Improved dependency check for executables

cps/about.py

@@ -25,47 +25,15 @@ import platform
 import sqlite3
 from collections import OrderedDict
 
-import babel
-import pytz
-import requests
-import sqlalchemy
 import werkzeug
 import flask
 import flask_login
-import flask_principal
 import jinja2
 from flask_babel import gettext as _
-try:
-    from flask_wtf import __version__ as flaskwtf_version
-except ImportError:
-    flaskwtf_version = _(u'not installed')
 
-from . import db, calibre_db, converter, uploader, server, isoLanguages, constants, gdriveutils, dep_check
+from . import db, calibre_db, converter, uploader, constants, dep_check
 from .render_template import render_title_template
 
-try:
-    from flask_login import __version__ as flask_loginVersion
-except ImportError:
-    from flask_login.__about__ import __version__ as flask_loginVersion
-try:
-    # pylint: disable=unused-import
-    import unidecode
-    # _() necessary to make babel aware of string for translation
-    unidecode_version = _(u'installed')
-except ImportError:
-    unidecode_version = _(u'not installed')
-
-try:
-    from flask_dance import __version__ as flask_danceVersion
-except ImportError:
-    flask_danceVersion = None
-
-try:
-    from greenlet import __version__ as greenlet_Version
-except ImportError:
-    greenlet_Version = None
-
-from . import services
 
 about = flask.Blueprint('about', __name__)
 
@@ -81,41 +49,12 @@ else:
     calibre_web_version = (constants.STABLE_VERSION['version'] + ' - '
                            + constants.NIGHTLY_VERSION[0].replace('%', '%%') + ' - '
                            + constants.NIGHTLY_VERSION[1].replace('%', '%%'))
+
 if getattr(sys, 'frozen', False):
     calibre_web_version += " - Exe-Version"
 elif constants.HOME_CONFIG:
     calibre_web_version += " - pyPi"
 
-if not ret:
-    _VERSIONS = OrderedDict(
-        Platform='{0[0]} {0[2]} {0[3]} {0[4]} {0[5]}'.format(platform.uname()),
-        Python=sys.version,
-        Calibre_Web=calibre_web_version,
-        WebServer=server.VERSION,
-        Flask=flask.__version__,
-        Flask_Login=flask_loginVersion,
-        Flask_Principal=flask_principal.__version__,
-        Flask_WTF=flaskwtf_version,
-        Werkzeug=werkzeug.__version__,
-        Babel=babel.__version__,
-        Jinja2=jinja2.__version__,
-        Requests=requests.__version__,
-        SqlAlchemy=sqlalchemy.__version__,
-        pySqlite=sqlite3.version,
-        SQLite=sqlite3.sqlite_version,
-        iso639=isoLanguages.__version__,
-        pytz=pytz.__version__,
-        Unidecode=unidecode_version,
-        Flask_SimpleLDAP=u'installed' if bool(services.ldap) else None,
-        python_LDAP=services.ldapVersion if bool(services.ldapVersion) else None,
-        Goodreads=u'installed' if bool(services.goodreads_support) else None,
-        jsonschema=services.SyncToken.__version__ if bool(services.SyncToken) else None,
-        flask_dance=flask_danceVersion,
-        greenlet=greenlet_Version
-    )
-    _VERSIONS.update(gdriveutils.get_versions())
-    _VERSIONS.update(uploader.get_versions(True))
-else:
 _VERSIONS = OrderedDict(
     Platform='{0[0]} {0[2]} {0[3]} {0[4]} {0[5]}'.format(platform.uname()),
     Python=sys.version,

cps/dep_check.py

@@ -1,5 +1,7 @@
 import os
 import re
+import sys
+import json
 
 from .constants import BASE_DIR
 try:
@@ -8,7 +10,7 @@ try:
     ImportNotFound = BaseException
 except ImportError:
     importlib = False
-
+    version = None
 
 if not importlib:
     try:
@@ -20,6 +22,13 @@ if not importlib:
 
 def load_dependencys(optional=False):
     deps = list()
+    if getattr(sys, 'frozen', False):
+        pip_installed = os.path.join(BASE_DIR, ".pip_installed")
+        if os.path.exists(pip_installed):
+            with open(pip_installed) as f:
+                exe_deps = json.loads("".join(f.readlines()))
+        else:
+            return deps
     if importlib or pkgresources:
         if optional:
             req_path = os.path.join(BASE_DIR, "optional-requirements.txt")
@@ -31,11 +40,14 @@ def load_dependencys(optional=False):
                     if not line.startswith('#') and not line == '\n' and not line.startswith('git'):
                         res = re.match(r'(.*?)([<=>\s]+)([\d\.]+),?\s?([<=>\s]+)?([\d\.]+)?', line.strip())
                         try:
+                            if getattr(sys, 'frozen', False):
+                                dep_version = exe_deps[res.group(1).lower().replace('_','-')]
+                            else:
                                 if importlib:
                                     dep_version = version(res.group(1))
                                 else:
                                     dep_version = pkg_resources.get_distribution(res.group(1)).version
-                        except ImportNotFound:
+                        except (ImportNotFound, KeyError):
                             if optional:
                                 continue
                             dep_version = "not installed"

requirements.txt

@@ -6,7 +6,7 @@ Flask-Principal>=0.3.2,<0.5.1
 backports_abc>=0.4
 Flask>=1.0.2,<2.1.0
 iso-639>=0.4.5,<0.5.0
-PyPDF3>=1.0.0,<1.0.6
+PyPDF3>=1.0.0,<1.0.7
 pytz>=2016.10
 requests>=2.11.1,<2.28.0
 SQLAlchemy>=1.3.0,<1.5.0

setup.cfg

@@ -46,7 +46,7 @@ install_requires =
 	backports_abc>=0.4
 	Flask>=1.0.2,<2.1.0
 	iso-639>=0.4.5,<0.5.0
-	PyPDF3>=1.0.0,<1.0.6
+	PyPDF3>=1.0.0,<1.0.7
 	pytz>=2016.10
 	requests>=2.11.1,<2.28.0
 	SQLAlchemy>=1.3.0,<1.5.0