From f6f51d35a54a35c1ce046c77d3b7b635b1028584 Mon Sep 17 00:00:00 2001 From: Taka Date: Sat, 30 Jun 2018 04:31:07 +0000 Subject: [PATCH] Added basic infrastructure. --- .gitignore | 9 + .pylintrc | 549 ++++++++++++++++++ MANIFEST.in | 3 + pytest.ini | 2 + setup.py | 33 ++ vasl_templates/__init__.py | 0 vasl_templates/main.py | 87 +++ vasl_templates/main_window.py | 38 ++ vasl_templates/webapp/__init__.py | 46 ++ vasl_templates/webapp/config/.gitignore | 2 + vasl_templates/webapp/config/__init__.py | 0 vasl_templates/webapp/config/app.cfg | 3 + vasl_templates/webapp/config/constants.py | 8 + vasl_templates/webapp/generate.py | 15 + vasl_templates/webapp/main.py | 20 + vasl_templates/webapp/run_server.py | 27 + vasl_templates/webapp/static/css/main.css | 1 + .../webapp/static/jquery/jquery-3.3.1.min.js | 2 + vasl_templates/webapp/static/main.js | 19 + vasl_templates/webapp/templates/main.html | 29 + vasl_templates/webapp/tests/__init__.py | 0 vasl_templates/webapp/tests/conftest.py | 74 +++ vasl_templates/webapp/tests/test_generate.py | 37 ++ vasl_templates/webapp/tests/utils.py | 19 + 24 files changed, 1023 insertions(+) create mode 100644 .gitignore create mode 100644 .pylintrc create mode 100644 MANIFEST.in create mode 100644 pytest.ini create mode 100644 setup.py create mode 100644 vasl_templates/__init__.py create mode 100755 vasl_templates/main.py create mode 100644 vasl_templates/main_window.py create mode 100644 vasl_templates/webapp/__init__.py create mode 100644 vasl_templates/webapp/config/.gitignore create mode 100644 vasl_templates/webapp/config/__init__.py create mode 100644 vasl_templates/webapp/config/app.cfg create mode 100644 vasl_templates/webapp/config/constants.py create mode 100644 vasl_templates/webapp/generate.py create mode 100644 vasl_templates/webapp/main.py create mode 100755 vasl_templates/webapp/run_server.py create mode 100644 vasl_templates/webapp/static/css/main.css create mode 100644 vasl_templates/webapp/static/jquery/jquery-3.3.1.min.js create mode 100644 vasl_templates/webapp/static/main.js create mode 100644 vasl_templates/webapp/templates/main.html create mode 100644 vasl_templates/webapp/tests/__init__.py create mode 100644 vasl_templates/webapp/tests/conftest.py create mode 100644 vasl_templates/webapp/tests/test_generate.py create mode 100644 vasl_templates/webapp/tests/utils.py diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..455cc79 --- /dev/null +++ b/.gitignore @@ -0,0 +1,9 @@ +_work_/ + +.venv* +*.pyc +.pytest_cache/ +*.egg-info/ + +*.swp +*.swo diff --git a/.pylintrc b/.pylintrc new file mode 100644 index 0000000..fa3b444 --- /dev/null +++ b/.pylintrc @@ -0,0 +1,549 @@ +[MASTER] + +# A comma-separated list of package or module names from where C extensions may +# be loaded. Extensions are loading into the active Python interpreter and may +# run arbitrary code +extension-pkg-whitelist=PyQt5 + +# Add files or directories to the blacklist. They should be base names, not +# paths. +ignore=CVS + +# Add files or directories matching the regex patterns to the blacklist. The +# regex matches against base names, not paths. +ignore-patterns= + +# Python code to execute, usually for sys.path manipulation such as +# pygtk.require(). +#init-hook= + +# Use multiple processes to speed up Pylint. +jobs=1 + +# List of plugins (as comma separated values of python modules names) to load, +# usually to register additional checkers. +load-plugins= + +# Pickle collected data for later comparisons. +persistent=yes + +# Specify a configuration file. +#rcfile= + +# When enabled, pylint would attempt to guess common misconfiguration and emit +# user-friendly hints instead of false-positive error messages +suggestion-mode=yes + +# Allow loading of arbitrary C extensions. Extensions are imported into the +# active Python interpreter and may run arbitrary code. +unsafe-load-any-extension=no + + +[MESSAGES CONTROL] + +# Only show warnings with the listed confidence levels. Leave empty to show +# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED +confidence= + +# Disable the message, report, category or checker with the given id(s). You +# can either give multiple identifiers separated by comma (,) or put this +# option multiple times (only on the command line, not in the configuration +# file where it should appear only once).You can also use "--disable=all" to +# disable everything first and then reenable specific checks. For example, if +# you want to run only the similarities checker, you can use "--disable=all +# --enable=similarities". If you want to run only the classes checker, but have +# no Warning level messages displayed, use"--disable=all --enable=classes +# --disable=W" +disable=print-statement, + parameter-unpacking, + unpacking-in-except, + old-raise-syntax, + backtick, + long-suffix, + old-ne-operator, + old-octal-literal, + import-star-module-level, + non-ascii-bytes-literal, + invalid-unicode-literal, + raw-checker-failed, + bad-inline-option, + locally-disabled, + locally-enabled, + file-ignored, + suppressed-message, + useless-suppression, + deprecated-pragma, + apply-builtin, + basestring-builtin, + buffer-builtin, + cmp-builtin, + coerce-builtin, + execfile-builtin, + file-builtin, + long-builtin, + raw_input-builtin, + reduce-builtin, + standarderror-builtin, + unicode-builtin, + xrange-builtin, + coerce-method, + delslice-method, + getslice-method, + setslice-method, + no-absolute-import, + old-division, + dict-iter-method, + dict-view-method, + next-method-called, + metaclass-assignment, + indexing-exception, + raising-string, + reload-builtin, + oct-method, + hex-method, + nonzero-method, + cmp-method, + input-builtin, + round-builtin, + intern-builtin, + unichr-builtin, + map-builtin-not-iterating, + zip-builtin-not-iterating, + range-builtin-not-iterating, + filter-builtin-not-iterating, + using-cmp-argument, + eq-without-hash, + div-method, + idiv-method, + rdiv-method, + exception-message-attribute, + invalid-str-codec, + sys-max-int, + bad-python3-import, + deprecated-string-function, + deprecated-str-translate-call, + deprecated-itertools-function, + deprecated-types-field, + next-method-defined, + dict-items-not-iterating, + dict-keys-not-iterating, + dict-values-not-iterating, + deprecated-operator-function, + deprecated-urllib-function, + xreadlines-attribute, + deprecated-sys-function, + exception-escape, + comprehension-escape, + bad-whitespace, + invalid-name, + wrong-import-position + +# Enable the message, report, category or checker with the given id(s). You can +# either give multiple identifier separated by comma (,) or put this option +# multiple time (only on the command line, not in the configuration file where +# it should appear only once). See also the "--disable" option for examples. +enable=c-extension-no-member + + +[REPORTS] + +# Python expression which should return a note less than 10 (10 is the highest +# note). You have access to the variables errors warning, statement which +# respectively contain the number of errors / warnings messages and the total +# number of statements analyzed. This is used by the global evaluation report +# (RP0004). +evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10) + +# Template used to display messages. This is a python new-style format string +# used to format the message information. See doc for all details +#msg-template= + +# Set the output format. Available formats are text, parseable, colorized, json +# and msvs (visual studio).You can also give a reporter class, eg +# mypackage.mymodule.MyReporterClass. +output-format=colorized + +# Tells whether to display a full report or only the messages +reports=no + +# Activate the evaluation score. +score=yes + + +[REFACTORING] + +# Maximum number of nested blocks for function / method body +max-nested-blocks=5 + +# Complete name of functions that never returns. When checking for +# inconsistent-return-statements if a never returning function is called then +# it will be considered as an explicit return statement and no message will be +# printed. +never-returning-functions=optparse.Values,sys.exit + + +[VARIABLES] + +# List of additional names supposed to be defined in builtins. Remember that +# you should avoid to define new builtins when possible. +additional-builtins= + +# Tells whether unused global variables should be treated as a violation. +allow-global-unused-variables=yes + +# List of strings which can identify a callback function by name. A callback +# name must start or end with one of those strings. +callbacks=cb_, + _cb + +# A regular expression matching the name of dummy variables (i.e. expectedly +# not used). +dummy-variables-rgx=_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_ + +# Argument names that match this expression will be ignored. Default to name +# with leading underscore +ignored-argument-names=_.*|^ignored_|^unused_ + +# Tells whether we should check for unused import in __init__ files. +init-import=no + +# List of qualified module names which can have objects that can redefine +# builtins. +redefining-builtins-modules=six.moves,past.builtins,future.builtins,io,builtins + + +[TYPECHECK] + +# List of decorators that produce context managers, such as +# contextlib.contextmanager. Add to this list to register other decorators that +# produce valid context managers. +contextmanager-decorators=contextlib.contextmanager + +# List of members which are set dynamically and missed by pylint inference +# system, and so shouldn't trigger E1101 when accessed. Python regular +# expressions are accepted. +generated-members= + +# Tells whether missing members accessed in mixin class should be ignored. A +# mixin class is detected if its name ends with "mixin" (case insensitive). +ignore-mixin-members=yes + +# This flag controls whether pylint should warn about no-member and similar +# checks whenever an opaque object is returned when inferring. The inference +# can return multiple potential results while evaluating a Python object, but +# some branches might not be evaluated, which results in partial inference. In +# that case, it might be useful to still emit no-member and other checks for +# the rest of the inferred objects. +ignore-on-opaque-inference=yes + +# List of class names for which member attributes should not be checked (useful +# for classes with dynamically set attributes). This supports the use of +# qualified names. +ignored-classes=optparse.Values,thread._local,_thread._local + +# List of module names for which member attributes should not be checked +# (useful for modules/projects where namespaces are manipulated during runtime +# and thus existing member attributes cannot be deduced by static analysis. It +# supports qualified module names, as well as Unix pattern matching. +ignored-modules= + +# Show a hint with possible names when a member name was not found. The aspect +# of finding the hint is based on edit distance. +missing-member-hint=yes + +# The minimum edit distance a name should have in order to be considered a +# similar match for a missing member name. +missing-member-hint-distance=1 + +# The total number of similar names that should be taken in consideration when +# showing a hint for a missing member. +missing-member-max-choices=1 + + +[FORMAT] + +# Expected format of line ending, e.g. empty (any line ending), LF or CRLF. +expected-line-ending-format= + +# Regexp for a line that is allowed to be longer than the limit. +ignore-long-lines=^\s*(# )??$ + +# Number of spaces of indent required inside a hanging or continued line. +indent-after-paren=4 + +# String used as indentation unit. This is usually " " (4 spaces) or "\t" (1 +# tab). +indent-string=' ' + +# Maximum number of characters on a single line. +max-line-length=120 + +# Maximum number of lines in a module +max-module-lines=1000 + +# List of optional constructs for which whitespace checking is disabled. `dict- +# separator` is used to allow tabulation in dicts, etc.: {1 : 1,\n222: 2}. +# `trailing-comma` allows a space between comma and closing bracket: (a, ). +# `empty-line` allows space-only lines. +no-space-check=trailing-comma, + dict-separator + +# Allow the body of a class to be on the same line as the declaration if body +# contains single statement. +single-line-class-stmt=no + +# Allow the body of an if to be on the same line as the test if there is no +# else. +single-line-if-stmt=no + + +[LOGGING] + +# Logging modules to check that the string format arguments are in logging +# function parameter format +logging-modules=logging + + +[BASIC] + +# Naming style matching correct argument names +argument-naming-style=snake_case + +# Regular expression matching correct argument names. Overrides argument- +# naming-style +#argument-rgx= + +# Naming style matching correct attribute names +attr-naming-style=snake_case + +# Regular expression matching correct attribute names. Overrides attr-naming- +# style +#attr-rgx= + +# Bad variable names which should always be refused, separated by a comma +bad-names=foo, + bar, + baz, + toto, + tutu, + tata + +# Naming style matching correct class attribute names +class-attribute-naming-style=any + +# Regular expression matching correct class attribute names. Overrides class- +# attribute-naming-style +#class-attribute-rgx= + +# Naming style matching correct class names +class-naming-style=PascalCase + +# Regular expression matching correct class names. Overrides class-naming-style +#class-rgx= + +# Naming style matching correct constant names +const-naming-style=UPPER_CASE + +# Regular expression matching correct constant names. Overrides const-naming- +# style +#const-rgx= + +# Minimum line length for functions/classes that require docstrings, shorter +# ones are exempt. +docstring-min-length=-1 + +# Naming style matching correct function names +function-naming-style=snake_case + +# Regular expression matching correct function names. Overrides function- +# naming-style +#function-rgx= + +# Good variable names which should always be accepted, separated by a comma +good-names=i, + j, + k, + ex, + Run, + _ + +# Include a hint for the correct naming format with invalid-name +include-naming-hint=no + +# Naming style matching correct inline iteration names +inlinevar-naming-style=any + +# Regular expression matching correct inline iteration names. Overrides +# inlinevar-naming-style +#inlinevar-rgx= + +# Naming style matching correct method names +method-naming-style=snake_case + +# Regular expression matching correct method names. Overrides method-naming- +# style +#method-rgx= + +# Naming style matching correct module names +module-naming-style=snake_case + +# Regular expression matching correct module names. Overrides module-naming- +# style +#module-rgx= + +# Colon-delimited sets of names that determine each other's naming style when +# the name regexes allow several styles. +name-group= + +# Regular expression which should only match function or class names that do +# not require a docstring. +no-docstring-rgx=^_ + +# List of decorators that produce properties, such as abc.abstractproperty. Add +# to this list to register other decorators that produce valid properties. +property-classes=abc.abstractproperty + +# Naming style matching correct variable names +variable-naming-style=snake_case + +# Regular expression matching correct variable names. Overrides variable- +# naming-style +#variable-rgx= + + +[SIMILARITIES] + +# Ignore comments when computing similarities. +ignore-comments=yes + +# Ignore docstrings when computing similarities. +ignore-docstrings=yes + +# Ignore imports when computing similarities. +ignore-imports=no + +# Minimum lines number of a similarity. +min-similarity-lines=4 + + +[SPELLING] + +# Limits count of emitted suggestions for spelling mistakes +max-spelling-suggestions=4 + +# Spelling dictionary name. Available dictionaries: none. To make it working +# install python-enchant package. +spelling-dict= + +# List of comma separated words that should not be checked. +spelling-ignore-words= + +# A path to a file that contains private dictionary; one word per line. +spelling-private-dict-file= + +# Tells whether to store unknown words to indicated private dictionary in +# --spelling-private-dict-file option instead of raising a message. +spelling-store-unknown-words=no + + +[MISCELLANEOUS] + +# List of note tags to take in consideration, separated by a comma. +notes=FIXME, + XXX, + TODO + + +[CLASSES] + +# List of method names used to declare (i.e. assign) instance attributes. +defining-attr-methods=__init__, + __new__, + setUp + +# List of member names, which should be excluded from the protected access +# warning. +exclude-protected=_asdict, + _fields, + _replace, + _source, + _make + +# List of valid names for the first argument in a class method. +valid-classmethod-first-arg=cls + +# List of valid names for the first argument in a metaclass class method. +valid-metaclass-classmethod-first-arg=mcs + + +[DESIGN] + +# Maximum number of arguments for function / method +max-args=8 + +# Maximum number of attributes for a class (see R0902). +max-attributes=7 + +# Maximum number of boolean expressions in a if statement +max-bool-expr=5 + +# Maximum number of branch for function / method body +max-branches=12 + +# Maximum number of locals for function / method body +max-locals=15 + +# Maximum number of parents for a class (see R0901). +max-parents=7 + +# Maximum number of public methods for a class (see R0904). +max-public-methods=20 + +# Maximum number of return / yield for function / method body +max-returns=6 + +# Maximum number of statements in function / method body +max-statements=50 + +# Minimum number of public methods for a class (see R0903). +min-public-methods=2 + + +[IMPORTS] + +# Allow wildcard imports from modules that define __all__. +allow-wildcard-with-all=no + +# Analyse import fallback blocks. This can be used to support both Python 2 and +# 3 compatible code, which means that the block might have code that exists +# only in one or another interpreter, leading to false positives when analysed. +analyse-fallback-blocks=no + +# Deprecated modules which should not be used, separated by a comma +deprecated-modules=optparse,tkinter.tix + +# Create a graph of external dependencies in the given file (report RP0402 must +# not be disabled) +ext-import-graph= + +# Create a graph of every (i.e. internal and external) dependencies in the +# given file (report RP0402 must not be disabled) +import-graph= + +# Create a graph of internal dependencies in the given file (report RP0402 must +# not be disabled) +int-import-graph= + +# Force import order to recognize a module as part of the standard +# compatibility libraries. +known-standard-library= + +# Force import order to recognize a module as part of a third party library. +known-third-party=enchant + + +[EXCEPTIONS] + +# Exceptions that will emit a warning when being caught. Defaults to +# "Exception" +overgeneral-exceptions=Exception diff --git a/MANIFEST.in b/MANIFEST.in new file mode 100644 index 0000000..b0d0e4a --- /dev/null +++ b/MANIFEST.in @@ -0,0 +1,3 @@ +recursive-include vasl_templates/webapp/config *.* +recursive-include vasl_templates/webapp/static *.* +recursive-include vasl_templates/webapp/templates *.* diff --git a/pytest.ini b/pytest.ini new file mode 100644 index 0000000..8a281f0 --- /dev/null +++ b/pytest.ini @@ -0,0 +1,2 @@ +[pytest] +addopts = --pylint diff --git a/setup.py b/setup.py new file mode 100644 index 0000000..b72aa67 --- /dev/null +++ b/setup.py @@ -0,0 +1,33 @@ +""" Setup the package. + + Install this module in development mode to get the tests to work: + pip install --editable .[dev] +""" + +from setuptools import setup, find_packages + +setup( + name = "vasl_templates", + version = "0.1", + packages = find_packages(), + install_requires = [ + # Python 3.6.5 + "flask==1.0.2", + # NOTE: PyQt5 requirements: https://doc.qt.io/qt-5/linux.html + # Linux: mesa-libGL-devel ; @"C Development Tools and Libraries" + # nb: WebEngine seems to be broken in 5.10.1 :-/ + "PyQT5==5.10.0", + ], + extras_require = { + "dev": [ + "pytest==3.6.0", + "selenium==3.12.0", + "pylint==1.9.2", + "pytest-pylint==0.9.0", + ], + }, + include_package_data = True, + entry_points = { + "console_scripts": "vasl-templates = vasl_templates.main:main", + } +) diff --git a/vasl_templates/__init__.py b/vasl_templates/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/vasl_templates/main.py b/vasl_templates/main.py new file mode 100755 index 0000000..5720af1 --- /dev/null +++ b/vasl_templates/main.py @@ -0,0 +1,87 @@ +#!/usr/bin/env python3 +""" Main entry point for the application. """ + +import sys +import threading +import traceback +import logging +import urllib.request + +from PyQt5.QtWidgets import QApplication +from PyQt5.QtCore import Qt + +from vasl_templates.main_window import MainWindow +from vasl_templates.webapp import app as webapp + +# --------------------------------------------------------------------- + +class LoggerProxy: + """Redirect messages to Python logging.""" + def __init__( self, logger, level ): + self.logger = logger + self.level = level + self.closed = False + def write( self, msg ): + """Output a message.""" + if isinstance(msg, bytes): + msg = msg.decode( "utf-8" ) + msg = msg.rstrip() + if msg: + self.logger.log( self.level, msg ) + def flush( self ): + """Flush the output stream.""" + pass + +# --------------------------------------------------------------------- + +def main(): + """Main entry point for the application.""" + + # connect stdout/stderr to Python logging + sys.stdout = LoggerProxy( logging, logging.INFO ) + sys.stderr = LoggerProxy( logging, logging.WARNING ) + + # start the webapp server + port = webapp.config["FLASK_PORT_NO"] + def webapp_thread(): + """Run the webapp server.""" + try: + webapp.run( host="localhost", port=port, use_reloader=False ) + except Exception as ex: + logging.critical( "WEBAPP SERVER EXCEPTION: %s", ex ) + logging.critical( traceback.format_exc() ) + raise + thread = threading.Thread( target=webapp_thread ) + thread.start() + + # check if we should disable OpenGL + # Using the QWebEngineView crashes on Windows 7 in a VM. It uses OpenGL, which is + # apparently not well supported on Windows, and is dependent on the graphics card driver: + # https://stackoverflow.com/a/50393872 + # https://stackoverflow.com/questions/33090346/is-there-any-way-to-use-qtwebengine-without-opengl + # Switching to software rendering (AA_UseSoftwareOpenGL) got things going :shrug: + # Also see: https://doc.qt.io/qt-5/windows-requirements.html + opengl_type = webapp.config.get( "OPENGL_TYPE" ) + if opengl_type: + logging.info( "Setting OpenGL: %s", opengl_type ) + opengl_type = getattr( Qt, opengl_type ) + QApplication.setAttribute( opengl_type ) + + # run the application + app = QApplication( sys.argv ) + url = "http://localhost:{}/main".format( port ) + main_window = MainWindow( url ) + main_window.show() + ret_code = app.exec_() + + # shutdown the webapp server + url = "http://localhost:{}/shutdown".format( port ) + urllib.request.urlopen( url ).read() + thread.join() + + return ret_code + +# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + +if __name__ == "__main__": + sys.exit( main() ) diff --git a/vasl_templates/main_window.py b/vasl_templates/main_window.py new file mode 100644 index 0000000..b8bcd0a --- /dev/null +++ b/vasl_templates/main_window.py @@ -0,0 +1,38 @@ +""" Main application window. """ + +from PyQt5.QtWidgets import QWidget, QVBoxLayout, QLabel +from PyQt5.QtWebEngineWidgets import QWebEngineView +from PyQt5.QtGui import QDesktopServices +from PyQt5.QtCore import QUrl + +from vasl_templates.webapp.config.constants import APP_NAME +from vasl_templates.webapp import app as webapp + +# --------------------------------------------------------------------- + +class MainWindow( QWidget ): + """Main application window.""" + + def __init__( self, url ): + + # initialize + super().__init__() + self.setWindowTitle( APP_NAME ) + + # initialize the layout + # FUDGE! We offer the option to disable the QWebEngineView since getting it to run + # under Windows (especially older versions) is unreliable (since it uses OpenGL). + # By disabling it, the program will at least start (in particular, the webapp server), + # and non-technical users can then open an external browser and connect to the webapp + # that way. Sigh... + layout = QVBoxLayout( self ) + if not webapp.config.get( "DISABLE_WEBENGINEVIEW" ): + # load the webapp + browser = QWebEngineView() + layout.addWidget( browser ) + browser.setUrl( QUrl(url) ) + else: + label = QLabel() + label.setText( "Running the {} application.\n\nClose this window when you're done.".format( APP_NAME ) ) + layout.addWidget( label ) + QDesktopServices.openUrl( QUrl(url) ) diff --git a/vasl_templates/webapp/__init__.py b/vasl_templates/webapp/__init__.py new file mode 100644 index 0000000..eaf15b4 --- /dev/null +++ b/vasl_templates/webapp/__init__.py @@ -0,0 +1,46 @@ +""" Initialize the package. """ + +import os +import configparser +import json +import logging + +from flask import Flask + +from vasl_templates.webapp.config.constants import APP_NAME, BASE_DIR + +# --------------------------------------------------------------------- + +# initialize Flask +app = Flask( __name__ ) + +# load the application configuration +config_dir = os.path.join( BASE_DIR, "config" ) +config_parser = configparser.ConfigParser() +config_parser.optionxform = str # preserve case for the keys :-/ +config_parser.read( os.path.join( config_dir, "app.cfg" ) ) +app.config.update( dict( config_parser.items( "System" ) ) ) +fname = os.path.join( config_dir, "debug.cfg" ) +if os.path.isfile( fname ) : + config_parser.read( fname ) + app.config.update( dict( config_parser.items( "Debug" ) ) ) + +# initialize logging +fname = os.path.join( config_dir, "logging.cfg" ) +if os.path.isfile( fname ): + import logging.config + logging.config.dictConfig( json.load( open(fname,"r") ) ) + +# load the application +import vasl_templates.webapp.main #pylint: disable=cyclic-import +import vasl_templates.webapp.generate #pylint: disable=cyclic-import + +# initialize the application +logger = logging.getLogger( "startup" ) + +# --------------------------------------------------------------------- + +@app.context_processor +def inject_template_params(): + """Inject template parameters into Jinja2.""" + return { "APP_NAME": APP_NAME } diff --git a/vasl_templates/webapp/config/.gitignore b/vasl_templates/webapp/config/.gitignore new file mode 100644 index 0000000..4261f66 --- /dev/null +++ b/vasl_templates/webapp/config/.gitignore @@ -0,0 +1,2 @@ +debug.cfg +logging.cfg diff --git a/vasl_templates/webapp/config/__init__.py b/vasl_templates/webapp/config/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/vasl_templates/webapp/config/app.cfg b/vasl_templates/webapp/config/app.cfg new file mode 100644 index 0000000..13c69e6 --- /dev/null +++ b/vasl_templates/webapp/config/app.cfg @@ -0,0 +1,3 @@ +[System] + +FLASK_PORT_NO = 5010 diff --git a/vasl_templates/webapp/config/constants.py b/vasl_templates/webapp/config/constants.py new file mode 100644 index 0000000..43b5d89 --- /dev/null +++ b/vasl_templates/webapp/config/constants.py @@ -0,0 +1,8 @@ +""" Application constants. """ + +import os + +APP_NAME = "VASL Templates" +APP_VERSION = "v0.1" + +BASE_DIR = os.path.abspath( os.path.join( os.path.split(__file__)[0], ".." ) ) diff --git a/vasl_templates/webapp/generate.py b/vasl_templates/webapp/generate.py new file mode 100644 index 0000000..b1d2aaa --- /dev/null +++ b/vasl_templates/webapp/generate.py @@ -0,0 +1,15 @@ +""" Webapp handlers. """ + +from flask import request + +from vasl_templates.webapp import app + +# --------------------------------------------------------------------- + +@app.route( "/generate", methods=["POST"] ) +def generate_html(): + """Generate a response""" + val = request.form.get( "val" ) + if val: + val = val.strip() + return "You said: {}".format( '"{}"'.format(val) if val else "nothing!" ) diff --git a/vasl_templates/webapp/main.py b/vasl_templates/webapp/main.py new file mode 100644 index 0000000..6209865 --- /dev/null +++ b/vasl_templates/webapp/main.py @@ -0,0 +1,20 @@ +""" Main webapp handlers. """ + +from flask import request, render_template + +from vasl_templates.webapp import app + +# --------------------------------------------------------------------- + +@app.route( "/main" ) +def main(): + """Return the main page.""" + return render_template( "main.html" ) + +# --------------------------------------------------------------------- + +@app.route( "/shutdown" ) +def shutdown(): + """Shutdown the webapp (for testing porpoises).""" + request.environ.get( "werkzeug.server.shutdown" )() + return "" diff --git a/vasl_templates/webapp/run_server.py b/vasl_templates/webapp/run_server.py new file mode 100755 index 0000000..f28c883 --- /dev/null +++ b/vasl_templates/webapp/run_server.py @@ -0,0 +1,27 @@ +#!/usr/bin/env python3 +""" Run the webapp server. """ + +import os +import glob + +# --------------------------------------------------------------------- + +# monitor extra files for changes +extra_files = [] +for fspec in ["config","static","templates"] : + fspec = os.path.abspath( os.path.join( os.path.dirname(__file__), fspec ) ) + if os.path.isdir( fspec ): + files = [ os.path.join(fspec,f) for f in os.listdir(fspec) ] + files = [ f for f in files if os.path.isfile(f) and os.path.splitext(f)[1] not in [".swp"] ] + else: + files = glob.glob( fspec ) + extra_files.extend( files ) + +# run the server +from vasl_templates.webapp import app +app.run( + host = "localhost", + port = app.config["FLASK_PORT_NO"], + debug = True, + extra_files = extra_files +) diff --git a/vasl_templates/webapp/static/css/main.css b/vasl_templates/webapp/static/css/main.css new file mode 100644 index 0000000..be89954 --- /dev/null +++ b/vasl_templates/webapp/static/css/main.css @@ -0,0 +1 @@ +* { margin: 0 ; padding: 0 } diff --git 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""" + +import os +import threading +import logging +import tempfile +import urllib.request +import pytest + +from flask import url_for + +from vasl_templates.webapp import app +app.testing = True + +FLASK_WEBAPP_PORT = 5001 + +# --------------------------------------------------------------------- + +@pytest.fixture +def webapp(): + """Launch the webapp.""" + + # initialize + # WTF?! https://github.com/pallets/flask/issues/824 + def make_webapp_url( endpoint ): + """Generate a webapp URL.""" + with app.test_request_context(): + url = url_for( endpoint, _external=True ) + return url.replace( "localhost/", "localhost:{}/".format(FLASK_WEBAPP_PORT) ) + app.url_for = make_webapp_url + + # start the webapp server (in a background thread) + logging.disable( logging.CRITICAL ) + thread = threading.Thread( + target = lambda: app.run( host="0.0.0.0", port=FLASK_WEBAPP_PORT, use_reloader=False ) + ) + thread.start() + yield app + + # shutdown the webapp server + urllib.request.urlopen( app.url_for("shutdown") ).read() + thread.join() + +# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + +@pytest.fixture +def test_client(): + """Return a test client that can be used to connect to the webapp.""" + logging.disable( logging.CRITICAL ) + return app.test_client() + +# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + +@pytest.fixture +def webdriver(): + """Return a webdriver that can be used to control a browser. + + It would be nice to be able to drive the embedded browser in the wrapper + Qt app with e.g. this: + https://github.com/cisco-open-source/qtwebdriver + but it only works with the old QtWebKit, which was removed in Qt 5.6 :-/ + """ + + # initialize + from selenium import webdriver as wb + driver = wb.Firefox( + log_path = os.path.join( tempfile.gettempdir(), "geckodriver.log" ) + ) + + # return the webdriver to the caller + yield driver + + # clean up + driver.close() diff --git a/vasl_templates/webapp/tests/test_generate.py b/vasl_templates/webapp/tests/test_generate.py new file mode 100644 index 0000000..5108ea7 --- /dev/null +++ b/vasl_templates/webapp/tests/test_generate.py @@ -0,0 +1,37 @@ +""" Test response generation. """ + +from vasl_templates.webapp.tests.utils import find_child + +# --------------------------------------------------------------------- + +def test_generate( webapp, webdriver ): + """Test response generation.""" + + # initialize + webdriver.get( webapp.url_for( "main" ) ) + + # try saying something + textbox = find_child( webdriver, "input[type='text']" ) + textbox.clear() + textbox.send_keys( "Hi, there!" ) + submit = find_child( webdriver, "input[type='submit']" ) + submit.click() + response = find_child( webdriver, "#response" ) + assert response.text == 'You said: "Hi, there!"' + + # try saying something else + textbox = find_child( webdriver, "input[type='text']" ) + textbox.clear() + textbox.send_keys( "Yo mama so big..." ) + submit = find_child( webdriver, "input[type='submit']" ) + submit.click() + response = find_child( webdriver, "#response" ) + assert response.text == 'You said: "Yo mama so big..."' + + # try saying nothing + textbox = find_child( webdriver, "input[type='text']" ) + textbox.clear() + submit = find_child( webdriver, "input[type='submit']" ) + submit.click() + response = find_child( webdriver, "#response" ) + assert response.text == "You said: nothing!" diff --git a/vasl_templates/webapp/tests/utils.py b/vasl_templates/webapp/tests/utils.py new file mode 100644 index 0000000..8a39e31 --- /dev/null +++ b/vasl_templates/webapp/tests/utils.py @@ -0,0 +1,19 @@ +""" Helper utilities. """ + +from selenium.common.exceptions import NoSuchElementException + +# --------------------------------------------------------------------- + +def find_child( elem, sel ): + """Find a single child element.""" + try: + return elem.find_element_by_css_selector( sel ) + except NoSuchElementException: + return None + +def find_children( elem, sel ): + """Find child elements.""" + try: + return elem.find_elements_by_css_selector( sel ) + except NoSuchElementException: + return None