install flanker, upgrade email_validator

app/email_utils.py

@@ -651,7 +651,7 @@ def get_spam_from_header(spam_status_header, max_score=None) -> (bool, str):
     return spamassassin_answer.lower() == "yes", spam_status_header
 
 
-def get_header_unicode(header: str) -> str:
+def get_header_unicode(header: Union[str, Header]) -> str:
     """
     Convert a header to unicode
     Should be used to handle headers like From:, To:, CC:, Subject:

poetry.lock

@@ -398,11 +398,11 @@ trio = ["trio (>=0.14.0)", "sniffio (>=1.1)"]
 
 [[package]]
 name = "email-validator"
-version = "1.1.1"
+version = "1.1.3"
 description = "A robust email syntax and deliverability validation library for Python 2.x/3.x."
 category = "main"
 optional = false
-python-versions = "*"
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
 
 [package.dependencies]
 dnspython = ">=1.15.0"
@@ -441,6 +441,30 @@ mccabe = ">=0.6.0,<0.7.0"
 pycodestyle = ">=2.6.0a1,<2.7.0"
 pyflakes = ">=2.2.0,<2.3.0"
 
+[[package]]
+name = "flanker"
+version = "0.9.11"
+description = "Mailgun Parsing Tools"
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+attrs = "*"
+chardet = ">=1.0.1"
+cryptography = ">=0.5"
+idna = ">=2.5"
+ply = ">=3.10"
+regex = ">=0.1.20110315"
+six = "*"
+tld = "*"
+WebOb = ">=0.9.8"
+
+[package.extras]
+cchardet = ["cchardet (>=0.3.5)"]
+tests = ["coverage", "coveralls", "mock", "nose"]
+validator = ["dnsq (>=1.1.6)", "redis (>=2.7.1)"]
+
 [[package]]
 name = "flask"
 version = "1.1.2"
@@ -1060,6 +1084,14 @@ importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 [package.extras]
 dev = ["pre-commit", "tox"]
 
+[[package]]
+name = "ply"
+version = "3.11"
+description = "Python Lex & Yacc"
+category = "main"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "pre-commit"
 version = "2.7.1"
@@ -1350,7 +1382,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 name = "regex"
 version = "2020.9.27"
 description = "Alternative regular expression module, to replace re."
-category = "dev"
+category = "main"
 optional = false
 python-versions = "*"
 
@@ -1535,6 +1567,14 @@ python-versions = "*"
 python-dateutil = ">=2.6.0"
 "ruamel.yaml" = ">=0.14.2"
 
+[[package]]
+name = "tld"
+version = "0.12.6"
+description = "Extract the top-level domain (TLD) from the URL given."
+category = "main"
+optional = false
+python-versions = ">=2.7, <4"
+
 [[package]]
 name = "toml"
 version = "0.10.1"
@@ -1655,6 +1695,18 @@ future = ">=0.17.1"
 pyOpenSSL = ">=16.0.0"
 six = ">=1.11.0"
 
+[[package]]
+name = "webob"
+version = "1.8.7"
+description = "WSGI request and response object"
+category = "main"
+optional = false
+python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*"
+
+[package.extras]
+docs = ["Sphinx (>=1.7.5)", "pylons-sphinx-themes"]
+testing = ["pytest (>=3.1.0)", "coverage", "pytest-cov", "pytest-xdist"]
+
 [[package]]
 name = "werkzeug"
 version = "1.0.1"
@@ -1753,7 +1805,7 @@ testing = ["coverage (>=5.0.3)", "zope.event", "zope.testing"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "6a909880eb2c4afcd161158bd606edde3839aedbfca57a751c6b0c6e5306d9dc"
+content-hash = "a80a9f350a39e926d74ea73a7b9d5b04ec8b515bcc2e9bc31bd2537989763aa5"
 
 [metadata.files]
 aiohttp = [
@@ -1992,8 +2044,8 @@ dnspython = [
     {file = "dnspython-2.0.0.zip", hash = "sha256:044af09374469c3a39eeea1a146e8cac27daec951f1f1f157b1962fc7cb9d1b7"},
 ]
 email-validator = [
-    {file = "email_validator-1.1.1-py2.py3-none-any.whl", hash = "sha256:5f246ae8d81ce3000eade06595b7bb55a4cf350d559e890182a1466a21f25067"},
-    {file = "email_validator-1.1.1.tar.gz", hash = "sha256:63094045c3e802c3d3d575b18b004a531c36243ca8d1cec785ff6bfcb04185bb"},
+    {file = "email_validator-1.1.3-py2.py3-none-any.whl", hash = "sha256:5675c8ceb7106a37e40e2698a57c056756bf3f272cfa8682a4f87ebd95d8440b"},
+    {file = "email_validator-1.1.3.tar.gz", hash = "sha256:aa237a65f6f4da067119b7df3f13e89c25c051327b2b5b66dc075f33d62480d7"},
 ]
 facebook-sdk = [
     {file = "facebook-sdk-3.1.0.tar.gz", hash = "sha256:cabcd2e69ea3d9f042919c99b353df7aa1e2be86d040121f6e9f5e63c1cf0f8d"},
@@ -2007,6 +2059,9 @@ flake8 = [
     {file = "flake8-3.8.4-py2.py3-none-any.whl", hash = "sha256:749dbbd6bfd0cf1318af27bf97a14e28e5ff548ef8e5b1566ccfb25a11e7c839"},
     {file = "flake8-3.8.4.tar.gz", hash = "sha256:aadae8761ec651813c24be05c6f7b4680857ef6afaae4651a4eccaef97ce6c3b"},
 ]
+flanker = [
+    {file = "flanker-0.9.11.tar.gz", hash = "sha256:974418e5b498fd3bcb3859c22e22d26495257f9cf98b744c17f2335aca86e001"},
+]
 flask = [
     {file = "Flask-1.1.2-py2.py3-none-any.whl", hash = "sha256:8a4fdd8936eba2512e9c85df320a37e694c93945b33ef33c89946a340a238557"},
     {file = "Flask-1.1.2.tar.gz", hash = "sha256:4efa1ae2d7c9865af48986de8aeb8504bf32c7f3d6fdc9353d34b21f4b127060"},
@@ -2298,6 +2353,10 @@ pluggy = [
     {file = "pluggy-0.13.1-py2.py3-none-any.whl", hash = "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"},
     {file = "pluggy-0.13.1.tar.gz", hash = "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0"},
 ]
+ply = [
+    {file = "ply-3.11-py2.py3-none-any.whl", hash = "sha256:096f9b8350b65ebd2fd1346b12452efe5b9607f7482813ffca50c22722a807ce"},
+    {file = "ply-3.11.tar.gz", hash = "sha256:00c7c1aaa88358b9c765b6d3000c6eec0ba42abca5351b095321aef446081da3"},
+]
 pre-commit = [
     {file = "pre_commit-2.7.1-py2.py3-none-any.whl", hash = "sha256:810aef2a2ba4f31eed1941fc270e72696a1ad5590b9751839c90807d0fff6b9a"},
     {file = "pre_commit-2.7.1.tar.gz", hash = "sha256:c54fd3e574565fe128ecc5e7d2f91279772ddb03f8729645fa812fe809084a70"},
@@ -2694,6 +2753,15 @@ sqlalchemy-utils = [
 strictyaml = [
     {file = "strictyaml-1.1.0.tar.gz", hash = "sha256:6b07dbd4f77ab023ed4167c43ffc1b9f9354fb6075cc6ff3b91fefcbb80342ca"},
 ]
+tld = [
+    {file = "tld-0.12.6-py27-none-any.whl", hash = "sha256:ef5b162d6fa295822dacd4fe4df1b62d8df2550795a97399a8905821b58d3702"},
+    {file = "tld-0.12.6-py35-none-any.whl", hash = "sha256:826bbe61dccc8d63144b51caef83e1373fbaac6f9ada46fca7846021f5d36fef"},
+    {file = "tld-0.12.6-py36-none-any.whl", hash = "sha256:843844e4256c943983d86366b5af3ac9cd1c9a0b6465f04d9f70e3b4c1a7989f"},
+    {file = "tld-0.12.6-py37-none-any.whl", hash = "sha256:a92ac6b84917e7d9e934434b8d37e9be534598f138fbb86b3c0d5426f2621890"},
+    {file = "tld-0.12.6-py38-none-any.whl", hash = "sha256:266106ad9035f54cd5cce5f823911a51f697e7c58cb45bfbd6c53b4c2976ece2"},
+    {file = "tld-0.12.6-py39-none-any.whl", hash = "sha256:b6650f2d5392a49760064bc55d73ce3397a378ef24ded96efb516c6b8ec68c26"},
+    {file = "tld-0.12.6.tar.gz", hash = "sha256:69fed19d26bb3f715366fb4af66fdeace896c55c052b00e8aaba3a7b63f3e7f0"},
+]
 toml = [
     {file = "toml-0.10.1-py2.py3-none-any.whl", hash = "sha256:bda89d5935c2eac546d648028b9901107a595863cb36bae0c73ac804a9b4ce88"},
     {file = "toml-0.10.1.tar.gz", hash = "sha256:926b612be1e5ce0634a2ca03470f95169cf16f939018233a670519cb4ac58b0f"},
@@ -2758,6 +2826,10 @@ webauthn = [
     {file = "webauthn-0.4.7-py2.py3-none-any.whl", hash = "sha256:238391b2e2cc60fb51a2cd2d2d6be149920b9af6184651353d9f95856617a9e7"},
     {file = "webauthn-0.4.7.tar.gz", hash = "sha256:8ad9072ff1d6169f3be30d4dc8733ea563dd266962397bc58b40f674a6af74ac"},
 ]
+webob = [
+    {file = "WebOb-1.8.7-py2.py3-none-any.whl", hash = "sha256:73aae30359291c14fa3b956f8b5ca31960e420c28c1bec002547fb04928cf89b"},
+    {file = "WebOb-1.8.7.tar.gz", hash = "sha256:b64ef5141be559cfade448f044fa45c2260351edcb6a8ef6b7e00c7dcef0c323"},
+]
 werkzeug = [
     {file = "Werkzeug-1.0.1-py2.py3-none-any.whl", hash = "sha256:2de2a5db0baeae7b2d2664949077c2ac63fbd16d98da0ff71837f7d1dea3fd43"},
     {file = "Werkzeug-1.0.1.tar.gz", hash = "sha256:6c80b1e5ad3665290ea39320b91e1be1e0d5f60652b964a3070216de83d2e47c"},

pyproject.toml

@@ -78,6 +78,7 @@ py3-validate-email = "^0.2.10"
 coinbase-commerce = "^1.0.1"
 requests = "^2.25.1"
 newrelic = "^6.4.4"
+flanker = "^0.9.11"
 
 [tool.poetry.dev-dependencies]
 pytest = "^6.1.0"