f933fc7",
+                "sha256:a733671100cd26d816eed39507e585c156e4498293a907029969234e5e634bc4",
+                "sha256:a75f306a16d9f9afebfbedc41c8c2351d8e61e818ba6b4c40815e2b5740bb6b8",
+                "sha256:bd717aa029217b8ef94a7d21632a3bb5a4e7218a4513d2521c2a2fd63011e98b",
+                "sha256:d25cecbac20713a7c3bc544372d42d8eafa89799f492a43b79e1dfd650484851",
+                "sha256:d26a2557d8f9122f9bf445fc7034242f4375bd4e95ecda007667540270965b13",
+                "sha256:d3545829ab42a66b84a9aaabf216a4dce7f16dbc76eb69be5c302ed6b8f4a29b",
+                "sha256:d3d5e10be0cf2a12214ddee45c6bd203dab435e3d83b4560c03066eda600bfe3",
+                "sha256:efe15aca4f64f3a7ea0c09c87826490e50ed166ce67368a68f315ea0807a20df"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==3.2.1"
+        },
+        "daphne": {
+            "hashes": [
+                "sha256:60856f7efa0b1e1b969efa074e8698bd09de4713ecc06e6a4d19d04c66c4a3bd",
+                "sha256:b43e70d74ff832a634ff6c92badd208824e4530e08b340116517e5aad0aca774"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==3.0.0"
         },
         "dateparser": {
             "hashes": [
@@ -32,11 +170,11 @@
         },
         "django": {
             "hashes": [
-                "sha256:a2127ad0150ec6966655bedf15dbbff9697cc86d61653db2da1afa506c0b04cc",
-                "sha256:c93c28ccf1d094cbd00d860e83128a39e45d2c571d3b54361713aaaf9a94cac4"
+                "sha256:14a4b7cd77297fba516fc0d92444cc2e2e388aa9de32d7a68d4a83d58f5a4927",
+                "sha256:14b87775ffedab2ef6299b73343d1b4b41e5d4e2aa58c6581f114dbec01e3f8f"
             ],
             "index": "pypi",
-            "version": "==3.1.2"
+            "version": "==3.1.3"
         },
         "django-cors-headers": {
             "hashes": [
@@ -65,11 +203,10 @@
         },
         "djangorestframework": {
             "hashes": [
-                "sha256:5c5071fcbad6dce16f566d492015c829ddb0df42965d488b878594aabc3aed21",
-                "sha256:d54452aedebb4b650254ca092f9f4f5df947cb1de6ab245d817b08b4f4156249"
+                "sha256:0209bafcb7b5010fdfec784034f059d512256424de2a0f084cb82b096d6dd6a7"
             ],
             "index": "pypi",
-            "version": "==3.12.1"
+            "version": "==3.12.2"
         },
         "filemagic": {
             "hashes": [
@@ -94,6 +231,80 @@
             "index": "pypi",
             "version": "==20.0.4"
         },
+        "hiredis": {
+            "hashes": [
+                "sha256:06a039208f83744a702279b894c8cf24c14fd63c59cd917dcde168b79eef0680",
+                "sha256:0a909bf501459062aa1552be1461456518f367379fdc9fdb1f2ca5e4a1fdd7c0",
+                "sha256:18402d9e54fb278cb9a8c638df6f1550aca36a009d47ecf5aa263a38600f35b0",
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+                "sha256:2c1c570ae7bf1bab304f29427e2475fe1856814312c4a1cf1cd0ee133f07a3c6",
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+                "sha256:cdfd501c7ac5b198c15df800a3a34c38345f5182e5f80770caf362bccca65628",
+                "sha256:d2c0caffa47606d6d7c8af94ba42547bd2a441f06c74fd90a1ffe328524a6c64",
+                "sha256:dcb2db95e629962db5a355047fb8aefb012df6c8ae608930d391619dbd96fd86",
+                "sha256:e0eeb9c112fec2031927a1745788a181d0eecbacbed941fc5c4f7bc3f7b273bf",
+                "sha256:e154891263306200260d7f3051982774d7b9ef35af3509d5adbbe539afd2610c",
+                "sha256:e2e023a42dcbab8ed31f97c2bcdb980b7fbe0ada34037d87ba9d799664b58ded",
+                "sha256:e64be68255234bb489a574c4f2f8df7029c98c81ec4d160d6cd836e7f0679390",
+                "sha256:e82d6b930e02e80e5109b678c663a9ed210680ded81c1abaf54635d88d1da298"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.1.0"
+        },
+        "hyperlink": {
+            "hashes": [
+                "sha256:47fcc7cd339c6cb2444463ec3277bdcfe142c8b1daf2160bdd52248deec815af",
+                "sha256:c528d405766f15a2c536230de7e160b65a08e20264d8891b3eb03307b0df3c63"
+            ],
+            "version": "==20.0.1"
+        },
+        "idna": {
+            "hashes": [
+                "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
+                "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.10"
+        },
+        "incremental": {
+            "hashes": [
+                "sha256:717e12246dddf231a349175f48d74d93e2897244939173b01974ab6661406b9f",
+                "sha256:7b751696aaf36eebfab537e458929e194460051ccad279c72b755a167eebd4b3"
+            ],
+            "version": "==17.5.0"
+        },
         "joblib": {
             "hashes": [
                 "sha256:698c311779f347cf6b7e6b8a39bb682277b8ee4aba8cf9507bc0cf4cd4737b72",
@@ -110,45 +321,68 @@
             "index": "pypi",
             "version": "==1.0.8"
         },
+        "msgpack": {
+            "hashes": [
+                "sha256:002a0d813e1f7b60da599bdf969e632074f9eec1b96cbed8fb0973a63160a408",
+                "sha256:25b3bc3190f3d9d965b818123b7752c5dfb953f0d774b454fd206c18fe384fb8",
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+                "sha256:39c54fdebf5fa4dda733369012c59e7d085ebdfe35b6cf648f09d16708f1be5d",
+                "sha256:4233b7f86c1208190c78a525cd3828ca1623359ef48f78a6fea4b91bb995775a",
+                "sha256:5bea44181fc8e18eed1d0cd76e355073f00ce232ff9653a0ae88cb7d9e643322",
+                "sha256:5dba6d074fac9b24f29aaf1d2d032306c27f04187651511257e7831733293ec2",
+                "sha256:7a22c965588baeb07242cb561b63f309db27a07382825fc98aecaf0827c1538e",
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+                "sha256:aa5c057eab4f40ec47ea6f5a9825846be2ff6bf34102c560bad5cad5a677c5be",
+                "sha256:b3758dfd3423e358bbb18a7cccd1c74228dffa7a697e5be6cb9535de625c0dbf",
+                "sha256:c901e8058dd6653307906c5f157f26ed09eb94a850dddd989621098d347926ab",
+                "sha256:cec8bf10981ed70998d98431cd814db0ecf3384e6b113366e7f36af71a0fca08",
+                "sha256:db685187a415f51d6b937257474ca72199f393dad89534ebbdd7d7a3b000080e",
+                "sha256:e35b051077fc2f3ce12e7c6a34cf309680c63a842db3a0616ea6ed25ad20d272",
+                "sha256:e7bbdd8e2b277b77782f3ce34734b0dfde6cbe94ddb74de8d733d603c7f9e2b1",
+                "sha256:ea41c9219c597f1d2bf6b374d951d310d58684b5de9dc4bd2976db9e1e22c140"
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+            "version": "==1.0.0"
+        },
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+                "sha256:a5d897c14513590a85774180be713f692df6fa8ecf6483e561a6d47309566f37",
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+                "sha256:c42c4b73121caf0ed6cd795512c9c09c52a7287b04d105d112068c1736d7c753",
+                "sha256:cb1017eec5257e9ac6209ac172058c430e834d5d2bc21961dceeb79d111e5909",
+                "sha256:d6c7bb82883680e168b55b49c70af29b84b84abb161cbac2800e8fcb6f2109b6",
+                "sha256:e452dc66e08a4ce642a961f134814258a082832c78c90351b75c41ad16f79f63",
+                "sha256:e5b6ed0f0b42317050c88022349d994fe72bfe35f5908617512cd8c8ef9da2a9",
+                "sha256:e9b30d4bd69498fc0c3fe9db5f62fffbb06b8eb9321f92cc970f2969be5e3949",
+                "sha256:ec149b90019852266fec2341ce1db513b843e496d5a8e8cdb5ced1923a92faab",
+                "sha256:edb01671b3caae1ca00881686003d16c2209e07b7ef8b7639f1867852b948f7c",
+                "sha256:f0d3929fe88ee1c155129ecd82f981b8856c5d97bcb0d5f23e9b4242e79d1de3",
+                "sha256:f29454410db6ef8126c83bd3c968d143304633d45dc57b51252afbd79d700893",
+                "sha256:fe45becb4c2f72a0907c1d0246ea6449fe7a9e2293bb0e11c4e9a32bb0930a15",
+                "sha256:fedbd128668ead37f33917820b704784aff695e0019309ad446a6d0b065b57e4"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==1.19.3"
+            "version": "==1.19.4"
         },
         "pathtools": {
             "hashes": [
@@ -202,9 +436,11 @@
                 "sha256:0deac2af1a587ae12836aa07970f5cb91964f05a7c6cdb69d8425ff4c15d4e2c",
                 "sha256:0e4dc3d5996760104746e6cfcdb519d9d2cd27c738296525d5867ea695774e67",
                 "sha256:11b9c0ebce097180129e422379b824ae21c8f2a6596b159c7659e2e5a00e1aa0",
+                "sha256:15978a1fbd225583dd8cdaf37e67ccc278b5abecb4caf6b2d6b8e2b948e953f6",
                 "sha256:1fabed9ea2acc4efe4671b92c669a213db744d2af8a9fc5d69a8e9bc14b7a9db",
                 "sha256:2dac98e85565d5688e8ab7bdea5446674a83a3945a8f416ad0110018d1501b94",
                 "sha256:42ec1035841b389e8cc3692277a0bd81cdfe0b65d575a2c8862cec7a80e62e52",
+                "sha256:6422f2ff0919fd720195f64ffd8f924c1395d30f9a495f31e2392c2efafb5056",
                 "sha256:6a32f3a4cb2f6e1a0b15215f448e8ce2da192fd4ff35084d80d5e39da683e79b",
                 "sha256:7312e931b90fe14f925729cde58022f5d034241918a5c4f9797cac62f6b3a9dd",
                 "sha256:7d92a09b788cbb1aec325af5fcba9fed7203897bbd9269d5691bb1e3bce29550",
@@ -236,6 +472,58 @@
             "index": "pypi",
             "version": "==2.8.6"
         },
+        "pyasn1": {
+            "hashes": [
+                "sha256:014c0e9976956a08139dc0712ae195324a75e142284d5f87f1a87ee1b068a359",
+                "sha256:03840c999ba71680a131cfaee6fab142e1ed9bbd9c693e285cc6aca0d555e576",
+                "sha256:0458773cfe65b153891ac249bcf1b5f8f320b7c2ce462151f8fa74de8934becf",
+                "sha256:08c3c53b75eaa48d71cf8c710312316392ed40899cb34710d092e96745a358b7",
+                "sha256:39c7e2ec30515947ff4e87fb6f456dfc6e84857d34be479c9d4a4ba4bf46aa5d",
+                "sha256:5c9414dcfede6e441f7e8f81b43b34e834731003427e5b09e4e00e3172a10f00",
+                "sha256:6e7545f1a61025a4e58bb336952c5061697da694db1cae97b116e9c46abcf7c8",
+                "sha256:78fa6da68ed2727915c4767bb386ab32cdba863caa7dbe473eaae45f9959da86",
+                "sha256:7ab8a544af125fb704feadb008c99a88805126fb525280b2270bb25cc1d78a12",
+                "sha256:99fcc3c8d804d1bc6d9a099921e39d827026409a58f2a720dcdb89374ea0c776",
+                "sha256:aef77c9fb94a3ac588e87841208bdec464471d9871bd5050a287cc9a475cd0ba",
+                "sha256:e89bf84b5437b532b0803ba5c9a5e054d21fec423a89952a74f87fa2c9b7bce2",
+                "sha256:fec3e9d8e36808a28efb59b489e4528c10ad0f480e57dcc32b4de5c9d8c9fdf3"
+            ],
+            "version": "==0.4.8"
+        },
+        "pyasn1-modules": {
+            "hashes": [
+                "sha256:0845a5582f6a02bb3e1bde9ecfc4bfcae6ec3210dd270522fee602365430c3f8",
+                "sha256:0fe1b68d1e486a1ed5473f1302bd991c1611d319bba158e98b106ff86e1d7199",
+                "sha256:15b7c67fabc7fc240d87fb9aabf999cf82311a6d6fb2c70d00d3d0604878c811",
+                "sha256:426edb7a5e8879f1ec54a1864f16b882c2837bfd06eee62f2c982315ee2473ed",
+                "sha256:65cebbaffc913f4fe9e4808735c95ea22d7a7775646ab690518c056784bc21b4",
+                "sha256:905f84c712230b2c592c19470d3ca8d552de726050d1d1716282a1f6146be65e",
+                "sha256:a50b808ffeb97cb3601dd25981f6b016cbb3d31fbf57a8b8a87428e6158d0c74",
+                "sha256:a99324196732f53093a84c4369c996713eb8c89d360a496b599fb1a9c47fc3eb",
+                "sha256:b80486a6c77252ea3a3e9b1e360bc9cf28eaac41263d173c032581ad2f20fe45",
+                "sha256:c29a5e5cc7a3f05926aff34e097e84f8589cd790ce0ed41b67aed6857b26aafd",
+                "sha256:cbac4bc38d117f2a49aeedec4407d23e8866ea4ac27ff2cf7fb3e5b570df19e0",
+                "sha256:f39edd8c4ecaa4556e989147ebf219227e2cd2e8a43c7e7fcb1f1c18c5fd6a3d",
+                "sha256:fe0644d9ab041506b62782e92b06b8c68cca799e1a9636ec398675459e031405"
+            ],
+            "version": "==0.2.8"
+        },
+        "pycparser": {
+            "hashes": [
+                "sha256:2d475327684562c3a96cc71adf7dc8c4f0565175cf86b6d7a404ff4c771f15f0",
+                "sha256:7582ad22678f0fcd81102833f60ef8d0e57288b6b5fb00323d101be910e35705"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.20"
+        },
+        "pyhamcrest": {
+            "hashes": [
+                "sha256:412e00137858f04bde0729913874a48485665f2d36fe9ee449f26be864af9316",
+                "sha256:7ead136e03655af85069b6f47b23eb7c3e5c221aa9f022a4fbb499f5b7308f29"
+            ],
+            "markers": "python_version >= '3.5'",
+            "version": "==2.0.2"
+        },
         "pyocr": {
             "hashes": [
                 "sha256:fa15adc7e1cf0d345a2990495fe125a947c6e09a60ddba0256a1c14b2e603179"
@@ -243,6 +531,13 @@
             "index": "pypi",
             "version": "==0.7.2"
         },
+        "pyopenssl": {
+            "hashes": [
+                "sha256:621880965a720b8ece2f1b2f54ea2071966ab00e2970ad2ce11d596102063504",
+                "sha256:9a24494b2602aaf402be5c9e30a0b82d4a5c67528fe8fb475e3f3bc00dd69507"
+            ],
+            "version": "==19.1.0"
+        },
         "python-dateutil": {
             "hashes": [
                 "sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c",
@@ -276,10 +571,10 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:a494d53b6d39c3c6e44c3bec237336e14305e4f29bbf800b599253057fbb79ed",
-                "sha256:c35965d010ce31b23eeb663ed3cc8c906275d6be1a34393a1d73a41febf4a048"
+                "sha256:3e6b7dd2d1e0a59084bcee14a17af60c5c562cdc16d828e8eba2e683d3a7e268",
+                "sha256:5c55e189b682d420be27c6995ba6edce0c0a77dd67bfbe2ae6607134d5851ffd"
             ],
-            "version": "==2020.1"
+            "version": "==2020.4"
         },
         "regex": {
             "hashes": [
@@ -287,26 +582,42 @@
                 "sha256:06b52815d4ad38d6524666e0d50fe9173533c9cc145a5779b89733284e6f688f",
                 "sha256:11116d424734fe356d8777f89d625f0df783251ada95d6261b4c36ad27a394bb",
                 "sha256:119e0355dbdd4cf593b17f2fc5dbd4aec2b8899d0057e4957ba92f941f704bf5",
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                 "sha256:1ec66700a10e3c75f1f92cbde36cca0d3aaee4c73dfa26699495a3a30b09093c",
+                "sha256:227a8d2e5282c2b8346e7f68aa759e0331a0b4a890b55a5cfbb28bd0261b84c0",
+                "sha256:2564def9ce0710d510b1fc7e5178ce2d20f75571f788b5197b3c8134c366f50c",
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                 "sha256:3a5f08039eee9ea195a89e180c5762bfb55258bfb9abb61a20d3abee3b37fd12",
+                "sha256:3dfca201fa6b326239e1bccb00b915e058707028809b8ecc0cf6819ad233a740",
                 "sha256:49461446b783945597c4076aea3f49aee4b4ce922bd241e4fcf62a3e7c61794c",
                 "sha256:4afa350f162551cf402bfa3cd8302165c8e03e689c897d185f16a167328cc6dd",
                 "sha256:4b5a9bcb56cc146c3932c648603b24514447eafa6ce9295234767bf92f69b504",
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@@ -337,28 +648,41 @@
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             ],
             "markers": "python_version >= '3.6'",
-            "version": "==1.5.3"
+            "version": "==1.5.4"
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@@ -384,6 +708,46 @@
             "markers": "python_version >= '3.5'",
             "version": "==2.1.0"
         },
+        "twisted": {
+            "extras": [
+                "tls"
+            ],
+            "hashes": [
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@@ -414,6 +778,64 @@
             ],
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@@ -441,11 +863,11 @@
         },
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-            "version": "==20.2.0"
+            "version": "==20.3.0"
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         "babel": {
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@@ -556,11 +978,11 @@
         },
         "faker": {
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             ],
             "markers": "python_version >= '3.5'",
-            "version": "==4.14.0"
+            "version": "==4.14.2"
         },
         "filelock": {
             "hashes": [
@@ -751,10 +1173,10 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:a494d53b6d39c3c6e44c3bec237336e14305e4f29bbf800b599253057fbb79ed",
-                "sha256:c35965d010ce31b23eeb663ed3cc8c906275d6be1a34393a1d73a41febf4a048"
+                "sha256:3e6b7dd2d1e0a59084bcee14a17af60c5c562cdc16d828e8eba2e683d3a7e268",
+                "sha256:5c55e189b682d420be27c6995ba6edce0c0a77dd67bfbe2ae6607134d5851ffd"
             ],
-            "version": "==2020.1"
+            "version": "==2020.4"
         },
         "requests": {
             "hashes": [
@@ -781,11 +1203,11 @@
         },
         "sphinx": {
             "hashes": [
-                "sha256:321d6d9b16fa381a5306e5a0b76cd48ffbc588e6340059a729c6fdd66087e0e8",
-                "sha256:ce6fd7ff5b215af39e2fcd44d4a321f6694b4530b6f2b2109b64d120773faea0"
+                "sha256:1c21e7c5481a31b531e6cbf59c3292852ccde175b504b00ce2ff0b8f4adc3649",
+                "sha256:3abdb2c57a65afaaa4f8573cbabd5465078eb6fd282c1e4f87f006875a7ec0c7"
             ],
             "index": "pypi",
-            "version": "==3.2.1"
+            "version": "==3.3.0"
         },
         "sphinxcontrib-applehelp": {
             "hashes": [
diff --git a/src/documents/consumer.py b/src/documents/consumer.py
index f61d11136..3a73fc0cd 100755
--- a/src/documents/consumer.py
+++ b/src/documents/consumer.py
@@ -5,6 +5,8 @@ import os
 import re
 import uuid
 
+from asgiref.sync import async_to_sync
+from channels.layers import get_channel_layer
 from django.conf import settings
 from django.db import transaction
 from django.utils import timezone
@@ -33,6 +35,17 @@ class Consumer:
       5. Delete the document and image(s)
     """
 
+    def _send_progress(self, filename, current_progress, max_progress, status, message, document_id=None):
+        payload = {
+            'filename': os.path.basename(filename),
+            'current_progress': current_progress,
+            'max_progress': max_progress,
+            'status': status,
+            'message': message,
+            'document_id': document_id
+        }
+        async_to_sync(self.channel_layer.group_send)("status_updates", {'type': 'status_update', 'data': payload})
+
     def __init__(self, consume=settings.CONSUMPTION_DIR,
                  scratch=settings.SCRATCH_DIR):
 
@@ -44,6 +57,8 @@ class Consumer:
 
         self.classifier = DocumentClassifier()
 
+        self.channel_layer = get_channel_layer()
+
         os.makedirs(self.scratch, exist_ok=True)
 
         self.storage_type = Document.STORAGE_TYPE_UNENCRYPTED
@@ -60,7 +75,6 @@ class Consumer:
             raise ConsumerError(
                 "Consumption directory {} does not exist".format(self.consume))
 
-
     def log(self, level, message):
         getattr(self.logger, level)(message, extra={
             "group": self.logging_group
@@ -88,6 +102,7 @@ class Consumer:
 
         self.log("info", "Consuming {}".format(doc))
 
+
         parser_class = get_parser_class(doc)
         if not parser_class:
             self.log(
@@ -96,6 +111,7 @@ class Consumer:
         else:
             self.log("info", "Parser: {}".format(parser_class.__name__))
 
+        self._send_progress(file, 0, 100, 'WORKING', 'Consumption started')
 
         document_consumption_started.send(
             sender=self.__class__,
@@ -103,20 +119,37 @@ class Consumer:
             logging_group=self.logging_group
         )
 
-        document_parser = parser_class(doc, self.logging_group)
+        def progress_callback(current_progress, max_progress, message):
+            # recalculate progress to be within 20 and 80
+            p = int((current_progress / max_progress) * 60 + 20)
+            self._send_progress(file, p, 100, "WORKING", message)
+
+        document_parser = parser_class(doc, self.logging_group, progress_callback)
 
         try:
             self.log("info", "Generating thumbnail for {}...".format(doc))
+            self._send_progress(file, 10, 100, 'WORKING',
+                                'Generating thumbnail...')
             thumbnail = document_parser.get_optimised_thumbnail()
+            self._send_progress(file, 20, 100, 'WORKING',
+                                'Getting text from document...')
+            text = document_parser.get_text()
+            self._send_progress(file, 80, 100, 'WORKING',
+                                'Getting date from document...')
             date = document_parser.get_date()
+            self._send_progress(file, 85, 100, 'WORKING',
+                                'Storing the document...')
             document = self._store(
-                document_parser.get_text(),
+                text,
                 doc,
                 thumbnail,
                 date
             )
         except ParseError as e:
             self.log("fatal", "PARSE FAILURE for {}: {}".format(doc, e))
+            self._send_progress(file, 100, 100, 'FAILED',
+                                "Failed: {}".format(e))
+
             document_parser.cleanup()
             return False
         else:
@@ -136,12 +169,17 @@ class Consumer:
             except (FileNotFoundError, IncompatibleClassifierVersionError) as e:
                 logging.getLogger(__name__).warning("Cannot classify documents: {}.".format(e))
 
+            self._send_progress(file, 90, 100, 'WORKING',
+                                'Performing post-consumption tasks...')
+
             document_consumption_finished.send(
                 sender=self.__class__,
                 document=document,
                 logging_group=self.logging_group,
                 classifier=classifier
             )
+            self._send_progress(file, 100, 100, 'SUCCESS',
+                                'Finished.', document.id)
             return True
 
     def _store(self, text, doc, thumbnail, date):
diff --git a/src/documents/parsers.py b/src/documents/parsers.py
index 0cbd13987..7976f4739 100644
--- a/src/documents/parsers.py
+++ b/src/documents/parsers.py
@@ -106,11 +106,12 @@ class DocumentParser:
     `paperless_tesseract.parsers` for inspiration.
     """
 
-    def __init__(self, path, logging_group):
+    def __init__(self, path, logging_group, progress_callback):
         self.document_path = path
         self.tempdir = tempfile.mkdtemp(prefix="paperless-", dir=settings.SCRATCH_DIR)
         self.logger = logging.getLogger(__name__)
         self.logging_group = logging_group
+        self.progress_callback = progress_callback
 
     def get_thumbnail(self):
         """
diff --git a/src/paperless/asgi.py b/src/paperless/asgi.py
new file mode 100644
index 000000000..9c3d17b1b
--- /dev/null
+++ b/src/paperless/asgi.py
@@ -0,0 +1,37 @@
+import json
+import os
+
+from asgiref.sync import async_to_sync
+from channels.auth import AuthMiddlewareStack
+from channels.generic.websocket import WebsocketConsumer
+from channels.routing import ProtocolTypeRouter, URLRouter
+from django.core.asgi import get_asgi_application
+from django.urls import re_path
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'paperless.settings')
+
+
+class StatusConsumer(WebsocketConsumer):
+    def connect(self):
+        self.accept()
+        async_to_sync(self.channel_layer.group_add)('status_updates', self.channel_name)
+
+    def disconnect(self, close_code):
+        async_to_sync(self.channel_layer.group_discard)('status_updates', self.channel_name)
+
+    def status_update(self, event):
+        self.send(json.dumps(event['data']))
+
+
+websocket_urlpatterns = [
+    re_path(r'ws/status/$', StatusConsumer.as_asgi()),
+]
+
+application = ProtocolTypeRouter({
+    "http": get_asgi_application(),
+    "websocket": AuthMiddlewareStack(
+        URLRouter(
+            websocket_urlpatterns
+        )
+    ),
+})
diff --git a/src/paperless/settings.py b/src/paperless/settings.py
index bb71e4764..c9db3e4b1 100644
--- a/src/paperless/settings.py
+++ b/src/paperless/settings.py
@@ -69,6 +69,8 @@ INSTALLED_APPS = [
     "rest_framework.authtoken",
     "django_filters",
 
+    "channels",
+
 ]
 
 REST_FRAMEWORK = {
@@ -98,6 +100,7 @@ LOGIN_URL = "admin:login"
 FORCE_SCRIPT_NAME = os.getenv("PAPERLESS_FORCE_SCRIPT_NAME")
 
 WSGI_APPLICATION = 'paperless.wsgi.application'
+ASGI_APPLICATION = "paperless.asgi.application"
 
 STATIC_URL = os.getenv("PAPERLESS_STATIC_URL", "/static/")
 
@@ -299,3 +302,12 @@ FILENAME_DATE_ORDER = os.getenv("PAPERLESS_FILENAME_DATE_ORDER")
 FILENAME_PARSE_TRANSFORMS = []
 for t in json.loads(os.getenv("PAPERLESS_FILENAME_PARSE_TRANSFORMS", "[]")):
     FILENAME_PARSE_TRANSFORMS.append((re.compile(t["pattern"]), t["repl"]))
+
+CHANNEL_LAYERS = {
+    "default": {
+        "BACKEND": "channels_redis.core.RedisChannelLayer",
+        "CONFIG": {
+            "hosts": [("127.0.0.1", 6379)],
+        },
+    },
+}
diff --git a/src/paperless_tesseract/parsers.py b/src/paperless_tesseract/parsers.py
index befc9bcd7..535ee501c 100644
--- a/src/paperless_tesseract/parsers.py
+++ b/src/paperless_tesseract/parsers.py
@@ -27,8 +27,8 @@ class RasterisedDocumentParser(DocumentParser):
     image, whether it's a PDF, or other graphical format (JPEG, TIFF, etc.)
     """
 
-    def __init__(self, path, logging_group):
-        super().__init__(path, logging_group)
+    def __init__(self, path, logging_group, progress_callback):
+        super().__init__(path, logging_group, progress_callback)
         self._text = None
 
     def get_thumbnail(self):
@@ -91,6 +91,7 @@ class RasterisedDocumentParser(DocumentParser):
             self._text = get_text_from_pdf(self.document_path)
             return self._text
 
+        self.progress_callback(0,1,"Making greyscale images.")
         images = self._get_greyscale()
 
         if not images:
@@ -100,8 +101,10 @@ class RasterisedDocumentParser(DocumentParser):
 
             sample_page_index = int(len(images) / 2)
             self.log("info", "Attempting language detection on page {} of {}...".format(sample_page_index+1, len(images)))
+            self.progress_callback(0.4, 1, "Language Detection.")
             sample_page_text = self._ocr([images[sample_page_index]], settings.OCR_LANGUAGE)[0]
             guessed_language = self._guess_language(sample_page_text)
+            self.progress_callback(0.6, 1, "OCR all the pages.")
 
             if not guessed_language or guessed_language not in ISO639:
                 self.log("warning", "Language detection failed.")
@@ -117,7 +120,7 @@ class RasterisedDocumentParser(DocumentParser):
 
             else:
                 self.log("info", "Detected language: {}".format(guessed_language))
-                ocr_pages = self._ocr(images, ISO639[guessed_language])
+                ocr_pages = self._ocr(images, ISO639[guessed_language], report_progress=True)
 
             self.log("info", "OCR completed.")
             self._text = strip_excess_whitespace(" ".join(ocr_pages))
@@ -151,6 +154,8 @@ class RasterisedDocumentParser(DocumentParser):
 
         self.log("info", "Running unpaper on {} pages...".format(len(pnms)))
 
+        self.progress_callback(0.2,1, "Running unpaper on {} pages...".format(len(pnms)))
+
         # Run unpaper in parallel on converted images
         with Pool(processes=settings.OCR_THREADS) as pool:
             pnms = pool.map(run_unpaper, pnms)
@@ -165,11 +170,16 @@ class RasterisedDocumentParser(DocumentParser):
             self.log('debug', "Language detection failed with: {}".format(e))
             return None
 
-    def _ocr(self, imgs, lang):
+    def _ocr(self, imgs, lang, report_progress=False):
         self.log("info", "Performing OCR on {} page(s) with language {}".format(len(imgs), lang))
+        r = []
         with Pool(processes=settings.OCR_THREADS) as pool:
-            r = pool.map(image_to_string, itertools.product(imgs, [lang]))
-            return r
+            # r = pool.map(image_to_string, itertools.product(imgs, [lang]))
+            for i, page in enumerate(pool.imap(image_to_string, itertools.product(imgs, [lang]))):
+                if report_progress:
+                    self.progress_callback(0.6 + (i / len(imgs)) * 0.4, 1, "OCR'ed {} pages".format(i+1))
+                r += [page]
+        return r
 
     def _complete_ocr_default_language(self, images, sample_page_index, sample_page):
         """
@@ -182,14 +192,13 @@ class RasterisedDocumentParser(DocumentParser):
         del images_copy[sample_page_index]
         if images_copy:
             self.log('info', 'Continuing ocr with default language.')
-            ocr_pages = self._ocr(images_copy, settings.OCR_LANGUAGE)
+            ocr_pages = self._ocr(images_copy, settings.OCR_LANGUAGE, report_progress=True)
             ocr_pages.insert(sample_page_index, sample_page)
             return ocr_pages
         else:
             return [sample_page]
 
 
-
 def strip_excess_whitespace(text):
     collapsed_spaces = re.sub(r"([^\S\r\n]+)", " ", text)
     no_leading_whitespace = re.sub(