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small changes to configuration: * session key is now 32 chars rather than 40, to make it a little more manageable in length * session key now only uses letters and numbers, rather than some special characters. * variables $database_dsn, $database_username, $database_password, and $database_debug are defined in global.conf before database.conf is loaded. this means that in the typical case, database.conf doesn't need to be modified at all. * changes to database.conf to support $database_dsn, $database_username, $database_password, and $database_debug variables. * changes to some comments in database.conf, and removal of SQL/GDBM stubs.
1 #!perl 2 ################################################################################ 3 # WeBWorK Online Homework Delivery System 4 # Copyright © 2000-2006 The WeBWorK Project, http://openwebwork.sf.net/ 5 # $CVSHeader: webwork2/conf/global.conf.dist,v 1.164 2006/01/25 23:13:48 sh002i Exp $ 6 # 7 # This program is free software; you can redistribute it and/or modify it under 8 # the terms of either: (a) the GNU General Public License as published by the 9 # Free Software Foundation; either version 2, or (at your option) any later 10 # version, or (b) the "Artistic License" which comes with this package. 11 # 12 # This program is distributed in the hope that it will be useful, but WITHOUT 13 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 14 # FOR A PARTICULAR PURPOSE. See either the GNU General Public License or the 15 # Artistic License for more details. 16 ################################################################################ 17 18 # This file is used to set up the default WeBWorK course environment for all 19 # requests. Values may be overwritten by the course.conf for a specific course. 20 # All package variables set in this file are added to the course environment. 21 # If you wish to set a variable here but omit it from the course environment, 22 # use the "my" keyword. The $webwork_dir variable is set in the WeBWorK Apache 23 # configuration file (webwork.apache-config) and is available for use here. In 24 # addition, the $courseName variable holds the name of the current course. 25 26 ################################################################################ 27 # Seed variables 28 ################################################################################ 29 30 # Set these variables to correspond to your configuration and preferences. You 31 # will need to restart the webserver to reset the variables in this section. 32 33 # URL of WeBWorK handler. 34 $webwork_url = "/webwork2"; 35 36 # Root directory of PG. 37 $pg_dir = "/opt/pg"; 38 39 # URL and path to htdocs directory. 40 $webwork_htdocs_url = "/webwork2_files"; 41 $webwork_htdocs_dir = "$webwork_dir/htdocs"; 42 43 # URL and path to courses directory. 44 $webwork_courses_url = "/webwork2_course_files"; 45 $webwork_courses_dir = "$webwork_dir/courses"; 46 47 ################################################################################ 48 # Paths to external programs 49 ################################################################################ 50 51 # system utilties 52 $externalPrograms{mkdir} = "/bin/mkdir"; 53 $externalPrograms{mv} = "/bin/mv"; 54 $externalPrograms{mysql} = "/usr/bin/mysql"; 55 $externalPrograms{tar} = "/usr/bin/tar"; 56 57 # equation rendering/hardcopy utiltiies 58 $externalPrograms{latex} = "/usr/bin/latex"; 59 $externalPrograms{pdflatex} = "/usr/bin/pdflatex --shell-escape"; # --shell-escape allows pdflatex to handle .eps files 60 $externalPrograms{dvipng} = "/usr/bin/dvipng"; 61 $externalPrograms{tth} = "/usr/bin/tth"; 62 63 # NetPBM - basic image manipulation utilities 64 # most sites only need to configure $netpbm_prefix. 65 my $netpbm_prefix = "/usr/bin"; 66 $externalPrograms{giftopnm} = "$netpbm_prefix/giftopnm"; 67 $externalPrograms{ppmtopgm} = "$netpbm_prefix/ppmtopgm"; 68 $externalPrograms{pnmtops} = "$netpbm_prefix/pnmtops"; 69 $externalPrograms{pnmtopng} = "$netpbm_prefix/pnmtopng"; 70 $externalPrograms{pngtopnm} = "$netpbm_prefix/pngtopnm"; 71 72 # image conversions utiltiies 73 # the source file is given on stdin, and the output expected on stdout. 74 # 75 # Note on conversions pipelines: 76 # we used to use `pnmdepth 1' instead of ppmtopgm as it creates a 77 # monochrome image (1 bit) rather than a greyscale image (8 bits). 78 # However, this was causing improper display of some sort in PDFs. 79 $externalPrograms{gif2eps} = "$externalPrograms{giftopnm} | $externalPrograms{ppmtopgm} | $externalPrograms{pnmtops} -noturn 2>/dev/null"; 80 $externalPrograms{png2eps} = "$externalPrograms{pngtopnm} | $externalPrograms{ppmtopgm} | $externalPrograms{pnmtops} -noturn 2>/dev/null"; 81 $externalPrograms{gif2png} = "$externalPrograms{giftopnm} | $externalPrograms{pnmtopng}"; 82 83 ################################################################################ 84 # Mail settings 85 ################################################################################ 86 87 # Mail sent by the PG system and the mail merge and feedback modules will be 88 # sent via this SMTP server. 89 $mail{smtpServer} = 'mail.yourschool.edu'; 90 91 # When connecting to the above server, WeBWorK will send this address in the 92 # MAIL FROM command. This has nothing to do with the "From" address on the mail 93 # message. It can really be anything, but some mail servers require it contain 94 # a valid mail domain, or at least be well-formed. 95 $mail{smtpSender} = 'webwork@yourserver.yourschool.edu'; 96 97 # AllowedRecipients defines addresses that the PG system is allowed to send mail 98 # to. this prevents subtle PG exploits. This should be set in course.conf to the 99 # addresses of professors of each course. Sending mail from the PG system (i.e. 100 # questionaires, essay questions) will fail if this is not set somewhere (either 101 # here or in course.conf). 102 $mail{allowedRecipients} = [ 103 #'prof1@yourserver.yourdomain.edu', 104 #'prof2@yourserver.yourdomain.edu', 105 ]; 106 107 # By default, feeback is sent to all users who have permission to 108 # receive_feedback. If this list is non-empty, feedback is also sent to the 109 # addresses specified here. 110 # 111 # * If you want to disable feedback altogether, leave this empty and set 112 # submit_feeback => $nobody in %permissionLevels below. This will cause the 113 # feedback button to go away as well. 114 # 115 # * If you want to send email ONLY to addresses in this list, set 116 # receive_feedback => $nobody in %permissionLevels below. 117 # 118 # It's often useful to set this in the course.conf to change the behavior of 119 # feedback for a specific course. 120 # 121 # Items in this list may be bare addresses, or RFC822 mailboxes, like: 122 # 'Joe User <joe.user@example.com>' 123 # The advantage of this form is that the resulting email will include the name 124 # of the recipient in the "To" field of the email. 125 # 126 $mail{feedbackRecipients} = [ 127 #'prof1@yourserver.yourdomain.edu', 128 #'prof2@yourserver.yourdomain.edu', 129 ]; 130 131 # Feedback subject line -- the following escape sequences are recognized: 132 # 133 # %c = course ID 134 # %u = user ID 135 # %s = set ID 136 # %p = problem ID 137 # %x = section 138 # %r = recitation 139 # %% = literal percent sign 140 # 141 $mail{feedbackSubjectFormat} = "[WWfeedback] course:%c user:%u set:%s prob:%p sec:%x rec:%r"; 142 143 # feedbackVerbosity: 144 # 0: send only the feedback comment and context link 145 # 1: as in 0, plus user, set, problem, and PG data 146 # 2: as in 1, plus the problem environment (debugging data) 147 $mail{feedbackVerbosity} = 1; 148 149 # Defines the size of the Mail Merge editor window 150 # FIXME: should this be here? it's UI, not mail 151 # FIXME: replace this with the auto-size method that TWiki uses 152 $mail{editor_window_rows} = 15; 153 $mail{editor_window_columns} = 100; 154 155 ################################################################################ 156 # System-wide locations (directories and URLs) 157 ################################################################################ 158 159 # The root directory, set by webwork_root variable in Apache configuration. 160 $webworkDirs{root} = "$webwork_dir"; 161 162 # Location of system-wide data files. 163 $webworkDirs{DATA} = "$webworkDirs{root}/DATA"; 164 165 # Used for temporary storage of uploaded files. 166 $webworkDirs{uploadCache} = "$webworkDirs{DATA}/uploads"; 167 168 # Location of utility programs. 169 $webworkDirs{bin} = "$webworkDirs{root}/bin"; 170 171 # Location of configuration files, templates, snippets, etc. 172 $webworkDirs{conf} = "$webworkDirs{root}/conf"; 173 174 # Location of theme templates. 175 $webworkDirs{templates} = "$webworkDirs{conf}/templates"; 176 177 # Location of course directories. 178 $webworkDirs{courses} = "$webwork_courses_dir" || "$webworkDirs{root}/courses"; 179 180 # Contains log files. 181 $webworkDirs{logs} = "$webworkDirs{root}/logs"; 182 183 # Contains non-web-accessible temporary files, such as TeX working directories. 184 $webworkDirs{tmp} = "$webworkDirs{root}/tmp"; 185 186 # The (absolute) destinations of symbolic links that are OK for the FileManager to follow. 187 # (any subdirectory of these is a valid target for a symbolic link.) 188 # For example: 189 # $webworkDirs{valid_symlinks} = ["$webworkDirs{courses}/modelCourse/templates","/ww2/common/sets"]; 190 $webworkDirs{valid_symlinks} = []; 191 192 ##### The following locations are web-accessible. 193 194 # The root URL (usually /webwork2), set by <Location> in Apache configuration. 195 $webworkURLs{root} = "$webwork_url"; 196 197 # Location of system-wide web-accessible files, such as equation images, and 198 # help files. 199 $webworkDirs{htdocs} = "$webwork_htdocs_dir" || "$webworkDirs{root}/htdocs"; 200 $webworkURLs{htdocs} = "$webwork_htdocs_url"; 201 202 # Location of web-accessible temporary files, such as equation images. 203 $webworkDirs{htdocs_temp} = "$webworkDirs{htdocs}/tmp"; 204 $webworkURLs{htdocs_temp} = "$webworkURLs{htdocs}/tmp"; 205 206 # Location of cached equation images. 207 $webworkDirs{equationCache} = "$webworkDirs{htdocs_temp}/equations"; 208 $webworkURLs{equationCache} = "$webworkURLs{htdocs_temp}/equations"; 209 210 # Contains context-sensitive help files. 211 $webworkDirs{local_help} = "$webworkDirs{htdocs}/helpFiles"; 212 $webworkURLs{local_help} = "$webworkURLs{htdocs}/helpFiles"; 213 214 # URL of general WeBWorK documentation. 215 $webworkURLs{docs} = "http://webhost.math.rochester.edu/webworkdocs/docs"; 216 217 # URL of WeBWorK 1.x profLogin.pl script, for access to old professor pages. 218 # Note that both systems must share a single "courses" directory for this to be 219 # useful. Leave this blank to disable 220 $webworkURLs{oldProf} = "/webwork1/profLogin.pl"; 221 222 # URL of WeBWorK Bugzilla database. 223 $webworkURLs{bugReporter} = "http://bugs.webwork.rochester.edu/"; 224 225 # Location of CSS 226 $webworkURLs{stylesheet} = "$webworkURLs{htdocs}/css/ur.css"; 227 228 # Location of jsMath script, used for the jsMath display mode. 229 $webworkURLs{jsMath} = "$webworkURLs{htdocs}/jsMath/jsMath-ww.js"; 230 231 # Location of ASCIIMathML script, used for the asciimath display mode. 232 $webworkURLs{asciimath} = "$webworkURLs{htdocs}/ASCIIMathML/ASCIIMathML.js"; 233 234 ################################################################################ 235 # Defaults for course-specific locations (directories and URLs) 236 ################################################################################ 237 238 # The root directory of the current course. (The ID of the current course is 239 # available in $courseName.) 240 $courseDirs{root} = "$webworkDirs{courses}/$courseName"; 241 242 # Location of course-specific data files, such as WW1 (GDBM) database files. 243 $courseDirs{DATA} = "$courseDirs{root}/DATA"; 244 245 # Location of course HTML files, passed to PG. 246 $courseDirs{html} = "$courseDirs{root}/html"; 247 $courseURLs{html} = "$webwork_courses_url/$courseName"; 248 249 # Location of course image files, passed to PG. 250 $courseDirs{html_images} = "$courseDirs{html}/images"; 251 252 # Location of web-accessible, course-specific temporary files, like static and 253 # dynamically-generated PG graphics. 254 $courseDirs{html_temp} = "$courseDirs{html}/tmp"; 255 $courseURLs{html_temp} = "$courseURLs{html}/tmp"; 256 257 # Location of course-specific logs, like the transaction log. 258 $courseDirs{logs} = "$courseDirs{root}/logs"; 259 260 # Location of scoring files. 261 $courseDirs{scoring} = "$courseDirs{root}/scoring"; 262 263 # Location of PG templates and set definition files. 264 $courseDirs{templates} = "$courseDirs{root}/templates"; 265 266 # Location of course-specific macro files. 267 $courseDirs{macros} = "$courseDirs{templates}/macros"; 268 269 # Location of mail-merge templates. 270 $courseDirs{email} = "$courseDirs{templates}/email"; 271 272 # Location of temporary editing files. 273 $courseDirs{tmpEditFileDir} = "$courseDirs{templates}/tmpEdit"; 274 275 ################################################################################ 276 # System-wide files 277 ################################################################################ 278 279 # Location of this file. 280 $webworkFiles{environment} = "$webworkDirs{conf}/global.conf"; 281 282 # Flat-file database used to protect against MD5 hash collisions. TeX equations 283 # are hashed to determine the name of the image file. There is a tiny chance of 284 # a collision between two TeX strings. This file allows for that. However, this 285 # is slow, so most people chose not to worry about it. Set this to "" if you 286 # don't want to use the equation cache file. 287 $webworkFiles{equationCacheDB} = ""; # "$webworkDirs{DATA}/equationcache"; 288 289 ##### Hardcopy snippets are used in constructing a TeX file for hardcopy output. 290 ##### They should contain TeX code unless otherwise noted. 291 292 # The preamble is the first thing in the TeX file. 293 $webworkFiles{hardcopySnippets}{preamble} = "$webworkDirs{conf}/snippets/hardcopyPreamble.tex"; 294 295 # The setHeader preceeds each set. It is a PG file. 296 $webworkFiles{hardcopySnippets}{setHeader} = "$webworkDirs{conf}/snippets/setHeader.pg"; # hardcopySetHeader.pg", 297 298 # The problem divider goes between problems. 299 $webworkFiles{hardcopySnippets}{problemDivider} = "$webworkDirs{conf}/snippets/hardcopyProblemDivider.tex"; 300 301 # The set footer goes after each set. Is is a PG file. 302 $webworkFiles{hardcopySnippets}{setFooter} = "$webworkDirs{conf}/snippets/hardcopySetFooter.pg"; 303 304 # The set divider goes between sets (in multiset output). 305 $webworkFiles{hardcopySnippets}{setDivider} = "$webworkDirs{conf}/snippets/hardcopySetDivider.tex"; 306 307 # The user divider does between users (in multiuser output). 308 $webworkFiles{hardcopySnippets}{userDivider} = "$webworkDirs{conf}/snippets/hardcopyUserDivider.tex"; 309 310 # The postabmle is the last thing in the TeX file. 311 $webworkFiles{hardcopySnippets}{postamble} = "$webworkDirs{conf}/snippets/hardcopyPostamble.tex"; 312 313 ##### Screen snippets are used when displaying problem sets on the screen. 314 315 # The set header is displayed on the problem set page. It is a PG file. 316 $webworkFiles{screenSnippets}{setHeader} = "$webworkDirs{conf}/snippets/setHeader.pg"; # screenSetHeader.pg" 317 318 # A PG template for creation of new problems. 319 $webworkFiles{screenSnippets}{blankProblem} = "$webworkDirs{conf}/snippets/blankProblem.pg"; # screenSetHeader.pg" 320 321 # A site info "message of the day" file 322 $webworkFiles{site_info} = "$webworkDirs{htdocs}/site_info.txt"; 323 324 ################################################################################ 325 # Course-specific files 326 ################################################################################ 327 328 # The course configuration file. 329 $courseFiles{environment} = "$courseDirs{root}/course.conf"; 330 331 # The course simple configuration file (holds web-based configuratoin). 332 $courseFiles{simpleConfig} = "$courseDirs{root}/simple.conf"; 333 334 # File contents are displayed after login, on the problem sets page. Path given 335 # here is relative to the templates directory. 336 $courseFiles{course_info} = "course_info.txt"; 337 338 # File contents are displayed on the login page. Path given here is relative to 339 # the templates directory. 340 $courseFiles{login_info} = "login_info.txt"; 341 342 # Additional library buttons can be added to the Library Browser (SetMaker.pm) 343 # by adding the libraries you want to the following line. For each key=>value 344 # in the list, if a directory (or link to a directory) with name 'key' appears 345 # in the templates directory, then a button with name 'value' will be placed at 346 # the top of the problem browser. (No button will appear if there is no 347 # directory or link with the given name in the templates directory.) For 348 # example, 349 # 350 # $courseFiles{problibs} = {rochester => "Rochester", asu => "ASU"}; 351 # 352 # would add two buttons, one for the Rochester library and one for the ASU 353 # library, provided templates/rochester and templates/asu exists either as 354 # subdirectories or links to other directories. 355 # 356 $courseFiles{problibs} = { 357 # rochesterLibrary => "Rochester", 358 # asuLibrary => "Arizona State", 359 # dcdsLibrary => "Detroit CDS", 360 # dartmouthLibrary => "Dartmouth", 361 # indianaLibrary => "Indiana", 362 # osuLibrary => "Ohio State", 363 # capaLibrary => "CAPA", 364 }; 365 366 ################################################################################ 367 # Database options 368 ################################################################################ 369 370 # these variables are used by database.conf. we define them here so that editing 371 # database.conf isn't necessary. 372 $database_dsn = "dbi:mysql:webwork"; 373 $database_username = "webworkWrite"; 374 $database_password = ""; 375 $database_debug = 0; 376 377 # Several database are defined in the file conf/database.conf and stored in the 378 # hash %dbLayouts. 379 include "conf/database.conf"; 380 381 # Select the default database layout. This can be overridden in the course.conf 382 # file of a particular course. The only database layout supported in WW 2.1.4 383 # and up is "sql_single". 384 $dbLayoutName = "sql_single"; 385 386 # This sets the symbol "dbLayout" as an alias for the selected database layout. 387 *dbLayout = $dbLayouts{$dbLayoutName}; 388 389 ################################################################################ 390 # Problem library options 391 ################################################################################ 392 393 # The directory containing the problem library files. Set to "" if no problem 394 # library is installed. 395 $problemLibrary{root} = ""; 396 397 # Problem Library version 398 # Version 1 is in use. Version 2 will be released soon. 399 $problemLibrary{version} = "1"; 400 401 # The name of the SQL database containing problem metadata 402 $problemLibrary{sourceSQL} = "ProblemLibrary"; 403 404 # The user name to use when connecting to the problem library database 405 $problemLibrary{userSQL} = "webworkRead"; 406 407 # The password to use when connecting to the problem library database 408 $problemLibrary{passwordSQL} = ""; 409 410 ################################################################################ 411 # Logs 412 ################################################################################ 413 414 # FIXME: take logs out of %webworkFiles/%courseFiles and give them their own 415 # top-level hash. 416 417 # Logs data about how long it takes to process problems. (Do not confuse this 418 # with the /other/ timing log which can be set by WeBWorK::Timing and is used 419 # for benchmarking system performance in general. At some point, this timing 420 # mechanism will be deprecated in favor of the WeBWorK::Timing mechanism.) 421 $webworkFiles{logs}{timing} = "$webworkDirs{logs}/timing.log"; 422 423 # Logs courses created via the web-based Course Administration module. 424 $webworkFiles{logs}{hosted_courses} = "$webworkDirs{logs}/hosted_courses.log"; 425 426 # The transaction log contains data from each recorded answer submission. This 427 # is useful if the database becomes corrupted. 428 $webworkFiles{logs}{transaction} = "$courseDirs{logs}/transaction.log"; 429 430 # The answer log stores a history of all users' submitted answers. 431 $courseFiles{logs}{answer_log} = "$courseDirs{logs}/answer_log"; 432 433 # Log logins. 434 $courseFiles{logs}{login_log} = "$courseDirs{logs}/login.log"; 435 436 # Log for almost every click. By default it is the empty string, which 437 # turns this log off. If you want it turned on, we suggest 438 # "$courseDirs{logs}/activity.log" 439 # When turned on, this log can get quite large. 440 $courseFiles{logs}{activity_log} = ''; 441 442 ################################################################################ 443 # Site defaults (FIXME: what other things could be "site defaults"?) 444 ################################################################################ 445 446 # Set the default timezone of courses on this server. To get a list of valid 447 # timezones, run: 448 # 449 # perl -MDateTime::TimeZone -e 'print join "\n", DateTime::TimeZone::all_names' 450 # 451 # To get a list of valid timezone "links" (deprecated names), run: 452 # 453 # perl -MDateTime::TimeZone -e 'print join "\n", DateTime::TimeZone::links' 454 # 455 # If left blank, the system timezone will be used. This is usually what you 456 # want. You might want to set this if your server is NOT in the same timezone as 457 # your school. If just a few courses are in a different timezone, set this in 458 # course.conf for the affected courses instead. 459 # 460 $siteDefaults{timezone} = ""; 461 462 # The default_templates_course is used by default to create a new course. 463 # The contents of the templates directory are copied from this course 464 # to the new course being created. 465 $siteDefaults{default_templates_course} ="modelCourse"; 466 467 ################################################################################ 468 # Theme 469 ################################################################################ 470 471 $defaultTheme = "math"; 472 $defaultThemeTemplate = "system"; 473 474 ################################################################################ 475 # Authorization system 476 ################################################################################ 477 478 # this section lets you define which groups of users can perform which actions. 479 480 # this hash maps a numeric permission level to the name of a role. the number 481 # assigned to a role is significant -- roles with higher numbers are considered 482 # "more privileged", and are included when that role is listed for a privilege 483 # below. 484 # 485 %userRoles = ( 486 guest => -5, 487 student => 0, 488 proctor => 2, 489 ta => 5, 490 professor => 10, 491 ); 492 493 # this hash maps operations to the roles that are allowed to perform those 494 # operations. the role listed and any role with a higher permission level (in 495 # the %userRoles hash) will be allowed to perform the operation. If the role 496 # is undefined, no users will be allowed to perform the operation. 497 # 498 %permissionLevels = ( 499 login => "guest", 500 report_bugs => "student", 501 submit_feedback => "student", 502 change_password => "student", 503 change_email_address => "student", 504 505 proctor_quiz => "proctor", 506 view_proctored_tests => "ta", 507 508 view_multiple_sets => "ta", 509 view_unopened_sets => "ta", 510 view_unpublished_sets => "ta", 511 view_answers => "ta", 512 513 become_student => "professor", 514 access_instructor_tools => "ta", 515 score_sets => "professor", 516 send_mail => "professor", 517 receive_feedback => "ta", 518 519 create_and_delete_problem_sets => "professor", 520 assign_problem_sets => "professor", 521 modify_problem_sets => "professor", 522 modify_student_data => "professor", 523 modify_classlist_files => "professor", 524 modify_set_def_files => "professor", 525 modify_scoring_files => "professor", 526 modify_problem_template_files => "professor", 527 manage_course_files => "professor", 528 529 create_and_delete_courses => "professor", 530 fix_course_databases => "professor", 531 532 ##### Behavior of the interactive problem processor ##### 533 534 show_correct_answers_before_answer_date => "ta", 535 show_solutions_before_answer_date => "ta", 536 avoid_recording_answers => "ta", 537 # Below this level, old answers are never initially shown 538 can_show_old_answers_by_default => "student", 539 # at this level, we look at showOldAnswers for default value 540 # even after the due date 541 can_always_use_show_old_answers_default => "professor", 542 check_answers_before_open_date => "ta", 543 check_answers_after_open_date_with_attempts => "ta", 544 check_answers_after_open_date_without_attempts => "guest", 545 check_answers_after_due_date => "guest", 546 check_answers_after_answer_date => "guest", 547 record_answers_when_acting_as_student => undef, 548 # "record_answers_when_acting_as_student" takes precedence 549 # over the following for professors acting as students: 550 record_answers_before_open_date => undef, 551 record_answers_after_open_date_with_attempts => "student", 552 record_answers_after_open_date_without_attempts => undef, 553 record_answers_after_due_date => undef, 554 record_answers_after_answer_date => undef, 555 dont_log_past_answers => "professor", 556 # does the user get to see a dump of the problem? 557 view_problem_debugging_info => "ta", 558 559 ##### Behavior of the Hardcopy Processor ##### 560 561 download_hardcopy_multiuser => "ta", 562 download_hardcopy_multiset => "ta", 563 download_hardcopy_format_pdf => "guest", 564 download_hardcopy_format_tex => "ta", 565 ); 566 567 # This is the default permission level given to new students and students with 568 # invalid or missing permission levels. 569 $default_permission_level = $userRoles{student}; 570 571 ################################################################################ 572 # Status system 573 ################################################################################ 574 575 # This is the default status given to new students and students with invalid 576 # or missing statuses. 577 $default_status = "Enrolled"; 578 579 # The first abbreviation in the abbreviations list is the canonical 580 # abbreviation, and will be used when setting the status value in a user record 581 # or an exported classlist file. 582 # 583 # Results are undefined if more than one status has the same abbreviation. 584 # 585 # The four behaviors that are controlled by status are: 586 # allow_course_access => is this user allowed to log in? 587 # include_in_assignment => is this user included when assigning as set to "all" users? 588 # include_in_stats => is this user included in statistical reports? 589 # include_in_email => is this user included in emails sent to the class? 590 # include_in_scoring => is this user included in score reports? 591 592 %statuses = ( 593 Enrolled => { 594 abbrevs => [qw/ C c current enrolled /], 595 behaviors => [qw/ allow_course_access include_in_assignment include_in_stats 596 include_in_email include_in_scoring /], 597 }, 598 Audit => { 599 abbrevs => [qw/ A a audit /], 600 behaviors => [qw/ allow_course_access include_in_assignment include_in_stats 601 include_in_email /], 602 }, 603 Drop => { 604 abbrevs => [qw/ D d drop withdraw /], 605 behaviors => [qw/ /], 606 }, 607 ); 608 609 ################################################################################ 610 # Session options 611 ################################################################################ 612 613 # $sessionKeyTimeout defines seconds of inactivity before a key expires 614 $sessionKeyTimeout = 60*30; 615 616 # $sessionKeyLength defines the length (in characters) of the session key 617 $sessionKeyLength = 40; 618 619 # @sessionKeyChars lists the legal session key characters 620 @sessionKeyChars = ('A'..'Z', 'a'..'z', '0'..'9', '.', '^', '/', '!', '*'); 621 622 # Practice users are users who's names start with $practiceUser 623 # (you can comment this out to remove practice user support) 624 $practiceUserPrefix = "practice"; 625 626 # There is a practice user who can be logged in multiple times. He's 627 # commented out by default, though, so you don't hurt yourself. It is 628 # kindof a backdoor to the practice user system, since he doesn't have a 629 # password. Come to think of it, why do we even have this?! 630 #$debugPracticeUser = "practice666"; 631 632 # Option for gateway tests; $gatewayGracePeriod is the time in seconds 633 # after the official due date during which we'll still grade the test 634 $gatewayGracePeriod = 120; 635 636 ################################################################################ 637 # PG subsystem options 638 ################################################################################ 639 640 # List of enabled display modes. Comment out any modes you don't wish to make 641 # available for use. 642 $pg{displayModes} = [ 643 "plainText", # display raw TeX for math expressions 644 "formattedText", # format math expressions using TtH 645 "images", # display math expressions as images generated by dvipng 646 "jsMath", # render TeX math expressions on the client side using jsMath 647 "asciimath", # render TeX math expressions on the client side using ASCIIMathML 648 ]; 649 650 #### Default settings for the PG translator 651 652 # Default display mode. Should be listed above. 653 $pg{options}{displayMode} = "images"; 654 655 # The default grader to use, if a problem doesn't specify. 656 $pg{options}{grader} = "avg_problem_grader"; 657 658 # Fill in answer blanks with the student's last answer by default? 659 $pg{options}{showOldAnswers} = 1; 660 661 # Show correct answers (when allowed) by default? 662 $pg{options}{showCorrectAnswers} = 0; 663 664 # Show hints (when allowed) by default? 665 $pg{options}{showHints} = 0; 666 667 # Show solutions (when allowed) by default? 668 $pg{options}{showSolutions} = 0; 669 670 # Catch translation warnings internally by default? (We no longer need to do 671 # this, since there is a global warnings handler. So this should be off.) 672 $pg{options}{catchWarnings} = 0; 673 674 ##### Currently-selected renderer 675 676 # Only the local renderer is supported in this version. 677 $pg{renderer} = "WeBWorK::PG::Local"; 678 679 # The remote renderer connects to an XML-RPC PG rendering server. 680 #$pg{renderer} = "WeBWorK::PG::Remote"; 681 682 ##### Renderer-dependent options 683 684 # The remote renderer has one option: 685 $pg{renderers}{"WeBWorK::PG::Remote"} = { 686 # The "proxy" server to connect to for remote rendering. 687 proxy => "http://localhost:21000/RenderD", 688 }; 689 690 ##### Settings for various display modes 691 692 # "images" mode has several settings: 693 $pg{displayModeOptions}{images} = { 694 # Determines the method used to align images in output. Can be 695 # "baseline", "absmiddle", or "mysql". 696 dvipng_align => 'baseline', 697 698 # If we choose mysql, we need information on connecting to the 699 # database. Whatever you use here, you have to create the database 700 # and grant read/write priveleges to the user listed here. To create 701 # the database in mysql, as root use: 702 # 703 # CREATE DATABASE DvipngDepths; 704 # USE DvipngDepths; 705 # CREATE TABLE depths (md5 CHAR(33) NOT NULL, depth SMALLINT, PRIMARY KEY (md5)); 706 # GRANT ALL ON DvipngDepths.* TO webworkWrite; 707 # 708 # In the last statement, "webworkWrite" should match the user below. 709 # FIXME: this database can become a table in the 'webwork' database 710 dvipng_depth_db => { 711 dbsource => 'dbi:mysql:DvipngDepths', 712 user => $dbLayouts{sql_single}->{password}->{params}->{usernameRW}, 713 passwd => $dbLayouts{sql_single}->{password}->{params}->{passwordRW}, 714 }, 715 }; 716 717 $pg{displayModeOptions}{jsMath} = { 718 reportMissingFonts => 0, # set to 1 to allow the missing font message 719 missingFontMessage => undef, # set to an HTML string to replace the missing font message 720 noImageFonts => 0, # set to 1 if you didn't install the jsMath image fonts 721 processDoubleClicks => 1, # set to 0 to disable double-click on math to get TeX source 722 }; 723 724 ##### Directories used by PG 725 726 # The root of the PG directory tree (from pg_root in Apache config). 727 $pg{directories}{root} = "$pg_dir"; 728 $pg{directories}{lib} = "$pg{directories}{root}/lib"; 729 $pg{directories}{macros} = "$pg{directories}{root}/macros"; 730 731 # 732 # The macro file search path. Each directory in this list is seached 733 # (in this order) by loadMacros() when it looks for a .pl file. 734 # 735 $pg{directories}{macrosPath} = [ 736 ".", # search the problem file's directory 737 $courseDirs{macros}, 738 $pg{directories}{macros}, 739 ]; 740 741 ##### "Special" PG environment variables. (Stuff that doesn't fit in anywhere else.) 742 743 # Users for whom to print the file name of the PG file being processed. 744 $pg{specialPGEnvironmentVars}{PRINT_FILE_NAMES_FOR} = [ "professor", ]; 745 746 # Locations of CAPA resources. (Only necessary if you need to use converted CAPA 747 # problems.) 748 $pg{specialPGEnvironmentVars}{CAPA_Tools} = "$courseDirs{macros}/CAPA_Tools/", 749 $pg{specialPGEnvironmentVars}{CAPA_MCTools} = "$courseDirs{macros}/CAPA_MCTools/", 750 $pg{specialPGEnvironmentVars}{CAPA_GraphicsDirectory} = "$courseDirs{html}/CAPA_Graphics/", 751 $pg{specialPGEnvironmentVars}{CAPA_Graphics_URL} = "$courseURLs{html}/CAPA_Graphics/", 752 753 # Size in pixels of dynamically-generated images, i.e. graphs. 754 $pg{specialPGEnvironmentVars}{onTheFlyImageSize} = 400, 755 756 # To disable the Parser-based versions of num_cmp and fun_cmp, and use the 757 # original versions instead, set this value to 1. 758 $pg{specialPGEnvironmentVars}{useOldAnswerMacros} = 0; 759 760 # Strings to insert at the start and end of the body of a problem 761 # (at beginproblem() and ENDDOCUMENT) in various modes. More display modes 762 # can be added if different behaviours are desired (e.g., HTML_dpng, 763 # HTML_asciimath, etc.). These parts are not used in the Library browser. 764 765 $pg{specialPGEnvironmentVars}{problemPreamble} = { TeX => '', HTML=> '' }; 766 $pg{specialPGEnvironmentVars}{problemPostamble} = { TeX => '', HTML=>'' }; 767 768 # To have the problem body indented and boxed, uncomment: 769 770 # $pg{specialPGEnvironmentVars}{problemPreamble}{HTML} = '<BLOCKQUOTE> 771 # <TABLE BORDER=1 CELLSPACING=1 CELLPADDING=15 BGCOLOR=#E8E8E8><TR><TD>'; 772 # $pg{specialPGEnvironmentVars}{problemPostamble}{HTML} = '</TD></TR></TABLE> 773 # </BLOCKQUOTE>'; 774 775 ##### PG modules to load 776 777 # The first item of each list is the module to load. The remaining items are 778 # additional packages to import. 779 780 ${pg}{modules} = [ 781 [qw(DynaLoader)], 782 [qw(Exporter)], 783 [qw(GD)], 784 785 [qw(AlgParser AlgParserWithImplicitExpand Expr ExprWithImplicitExpand utf8)], 786 [qw(AnswerHash AnswerEvaluator)], 787 [qw(WWPlot)], # required by Circle (and others) 788 [qw(Circle)], 789 [qw(Complex)], 790 [qw(Complex1)], 791 [qw(Distributions)], 792 [qw(Fraction)], 793 [qw(Fun)], 794 [qw(Hermite)], 795 [qw(Label)], 796 [qw(List)], 797 [qw(Match)], 798 [qw(MatrixReal1)], # required by Matrix 799 [qw(Matrix)], 800 [qw(Multiple)], 801 [qw(PGrandom)], 802 [qw(Regression)], 803 [qw(Select)], 804 [qw(Units)], 805 [qw(VectorField)], 806 [qw(Parser Value)], 807 [qw(Parser::Legacy)], 808 [qw(Apache::Log)], 809 ]; 810 811 ##### Answer evaluatior defaults 812 813 $pg{ansEvalDefaults} = { 814 functAbsTolDefault => .001, 815 functLLimitDefault => .0000001, 816 functMaxConstantOfIntegration => 1E8, 817 functNumOfPoints => 3, 818 functRelPercentTolDefault => .1, 819 functULimitDefault => .9999999, 820 functVarDefault => "x", 821 functZeroLevelDefault => 1E-14, 822 functZeroLevelTolDefault => 1E-12, 823 numAbsTolDefault => .001, 824 numFormatDefault => "", 825 numRelPercentTolDefault => .1, 826 numZeroLevelDefault => 1E-14, 827 numZeroLevelTolDefault => 1E-12, 828 useBaseTenLog => 0, 829 defaultDisplayMatrixStyle => "[s]", 830 }; 831 832 ################################################################################ 833 # Compatibility 834 ################################################################################ 835 836 # Define the old names for the various "root" variables. 837 $webworkRoot = $webworkDirs{root}; 838 $webworkURLRoot = $webworkURLs{root}; 839 $pgRoot = $pg{directories}{root};
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